Added db sync feature

ConstructionCompany/ConstructionCompany.sln

@@ -3,7 +3,17 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.3.32825.248
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConstructionCompanyView", "ConstructionCompanyView\ConstructionCompanyView.csproj", "{E6C11D11-F20B-4A39-8FDA-82C75463ACBE}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConstructionCompanyView", "ConstructionCompanyView\ConstructionCompanyView.csproj", "{E6C11D11-F20B-4A39-8FDA-82C75463ACBE}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConstructionCompanyDataModels", "ConstructionCompanyDataModels\ConstructionCompanyDataModels.csproj", "{78CB5CC6-B587-41DD-B595-13138E6351C8}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConstructionCompanyContracts", "ConstructionCompanyContracts\ConstructionCompanyContracts.csproj", "{CFB66158-7025-4605-9739-C4A2F07D2EB6}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConstructionCompanyBusinessLogic", "ConstructionCompanyBusiness\ConstructionCompanyBusinessLogic.csproj", "{FB447245-07E1-4E0D-A4FC-701E295B7575}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConstructionCompanyPsqlImplement", "ConstructionCompanyPsqlImplement\ConstructionCompanyPsqlImplement.csproj", "{A92A2186-2021-4B42-B632-447A45EC3A58}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ConstructionCompanyMongoDBImplement", "ConstructionCompanyMongoDBImplement\ConstructionCompanyMongoDBImplement.csproj", "{52991C32-415C-46C5-8995-007D01C70968}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +25,26 @@ Global
 		{E6C11D11-F20B-4A39-8FDA-82C75463ACBE}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{E6C11D11-F20B-4A39-8FDA-82C75463ACBE}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{E6C11D11-F20B-4A39-8FDA-82C75463ACBE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{78CB5CC6-B587-41DD-B595-13138E6351C8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{78CB5CC6-B587-41DD-B595-13138E6351C8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{78CB5CC6-B587-41DD-B595-13138E6351C8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{78CB5CC6-B587-41DD-B595-13138E6351C8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CFB66158-7025-4605-9739-C4A2F07D2EB6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CFB66158-7025-4605-9739-C4A2F07D2EB6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CFB66158-7025-4605-9739-C4A2F07D2EB6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CFB66158-7025-4605-9739-C4A2F07D2EB6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FB447245-07E1-4E0D-A4FC-701E295B7575}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FB447245-07E1-4E0D-A4FC-701E295B7575}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FB447245-07E1-4E0D-A4FC-701E295B7575}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FB447245-07E1-4E0D-A4FC-701E295B7575}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A92A2186-2021-4B42-B632-447A45EC3A58}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A92A2186-2021-4B42-B632-447A45EC3A58}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A92A2186-2021-4B42-B632-447A45EC3A58}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A92A2186-2021-4B42-B632-447A45EC3A58}.Release|Any CPU.Build.0 = Release|Any CPU
+		{52991C32-415C-46C5-8995-007D01C70968}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{52991C32-415C-46C5-8995-007D01C70968}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{52991C32-415C-46C5-8995-007D01C70968}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{52991C32-415C-46C5-8995-007D01C70968}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/EmployeeLogic.cs

@@ -0,0 +1,106 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class EmployeeLogic : IEmployeeLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IEmployeeStorage _employeeStorage;
+
+        public EmployeeLogic(ILogger<EmployeeLogic> logger, IEmployeeStorage employeeStorage)
+        {
+            _logger = logger;
+            _employeeStorage = employeeStorage;
+        }
+
+        public List<EmployeeViewModel>? ReadList(EmployeeSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. EmployeeName:{EmployeeName}. Id:{Id}", model?.EmployeeName, model?.Id);
+            var list = model == null ? _employeeStorage.GetFullList() : _employeeStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public EmployeeViewModel? ReadElement(EmployeeSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. EmployeeName:{EmployeeName}. Id:{Id}", model.EmployeeName, model.Id);
+            var element = _employeeStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(EmployeeBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(EmployeeBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(EmployeeBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_employeeStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(EmployeeBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.EmployeeName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.EmployeeName));
+            }
+            _logger.LogInformation("Employee. EmployeeName:{EmployeeName}. PositionID:{PositionID}. Id:{Id}", model.EmployeeName, model.PositionID, model.Id);
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/EmployeeOrderLogic.cs

@@ -0,0 +1,92 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class EmployeeOrderLogic : IEmployeeOrderLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IEmployeeOrderStorage _employeeOrderStorage;
+
+        public EmployeeOrderLogic(ILogger<EmployeeOrderLogic> logger, IEmployeeOrderStorage employeeOrderStorage)
+        {
+            _logger = logger;
+            _employeeOrderStorage = employeeOrderStorage;
+        }
+
+        public List<EmployeeOrderViewModel>? ReadList(EmployeeOrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. EmployeeId:{EmployeeId}. OrderId:{OrderId}", model?.EmployeeId, model?.OrderId);
+            var list = model == null ? _employeeOrderStorage.GetFullList() : _employeeOrderStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public EmployeeOrderViewModel? ReadElement(EmployeeOrderSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadList. EmployeeId:{EmployeeId}. OrderId:{OrderId}", model?.EmployeeId, model?.OrderId);
+            var element = _employeeOrderStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. EmployeeId:{EmployeeId}. OrderId:{OrderId}", model?.EmployeeId, model?.OrderId);
+            return element;
+        }
+
+        public bool Create(EmployeeOrderBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeOrderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(EmployeeOrderBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. EmployeeId:{EmployeeId}. OrderId:{OrderId}", model?.EmployeeId, model?.OrderId);
+            if (_employeeOrderStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(EmployeeOrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            _logger.LogInformation("EmployeeOrder. EmployeeId:{EmployeeId}. OrderId:{OrderId}", model?.EmployeeId, model?.OrderId);
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/MaterialLogic.cs

@@ -0,0 +1,122 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class MaterialLogic : IMaterialLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMaterialStorage _materialStorage;
+
+        public MaterialLogic(ILogger<MaterialLogic> logger, IMaterialStorage materialStorage)
+        {
+            _logger = logger;
+            _materialStorage = materialStorage;
+        }
+
+        public List<MaterialViewModel>? ReadList(MaterialSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. MaterialName:{MaterialName}. Id:{Id}", model?.MaterialName, model?.Id);
+            var list = model == null ? _materialStorage.GetFullList() : _materialStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public MaterialViewModel? ReadElement(MaterialSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. MaterialName:{MaterialName}. Id:{Id}", model.MaterialName, model.Id);
+            var element = _materialStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(MaterialBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_materialStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(MaterialBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.MaterialName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.MaterialName));
+            }
+            if (model.Quantity < 0)
+            {
+                throw new ArgumentNullException("Количество материалов должна быть не меньше 0!", nameof(model.Quantity));
+            }
+            _logger.LogInformation("Material. IngredietnName:{MaterialName}. Cost:{Quantity}. Id:{Id}", model.MaterialName, model.Quantity, model.Id);
+        }
+
+        public List<EmployeeViewModel>? ReadEmployeesUsingMaterial(MaterialBindingModel model)
+        {
+            CheckModel(model, false);
+            var list = _materialStorage.GetEmployeesUsingMaterial(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            return list;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/MaterialOrderLogic.cs

@@ -0,0 +1,96 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class MaterialOrderLogic : IMaterialOrderLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMaterialOrderStorage _employeeOrderStorage;
+
+        public MaterialOrderLogic(ILogger<MaterialOrderLogic> logger, IMaterialOrderStorage employeeOrderStorage)
+        {
+            _logger = logger;
+            _employeeOrderStorage = employeeOrderStorage;
+        }
+
+        public List<MaterialOrderViewModel>? ReadList(MaterialOrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. MaterialId:{MaterialId}. OrderId:{OrderId}", model?.MaterialId, model?.OrderId);
+            var list = model == null ? _employeeOrderStorage.GetFullList() : _employeeOrderStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public MaterialOrderViewModel? ReadElement(MaterialOrderSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadList. MaterialId:{MaterialId}. OrderId:{OrderId}", model?.MaterialId, model?.OrderId);
+            var element = _employeeOrderStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. MaterialId:{MaterialId}. OrderId:{OrderId}", model?.MaterialId, model?.OrderId);
+            return element;
+        }
+
+        public bool Create(MaterialOrderBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeOrderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(MaterialOrderBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. MaterialId:{MaterialId}. OrderId:{OrderId}", model?.MaterialId, model?.OrderId);
+            if (_employeeOrderStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(MaterialOrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (model.Quantity <= 0)
+            {
+                throw new InvalidOperationException("Количество должна быть больше 0!");
+            }
+            _logger.LogInformation("MaterialOrder. MaterialId:{MaterialId}. OrderId:{OrderId}", model?.MaterialId, model?.OrderId);
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/OrderLogic.cs

@@ -0,0 +1,145 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class OrderLogic : IOrderLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IOrderStorage _orderStorage;
+
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        {
+            _logger = logger;
+            _orderStorage = orderStorage;
+        }
+
+        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Id:{Id}", model?.Id);
+            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list.OrderBy(x => x.Id).ToList();
+        }
+
+        public OrderViewModel? ReadElement(OrderSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Id:{Id}", model.Id);
+            var element = _orderStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool CreateOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+            if (model.Status != OrderStatus.Неизвестен) return false;
+            model.Status = OrderStatus.Принят;
+            if (_orderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != OrderStatus.Выполняется)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус выполнения перед готовностью!");
+            }
+            model.Status = OrderStatus.Завершён;
+            model.DateEnd = DateTime.Today;
+            _orderStorage.Update(model);
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != OrderStatus.Принят)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус принятого перед его выполнением!");
+            }
+            model.Status = OrderStatus.Выполняется;
+            _orderStorage.Update(model);
+            return true;
+        }
+
+        private void CheckModel(OrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Description))
+            {
+                throw new ArgumentNullException("Нет описания заказа", nameof(model.Description));
+            }
+            if (string.IsNullOrEmpty(model.Adress))
+            {
+                throw new ArgumentNullException("Нет адреса заказа", nameof(model.Adress));
+            }
+            if (model.Price <= 0)
+            {
+                throw new InvalidOperationException("Цена должна быть больше 0!");
+            }
+            if (string.IsNullOrEmpty(model.CustomerNumber))
+            {
+                throw new ArgumentNullException("Нет телефона", nameof(model.CustomerNumber));
+            }
+            
+            _logger.LogInformation("Order. Description:{Description}. Adress:{Adress}. Price:{Price} Id:{Id}", model.Description, model.Adress, model.Price, model.Id);
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/PositionLogic.cs

@@ -0,0 +1,116 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class PositionLogic : IPositionLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IPositionStorage _positionStorage;
+
+        public PositionLogic(ILogger<PositionLogic> logger, IPositionStorage positionStorage)
+        {
+            _logger = logger;
+            _positionStorage = positionStorage;
+        }
+
+        public List<PositionViewModel>? ReadList(PositionSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. PositionName:{PositionName}. Id:{Id}", model?.PositionName, model?.Id);
+            var list = model == null ? _positionStorage.GetFullList() : _positionStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public PositionViewModel? ReadElement(PositionSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. PositionName:{PositionName}. Id:{Id}", model.PositionName, model.Id);
+            var element = _positionStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(PositionBindingModel model)
+        {
+            CheckModel(model);
+            if (_positionStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(PositionBindingModel model)
+        {
+            CheckModel(model);
+            if (_positionStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(PositionBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_positionStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(PositionBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.PositionName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.PositionName));
+            }
+            if (model.Salary < 0)
+            {
+                throw new ArgumentNullException("Зарплата должна быть не меньше 0!", nameof(model.Salary));
+            }
+            _logger.LogInformation("Position. IngredietnName:{PositionName}. Salary:{Salary}. Id:{Id}", model.PositionName, model.Salary, model.Id);
+        }
+
+        public List<BrigadeReportViewModel> ReadPositionsAverage(DateTime dateFrom, DateTime dateTo)
+        {
+            var list = _positionStorage.GetPositionsAverage(dateFrom, dateTo);
+            return list;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/BusinessLogics/RandomGeneratorLogic.cs

@@ -0,0 +1,105 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class RandomGeneratorLogic : IRandomGeneratorLogic
+    {
+        private readonly IMaterialLogic _material;
+        private readonly IEmployeeLogic _employee;
+        private readonly IPositionLogic _position;
+        private readonly IOrderLogic _order;
+        private readonly IMaterialOrderLogic _materialOrder;
+        private readonly IEmployeeOrderLogic _employeeOrder;
+
+        public RandomGeneratorLogic(IMaterialLogic material, IEmployeeLogic employee, IPositionLogic position, IOrderLogic order, IMaterialOrderLogic materialOrder, IEmployeeOrderLogic employeeOrder)
+        {
+            _material = material;
+            _employee = employee;
+            _position = position;
+            _order = order;
+            _materialOrder = materialOrder;
+            _employeeOrder = employeeOrder;
+        }
+
+        public void GenerateEmployees()
+        {
+            int posInd = 0;
+            for (int i = 0; i < 200; i++)
+            {
+                _employee.Create(new EmployeeBindingModel { EmployeeName = "testEmp" + (i + 1), PositionID = posInd });
+                posInd++;
+                if (posInd == 20) posInd = 0;
+            }
+        }
+
+        public void GenerateEmployeesOrders()
+        {
+            for (int i = 0; i < 200; i++)
+            {
+                _employeeOrder.Create(new EmployeeOrderBindingModel { EmployeeId = i, OrderId = i});
+            }
+        }
+
+        public void GenerateMaterialOrders()
+        {
+            int quantity = 1;
+            for (int i = 0; i < 200; i++)
+            {
+                _materialOrder.Create(new MaterialOrderBindingModel { MaterialId = i, OrderId = i, Quantity = quantity});
+                quantity++;
+                if (quantity == 7) quantity = 1;
+            }
+        }
+
+        public void GenerateAdditionalMaterialOrders()
+        {
+            Random rand = new Random();
+            int quantity = 1;
+            for (int i = 1; i <= 100; i++)
+            {
+                int mat = rand.Next(0, 10);
+                int ord = rand.Next(0, 100);
+                if (_materialOrder.ReadElement(new MaterialOrderSearchModel { MaterialId = mat, OrderId = ord}) != null)
+                {
+                    i--;
+                    continue;
+                }
+                _materialOrder.Create(new MaterialOrderBindingModel { MaterialId = mat, OrderId = ord, Quantity = quantity });
+                quantity++;
+                if (quantity == 7) quantity = 1;
+            }
+        }
+
+        public void GenerateMaterials()
+        {
+            for (int i = 0; i < 200; i++)
+            {
+                _material.Create(new MaterialBindingModel { MaterialName = "testMat" + (i + 1), Quantity = 2000 });
+            }
+        }
+
+        public void GenerateOrders()
+        {
+            for (int i = 0; i < 1000; i++)
+            {
+                _order.CreateOrder(new OrderBindingModel { Description = "order" + (i + 1), Adress = "dsdsdssd", Price=20000, Status=OrderStatus.Неизвестен, CustomerNumber="+7838347475"});
+            }
+        }
+
+        public void GeneratePositions()
+        {
+            for (int i = 0; i < 20; i++)
+            {
+                _position.Create(new PositionBindingModel { PositionName = "testPos" + (i + 1), Salary = 20000 });
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusiness/ConstructionCompanyBusinessLogic.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyContracts\ConstructionCompanyContracts.csproj" />
+    <ProjectReference Include="..\ConstructionCompanyPsqlImplement\ConstructionCompanyPsqlImplement.csproj" />
+  </ItemGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyBusinessLogic/BusinessLogics/EmployeeLogic.cs

@@ -0,0 +1,114 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class EmployeeLogic :IEmployeeLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IEmployeeStorage _employeeStorage;
+
+        public EmployeeLogic(ILogger<EmployeeLogic> logger, IEmployeeStorage employeeStorage)
+        {
+            _logger = logger;
+            _employeeStorage = employeeStorage;
+        }
+
+        public List<EmployeeViewModel>? ReadList(EmployeeSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. EmployeeName:{EmployeeName}. Id:{Id}", model?.EmployeeName, model?.Id);
+            var list = model == null ? _employeeStorage.GetFullList() : _employeeStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public EmployeeViewModel? ReadElement(EmployeeSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. EmployeeName:{EmployeeName}. Id:{Id}", model.EmployeeName, model.Id);
+            var element = _employeeStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(EmployeeBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(EmployeeBindingModel model)
+        {
+            CheckModel(model);
+            if (_employeeStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(EmployeeBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_employeeStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(EmployeeBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.EmployeeName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.EmployeeName));
+            }
+            _logger.LogInformation("Employee. EmployeeName:{EmployeeName}. Id:{Id}", model.EmployeeName, model.Id);
+            var element = _employeeStorage.GetElement(new EmployeeSearchModel
+            {
+                EmployeeName = model.EmployeeName
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Сотрудник с таким названием уже есть");
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusinessLogic/BusinessLogics/MaterialLogic.cs

@@ -0,0 +1,118 @@
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Logging;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.BindingModels;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class MaterialLogic : IMaterialLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IMaterialStorage _materialStorage;
+
+        public MaterialLogic(ILogger<MaterialLogic> logger, IMaterialStorage materialStorage)
+        {
+            _logger = logger;
+            _materialStorage = materialStorage;
+        }
+
+        public List<MaterialViewModel>? ReadList(MaterialSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. MaterialName:{MaterialName}. Id:{Id}", model?.MaterialName, model?.Id);
+            var list = model == null ? _materialStorage.GetFullList() : _materialStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public MaterialViewModel? ReadElement(MaterialSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. MaterialName:{MaterialName}. Id:{Id}", model.MaterialName, model.Id);
+            var element = _materialStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(MaterialBindingModel model)
+        {
+            CheckModel(model);
+            if (_materialStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(MaterialBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_materialStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(MaterialBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.MaterialName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.MaterialName));
+            }
+            if (model.Quantity < 0)
+            {
+                throw new ArgumentNullException("Колчество материалов должна быть не меньше 0", nameof(model.Quantity));
+            }
+            _logger.LogInformation("Material. IngredietnName:{MaterialName}. Quantity:{Quantity}. Id:{Id}", model.MaterialName, model.Quantity, model.Id);
+            var element = _materialStorage.GetElement(new MaterialSearchModel
+            {
+                MaterialName = model.MaterialName
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Материал с таким названием уже есть");
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -0,0 +1,135 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class OrderLogic : IOrderLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IOrderStorage _orderStorage;
+
+        public OrderLogic(ILogger<OrderLogic> logger, IOrderStorage orderStorage)
+        {
+            _logger = logger;
+            _orderStorage = orderStorage;
+        }
+
+        public List<OrderViewModel>? ReadList(OrderSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Id:{Id}", model?.Id);
+            var list = model == null ? _orderStorage.GetFullList() : _orderStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public OrderViewModel? ReadElement(OrderSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. Id:{Id}", model.Id);
+            var element = _orderStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool CreateOrder(OrderBindingModel model)
+        {
+            CheckModel(model);
+            if (model.Status != OrderStatus.Неизвестен) return false;
+            model.Status = OrderStatus.Принят;
+            if (_orderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool FinishOrder(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != OrderStatus.Выполняется)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус выполнения перед готовностью!");
+            }
+            model.Status = OrderStatus.Завершён;
+            _orderStorage.Update(model);
+            return true;
+        }
+
+        public bool TakeOrderInWork(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element == null)
+            {
+                _logger.LogWarning("Read operation failed");
+                return false;
+            }
+            if (element.Status != OrderStatus.Принят)
+            {
+                _logger.LogWarning("Status change operation failed");
+                throw new InvalidOperationException("Заказ должен быть переведен в статус принятого перед его выполнением!");
+            }
+            model.Status = OrderStatus.Выполняется;
+            _orderStorage.Update(model);
+            return true;
+        }
+
+        private void CheckModel(OrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            _logger.LogInformation("Order. Id:{Id}", model.Id);
+            var element = _orderStorage.GetElement(new OrderSearchModel
+            {
+                Id = model.Id
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Заказ с таким названием уже есть");
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusinessLogic/BusinessLogics/PositionLogic.cs

@@ -0,0 +1,117 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyBusinessLogic.BusinessLogics
+{
+    public class PositionLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IPositionStorage _positionStorage;
+
+        public PositionLogic(ILogger<PositionLogic> logger, IPositionStorage positionStorage)
+        {
+            _logger = logger;
+            _positionStorage = positionStorage;
+        }
+
+        public List<PositionViewModel>? ReadList(PositionSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. PositionName:{PositionName}. Id:{Id}", model?.PositionName, model?.Id);
+            var list = model == null ? _positionStorage.GetFullList() : _positionStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public PositionViewModel? ReadElement(PositionSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. PositionName:{PositionName}. Id:{Id}", model.PositionName, model.Id);
+            var element = _positionStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        public bool Create(PositionBindingModel model)
+        {
+            CheckModel(model);
+            if (_positionStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(PositionBindingModel model)
+        {
+            CheckModel(model);
+            if (_positionStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool Delete(PositionBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_positionStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(PositionBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.PositionName))
+            {
+                throw new ArgumentNullException("Нет названия материала", nameof(model.PositionName));
+            }
+            if (model.Salary < 0)
+            {
+                throw new ArgumentNullException("Зарплата должна быть не меньше 0", nameof(model.Salary));
+            }
+            _logger.LogInformation("Position. PositionName:{PositionName}. Salary:{Salary}. Id:{Id}", model.PositionName, model.Salary, model.Id);
+            var element = _positionStorage.GetElement(new PositionSearchModel
+            {
+                PositionName = model.PositionName
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Должность с таким названием уже есть");
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyBusinessLogic/Class1.cs

@@ -0,0 +1,7 @@
+namespace ConstructionCompanyBusiness
+{
+    public class Class1
+    {
+
+    }
+}

ConstructionCompany/ConstructionCompanyBusinessLogic/ConstructionCompanyBusinessLogic.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyContracts\ConstructionCompanyContracts.csproj" />
+  </ItemGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyContracts/BindingModels/EmployeeBindingModel.cs

@@ -0,0 +1,18 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class EmployeeBindingModel : IEmployeeModel
+    {
+        public string EmployeeName { get; set; } = string.Empty;
+
+        public int PositionID { get; set; }
+
+        public int Id {get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BindingModels/EmployeeOrderBindingModel.cs

@@ -0,0 +1,15 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class EmployeeOrderBindingModel : IEmployeeOrderModel
+    {
+        public int EmployeeId { get; set; }
+        public int OrderId { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BindingModels/MaterialBindingModel.cs

@@ -0,0 +1,18 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class MaterialBindingModel : IMaterialModel
+    {
+        public string MaterialName { get; set; } =  string.Empty;
+
+        public int Quantity { get; set; }
+
+        public int Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BindingModels/MaterialOrderBindingModel.cs

@@ -0,0 +1,16 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class MaterialOrderBindingModel : IMaterialOrderModel
+    {
+        public int MaterialId { get; set; }
+        public int OrderId { get; set; }
+        public int Quantity { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BindingModels/OrderBindingModel.cs

@@ -0,0 +1,29 @@
+using ConstructionCompanyDataModels.Enums;
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class OrderBindingModel : IOrderModel
+    {
+        public string Description { get; set; } = string.Empty;
+
+        public string Adress { get; set; } = string.Empty;
+
+        public double Price { get; set; }
+
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+
+        public string CustomerNumber { get; set; } = string.Empty;
+
+        public DateTime DateBegin { get; set; } = DateTime.Now.Date;
+
+        public DateTime? DateEnd { get; set; }
+
+        public int Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BindingModels/PositionBindingModel.cs

@@ -0,0 +1,18 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BindingModels
+{
+    public class PositionBindingModel : IPositionModel
+    {
+        public string PositionName { get; set; } = string.Empty;
+
+        public double Salary { get; set; }
+
+        public int Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IEmployeeLogic.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IEmployeeLogic
+    {
+        List<EmployeeViewModel>? ReadList(EmployeeSearchModel? model);
+        EmployeeViewModel? ReadElement(EmployeeSearchModel model);
+        bool Create(EmployeeBindingModel model);
+        bool Update(EmployeeBindingModel model);
+        bool Delete(EmployeeBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IEmployeeOrderLogic.cs

@@ -0,0 +1,19 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IEmployeeOrderLogic
+    {
+        List<EmployeeOrderViewModel>? ReadList(EmployeeOrderSearchModel? model);
+        EmployeeOrderViewModel? ReadElement(EmployeeOrderSearchModel model);
+        bool Create(EmployeeOrderBindingModel model);
+        bool Delete(EmployeeOrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IMaterialLogic.cs

@@ -0,0 +1,21 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IMaterialLogic
+    {
+        List<MaterialViewModel>? ReadList(MaterialSearchModel? model);
+        MaterialViewModel? ReadElement(MaterialSearchModel model);
+        List<EmployeeViewModel>? ReadEmployeesUsingMaterial(MaterialBindingModel model);
+        bool Create(MaterialBindingModel model);
+        bool Update(MaterialBindingModel model);
+        bool Delete(MaterialBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IMaterialOrderLogic.cs

@@ -0,0 +1,19 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IMaterialOrderLogic
+    {
+        List<MaterialOrderViewModel>? ReadList(MaterialOrderSearchModel? model);
+        MaterialOrderViewModel? ReadElement(MaterialOrderSearchModel model);
+        bool Create(MaterialOrderBindingModel model);
+        bool Delete(MaterialOrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IOrderLogic.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IOrderLogic
+    {
+        List<OrderViewModel>? ReadList(OrderSearchModel? model);
+        OrderViewModel? ReadElement(OrderSearchModel model);
+        bool CreateOrder(OrderBindingModel model);
+        bool TakeOrderInWork(OrderBindingModel model);
+        bool FinishOrder(OrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IPositionLogic.cs

@@ -0,0 +1,21 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IPositionLogic
+    {
+        List<PositionViewModel>? ReadList(PositionSearchModel? model);
+        PositionViewModel? ReadElement(PositionSearchModel model);
+        List<BrigadeReportViewModel>? ReadPositionsAverage(DateTime dateFrom, DateTime dateTo);
+        bool Create(PositionBindingModel model);
+        bool Update(PositionBindingModel model);
+        bool Delete(PositionBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/BusinessLogicContracts/IRandomGeneratorLogic.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.BusinessLogicContracts
+{
+    public interface IRandomGeneratorLogic
+    {
+        public void GenerateMaterials();
+        public void GenerateOrders();
+        public void GeneratePositions();
+        public void GenerateEmployees();
+        public void GenerateEmployeesOrders();
+        public void GenerateMaterialOrders();
+
+        public void GenerateAdditionalMaterialOrders();
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ConstructionCompanyContracts.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyDataModels\ConstructionCompanyDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyContracts/SearchModels/EmployeeOrderSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class EmployeeOrderSearchModel
+    {
+        public int? EmployeeId { get; set; }
+        public int? OrderId { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/SearchModels/EmployeeSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class EmployeeSearchModel
+    {
+        public int? Id { get; set; }
+        public string? EmployeeName { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/SearchModels/MaterialOrderSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class MaterialOrderSearchModel
+    {
+        public int? MaterialId { get; set; }
+        public int? OrderId { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/SearchModels/MaterialSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class MaterialSearchModel
+    {
+        public int? Id { get; set; }
+        public string? MaterialName { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/SearchModels/OrderSearchModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class OrderSearchModel
+    {
+        public int? Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/SearchModels/PositionSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.SearchModels
+{
+    public class PositionSearchModel
+    {
+        public int? Id { get; set; }
+        public string? PositionName { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IEmployeeOrderStorage.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IEmployeeOrderStorage
+    {
+        List<EmployeeOrderViewModel> GetFullList();
+        List<EmployeeOrderViewModel> GetFilteredList(EmployeeOrderSearchModel model);
+        EmployeeOrderViewModel? GetElement(EmployeeOrderSearchModel model);
+        EmployeeOrderViewModel? Insert(EmployeeOrderBindingModel model);
+        EmployeeOrderViewModel? Delete(EmployeeOrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IEmployeeStorage.cs

@@ -0,0 +1,21 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IEmployeeStorage
+    {
+        List<EmployeeViewModel> GetFullList();
+        List<EmployeeViewModel> GetFilteredList(EmployeeSearchModel model);
+        EmployeeViewModel? GetElement(EmployeeSearchModel model);
+        EmployeeViewModel? Insert(EmployeeBindingModel model);
+        EmployeeViewModel? Update(EmployeeBindingModel model);
+        EmployeeViewModel? Delete(EmployeeBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IMaterialOrderStorage.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IMaterialOrderStorage
+    {
+        List<MaterialOrderViewModel> GetFullList();
+        List<MaterialOrderViewModel> GetFilteredList(MaterialOrderSearchModel model);
+        MaterialOrderViewModel? GetElement(MaterialOrderSearchModel model);
+        MaterialOrderViewModel? Insert(MaterialOrderBindingModel model);
+        MaterialOrderViewModel? Delete(MaterialOrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IMaterialStorage.cs

@@ -0,0 +1,22 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IMaterialStorage
+    {
+        List<MaterialViewModel> GetFullList();
+        List<MaterialViewModel> GetFilteredList(MaterialSearchModel model);
+        List<EmployeeViewModel>? GetEmployeesUsingMaterial(MaterialBindingModel model);
+        MaterialViewModel? GetElement(MaterialSearchModel model);
+        MaterialViewModel? Insert(MaterialBindingModel model);
+        MaterialViewModel? Update(MaterialBindingModel model);
+        MaterialViewModel? Delete(MaterialBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IOrderStorage.cs

@@ -0,0 +1,21 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IOrderStorage
+    {
+        List<OrderViewModel> GetFullList();
+        List<OrderViewModel> GetFilteredList(OrderSearchModel model);
+        OrderViewModel? GetElement(OrderSearchModel model);
+        OrderViewModel? Insert(OrderBindingModel model);
+        OrderViewModel? Update(OrderBindingModel model);
+        OrderViewModel? Delete(OrderBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/StorageContracts/IPositionStorage.cs

@@ -0,0 +1,22 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.StorageContracts
+{
+    public interface IPositionStorage
+    {
+        List<PositionViewModel> GetFullList();
+        List<PositionViewModel> GetFilteredList(PositionSearchModel model);
+        List<BrigadeReportViewModel> GetPositionsAverage(DateTime dateFrom, DateTime dateTo);
+        PositionViewModel? GetElement(PositionSearchModel model);
+        PositionViewModel? Insert(PositionBindingModel model);
+        PositionViewModel? Update(PositionBindingModel model);
+        PositionViewModel? Delete(PositionBindingModel model);
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/BrigadeReportViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class BrigadeReportViewModel
+    {
+        public int PositionId { get; set; }
+        [DisplayName("Название должности")]
+        public string PositionName { get; set; } = string.Empty;
+        [DisplayName("Среденее потребление материалров")]
+        public double materialAvg { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/EmployeeOrderViewModel.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class EmployeeOrderViewModel : IEmployeeOrderModel
+    {
+        public int EmployeeId { get; set; }
+        [DisplayName("ФИО сотрудника")]
+        public string EmployeeName { get; set; } = string.Empty;
+        public int OrderId { get; set; }
+        [DisplayName("Адресс заказа")]
+        public string OrderAdress { get; set; } = string.Empty;
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/EmployeeViewModel.cs

@@ -0,0 +1,22 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class EmployeeViewModel : IEmployeeModel
+    {
+        [DisplayName("ФИО")]
+        public string EmployeeName {get; set;} = string.Empty;
+
+        public int PositionID {get; set;}
+        [DisplayName("Должность")]
+        public string PositionName { get; set;} = string.Empty;
+
+        public int Id { get; set;}
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/MaterialOrderViewModel.cs

@@ -0,0 +1,22 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class MaterialOrderViewModel : IMaterialOrderModel
+    {
+        public int MaterialId { get; set; }
+        [DisplayName("Адресс заказа")]
+        public string OrderAdress { get; set; } = string.Empty;
+        [DisplayName("Название материала")]
+        public string MaterialName { get; set; } = string.Empty;
+        public int OrderId { get; set; }
+        [DisplayName("Количество")]
+        public int Quantity { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/MaterialViewModel.cs

@@ -0,0 +1,19 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class MaterialViewModel : IMaterialModel
+    {
+        [DisplayName("Название материала")]
+        public string MaterialName { get; set; } = string.Empty;
+        [DisplayName("Количество")]
+        public int Quantity {get; set; }
+        public int Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/OrderViewModel.cs

@@ -0,0 +1,31 @@
+using ConstructionCompanyDataModels.Enums;
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class OrderViewModel : IOrderModel
+    {
+        [DisplayName("Номер")]
+        public int Id { get; set; }
+        [DisplayName("Описание")]
+        public string Description {get;set;} = string.Empty;
+        [DisplayName("Адрес")]
+        public string Adress {get;set;} = string.Empty;
+        [DisplayName("Стоимость")]
+        public double Price { get; set; }
+        [DisplayName("Статус")]
+        public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
+        [DisplayName("Телефон заказчика")]
+        public string CustomerNumber { get; set; } = string.Empty;
+        [DisplayName("Дата создания")]
+        public DateTime DateBegin { get; set; } = DateTime.Now.Date;
+        [DisplayName("Дата выполнения")]
+        public DateTime? DateEnd { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyContracts/ViewModels/PositionViewModel.cs

@@ -0,0 +1,19 @@
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyContracts.ViewModels
+{
+    public class PositionViewModel : IPositionModel
+    {
+        [DisplayName("Название должности")]
+        public string PositionName { get; set; } = string.Empty;
+        [DisplayName("Зарплата")]
+        public double Salary { get; set; }
+        public int Id { get; set; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/ConstructionCompanyDataModels.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyDataModels/Enums/OrderStatus.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Завершён = 2
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/IId.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IEmployeeModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IEmployeeModel : IId
+    {
+        string EmployeeName { get; }
+        int PositionID { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IEmployeeOrderModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IEmployeeOrderModel
+    {
+        int EmployeeId { get; }
+        int OrderId { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IMaterialModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IMaterialModel : IId
+    {
+        string MaterialName { get; }
+        int Quantity { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IMaterialOrderModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IMaterialOrderModel
+    {
+        int MaterialId { get; }
+        int OrderId { get; }
+        int Quantity { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IOrderModel.cs

@@ -0,0 +1,20 @@
+using ConstructionCompanyDataModels.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+        string Description { get; }
+        string Adress { get; }
+        double Price { get; }
+        OrderStatus Status { get; }
+        string CustomerNumber { get; }
+        DateTime DateBegin { get; }
+        DateTime? DateEnd { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyDataModels/Models/IPositionModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyDataModels.Models
+{
+    public interface IPositionModel : IId
+    {
+        string PositionName { get; }
+        double Salary { get; }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyDatabase.cs

@@ -0,0 +1,288 @@
+using ConstructionCompanyMongoDBImplement.Models;
+using ConstructionCompanyContracts.BindingModels;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ConstructionCompanyDataModels.Enums;
+using ConstructionCompanyContracts.ViewModels;
+
+namespace ConstructionCompanyMongoDBImplement
+{
+    public class ConstructionCompanyDatabase
+    {
+        static string connectionString = "mongodb://localhost:27017/";
+        static string databaseName = "ConstructionCompany";
+
+        private static ConstructionCompanyDatabase? _instance;
+        private MongoClient client = new MongoClient(connectionString);
+        private List<Material> _materials = new List<Material>();
+        private List<Employee> _employees = new List<Employee>();
+        private List<Position> _positions = new List<Position>();
+        private List<Order> _orders = new List<Order>();
+        private List<EmployeeOrder> _employeeOrders = new List<EmployeeOrder>();
+        private List<MaterialOrder> _materialOrders = new List<MaterialOrder>();
+        public List<Material> Materials
+        {
+            get
+            {
+                refreshDb();
+                return _materials;
+            }
+        }
+        public List<Employee> Employees
+        {
+            get
+            {
+                refreshDb();
+                return _employees;
+            }
+        }
+        public List<Position> Positions
+        {
+            get
+            {
+                refreshDb();
+                return _positions;
+            }
+        }
+        public List<Order> Orders
+        {
+            get
+            {
+                refreshDb();
+                return _orders;
+            }
+        }
+
+        public List<EmployeeOrder> EmployeeOrders
+        {
+            get
+            {
+                refreshDb();
+                return _employeeOrders;
+            }
+        }
+
+        public List<MaterialOrder> MaterialOrders
+        {
+            get
+            {
+                refreshDb();
+                return _materialOrders;
+            }
+        }
+
+        public ConstructionCompanyDatabase()
+        {
+            refreshDb();
+        }
+
+
+        public static ConstructionCompanyDatabase GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new ConstructionCompanyDatabase();
+            }
+            return _instance;
+        }
+        public BsonDocument ReadDocument(BsonDocument filter, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            BsonDocument result = collection.Find(filter).First();
+            return result;
+        }
+        public void flushDb()
+        {
+            var db = client.GetDatabase(databaseName);
+            db.GetCollection<BsonDocument>("Employees").DeleteMany(new BsonDocument());
+            db.GetCollection<BsonDocument>("Orders").DeleteMany(new BsonDocument());
+            db.GetCollection<BsonDocument>("Materials").DeleteMany(new BsonDocument());
+            db.GetCollection<BsonDocument>("Positions").DeleteMany(new BsonDocument());
+        }
+
+        public List<EmployeeViewModel> reportMaterials(int materialId)
+        {
+            var materials = client.GetDatabase(databaseName).GetCollection<BsonDocument>("Materials");
+
+            var res = materials.Aggregate()
+                .Lookup(
+                "Orders",
+                "_id",
+                "materials.materialId",
+                "order"
+                )
+                .Lookup(
+                "Employees",
+                "order.employeesId",
+                "_id",
+                "employee"
+                )
+                .Match(new BsonDocument { { "_id", materialId} })
+                .ToList();
+            BsonArray resEmployees = res[0][4].AsBsonArray;
+            List<EmployeeViewModel> result = new List<EmployeeViewModel>();
+            foreach (var employee in resEmployees)
+            {
+                result.Add(_employees.First(x => x.Id == employee[0].ToInt32()).GetViewModel);
+            }
+            return result;
+        }
+
+        public List<BrigadeReportViewModel> reportPositionsAverage(DateTime from, DateTime to)
+        {
+            var positions = client.GetDatabase(databaseName).GetCollection<BsonDocument>("Positions");
+            var res = positions.Aggregate()
+                .Lookup(
+                "Employees",
+                "_id",
+                "positionId",
+                "employee"
+                )
+                .Lookup(
+                "Orders",
+                "employee._id",
+                "employeesId",
+                "order"
+                )
+                .Unwind("order")
+                .Match(new BsonDocument { { "order.dateBegin", new BsonDocument("$gte", new BsonDateTime(from)) } })
+                .Match(new BsonDocument { { "order.dateBegin", new BsonDocument("$lte", new BsonDateTime(to)) } })
+                .Unwind("order.materials")
+                .Group(new BsonDocument
+                {
+                    {"_id", "$_id"},
+                    {"average", new BsonDocument("$avg", "$order.materials.quantity")}
+                })
+                .ToList();
+            var result = new List<BrigadeReportViewModel>();
+            foreach (var report in res)
+            {
+                int posId = report[0].ToInt32();
+                string posName = _positions.First(x => x.Id == posId).PositionName;
+                int avg = report[1].ToInt32();
+                result.Add(new BrigadeReportViewModel { PositionId = posId, PositionName = posName, materialAvg = avg });
+            }
+            return result;
+        }
+
+        public List<BsonDocument> FilterDocuments(BsonDocument filter, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            List<BsonDocument> result = collection.Find(filter).ToList();
+            return result;
+        }
+
+        public void InsertDocument(BsonDocument bson, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            collection.InsertOne(bson);
+            refreshDb();
+        }
+
+        public void ReplaceDocument(BsonDocument bson, BsonDocument filter, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            collection.ReplaceOne(filter, bson);
+            refreshDb();
+        }
+
+        public void DeleteDocument(BsonDocument filter, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            collection.DeleteOne(filter);
+            refreshDb();
+        }
+
+        private void refreshDb()
+        {
+            _materials.Clear();
+            _positions.Clear();
+            _employees.Clear();
+            _orders.Clear();
+            _employeeOrders.Clear();
+            _materialOrders.Clear();
+            IMongoDatabase database = client.GetDatabase(databaseName);
+
+            List<BsonDocument> positions = database.GetCollection<BsonDocument>("Positions").Find(new BsonDocument()).ToList();
+            foreach (var position in positions)
+            {
+                int id = position[0].ToInt32();
+                string? name = position[1].ToString();
+                double salary = position[2].ToDouble();
+                Position? newPosition = Position.Create(new PositionBindingModel { Id = id, PositionName = name, Salary = salary });
+                if (newPosition != null) _positions.Add(newPosition);
+            }
+
+            List<BsonDocument> materials = database.GetCollection<BsonDocument>("Materials").Find(new BsonDocument()).ToList();
+            foreach (var material in materials)
+            {
+                int id = material[0].ToInt32();
+                string? name = material[1].ToString();
+                int quantity = material[2].ToInt32();
+                Material? newMaterial = Material.Create(new MaterialBindingModel { Id = id, MaterialName = name, Quantity = quantity });
+                if (newMaterial != null) _materials.Add(newMaterial);
+            }
+
+            List<BsonDocument> employees = database.GetCollection<BsonDocument>("Employees").Find(new BsonDocument()).ToList();
+            foreach (var employee in employees)
+            {
+                int id = employee[0].ToInt32();
+                string? name = employee[1].ToString();
+                int positionId = employee[2].ToInt32();
+                Employee? newEmployee = Employee.Create(new EmployeeBindingModel { Id = id, EmployeeName = name, PositionID = positionId }, _positions);
+                if (newEmployee != null) _employees.Add(newEmployee);
+            }
+
+            List<BsonDocument> orders = database.GetCollection<BsonDocument>("Orders").Find(new BsonDocument()).ToList();
+            foreach (var order in orders)
+            {
+                int id = order[0].ToInt32();
+                string? description = order[1].ToString();
+                string? adress = order[2].ToString();
+                double price = order[3].ToDouble();
+                string? status = order[4].ToString();
+                OrderStatus orderStatus = OrderStatus.Неизвестен;
+                switch (status)
+                {
+                    case "Принят":
+                        orderStatus = OrderStatus.Принят;
+                        break;
+                    case "Выполняется":
+                        orderStatus = OrderStatus.Выполняется;
+                        break;
+                    case "Завершён":
+                        orderStatus = OrderStatus.Завершён;
+                        break;
+                }
+                string? customerNumber = order[5].ToString();
+                DateTime dateBegin = order[6].ToUniversalTime();
+                DateTime? dateEnd = null;
+                if (order[7].ToString().Length > 5) dateEnd = order[7].ToUniversalTime();
+                Order? newOrder = Order.Create(new OrderBindingModel { Id = id, Description = description, Adress = adress, Price = price, 
+                    Status = orderStatus, CustomerNumber = customerNumber, DateBegin = dateBegin, DateEnd = dateEnd });
+                if (newOrder != null) _orders.Add(newOrder);
+
+                BsonArray employeesId = order[8].AsBsonArray;
+                foreach (var employee in employeesId)
+                {
+                    EmployeeOrder? employeeOrder = EmployeeOrder.Create(new EmployeeOrderBindingModel { EmployeeId = employee.ToInt32(), OrderId = id }, _employees, _orders);
+                    if (employeeOrder != null) _employeeOrders.Add(employeeOrder);
+                }
+
+                BsonArray orderMaterials = order[9].AsBsonArray;
+                foreach (var material in orderMaterials)
+                {
+                    int materialId = material[0].ToInt32();
+                    int quantity = material[1].ToInt32();
+                    MaterialOrder? materialOrder = MaterialOrder.Create(new MaterialOrderBindingModel { MaterialId = materialId, OrderId = id, Quantity = quantity }, _materials, _orders);
+                    if (materialOrder != null) _materialOrders.Add(materialOrder);
+                }
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyMongoDBImplement.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MongoDB.Bson" Version="2.19.1" />
+    <PackageReference Include="MongoDB.Driver" Version="2.19.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyBusiness\ConstructionCompanyBusinessLogic.csproj" />
+    <ProjectReference Include="..\ConstructionCompanyDataModels\ConstructionCompanyDataModels.csproj" />
+  </ItemGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeOrderStorage.cs

@@ -0,0 +1,111 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class EmployeeOrderStorage : IEmployeeOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public EmployeeOrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<EmployeeOrderViewModel> GetFullList()
+        {
+            List<EmployeeOrderViewModel> result = new List<EmployeeOrderViewModel>();
+            foreach (var material in _source.EmployeeOrders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<EmployeeOrderViewModel> GetFilteredList(EmployeeOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.EmployeeId.HasValue)
+            {
+                return new();
+            }
+            List<EmployeeOrderViewModel> result = new List<EmployeeOrderViewModel>();
+            foreach (var material in _source.EmployeeOrders)
+            {
+                if (material.EmployeeId == model.EmployeeId && material.OrderId == model.OrderId) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public EmployeeOrderViewModel? GetElement(EmployeeOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.EmployeeId.HasValue)
+            {
+                return new();
+            }
+            return _source.EmployeeOrders.FirstOrDefault(x => x.EmployeeId == model.EmployeeId && x.OrderId == model.OrderId)?.GetViewModel;
+        }
+
+        public EmployeeOrderViewModel? Insert(EmployeeOrderBindingModel model)
+        {
+            var order = _source.ReadDocument(new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            var employeeIds = order[8].AsBsonArray;
+            var materials = order[9].AsBsonArray;
+            employeeIds.Add(model.EmployeeId);
+            var orderView = _source.Orders.First(x => x.Id == model.OrderId);
+            OrderBindingModel orderModel = new OrderBindingModel
+            {
+                Id = orderView.Id,
+                Description = orderView.Description,
+                Adress = orderView.Adress,
+                Price = orderView.Price,
+                Status = orderView.Status,
+                CustomerNumber = orderView.CustomerNumber,
+                DateBegin = orderView.DateBegin,
+                DateEnd = orderView.DateEnd,
+            };
+            var document = Order.UpdateBSON(orderModel, employeeIds, materials);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.OrderId} }, "Orders");
+            var newEmployeeOrder = _source.EmployeeOrders[_source.EmployeeOrders.Count - 1];
+            return newEmployeeOrder.GetViewModel;
+        }
+
+        public EmployeeOrderViewModel? Delete(EmployeeOrderBindingModel model)
+        {
+            var deletedEmployeeOrder = _source.EmployeeOrders.First(x => x.EmployeeId == model.EmployeeId && x.OrderId == model.OrderId).GetViewModel;
+            var order = _source.ReadDocument(new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            var employeeIds = order[8].AsBsonArray;
+            var materials = order[9].AsBsonArray;
+            employeeIds.Remove(model.EmployeeId);
+            var orderView = _source.Orders.First(x => x.Id == model.OrderId);
+            OrderBindingModel orderModel = new OrderBindingModel
+            {
+                Id = orderView.Id,
+                Description = orderView.Description,
+                Adress = orderView.Adress,
+                Price = orderView.Price,
+                Status = orderView.Status,
+                CustomerNumber = orderView.CustomerNumber,
+                DateBegin = orderView.DateBegin,
+                DateEnd = orderView.DateEnd,
+            };
+            var document = Order.UpdateBSON(orderModel, employeeIds, materials);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            return deletedEmployeeOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeStorage.cs

@@ -0,0 +1,102 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class EmployeeStorage : IEmployeeStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        private readonly IPositionStorage _positionStorage;
+        public EmployeeStorage(IPositionStorage positionStorage)
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+            _positionStorage = positionStorage;
+        }
+        public List<EmployeeViewModel> GetFullList()
+        {
+            List<EmployeeViewModel> result = new List<EmployeeViewModel>();
+            foreach (var material in _source.Employees)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<EmployeeViewModel> GetFilteredList(EmployeeSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue && string.IsNullOrEmpty(model.EmployeeName))
+            {
+                return new();
+            }
+            List<EmployeeViewModel> result = new List<EmployeeViewModel>();
+            if (!string.IsNullOrEmpty(model.EmployeeName))
+            {
+                foreach (var material in _source.Employees)
+                {
+                    if (material.EmployeeName.Equals(model.EmployeeName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Employees)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public EmployeeViewModel? GetElement(EmployeeSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Employees.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public EmployeeViewModel? Insert(EmployeeBindingModel model)
+        {
+            model.Id = _source.Employees.Count > 0 ? _source.Employees.Max(x => x.Id) + 1 : 0;
+            var document = Employee.CreateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.InsertDocument(document, "Employees");
+            var newEmployee = _source.Employees[_source.Employees.Count - 1];
+            return newEmployee.GetViewModel;
+        }
+
+        public EmployeeViewModel? Update(EmployeeBindingModel model)
+        {
+            var document = Employee.UpdateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.Id } }, "Employees");
+            var position = _source.Positions.First(x => x.Id == model.PositionID);
+            _positionStorage.Update(new PositionBindingModel { Id = position.Id, PositionName = position.PositionName, Salary = position.Salary });
+            var updatedEmployee = _source.Employees.First(x => x.Id == model.Id);
+            return updatedEmployee.GetViewModel;
+        }
+
+        public EmployeeViewModel? Delete(EmployeeBindingModel model)
+        {
+            var deletedEmployee = _source.Employees.First(x => x.Id == model.Id).GetViewModel;
+            _source.DeleteDocument(new BsonDocument { { "_id", model.Id } }, "Employees");
+            return deletedEmployee;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialOrderStorage.cs

@@ -0,0 +1,111 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class MaterialOrderStorage : IMaterialOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public MaterialOrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<MaterialOrderViewModel> GetFullList()
+        {
+            List<MaterialOrderViewModel> result = new List<MaterialOrderViewModel>();
+            foreach (var material in _source.MaterialOrders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<MaterialOrderViewModel> GetFilteredList(MaterialOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.MaterialId.HasValue)
+            {
+                return new();
+            }
+            List<MaterialOrderViewModel> result = new List<MaterialOrderViewModel>();
+            foreach (var material in _source.MaterialOrders)
+            {
+                if (material.MaterialId == model.MaterialId && material.OrderId == model.OrderId) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public MaterialOrderViewModel? GetElement(MaterialOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.MaterialId.HasValue)
+            {
+                return new();
+            }
+            return _source.MaterialOrders.FirstOrDefault(x => x.MaterialId == model.MaterialId && x.OrderId == model.OrderId)?.GetViewModel;
+        }
+
+        public MaterialOrderViewModel? Insert(MaterialOrderBindingModel model)
+        {
+            var order = _source.ReadDocument(new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            var employeeIds = order[8].AsBsonArray;
+            var materials = order[9].AsBsonArray;
+            materials.Add(new BsonDocument {{"materialId", model.MaterialId}, {"quantity", model.Quantity}});
+            var orderView = _source.Orders.First(x => x.Id == model.OrderId);
+            OrderBindingModel orderModel = new OrderBindingModel
+            {
+                Id = orderView.Id,
+                Description = orderView.Description,
+                Adress = orderView.Adress,
+                Price = orderView.Price,
+                Status = orderView.Status,
+                CustomerNumber = orderView.CustomerNumber,
+                DateBegin = orderView.DateBegin,
+                DateEnd = orderView.DateEnd,
+            };
+            var document = Order.UpdateBSON(orderModel, employeeIds, materials);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            var newMaterialOrder = _source.MaterialOrders[_source.MaterialOrders.Count - 1];
+            return newMaterialOrder.GetViewModel;
+        }
+
+        public MaterialOrderViewModel? Delete(MaterialOrderBindingModel model)
+        {
+            var deletedMaterialOrder = _source.MaterialOrders.First(x => x.MaterialId == model.MaterialId && x.OrderId == model.OrderId).GetViewModel;
+            var order = _source.ReadDocument(new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            var employeeIds = order[8].AsBsonArray;
+            var materials = order[9].AsBsonArray;
+            employeeIds.Remove(new BsonDocument {{"materialId", model.MaterialId}, {"quantity", model.Quantity}});
+            var orderView = _source.Orders.First(x => x.Id == model.OrderId);
+            OrderBindingModel orderModel = new OrderBindingModel
+            {
+                Id = orderView.Id,
+                Description = orderView.Description,
+                Adress = orderView.Adress,
+                Price = orderView.Price,
+                Status = orderView.Status,
+                CustomerNumber = orderView.CustomerNumber,
+                DateBegin = orderView.DateBegin,
+                DateEnd = orderView.DateEnd,
+            };
+            var document = Order.UpdateBSON(orderModel, employeeIds, materials);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.OrderId } }, "Orders");
+            return deletedMaterialOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialStorage.cs

@@ -0,0 +1,125 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class MaterialStorage : IMaterialStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public MaterialStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<MaterialViewModel> GetFullList()
+        {
+            List<MaterialViewModel> result = new List<MaterialViewModel>();
+            foreach (var material in _source.Materials)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<MaterialViewModel> GetFilteredList(MaterialSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue || string.IsNullOrEmpty(model.MaterialName))
+            {
+                return new();
+            }
+            List<MaterialViewModel> result = new List<MaterialViewModel>();
+            if (!string.IsNullOrEmpty(model.MaterialName))
+            {
+                foreach (var material in _source.Materials)
+                {
+                    if (material.MaterialName.Equals(model.MaterialName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Materials)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public MaterialViewModel? GetElement(MaterialSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Materials.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public MaterialViewModel? Insert(MaterialBindingModel model)
+        {
+            model.Id = _source.Materials.Count > 0 ? _source.Materials.Max(x => x.Id) + 1 : 0;
+            var document = Material.CreateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.InsertDocument(document, "Materials");
+            var newMaterial = _source.Materials[_source.Materials.Count - 1];
+            return newMaterial.GetViewModel;
+        }
+
+        public MaterialViewModel? Update(MaterialBindingModel model)
+        {
+            var document = Material.UpdateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.Id } }, "Materials");
+            var updatedMaterial = _source.Materials.First(x => x.Id == model.Id);
+            return updatedMaterial.GetViewModel;
+        }
+
+        public MaterialViewModel? Delete(MaterialBindingModel model)
+        {
+            var deletedMaterial = _source.Materials.First(x => x.Id == model.Id).GetViewModel;
+            _source.DeleteDocument(new BsonDocument { { "_id", model.Id } }, "Materials");
+            return deletedMaterial;
+        }
+        public List<EmployeeViewModel>? GetEmployeesUsingMaterial(MaterialBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+
+            //List<Employee> employeesList = _source.Employees;
+            //BsonDocument filter = new BsonDocument { { "materials.materialId", new BsonDocument("$eq", model.Id) } };
+            //List<BsonDocument> fiteredOrders = _source.FilterDocuments(filter, "Orders");
+            //List<EmployeeViewModel> employees = new List<EmployeeViewModel>();
+            //foreach (var order in fiteredOrders)
+            //{
+            //    var orderEmployees = order[8].AsBsonArray;
+            //    foreach (var employee in orderEmployees)
+            //    {
+            //        var emp = employees.FirstOrDefault(x => x.Id == employee.ToInt32());
+            //        if (emp == null)
+            //        {
+            //            employees.Add(employeesList.First(x => x.Id == employee.ToInt32()).GetViewModel);
+            //        }
+            //    }
+            //}
+
+            var employees = _source.reportMaterials(model.Id);
+            return employees;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/OrderStorage.cs

@@ -0,0 +1,90 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public OrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            List<OrderViewModel> result = new List<OrderViewModel>();
+            foreach (var material in _source.Orders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            List<OrderViewModel> result = new List<OrderViewModel>();
+            foreach (var material in _source.Orders)
+            {
+                if (material.Id == model.Id) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            model.Id = _source.Orders.Count > 0 ? _source.Orders.Max(x => x.Id) + 1 : 0;
+            var document = Order.CreateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.InsertDocument(document, "Orders");
+            var newOrder = _source.Orders[_source.Orders.Count - 1];
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var order = _source.ReadDocument(new BsonDocument { { "_id", model.Id } }, "Orders");
+            var employeeIds = order[8].AsBsonArray;
+            var materials = order[9].AsBsonArray;
+            var document = Order.UpdateBSON(model, employeeIds, materials);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { { "_id", model.Id} }, "Orders");
+            var updatedOrder = _source.Orders.First(x => x.Id == model.Id);
+            return updatedOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var deletedOrder = _source.Orders.First(x => x.Id == model.Id).GetViewModel;
+            _source.DeleteDocument(new BsonDocument { { "_id", model.Id } }, "Orders");
+            return deletedOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/PositionStorage.cs

@@ -0,0 +1,106 @@
+using Amazon.Auth.AccessControlPolicy;
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyMongoDBImplement.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Implements
+{
+    public class PositionStorage : IPositionStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public PositionStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<PositionViewModel> GetFullList()
+        {
+            List<PositionViewModel> result = new List<PositionViewModel>();
+            foreach (var material in _source.Positions)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<PositionViewModel> GetFilteredList(PositionSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue && string.IsNullOrEmpty(model.PositionName))
+            {
+                return new();
+            }
+            List<PositionViewModel> result = new List<PositionViewModel>();
+            if (!string.IsNullOrEmpty(model.PositionName))
+            {
+                foreach (var material in _source.Positions)
+                {
+                    if (material.PositionName.Equals(model.PositionName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Positions)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public PositionViewModel? GetElement(PositionSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Positions.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public PositionViewModel? Insert(PositionBindingModel model)
+        {
+            model.Id = _source.Positions.Count > 0 ? _source.Positions.Max(x => x.Id) + 1 : 0;
+            var document = Position.CreateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.InsertDocument(document, "Positions");
+            var newPosition = _source.Positions[_source.Positions.Count - 1];
+            return newPosition.GetViewModel;
+        }
+
+        public PositionViewModel? Update(PositionBindingModel model)
+        {
+            var document = Position.UpdateBSON(model);
+            if (document == null)
+            {
+                return null;
+            }
+            _source.ReplaceDocument(document, new BsonDocument { {"_id" , model.Id} }, "Positions");
+            var updatedPosition = _source.Positions.First(x => x.Id == model.Id);
+            return updatedPosition.GetViewModel;
+        }
+
+        public PositionViewModel? Delete(PositionBindingModel model)
+        {
+            var deletedPosition = _source.Positions.First(x => x.Id == model.Id).GetViewModel;
+            _source.DeleteDocument(new BsonDocument { { "_id", model.Id } }, "Positions");
+            return deletedPosition;
+        }
+
+        public List<BrigadeReportViewModel> GetPositionsAverage(DateTime dateFrom, DateTime dateTo)
+        {
+            //_source.flushDb();
+            List<BrigadeReportViewModel> positionsAverages = _source.reportPositionsAverage(dateFrom, dateTo);
+            return positionsAverages;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Employee.cs

@@ -0,0 +1,71 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class Employee : IEmployeeModel
+    {
+        public string EmployeeName { get; private set; } = string.Empty;
+
+        public int Id { get; private set; }
+        public int PositionID { get; private set; }
+        public Position Position { get; set; } = new();
+
+        public static Employee? Create(EmployeeBindingModel? model, List<Position> positions)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Employee()
+            {
+                Id = model.Id,
+                EmployeeName = model.EmployeeName,
+                PositionID = model.PositionID,
+                Position = positions.First(x => x.Id == model.PositionID)
+            };
+        }
+
+        public static BsonDocument? CreateBSON(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"EmployeeName", $"{model.EmployeeName}"},
+                {"positionId", model.PositionID}
+            };
+        }
+
+        public static BsonDocument? UpdateBSON(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"EmployeeName", $"{model.EmployeeName}"},
+                {"positionId", model.PositionID}
+            };
+        }
+        public EmployeeViewModel GetViewModel => new()
+        {
+            Id = Id,
+            EmployeeName = EmployeeName,
+            PositionID = PositionID,
+            PositionName = Position.PositionName
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/EmployeeOrder.cs

@@ -0,0 +1,40 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class EmployeeOrder : IEmployeeOrderModel
+    {
+        public int EmployeeId { get; set; }
+        public int OrderId { get; set; }
+        public Employee Employee { get; set; } = new();
+        public Order Order { get; set; } = new();
+        public static EmployeeOrder? Create(EmployeeOrderBindingModel? model, List<Employee> employees, List<Order> orders)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new EmployeeOrder()
+            {
+                EmployeeId = model.EmployeeId,
+                OrderId = model.OrderId,
+                Employee = employees.First(x => x.Id == model.EmployeeId),
+                Order = orders.First(x => x.Id == model.OrderId),
+            };
+        }
+        public EmployeeOrderViewModel GetViewModel => new()
+        {
+            OrderId = OrderId,
+            EmployeeId = EmployeeId,
+            OrderAdress = Order.Adress,
+            EmployeeName = Employee.EmployeeName
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Material.cs

@@ -0,0 +1,69 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class Material : IMaterialModel
+    {
+        public string MaterialName { get; private set; } = string.Empty;
+
+        public int Quantity { get; set; }
+
+        public int Id { get; private set; }
+        public static Material? Create(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Material()
+            {
+                Id = model.Id,
+                MaterialName = model.MaterialName,
+                Quantity = model.Quantity,
+            };
+        }
+
+        public static BsonDocument? CreateBSON(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"materialName", $"{model.MaterialName}"},
+                {"quantity", $"{model.Quantity}" }
+            };
+        }
+
+        public static BsonDocument? UpdateBSON(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"materialName", $"{model.MaterialName}"},
+                {"quantity", $"{model.Quantity}" }
+            };
+        }
+
+        public MaterialViewModel GetViewModel => new()
+        {
+            Id = Id,
+            MaterialName = MaterialName,
+            Quantity = Quantity
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/MaterialOrder.cs

@@ -0,0 +1,43 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class MaterialOrder : IMaterialOrderModel
+    {
+        public int MaterialId { get; set; }
+        public int OrderId { get; set; }
+        public int Quantity { get; set; }
+        public Material Material { get; set; } = new();
+        public Order Order { get; set; } = new();
+        public static MaterialOrder? Create(MaterialOrderBindingModel? model, List<Material> materials, List<Order> orders)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MaterialOrder()
+            {
+                MaterialId = model.MaterialId,
+                OrderId = model.OrderId,
+                Quantity = model.Quantity,
+                Material = materials.First(x => x.Id == model.MaterialId),
+                Order = orders.First(x => x.Id == model.OrderId),
+            };
+        }
+        public MaterialOrderViewModel GetViewModel => new()
+        {
+            OrderId = OrderId,
+            MaterialId = MaterialId,
+            Quantity = Quantity,
+            OrderAdress = Order.Adress,
+            MaterialName = Material.MaterialName
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Order.cs

@@ -0,0 +1,101 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Enums;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class Order
+    {
+        public int Id { get; private set; }
+        public string Description { get; private set; } = string.Empty;
+        public string Adress { get; private set; } = string.Empty;
+        public string CustomerNumber { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+        public OrderStatus Status { get; private set; }
+
+        public DateTime DateBegin { get; private set; }
+
+        public DateTime? DateEnd { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                Description = model.Description,
+                Adress = model.Adress,
+                CustomerNumber = model.CustomerNumber,
+                Price = model.Price,
+                Status = model.Status,
+                DateBegin = model.DateBegin,
+                DateEnd = model.DateEnd
+            };
+        }
+
+        public static BsonDocument? CreateBSON(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            BsonArray bsonArray = new BsonArray();
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"description", $"{model.Description}"},
+                {"adress", $"{model.Adress}"},
+                {"price", model.Price},
+                {"status", $"{model.Status}"},
+                {"customerNumber", $"{model.CustomerNumber}"},
+                {"dateBegin", new BsonDateTime(model.DateBegin)},
+                {"dateEnd", model.DateEnd.HasValue ? new BsonDateTime(model.DateEnd.Value) : ""},
+                {"employeesId", new BsonArray() },
+                {"materials", new BsonArray()}
+            };
+        }
+
+        public static BsonDocument? UpdateBSON(OrderBindingModel? model, BsonArray employeesId, BsonArray materials)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"description", $"{model.Description}"},
+                {"adress", $"{model.Adress}"},
+                {"price", model.Price},
+                {"status", $"{model.Status}"},
+                {"customerNumber", $"{model.CustomerNumber}"},
+                {"dateBegin", new BsonDateTime(model.DateBegin)},
+                {"dateEnd", model.DateEnd.HasValue ? new BsonDateTime(model.DateEnd.Value) : ""},
+                {"employeesId", employeesId },
+                {"materials", materials}
+            };
+        }
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Description = Description,
+            Adress = Adress,
+            CustomerNumber = CustomerNumber,
+            Price = Price,
+            Status = Status,
+            DateBegin = DateBegin,
+            DateEnd = DateEnd
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Position.cs

@@ -0,0 +1,70 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyMongoDBImplement.Models
+{
+    public class Position : IPositionModel
+    {
+        public string PositionName { get; private set; } = string.Empty;
+
+        public double Salary { get; set; }
+
+        public int Id { get; private set; }
+        public List<int> Employees { get; private set; } = new List<int>();
+
+        public static Position? Create(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Position()
+            {
+                Id = model.Id,
+                PositionName = model.PositionName,
+                Salary = model.Salary
+            };
+        }
+
+        public static BsonDocument? CreateBSON(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"PositionName", $"{model.PositionName}"},
+                {"Salary", $"{model.Salary}" }
+            };
+        }
+
+        public static BsonDocument? UpdateBSON(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new BsonDocument
+            {
+                {"_id", model.Id},
+                {"PositionName", $"{model.PositionName}"},
+                {"Salary", $"{model.Salary}" }
+            };
+        }
+        public PositionViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PositionName = PositionName,
+            Salary = Salary
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/ConstructionCompanyDatabase.cs

@@ -0,0 +1,261 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ConstructionCompanyPsqlImplement.Models;
+using ConstructionCompanyContracts.BindingModels;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using ConstructionCompanyDataModels.Enums;
+using System.Diagnostics;
+using Microsoft.Extensions.Logging;
+
+namespace ConstructionCompanyPsqlImplement
+{
+    public class ConstructionCompanyDatabase
+    {
+        static string connectionString = "Server=192.168.1.35;Port=5432;Database=ConstructionCompanyForwardEngineerd;User Id=postgres;Password=postgres;";
+
+        private static ConstructionCompanyDatabase? _instance;
+        private List<Material> _materials = new List<Material>();
+        private List<Employee> _employees = new List<Employee>();
+        private List<Position> _positions = new List<Position>();
+        private List<Order> _orders = new List<Order>();
+        private List<EmployeeOrder> _employeeOrders = new List<EmployeeOrder>();
+        private List<MaterialOrder> _materialOrders = new List<MaterialOrder>();
+        public List<Material> Materials 
+        {
+            get
+            {
+                refreshDb();
+                return _materials;
+            }
+        }
+        public List<Employee> Employees
+        {
+            get
+            {
+                refreshDb();
+                return _employees;
+            }
+        }
+        public List<Position> Positions
+        {
+            get
+            {
+                refreshDb();
+                return _positions;
+            }
+        }
+        public List<Order> Orders
+        {
+            get
+            {
+                refreshDb();
+                return _orders;
+            }
+        }
+
+        public List<EmployeeOrder> EmployeeOrders
+        {
+            get
+            {
+                refreshDb();
+                return _employeeOrders;
+            }
+        }
+
+        public List<MaterialOrder> MaterialOrders
+        {
+            get
+            {
+                refreshDb();
+                return _materialOrders;
+            }
+        }
+
+        public static ConstructionCompanyDatabase GetInstance()
+        {
+            if (_instance == null)
+            {
+                _instance = new ConstructionCompanyDatabase();
+            }
+            return _instance;
+        }
+
+        public void ExecuteSql(string commandString)
+        {
+            using var connection = new NpgsqlConnection(connectionString);
+            connection.Open();
+            using var command = connection.CreateCommand();
+            command.CommandText = commandString;
+            command.ExecuteNonQuery();
+            refreshDb();
+            connection.Close();
+        }
+
+        public List<List<string>> ExecuteReader(string commandString, int numOfFields)
+        {
+            using var connection = new NpgsqlConnection(connectionString);
+            connection.Open();
+
+            using var commandMaterials = connection.CreateCommand();
+            commandMaterials.CommandText = commandString;
+            using var reader = commandMaterials.ExecuteReader();
+            List<List<string>> res = new List<List<string>>();
+            while (reader.Read())
+            {
+                List<string> item = new List<string>();
+                for (int i =0; i < numOfFields; i++)
+                {
+                    item.Add(reader.GetValue(i).ToString());
+                }
+                res.Add(item);
+            }
+            return res;
+        }
+
+        private void refreshDb()
+        {
+            _materials.Clear();
+            _positions.Clear();
+            _employees.Clear();
+            _orders.Clear();
+            _employeeOrders.Clear();
+            _materialOrders.Clear();
+            using var connection = new NpgsqlConnection(connectionString);
+            connection.Open();
+
+            using var commandMaterials = connection.CreateCommand();
+            commandMaterials.CommandText = "SELECT * FROM material;";
+            Stopwatch stopwatch = new Stopwatch();
+            stopwatch.Start();
+            using var readerMaterials =  commandMaterials.ExecuteReader();
+            stopwatch.Stop();
+            long materialsTime = stopwatch.ElapsedMilliseconds;
+            while (readerMaterials.Read())
+            {
+                int id = readerMaterials.GetInt32(0);
+                string name = readerMaterials.GetString(1);
+                int quantity = readerMaterials.GetInt32(2);
+                Material? mat = Material.Create(new MaterialBindingModel { Id = id, MaterialName = name, Quantity = quantity });
+                if (mat != null) _materials.Add(mat);
+            }
+            readerMaterials.Close();
+
+            using var commandPositions = connection.CreateCommand();
+            commandPositions.CommandText = "SELECT * FROM position;";
+            stopwatch.Restart();
+            using var readerPositions = commandPositions.ExecuteReader();
+            stopwatch.Stop();
+            long positionsTime = stopwatch.ElapsedMilliseconds;
+            while (readerPositions.Read())
+            {
+                int id = readerPositions.GetInt32(0);
+                string name = readerPositions.GetString(1);
+                double salary = readerPositions.GetDouble(2);
+                Position? position = Position.Create(new PositionBindingModel { Id = id, PositionName = name, Salary = salary });
+                if (position != null) _positions.Add(position);
+            }
+            readerPositions.Close();
+
+            using var commandEmployees = connection.CreateCommand();
+            commandEmployees.CommandText = "SELECT * FROM employee;";
+            stopwatch.Restart();
+            using var readerEmployees = commandEmployees.ExecuteReader();
+            stopwatch.Stop();
+            long employeesTime = stopwatch.ElapsedMilliseconds;
+            while (readerEmployees.Read())
+            {
+                int id = readerEmployees.GetInt32(0);
+                string name = readerEmployees.GetString(1);
+                int positionId = readerEmployees.GetInt32(2);
+                Employee? employee = Employee.Create(new EmployeeBindingModel { Id = id, EmployeeName = name, PositionID = positionId }, _positions);
+                if (employee != null) _employees.Add(employee);
+            }
+            readerEmployees.Close();
+
+            using var commandOrders = connection.CreateCommand();
+            commandOrders.CommandText = "SELECT * FROM \"order\";";
+            stopwatch.Restart();
+            using var readerOrders = commandOrders.ExecuteReader();
+            stopwatch.Stop();
+            long ordersTime = stopwatch.ElapsedMilliseconds;
+            while (readerOrders.Read())
+            {
+                int id = readerOrders.GetInt32(0);
+                string description = readerOrders.GetString(1);
+                string adress = readerOrders.GetString(2);
+                double price = readerOrders.GetDouble(3);
+                string statusString = readerOrders.GetString(4);
+                OrderStatus status;
+                switch (statusString)
+                {
+                    case "Принят":
+                        status = OrderStatus.Принят;
+                        break;
+                    case "Выполняется":
+                        status = OrderStatus.Выполняется;
+                        break;
+                    case "Завершён":
+                        status = OrderStatus.Завершён;
+                        break;
+                    default:
+                        status = OrderStatus.Неизвестен;
+                        break;
+                }
+                string customerNumber = readerOrders.GetString(5);
+                DateTime dateBegin = readerOrders.GetDateTime(6);
+                Order? order;
+                if (status == OrderStatus.Завершён)
+                {
+                    DateTime? dateEnd = readerOrders.GetDateTime(7);
+                    order = Order.Create(new OrderBindingModel { Id = id, Description = description, Adress = adress, Price = price, Status = status, CustomerNumber = customerNumber, DateBegin = dateBegin, DateEnd = dateEnd });
+                }
+                else
+                {
+                    order = Order.Create(new OrderBindingModel { Id = id, Description = description, Adress = adress, Price = price, Status = status, CustomerNumber = customerNumber, DateBegin = dateBegin});
+                }
+                if (order != null) _orders.Add(order);
+            }
+            readerOrders.Close();
+
+            using var commandEmployeeOrders = connection.CreateCommand();
+            
+            commandEmployeeOrders.CommandText = "SELECT * FROM employee_order;";
+            
+            stopwatch.Restart();
+            using var readerEmployeeOrders = commandEmployeeOrders.ExecuteReader();
+            stopwatch.Stop();
+            long employeeOrderTime = stopwatch.ElapsedMilliseconds;
+            while (readerEmployeeOrders.Read())
+            {
+                int employeeId = readerEmployeeOrders.GetInt32(0);
+                int orderId = readerEmployeeOrders.GetInt32(1);
+                EmployeeOrder? employeeOrder = EmployeeOrder.Create(new EmployeeOrderBindingModel { EmployeeId = employeeId, OrderId = orderId}, _employees, _orders);
+                if (employeeOrder != null) _employeeOrders.Add(employeeOrder);
+            }
+            readerEmployeeOrders.Close();
+
+            using var commandMaterialOrders = connection.CreateCommand();
+            commandMaterialOrders.CommandText = "SELECT * FROM material_order;";
+            stopwatch.Restart();
+            using var readerMaterialOrders = commandMaterialOrders.ExecuteReader();
+            stopwatch.Stop();
+            long materialOrderTime = stopwatch.ElapsedMilliseconds;
+            while (readerMaterialOrders.Read())
+            {
+                int materialId = readerMaterialOrders.GetInt32(0);
+                int orderId = readerMaterialOrders.GetInt32(1);
+                int quantity = readerMaterialOrders.GetInt32(2);
+                MaterialOrder? materialOrder = MaterialOrder.Create(new MaterialOrderBindingModel { MaterialId = materialId, OrderId = orderId, Quantity = quantity}, _materials, _orders);
+                if (materialOrder != null) _materialOrders.Add(materialOrder);
+            }
+            readerMaterialOrders.Close();
+
+            connection.Close();
+            
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/ConstructionCompanyPsqlImplement.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <UserSecretsId>9152d6ad-e687-4e3f-836c-fd7263918b1d</UserSecretsId>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.4" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.4">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="MongoDB.Bson" Version="2.19.1" />
+    <PackageReference Include="Npgsql" Version="7.0.2" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL.NodaTime" Version="7.0.3" />
+    <PackageReference Include="Npgsql.NodaTime" Version="7.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyContracts\ConstructionCompanyContracts.csproj" />
+  </ItemGroup>
+
+</Project>

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/EmployeeOrderStorage.cs

@@ -0,0 +1,78 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class EmployeeOrderStorage : IEmployeeOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public EmployeeOrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<EmployeeOrderViewModel> GetFullList()
+        {
+            List<EmployeeOrderViewModel> result = new List<EmployeeOrderViewModel>();
+            foreach (var material in _source.EmployeeOrders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<EmployeeOrderViewModel> GetFilteredList(EmployeeOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.EmployeeId.HasValue)
+            {
+                return new();
+            }
+            List<EmployeeOrderViewModel> result = new List<EmployeeOrderViewModel>();
+            foreach (var material in _source.EmployeeOrders)
+            {
+                if (material.EmployeeId == model.EmployeeId && material.OrderId == model.OrderId) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public EmployeeOrderViewModel? GetElement(EmployeeOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.EmployeeId.HasValue)
+            {
+                return new();
+            }
+            return _source.EmployeeOrders.FirstOrDefault(x => x.EmployeeId == model.EmployeeId && x.OrderId == model.OrderId)?.GetViewModel;
+        }
+
+        public EmployeeOrderViewModel? Insert(EmployeeOrderBindingModel model)
+        {
+            var command = EmployeeOrder.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newEmployeeOrder = _source.EmployeeOrders[_source.EmployeeOrders.Count - 1];
+            return newEmployeeOrder.GetViewModel;
+        }
+
+        public EmployeeOrderViewModel? Delete(EmployeeOrderBindingModel model)
+        {
+            var command = EmployeeOrder.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedEmployeeOrder = _source.EmployeeOrders.First(x => x.EmployeeId == model.EmployeeId && x.OrderId == model.OrderId).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedEmployeeOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/EmployeeStorage.cs

@@ -0,0 +1,101 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class EmployeeStorage : IEmployeeStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public EmployeeStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<EmployeeViewModel> GetFullList()
+        {
+            List<EmployeeViewModel> result = new List<EmployeeViewModel>();
+            foreach (var material in _source.Employees)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<EmployeeViewModel> GetFilteredList(EmployeeSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue && string.IsNullOrEmpty(model.EmployeeName))
+            {
+                return new();
+            }
+            List<EmployeeViewModel> result = new List<EmployeeViewModel>();
+            if (!string.IsNullOrEmpty(model.EmployeeName))
+            {
+                foreach (var material in _source.Employees)
+                {
+                    if (material.EmployeeName.Equals(model.EmployeeName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Employees)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public EmployeeViewModel? GetElement(EmployeeSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Employees.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public EmployeeViewModel? Insert(EmployeeBindingModel model)
+        {
+            var command = Employee.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newEmployee = _source.Employees[_source.Employees.Count - 1];
+            return newEmployee.GetViewModel;
+        }
+
+        public EmployeeViewModel? Update(EmployeeBindingModel model)
+        {
+            var command = Employee.UpdateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var updatedEmployee = _source.Employees.First(x => x.Id == model.Id);
+            return updatedEmployee.GetViewModel;
+        }
+
+        public EmployeeViewModel? Delete(EmployeeBindingModel model)
+        {
+            var command = Employee.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedEmployee = _source.Employees.First(x => x.Id == model.Id).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedEmployee;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/MaterialOrderStorage.cs

@@ -0,0 +1,79 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class MaterialOrderStorage : IMaterialOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public MaterialOrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<MaterialOrderViewModel> GetFullList()
+        {
+            List<MaterialOrderViewModel> result = new List<MaterialOrderViewModel>();
+            foreach (var material in _source.MaterialOrders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<MaterialOrderViewModel> GetFilteredList(MaterialOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.MaterialId.HasValue)
+            {
+                return new();
+            }
+            List<MaterialOrderViewModel> result = new List<MaterialOrderViewModel>();
+            foreach (var material in _source.MaterialOrders)
+            {
+                if (material.MaterialId == model.MaterialId && material.OrderId == model.OrderId) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public MaterialOrderViewModel? GetElement(MaterialOrderSearchModel model)
+        {
+            if (model == null || !model.OrderId.HasValue || !model.MaterialId.HasValue)
+            {
+                return new();
+            }
+            return _source.MaterialOrders.FirstOrDefault(x => x.MaterialId == model.MaterialId && x.OrderId == model.OrderId)?.GetViewModel;
+        }
+
+        public MaterialOrderViewModel? Insert(MaterialOrderBindingModel model)
+        {
+            var command = MaterialOrder.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newMaterialOrder = _source.MaterialOrders[_source.MaterialOrders.Count - 1];
+            return newMaterialOrder.GetViewModel;
+        }
+
+        public MaterialOrderViewModel? Delete(MaterialOrderBindingModel model)
+        {
+            var command = MaterialOrder.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedMaterialOrder = _source.MaterialOrders.First(x => x.MaterialId == model.MaterialId && x.OrderId == model.OrderId).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedMaterialOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/MaterialStorage.cs

@@ -0,0 +1,116 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class MaterialStorage : IMaterialStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public MaterialStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<MaterialViewModel> GetFullList()
+        {
+            List<MaterialViewModel> result = new List<MaterialViewModel>();
+            foreach (var material in _source.Materials)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<MaterialViewModel> GetFilteredList(MaterialSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue || string.IsNullOrEmpty(model.MaterialName))
+            {
+                return new();
+            }
+            List<MaterialViewModel> result = new List<MaterialViewModel>();
+            if (!string.IsNullOrEmpty(model.MaterialName))
+            {
+                foreach (var material in _source.Materials)
+                {
+                    if (material.MaterialName.Equals(model.MaterialName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Materials)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public MaterialViewModel? GetElement(MaterialSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Materials.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public MaterialViewModel? Insert(MaterialBindingModel model)
+        {
+            var command = Material.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newMaterial = _source.Materials[_source.Materials.Count - 1];
+            return newMaterial.GetViewModel;
+        }
+
+        public MaterialViewModel? Update(MaterialBindingModel model)
+        {
+            var command = Material.UpdateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var updatedMaterial = _source.Materials.First(x => x.Id == model.Id);
+            return updatedMaterial.GetViewModel;
+        }
+
+        public MaterialViewModel? Delete(MaterialBindingModel model)
+        {
+            var command = Material.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedMaterial = _source.Materials.First(x => x.Id == model.Id).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedMaterial;
+        }
+        public List<EmployeeViewModel>? GetEmployeesUsingMaterial(MaterialBindingModel model)
+        {
+            var command = Material.GetEmployeeCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var employeesId = _source.ExecuteReader(command, 1);
+            List<EmployeeViewModel> employees = new List<EmployeeViewModel>();
+            foreach (var id in employeesId)
+            {
+                employees.Add(_source.Employees.First(x => x.Id == Convert.ToInt32(id[0])).GetViewModel);
+            }
+            return employees;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/OrderStorage.cs

@@ -0,0 +1,90 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public OrderStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<OrderViewModel> GetFullList()
+        {
+            List<OrderViewModel> result = new List<OrderViewModel>();
+            foreach (var material in _source.Orders)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            List<OrderViewModel> result = new List<OrderViewModel>();
+            foreach (var material in _source.Orders)
+            {
+                if (material.Id == model.Id) result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Orders.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            var command = Order.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newOrder = _source.Orders[_source.Orders.Count - 1];
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            var command = Order.UpdateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var updatedOrder = _source.Orders.First(x => x.Id == model.Id);
+            return updatedOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            var command = Order.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedOrder = _source.Orders.First(x => x.Id == model.Id).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedOrder;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Implements/PositionStorage.cs

@@ -0,0 +1,114 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.StorageContracts;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Implements
+{
+    public class PositionStorage : IPositionStorage
+    {
+        private readonly ConstructionCompanyDatabase _source;
+        public PositionStorage()
+        {
+            _source = ConstructionCompanyDatabase.GetInstance();
+        }
+        public List<PositionViewModel> GetFullList()
+        {
+            List<PositionViewModel> result = new List<PositionViewModel>();
+            foreach (var material in _source.Positions)
+            {
+                result.Add(material.GetViewModel);
+            }
+            return result;
+        }
+
+        public List<PositionViewModel> GetFilteredList(PositionSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue && string.IsNullOrEmpty(model.PositionName))
+            {
+                return new();
+            }
+            List<PositionViewModel> result = new List<PositionViewModel>();
+            if (!string.IsNullOrEmpty(model.PositionName))
+            {
+                foreach (var material in _source.Positions)
+                {
+                    if (material.PositionName.Equals(model.PositionName)) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+            else
+            {
+                foreach (var material in _source.Positions)
+                {
+                    if (material.Id == model.Id) result.Add(material.GetViewModel);
+                }
+                return result;
+            }
+        }
+
+        public PositionViewModel? GetElement(PositionSearchModel model)
+        {
+            if (model == null || !model.Id.HasValue)
+            {
+                return new();
+            }
+            return _source.Positions.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+
+        public PositionViewModel? Insert(PositionBindingModel model)
+        {
+            var command = Position.CreateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var newPosition = _source.Positions[_source.Positions.Count - 1];
+            return newPosition.GetViewModel;
+        }
+
+        public PositionViewModel? Update(PositionBindingModel model)
+        {
+            var command = Position.UpdateCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            _source.ExecuteSql(command);
+            var updatedPosition = _source.Positions.First(x => x.Id == model.Id);
+            return updatedPosition.GetViewModel;
+        }
+
+        public PositionViewModel? Delete(PositionBindingModel model)
+        {
+            var command = Position.DeleteCommand(model);
+            if (string.IsNullOrEmpty(command))
+            {
+                return null;
+            }
+            var deletedPosition = _source.Positions.First(x => x.Id == model.Id).GetViewModel;
+            _source.ExecuteSql(command);
+            return deletedPosition;
+        }
+
+        public List<BrigadeReportViewModel> GetPositionsAverage(DateTime dateFrom, DateTime dateTo)
+        {
+            var command = Position.PositionsAVGCommnad(dateFrom, dateTo);
+            var result = _source.ExecuteReader(command, 2);
+            List<BrigadeReportViewModel> positionsAverages = new List<BrigadeReportViewModel>();
+            foreach (var posAvgPair in result)
+            {
+                string positionName = _source.Positions.First(x => x.Id == Convert.ToInt32(posAvgPair[0])).PositionName;
+                positionsAverages.Add(new BrigadeReportViewModel { PositionId = Convert.ToInt32(posAvgPair[0]), PositionName = positionName, materialAvg = Convert.ToDouble(posAvgPair[1]) });
+            }
+            return positionsAverages;
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/Employee.cs

@@ -0,0 +1,96 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class Employee : IEmployeeModel
+    {
+        public string EmployeeName { get; private set; } = string.Empty;
+
+        public int Id { get; private set; }
+        public int PositionID { get; private set; }
+        public Position Position { get; set; } = new();
+
+        public static Employee? Create(EmployeeBindingModel? model, List<Position> positions)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Employee()
+            {
+                Id = model.Id,
+                EmployeeName = model.EmployeeName,
+                PositionID = model.PositionID,
+                Position = positions.First(x => x.Id == model.PositionID)
+            };
+        }
+        public void Update(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            EmployeeName = model.EmployeeName;
+            PositionID = model.PositionID;
+        }
+        public static string CreateCommand(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO employee(name, position_id) VALUES(\'{model.EmployeeName}\', {model.PositionID});";
+        }
+        public static string UpdateCommand(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"UPDATE employee SET \"name\" = \'{model.EmployeeName}\', position_id = {model.PositionID} WHERE id = {model.Id}";
+        }
+        public static string DeleteCommand(EmployeeBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM employee WHERE id = {model.Id}";
+        }
+
+        public EmployeeViewModel GetViewModel => new()
+        {
+            Id = Id,
+            EmployeeName = EmployeeName,
+            PositionID = PositionID,
+            PositionName = Position.PositionName
+        };
+
+        public BsonDocument CreateBSON =>
+        new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"EmployeeName", $"{EmployeeName}"},
+                {"positionId", PositionID - 1}
+            };
+
+
+
+        public BsonDocument UpdateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"EmployeeName", $"{EmployeeName}"},
+                {"positionId", PositionID - 1}
+            };
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/EmployeeOrder.cs

@@ -0,0 +1,56 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class EmployeeOrder : IEmployeeOrderModel
+    {
+        public int EmployeeId { get; set; }
+        public int OrderId { get; set; }
+        public Employee Employee { get; set; } = new();
+        public Order Order { get; set; } = new();
+        public static EmployeeOrder? Create(EmployeeOrderBindingModel? model, List<Employee> employees, List<Order> orders)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new EmployeeOrder()
+            {
+                EmployeeId = model.EmployeeId,
+                OrderId = model.OrderId,
+                Employee = employees.First(x => x.Id == model.EmployeeId),
+                Order = orders.First(x => x.Id == model.OrderId),
+            };
+        }
+        public static string CreateCommand(EmployeeOrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO employee_order(employee_id, order_id) VALUES({model.EmployeeId}, {model.OrderId});";
+        }
+        public static string DeleteCommand(EmployeeOrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM material WHERE employee_id = {model.EmployeeId} AND order_id = {model.OrderId}";
+        }
+        public EmployeeOrderViewModel GetViewModel => new()
+        {
+            OrderId = OrderId,
+            EmployeeId = EmployeeId,
+            OrderAdress = Order.Adress,
+            EmployeeName = Employee.EmployeeName
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/Material.cs

@@ -0,0 +1,101 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class Material : IMaterialModel
+    {
+        public string MaterialName {get; private set;} = string.Empty;
+
+        public int Quantity { get; set; }
+
+        public int Id { get; private set; }
+
+        public static Material? Create(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Material()
+            {
+                Id = model.Id,
+                MaterialName = model.MaterialName,
+                Quantity = model.Quantity
+            };
+        }
+        public static string CreateCommand(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO material(name, quantity) VALUES(\'{model.MaterialName}\', {model.Quantity});";
+        }
+        public static string UpdateCommand(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"UPDATE material SET \"name\" = \'{model.MaterialName}\', quantity = {model.Quantity} WHERE id = {model.Id}";
+        }
+        public static string DeleteCommand(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM material WHERE id = {model.Id}";
+        }
+
+        public static string GetEmployeeCommand(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"SELECT e.id FROM employee e JOIN employee_order ON employee_order.employee_id = e.id JOIN \"order\" ON \"order\".id = employee_order.order_id JOIN material_order ON material_order.order_id = \"order\".id JOIN material mat ON mat.id = material_order.material_id WHERE mat.id = {model.Id};";
+        }
+        public void Update(MaterialBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            MaterialName = model.MaterialName;
+            Quantity = model.Quantity;
+        }
+
+        public BsonDocument CreateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"materialName", $"{MaterialName}"},
+                {"quantity", $"{Quantity}" }
+            };
+
+        public BsonDocument UpdateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"materialName", $"{MaterialName}"},
+                {"quantity", $"{Quantity}" }
+            };
+        
+
+        public MaterialViewModel GetViewModel => new()
+        {
+            Id = Id,
+            MaterialName = MaterialName,
+            Quantity = Quantity
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/MaterialOrder.cs

@@ -0,0 +1,67 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class MaterialOrder : IMaterialOrderModel
+    {
+        public int MaterialId { get; set; }
+        public int OrderId { get; set; }
+        public int Quantity { get; set; }
+        public Material Material { get; set; } = new();
+        public Order Order { get; set; } = new();
+        public static MaterialOrder? Create(MaterialOrderBindingModel? model, List<Material> materials, List<Order> orders)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new MaterialOrder()
+            {
+                MaterialId = model.MaterialId,
+                OrderId = model.OrderId,
+                Quantity = model.Quantity,
+                Material = materials.First(x => x.Id == model.MaterialId),
+                Order = orders.First(x => x.Id == model.OrderId),
+            };
+        }
+        public static string CreateCommand(MaterialOrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO material_order(material_id, order_id, quantiny) VALUES({model.MaterialId}, {model.OrderId}, {model.Quantity});";
+        }
+        public static string DeleteCommand(MaterialOrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM material WHERE material_id = {model.MaterialId} AND order_id = {model.OrderId}";
+        }
+
+        public BsonDocument CreateBSON =>
+        new BsonDocument
+        {
+            {"materialId", MaterialId - 1 },
+            {"quantity", Quantity }
+        };
+        public MaterialOrderViewModel GetViewModel => new()
+        {
+            OrderId = OrderId,
+            MaterialId = MaterialId,
+            Quantity = Quantity,
+            OrderAdress = Order.Adress,
+            MaterialName = Material.MaterialName
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/Order.cs

@@ -0,0 +1,128 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Enums;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class Order : IOrderModel
+    {
+        public int Id { get; private set; }
+        public string Description { get; private set; } = string.Empty;
+        public string Adress { get; private set; } = string.Empty;
+        public string CustomerNumber { get; private set; } = string.Empty;
+        public double Price { get; private set; }
+
+        public OrderStatus Status { get; private set; }
+
+        public DateTime DateBegin { get; private set; }
+
+        public DateTime? DateEnd { get; private set; }
+
+        public static Order? Create(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Order()
+            {
+                Id = model.Id,
+                Description = model.Description,
+                Adress = model.Adress,
+                CustomerNumber = model.CustomerNumber,
+                Price = model.Price,
+                Status = model.Status,
+                DateBegin = model.DateBegin,
+                DateEnd = model.DateEnd,
+            };
+        }
+        public void Update(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            if (model.DateEnd.HasValue) DateEnd = model.DateEnd;
+        }
+        public static string CreateCommand(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO \"order\"(description, adress, price, status, " +
+                $"customer_number, date_begin, date_end) VALUES(\'{model.Description}\', \'{model.Adress}\', {model.Price}, " +
+                $"\'{model.Status}\', \'{model.CustomerNumber}\', \'{model.DateBegin}\', " +
+                $"{(model.DateEnd.HasValue ? $"\'{model.DateEnd}\'" : "null")});";
+        }
+        public static string UpdateCommand(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"UPDATE \"order\" SET status = \'{model.Status}\', date_end = {(model.DateEnd.HasValue ? $"\'{model.DateEnd}\'" : "null")} " +
+                $"WHERE id = {model.Id}";
+
+        }
+        public static string DeleteCommand(OrderBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM \"order\" WHERE id = {model.Id}";
+        }
+
+        public BsonDocument CreateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id},
+                {"description", $"{Description}"},
+                {"adress", $"{Adress}"},
+                {"price", Price},
+                {"status", $"{Status}"},
+                {"customerNumber", $"{CustomerNumber}"},
+                {"dateBegin", new BsonDateTime(DateBegin)},
+                {"dateEnd", DateEnd.HasValue ? new BsonDateTime(DateEnd.Value) : ""},
+                {"employeesId", new BsonArray() },
+                {"materials", new BsonArray()}
+            };
+
+        public BsonDocument UpdateBSON(BsonArray employeesId, BsonArray materials) =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"description", $"{Description}"},
+                {"adress", $"{Adress}"},
+                {"price", Price},
+                {"status", $"{Status}"},
+                {"customerNumber", $"{CustomerNumber}"},
+                {"dateBegin", new BsonDateTime(DateBegin)},
+                {"dateEnd", DateEnd.HasValue ? new BsonDateTime(DateEnd.Value) : ""},
+                {"employeesId", employeesId },
+                {"materials", materials}
+            };
+
+        public OrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Description = Description,
+            Adress = Adress,
+            CustomerNumber = CustomerNumber,
+            Price = Price,
+            Status = Status,
+            DateBegin = DateBegin,
+            DateEnd = DateEnd
+        };
+
+    }
+}

ConstructionCompany/ConstructionCompanyPsqlImplement/Models/Position.cs

@@ -0,0 +1,96 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyDataModels.Models;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ConstructionCompanyPsqlImplement.Models
+{
+    public class Position : IPositionModel
+    {
+        public string PositionName { get; private set; } = string.Empty;
+
+        public double Salary { get; set; }
+
+        public int Id { get; private set; }
+
+        public static Position? Create(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Position()
+            {
+                Id = model.Id,
+                PositionName = model.PositionName,
+                Salary = model.Salary
+            };
+        }
+        public void Update(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            PositionName = model.PositionName;
+            Salary = model.Salary;
+        }
+        public static string CreateCommand(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"INSERT INTO position(name, salary) VALUES(\'{model.PositionName}\', {model.Salary});";
+        }
+        public static string UpdateCommand(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"UPDATE position SET \"name\" = \'{model.PositionName}\', salary = {model.Salary} WHERE id = {model.Id}";
+        }
+        public static string DeleteCommand(PositionBindingModel? model)
+        {
+            if (model == null)
+            {
+                return "";
+            }
+            return $"DELETE FROM postition WHERE id = {model.Id}";
+        }
+
+        public static string PositionsAVGCommnad(DateTime dateFrom, DateTime dateTo)
+        {
+            return $"SELECT \"position\".id, AVG(material_order.quantiny) FROM \"position\"\r\nJOIN employee ON employee.position_id = \"position\".id\r\nJOIN employee_order ON employee_order.employee_id = employee.id\r\nJOIN \"order\" ON \"order\".id = employee_order.order_id\r\nJOIN material_order ON material_order.order_id = \"order\".id\r\nJOIN material ON material.id = material_order.material_id\r\nWHERE \"order\".date_begin >= '{dateFrom}' AND \"order\".date_begin <= '{dateTo}'\r\nGROUP BY \"position\".id";
+        }
+
+        public BsonDocument CreateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"PositionName", $"{PositionName}"},
+                {"Salary", $"{Salary}" }
+            };
+
+        public BsonDocument UpdateBSON =>
+            new BsonDocument
+            {
+                {"_id", Id - 1},
+                {"PositionName", $"{PositionName}"},
+                {"Salary", $"{Salary}" }
+            };
+
+        public PositionViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PositionName = PositionName,
+            Salary = Salary
+        };
+    }
+}

ConstructionCompany/ConstructionCompanyView/App.config

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <configSections>
+        <sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
+            <section name="ConstructionCompanyView.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+            <section name="ConstructionCompanyView.Settings" type="System.Configuration.ClientSettingsSection, System, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
+        </sectionGroup>
+    </configSections>
+    <userSettings>
+        <ConstructionCompanyView.Properties.Settings>
+            <setting name="bdType" serializeAs="String">
+                <value>postgres</value>
+            </setting>
+        </ConstructionCompanyView.Properties.Settings>
+        <ConstructionCompanyView.Settings>
+            <setting name="bdType" serializeAs="String">
+                <value>postgres</value>
+            </setting>
+        </ConstructionCompanyView.Settings>
+    </userSettings>
+</configuration>

ConstructionCompany/ConstructionCompanyView/ConstructionCompanyView.csproj

@@ -8,4 +8,61 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <None Remove="Logos\warehouseLogo.png" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="7.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="7.0.0" />
+    <PackageReference Include="NLog" Version="5.1.3" />
+    <PackageReference Include="NLog.Config" Version="4.7.15" />
+    <PackageReference Include="NLog.Extensions.Logging" Version="5.2.3" />
+    <PackageReference Include="NLog.Schema" Version="5.1.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ConstructionCompanyBusiness\ConstructionCompanyBusinessLogic.csproj" />
+    <ProjectReference Include="..\ConstructionCompanyContracts\ConstructionCompanyContracts.csproj" />
+    <ProjectReference Include="..\ConstructionCompanyMongoDBImplement\ConstructionCompanyMongoDBImplement.csproj" />
+    <ProjectReference Include="..\ConstructionCompanyPsqlImplement\ConstructionCompanyPsqlImplement.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="Logos\warehouseLogo.png">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </EmbeddedResource>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Compile Update="Properties\Resources.Designer.cs">
+      <DesignTime>True</DesignTime>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <Compile Update="Properties\Settings.Designer.cs">
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+    </Compile>
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Update="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="nlogConstruction.config">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Update="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+
 </Project>

ConstructionCompany/ConstructionCompanyView/Form1.Designer.cs

@@ -1,39 +0,0 @@
-namespace ConstructionCompanyView
-{
-    partial class Form1
-    {
-        /// <summary>
-        ///  Required designer variable.
-        /// </summary>
-        private System.ComponentModel.IContainer components = null;
-
-        /// <summary>
-        ///  Clean up any resources being used.
-        /// </summary>
-        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
-        protected override void Dispose(bool disposing)
-        {
-            if (disposing && (components != null))
-            {
-                components.Dispose();
-            }
-            base.Dispose(disposing);
-        }
-
-        #region Windows Form Designer generated code
-
-        /// <summary>
-        ///  Required method for Designer support - do not modify
-        ///  the contents of this method with the code editor.
-        /// </summary>
-        private void InitializeComponent()
-        {
-            this.components = new System.ComponentModel.Container();
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(800, 450);
-            this.Text = "Form1";
-        }
-
-        #endregion
-    }
-}

ConstructionCompany/ConstructionCompanyView/Form1.cs

@@ -1,10 +0,0 @@
-namespace ConstructionCompanyView
-{
-    public partial class Form1 : Form
-    {
-        public Form1()
-        {
-            InitializeComponent();
-        }
-    }
-}

ConstructionCompany/ConstructionCompanyView/FormBrigadeMenu.Designer.cs

@@ -0,0 +1,108 @@
+namespace ConstructionCompanyView
+{
+    partial class FormBrigadeMenu
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
+            this.сотрудникиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.должностиToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.назначитьНаЗаказToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.отчётПоДолжностямToolStripMenuItem = new System.Windows.Forms.ToolStripMenuItem();
+            this.menuStrip1.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // menuStrip1
+            // 
+            this.menuStrip1.ImageScalingSize = new System.Drawing.Size(20, 20);
+            this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
+            this.сотрудникиToolStripMenuItem,
+            this.должностиToolStripMenuItem,
+            this.назначитьНаЗаказToolStripMenuItem,
+            this.отчётПоДолжностямToolStripMenuItem});
+            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
+            this.menuStrip1.Name = "menuStrip1";
+            this.menuStrip1.Size = new System.Drawing.Size(645, 28);
+            this.menuStrip1.TabIndex = 0;
+            this.menuStrip1.Text = "menuStrip1";
+            // 
+            // сотрудникиToolStripMenuItem
+            // 
+            this.сотрудникиToolStripMenuItem.Name = "сотрудникиToolStripMenuItem";
+            this.сотрудникиToolStripMenuItem.Size = new System.Drawing.Size(105, 24);
+            this.сотрудникиToolStripMenuItem.Text = "Сотрудники";
+            this.сотрудникиToolStripMenuItem.Click += new System.EventHandler(this.сотрудникиToolStripMenuItem_Click);
+            // 
+            // должностиToolStripMenuItem
+            // 
+            this.должностиToolStripMenuItem.Name = "должностиToolStripMenuItem";
+            this.должностиToolStripMenuItem.Size = new System.Drawing.Size(101, 24);
+            this.должностиToolStripMenuItem.Text = "Должности";
+            this.должностиToolStripMenuItem.Click += new System.EventHandler(this.должностиToolStripMenuItem_Click);
+            // 
+            // назначитьНаЗаказToolStripMenuItem
+            // 
+            this.назначитьНаЗаказToolStripMenuItem.Name = "назначитьНаЗаказToolStripMenuItem";
+            this.назначитьНаЗаказToolStripMenuItem.Size = new System.Drawing.Size(159, 24);
+            this.назначитьНаЗаказToolStripMenuItem.Text = "Назначить на заказ";
+            this.назначитьНаЗаказToolStripMenuItem.Click += new System.EventHandler(this.назначитьНаЗаказToolStripMenuItem_Click);
+            // 
+            // отчётПоДолжностямToolStripMenuItem
+            // 
+            this.отчётПоДолжностямToolStripMenuItem.Name = "отчётПоДолжностямToolStripMenuItem";
+            this.отчётПоДолжностямToolStripMenuItem.Size = new System.Drawing.Size(174, 24);
+            this.отчётПоДолжностямToolStripMenuItem.Text = "Отчёт по должностям";
+            this.отчётПоДолжностямToolStripMenuItem.Click += new System.EventHandler(this.отчётПоДолжностямToolStripMenuItem_Click);
+            // 
+            // FormBrigadeMenu
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackgroundImage = global::ConstructionCompanyView.Properties.Resources.users_viewfinder_solid;
+            this.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Stretch;
+            this.ClientSize = new System.Drawing.Size(645, 352);
+            this.Controls.Add(this.menuStrip1);
+            this.DoubleBuffered = true;
+            this.MainMenuStrip = this.menuStrip1;
+            this.Name = "FormBrigadeMenu";
+            this.Text = "Бригадир";
+            this.menuStrip1.ResumeLayout(false);
+            this.menuStrip1.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private MenuStrip menuStrip1;
+        private ToolStripMenuItem сотрудникиToolStripMenuItem;
+        private ToolStripMenuItem должностиToolStripMenuItem;
+        private ToolStripMenuItem назначитьНаЗаказToolStripMenuItem;
+        private ToolStripMenuItem отчётПоДолжностямToolStripMenuItem;
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormBrigadeMenu.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConstructionCompanyView
+{
+    public partial class FormBrigadeMenu : Form
+    {
+        public FormBrigadeMenu()
+        {
+            InitializeComponent();
+        }
+
+        private void сотрудникиToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormEmployees));
+            if (service is FormEmployees form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void назначитьНаЗаказToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormEmployeeOrders));
+            if (service is FormEmployeeOrders form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void должностиToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormPositions));
+            if (service is FormPositions form)
+            {
+                form.ShowDialog();
+            }
+        }
+
+        private void отчётПоДолжностямToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            var service = Program.ServiceProvider?.GetService(typeof(FormBrigadeReport));
+            if (service is FormBrigadeReport form)
+            {
+                form.ShowDialog();
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormBrigadeMenu.resx

@@ -0,0 +1,63 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+</root>

ConstructionCompany/ConstructionCompanyView/FormBrigadeReport.Designer.cs

@@ -0,0 +1,134 @@
+namespace ConstructionCompanyView
+{
+    partial class FormBrigadeReport
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.label1 = new System.Windows.Forms.Label();
+            this.buttonShow = new System.Windows.Forms.Button();
+            this.dataGridView = new System.Windows.Forms.DataGridView();
+            this.dateTimePickerFrom = new System.Windows.Forms.DateTimePicker();
+            this.dateTimePickerTo = new System.Windows.Forms.DateTimePicker();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label3 = new System.Windows.Forms.Label();
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 9);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(0, 20);
+            this.label1.TabIndex = 19;
+            // 
+            // buttonShow
+            // 
+            this.buttonShow.Location = new System.Drawing.Point(12, 72);
+            this.buttonShow.Name = "buttonShow";
+            this.buttonShow.Size = new System.Drawing.Size(134, 29);
+            this.buttonShow.TabIndex = 18;
+            this.buttonShow.Text = "Посчитать";
+            this.buttonShow.UseVisualStyleBackColor = true;
+            this.buttonShow.Click += new System.EventHandler(this.buttonShow_Click);
+            // 
+            // dataGridView
+            // 
+            this.dataGridView.BackgroundColor = System.Drawing.Color.White;
+            this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            this.dataGridView.Location = new System.Drawing.Point(12, 107);
+            this.dataGridView.MultiSelect = false;
+            this.dataGridView.Name = "dataGridView";
+            this.dataGridView.RowHeadersVisible = false;
+            this.dataGridView.RowHeadersWidth = 51;
+            this.dataGridView.RowTemplate.Height = 29;
+            this.dataGridView.SelectionMode = System.Windows.Forms.DataGridViewSelectionMode.FullRowSelect;
+            this.dataGridView.Size = new System.Drawing.Size(680, 366);
+            this.dataGridView.TabIndex = 20;
+            // 
+            // dateTimePickerFrom
+            // 
+            this.dateTimePickerFrom.Location = new System.Drawing.Point(12, 39);
+            this.dateTimePickerFrom.Name = "dateTimePickerFrom";
+            this.dateTimePickerFrom.Size = new System.Drawing.Size(218, 27);
+            this.dateTimePickerFrom.TabIndex = 21;
+            // 
+            // dateTimePickerTo
+            // 
+            this.dateTimePickerTo.Location = new System.Drawing.Point(263, 39);
+            this.dateTimePickerTo.Name = "dateTimePickerTo";
+            this.dateTimePickerTo.Size = new System.Drawing.Size(222, 27);
+            this.dateTimePickerTo.TabIndex = 22;
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 9);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(18, 20);
+            this.label2.TabIndex = 23;
+            this.label2.Text = "C";
+            // 
+            // label3
+            // 
+            this.label3.AutoSize = true;
+            this.label3.Location = new System.Drawing.Point(263, 9);
+            this.label3.Name = "label3";
+            this.label3.Size = new System.Drawing.Size(29, 20);
+            this.label3.TabIndex = 24;
+            this.label3.Text = "По";
+            // 
+            // FormBrigadeReport
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(704, 485);
+            this.Controls.Add(this.label3);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.dateTimePickerTo);
+            this.Controls.Add(this.dateTimePickerFrom);
+            this.Controls.Add(this.dataGridView);
+            this.Controls.Add(this.label1);
+            this.Controls.Add(this.buttonShow);
+            this.Name = "FormBrigadeReport";
+            this.Text = "Отчёт по использованию материалов должностями с датой";
+            ((System.ComponentModel.ISupportInitialize)(this.dataGridView)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+        private Label label1;
+        private Button buttonShow;
+        private DataGridView dataGridView;
+        private DateTimePicker dateTimePickerFrom;
+        private DateTimePicker dateTimePickerTo;
+        private Label label2;
+        private Label label3;
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormBrigadeReport.cs

@@ -0,0 +1,51 @@
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Diagnostics;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConstructionCompanyView
+{
+    public partial class FormBrigadeReport : Form
+    {
+        public IPositionLogic _logic;
+        public FormBrigadeReport(IPositionLogic logic)
+        {
+            InitializeComponent();
+            _logic = logic;
+        }
+
+        private void buttonShow_Click(object sender, EventArgs e)
+        {
+            if (dateTimePickerFrom.Value.Date > dateTimePickerTo.Value.Date)
+            {
+                MessageBox.Show("Неверно выбраны даты!");
+                return;
+            }
+            try
+            {
+                Stopwatch stopwatch = new Stopwatch();
+                stopwatch.Start();
+                var list = _logic.ReadPositionsAverage(dateTimePickerFrom.Value.Date, dateTimePickerTo.Value.Date).OrderBy(x => x.PositionId).ToList();
+                stopwatch.Stop();
+                MessageBox.Show(stopwatch.ElapsedMilliseconds.ToString(), "Результат среднего по должностям. Время:");
+                if (list != null)
+                {
+                    dataGridView.DataSource = list;
+                    dataGridView.Columns["PositionId"].Visible = false;
+                    dataGridView.Columns["PositionName"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormBrigadeReport.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ConstructionCompany/ConstructionCompanyView/FormEmployee.Designer.cs

@@ -0,0 +1,120 @@
+namespace ConstructionCompanyView
+{
+    partial class FormEmployee
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonCreate = new System.Windows.Forms.Button();
+            this.textBoxName = new System.Windows.Forms.TextBox();
+            this.label1 = new System.Windows.Forms.Label();
+            this.label2 = new System.Windows.Forms.Label();
+            this.comboBoxPosition = new System.Windows.Forms.ComboBox();
+            this.SuspendLayout();
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(307, 117);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 9;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonCreate
+            // 
+            this.buttonCreate.Location = new System.Drawing.Point(202, 117);
+            this.buttonCreate.Name = "buttonCreate";
+            this.buttonCreate.Size = new System.Drawing.Size(94, 29);
+            this.buttonCreate.TabIndex = 8;
+            this.buttonCreate.Text = "Создать";
+            this.buttonCreate.UseVisualStyleBackColor = true;
+            this.buttonCreate.Click += new System.EventHandler(this.buttonCreate_Click);
+            // 
+            // textBoxName
+            // 
+            this.textBoxName.Location = new System.Drawing.Point(135, 6);
+            this.textBoxName.Name = "textBoxName";
+            this.textBoxName.Size = new System.Drawing.Size(276, 27);
+            this.textBoxName.TabIndex = 7;
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 9);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(42, 20);
+            this.label1.TabIndex = 6;
+            this.label1.Text = "ФИО";
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 43);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(86, 20);
+            this.label2.TabIndex = 10;
+            this.label2.Text = "Должность";
+            // 
+            // comboBoxPosition
+            // 
+            this.comboBoxPosition.FormattingEnabled = true;
+            this.comboBoxPosition.Location = new System.Drawing.Point(135, 40);
+            this.comboBoxPosition.Name = "comboBoxPosition";
+            this.comboBoxPosition.Size = new System.Drawing.Size(276, 28);
+            this.comboBoxPosition.TabIndex = 11;
+            // 
+            // FormEmployee
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(423, 165);
+            this.Controls.Add(this.comboBoxPosition);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonCreate);
+            this.Controls.Add(this.textBoxName);
+            this.Controls.Add(this.label1);
+            this.Name = "FormEmployee";
+            this.Text = "Сотрудник";
+            this.Load += new System.EventHandler(this.FormEmployee_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Button buttonCancel;
+        private Button buttonCreate;
+        private TextBox textBoxName;
+        private Label label1;
+        private Label label2;
+        private ComboBox comboBoxPosition;
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormEmployee.cs

@@ -0,0 +1,110 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConstructionCompanyView
+{
+    public partial class FormEmployee : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IPositionLogic _position;
+        private readonly IEmployeeLogic _employee;
+        private List<PositionViewModel>? _list;
+        private int? _id;
+        public int Id { set { _id = value; } }
+        public FormEmployee(ILogger<FormEmployee> logger, IPositionLogic position, IEmployeeLogic employee)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _position = position;
+            _employee = employee;
+        }
+
+        private void FormEmployee_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка материалов для заказа");
+            _list = _position.ReadList(null);
+            if (_list != null)
+            {
+                comboBoxPosition.DisplayMember = "PositionName";
+                comboBoxPosition.ValueMember = "Id";
+                comboBoxPosition.DataSource = _list;
+                comboBoxPosition.SelectedItem = null;
+            }
+            if (_id.HasValue)
+            {
+                try
+                {
+                    _logger.LogInformation("Получение материала");
+                    var view = _employee.ReadElement(new EmployeeSearchModel { Id = _id.Value });
+                    if (view != null)
+                    {
+                        textBoxName.Text = view.EmployeeName;
+                        comboBoxPosition.SelectedValue = view.PositionID;
+                    }
+                }
+                catch (Exception ex)
+                {
+                    _logger.LogError(ex, "Ошибка получения материала");
+                    MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                }
+            }
+        }
+
+        private void buttonCreate_Click(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(textBoxName.Text))
+            {
+                MessageBox.Show("Заполните ФИО", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxPosition.SelectedValue == null)
+            {
+                MessageBox.Show("Выбирете должность", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            _logger.LogInformation("Сохранение материала");
+            try
+            {
+                var model = new EmployeeBindingModel
+                {
+                    Id = _id ?? 0,
+                    EmployeeName = textBoxName.Text,
+                    PositionID = Convert.ToInt32(comboBoxPosition.SelectedValue)
+                };
+                var operationResult = _id.HasValue ? _employee.Update(model) : _employee.Create(model);
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения компонента");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormEmployee.resx

@@ -0,0 +1,60 @@
+<root>
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

ConstructionCompany/ConstructionCompanyView/FormEmployeeOrder.Designer.cs

@@ -0,0 +1,121 @@
+namespace ConstructionCompanyView
+{
+    partial class FormEmployeeOrder
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.buttonCancel = new System.Windows.Forms.Button();
+            this.buttonCreate = new System.Windows.Forms.Button();
+            this.comboBoxOrder = new System.Windows.Forms.ComboBox();
+            this.comboBoxEmployee = new System.Windows.Forms.ComboBox();
+            this.label2 = new System.Windows.Forms.Label();
+            this.label1 = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // buttonCancel
+            // 
+            this.buttonCancel.Location = new System.Drawing.Point(296, 115);
+            this.buttonCancel.Name = "buttonCancel";
+            this.buttonCancel.Size = new System.Drawing.Size(94, 29);
+            this.buttonCancel.TabIndex = 13;
+            this.buttonCancel.Text = "Отмена";
+            this.buttonCancel.UseVisualStyleBackColor = true;
+            this.buttonCancel.Click += new System.EventHandler(this.buttonCancel_Click);
+            // 
+            // buttonCreate
+            // 
+            this.buttonCreate.Location = new System.Drawing.Point(142, 115);
+            this.buttonCreate.Name = "buttonCreate";
+            this.buttonCreate.Size = new System.Drawing.Size(94, 29);
+            this.buttonCreate.TabIndex = 12;
+            this.buttonCreate.Text = "Отправить";
+            this.buttonCreate.UseVisualStyleBackColor = true;
+            this.buttonCreate.Click += new System.EventHandler(this.buttonCreate_Click);
+            // 
+            // comboBoxOrder
+            // 
+            this.comboBoxOrder.FormattingEnabled = true;
+            this.comboBoxOrder.Location = new System.Drawing.Point(142, 9);
+            this.comboBoxOrder.Name = "comboBoxOrder";
+            this.comboBoxOrder.Size = new System.Drawing.Size(248, 28);
+            this.comboBoxOrder.TabIndex = 11;
+            // 
+            // comboBoxEmployee
+            // 
+            this.comboBoxEmployee.FormattingEnabled = true;
+            this.comboBoxEmployee.Location = new System.Drawing.Point(142, 55);
+            this.comboBoxEmployee.Name = "comboBoxEmployee";
+            this.comboBoxEmployee.Size = new System.Drawing.Size(248, 28);
+            this.comboBoxEmployee.TabIndex = 10;
+            // 
+            // label2
+            // 
+            this.label2.AutoSize = true;
+            this.label2.Location = new System.Drawing.Point(12, 55);
+            this.label2.Name = "label2";
+            this.label2.Size = new System.Drawing.Size(85, 20);
+            this.label2.TabIndex = 9;
+            this.label2.Text = "Сотрудник:";
+            // 
+            // label1
+            // 
+            this.label1.AutoSize = true;
+            this.label1.Location = new System.Drawing.Point(12, 9);
+            this.label1.Name = "label1";
+            this.label1.Size = new System.Drawing.Size(50, 20);
+            this.label1.TabIndex = 8;
+            this.label1.Text = "Заказ:";
+            // 
+            // FormEmployeeOrder
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(8F, 20F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(436, 159);
+            this.Controls.Add(this.buttonCancel);
+            this.Controls.Add(this.buttonCreate);
+            this.Controls.Add(this.comboBoxOrder);
+            this.Controls.Add(this.comboBoxEmployee);
+            this.Controls.Add(this.label2);
+            this.Controls.Add(this.label1);
+            this.Name = "FormEmployeeOrder";
+            this.Text = "Отправка на заказ";
+            this.Load += new System.EventHandler(this.FormEmployeeOrder_Load);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private Button buttonCancel;
+        private Button buttonCreate;
+        private ComboBox comboBoxOrder;
+        private ComboBox comboBoxEmployee;
+        private Label label2;
+        private Label label1;
+    }
+}

ConstructionCompany/ConstructionCompanyView/FormEmployeeOrder.cs

@@ -0,0 +1,99 @@
+using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.BusinessLogicContracts;
+using ConstructionCompanyContracts.SearchModels;
+using ConstructionCompanyContracts.ViewModels;
+using ConstructionCompanyPsqlImplement.Models;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Data;
+using System.Drawing;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Forms;
+
+namespace ConstructionCompanyView
+{
+    public partial class FormEmployeeOrder : Form
+    {
+        private readonly ILogger _logger;
+        private readonly IOrderLogic _order;
+        private readonly IEmployeeLogic _employee;
+        private readonly IEmployeeOrderLogic _employeeOrder;
+        private List<EmployeeViewModel>? _listE;
+        private List<OrderViewModel>? _listO;
+        public FormEmployeeOrder(ILogger<FormEmployeeOrder> logger, IOrderLogic order, IEmployeeLogic employee, IEmployeeOrderLogic employeeOrder)
+        {
+            InitializeComponent();
+            _logger = logger;
+            _order = order;
+            _employee = employee;
+            _employeeOrder = employeeOrder;
+        }
+
+        private void FormEmployeeOrder_Load(object sender, EventArgs e)
+        {
+            _logger.LogInformation("Загрузка материалов для заказа");
+            _listE = _employee.ReadList(null);
+            if (_listE != null)
+            {
+                comboBoxEmployee.DisplayMember = "EmployeeName";
+                comboBoxEmployee.ValueMember = "Id";
+                comboBoxEmployee.DataSource = _listE;
+                comboBoxEmployee.SelectedItem = null;
+            }
+            _listO = _order.ReadList(null);
+            if (_listO != null)
+            {
+                comboBoxOrder.DisplayMember = "Adress";
+                comboBoxOrder.ValueMember = "Id";
+                comboBoxOrder.DataSource = _listO;
+                comboBoxOrder.SelectedItem = null;
+            }
+        }
+
+        private void buttonCancel_Click(object sender, EventArgs e)
+        {
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void buttonCreate_Click(object sender, EventArgs e)
+        {
+            if (comboBoxOrder.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите заказ", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            if (comboBoxEmployee.SelectedValue == null)
+            {
+                MessageBox.Show("Выберите материал", "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                return;
+            }
+            try
+            {
+                var model = new EmployeeOrderBindingModel
+                {
+                    EmployeeId = Convert.ToInt32(comboBoxEmployee.SelectedValue),
+                    OrderId = Convert.ToInt32(comboBoxOrder.SelectedValue),
+                };
+                var operationResult = _employeeOrder.Create(model);
+                if (!operationResult)
+                {
+                    throw new Exception("Ошибка при сохранении. Дополнительная информация в логах.");
+                }
+                MessageBox.Show("Сохранение прошло успешно", "Сообщение", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Ошибка сохранения компонента");
+                MessageBox.Show(ex.Message, "Ошибка", MessageBoxButtons.OK, MessageBoxIcon.Error);
+            }
+        }
+    }
+}