add businessLogic

Canteen/Canteen.sln

@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CanteenContracts", "Canteen
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CanteenDatabaseImplement", "CanteenDatabaseImplement\CanteenDatabaseImplement.csproj", "{3B63A55E-B35A-4720-B784-014E52A33112}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CanteenBusinessLogic", "CanteenBusinessLogic\CanteenBusinessLogic.csproj", "{C5D61A2C-831A-4E4F-921F-247E8E5590EE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{3B63A55E-B35A-4720-B784-014E52A33112}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3B63A55E-B35A-4720-B784-014E52A33112}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3B63A55E-B35A-4720-B784-014E52A33112}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C5D61A2C-831A-4E4F-921F-247E8E5590EE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C5D61A2C-831A-4E4F-921F-247E8E5590EE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C5D61A2C-831A-4E4F-921F-247E8E5590EE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C5D61A2C-831A-4E4F-921F-247E8E5590EE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Canteen/CanteenBusinessLogic/BusinessLogics/CookLogic.cs

@@ -0,0 +1,136 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class CookLogic : ICookLogic
+    {
+        private readonly ILogger _logger;
+        private readonly ICookStorage _cookStorage;
+
+        public CookLogic(ILogger<CookLogic> logger, ICookStorage cookStorage)
+        {
+            _logger = logger;
+            _cookStorage = cookStorage;
+        }
+
+        public bool Create(CookBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_cookStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(CookBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_cookStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public CookViewModel? ReadElement(CookSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. FIO: {FIO}. Id: {Id}", model.FIO, model.Id);
+
+            var element = _cookStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
+            return element;
+        }
+
+        public List<CookViewModel>? ReadList(CookSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. FIO: {FIO}. Id: {Id}", model?.FIO, model?.Id);
+
+            var list = model == null ? _cookStorage.GetFullList() : _cookStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(CookBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_cookStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(CookBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет ФИО у повара", nameof(model.FIO));
+            }
+
+            if (model.ManagerId <= 0)
+            {
+                throw new ArgumentNullException("id менеджера должен дыть больше 0", nameof(model.ManagerId));
+            }
+
+            if (string.IsNullOrEmpty(model.Position))
+            {
+                throw new ArgumentNullException("У повара нет должности", nameof(model.Position));
+            }
+
+            _logger.LogInformation("Cook. FIO: {FIO}. ManagerId: {ManagerId}. Position: {Position}. Id: {Id}", model.FIO, model.ManagerId, model.Position, model.Id);
+
+            var element = _cookStorage.GetElement(new CookSearchModel { Id = model.Id });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такой повар уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/DishLogic.cs

@@ -0,0 +1,137 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class DishLogic : IDishLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IDishStorage _dishStorage;
+
+        public DishLogic(ILogger<DishLogic> logger, IDishStorage dishStorage)
+        {
+            _logger = logger;
+            _dishStorage = dishStorage;
+        }
+
+        public List<DishViewModel>? ReadList(DishSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. DishName: {DishName}. Id: {Id}", model?.DishName, model?.Id);
+
+            var list = model == null ? _dishStorage.GetFullList() : _dishStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public DishViewModel? ReadElement(DishSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. DishName: {DishName}. Id: {Id}", model.DishName, model.Id);
+
+            var element = _dishStorage.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(DishBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_dishStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Update(DishBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_dishStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(DishBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_dishStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        private void CheckModel(DishBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.DishName))
+            {
+                throw new ArgumentNullException("Нет названия блюда", nameof(model.DishName));
+            }
+
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена блюда должна быть больше 0", nameof(model.Price));
+            }
+
+            if (model.ManagerId <= 0)
+            {
+                throw new ArgumentNullException("id менеджера должен быть больше 0", nameof(model.ManagerId));
+            }
+
+            _logger.LogInformation("Dish. DishName: {DishName}. Price: {Price}. ManagerId: {ManagerId}. Id: {Id}", model.DishName, model.Price, model.ManagerId, model.Id);
+
+            var element = _dishStorage.GetElement(new DishSearchModel { DishName = model.DishName });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Блюдо с таким названием уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/LunchLogic.cs

@@ -0,0 +1,208 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using CanteenDataModels.Enums;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class LunchLogic : ILunchLogic
+    {
+        private readonly ILogger _logger;
+        private readonly ILunchStorage _lunchStorage;
+
+        public LunchLogic(ILogger<LunchLogic> logger, ILunchStorage lunchStorage)
+        {
+            _logger = logger;
+            _lunchStorage = lunchStorage;
+        }
+
+        public List<LunchViewModel>? ReadList(LunchSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Id: {Id}", model?.Id);
+
+            var list = model == null ? _lunchStorage.GetFullList() : _lunchStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public LunchViewModel? ReadElement(LunchSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. Id: {Id}", model.Id);
+
+            var element = _lunchStorage.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(LunchBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_lunchStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Update(LunchBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_lunchStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(LunchBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_lunchStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        private void CheckModel(LunchBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.LunchName))
+            {
+                throw new ArgumentNullException("Нет названия обеда", nameof(model.LunchName));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен быть больше 0", nameof(model.VisitorId));
+            }
+
+            _logger.LogInformation("Lunch. LunchName: {LunchName}. Sum: {Sum}. VisitorId: {VisitorId}. Id: {Id}", model.LunchName, model.Sum, model.VisitorId, model.Id);
+
+            var element = _lunchStorage.GetElement(new LunchSearchModel { Id = model.Id });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Обед с таким id уже есть");
+            }
+        }
+
+        public bool Finish(LunchBindingModel model)
+        {
+            CheckModel(model, false);
+
+            if (_lunchStorage.GetElement(new LunchSearchModel { Id = model.Id })?.Status != LunchStatus.Создан)
+            {
+                _logger.LogWarning("Invalid lunch status");
+                return false;
+            }
+
+            model.Status = LunchStatus.Окончен;
+            model.DateImplement = DateTime.Now;
+
+            if (_lunchStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+            }
+
+            return true;
+        }
+
+        public bool AddOrder(LunchOrderBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("AddOrder. LunchId: {LunchId}. OrderId: {OrderId}. CountOrder: {CountOrder}", model.OrderId, model.LunchId, model.OrderCount);
+            if (!_lunchStorage.AddOrder(model))
+            {
+                _logger.LogWarning("AddOrder operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(LunchOrderBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (model.OrderId <= 0)
+            {
+                throw new ArgumentNullException("id заказа должен быть больше 0", nameof(model.OrderId));
+            }
+
+            if (model.LunchId <= 0)
+            {
+                throw new ArgumentNullException("id обеда должен быть больше 0", nameof(model.LunchId));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен быть больше 0", nameof(model.VisitorId));
+            }
+
+            if (model.OrderCount <= 0)
+            {
+                throw new ArgumentNullException("количество одного заказа должно быть больше 0", nameof(model.OrderCount));
+            }
+
+            _logger.LogInformation("LunchOrder. OrderId: {OrderId}. LunchId: {LunchId}. VisitorId: {VisitorId}. OrderCount: {OrderCount}", model.OrderId, model.LunchId, model.VisitorId, model.OrderCount);
+
+            var element = _lunchStorage.GetLunchOrderElement(new LunchOrderSearchModel { Id = model.Id, OrderId = model.OrderId, LunchId = model.LunchId });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такая связь уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/ManagerLogic.cs

@@ -0,0 +1,141 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class ManagerLogic : IManagerLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IManagerStorage _managerStorage;
+
+        public ManagerLogic(ILogger<ManagerLogic> logger, IManagerStorage managerStorage)
+        {
+            _logger = logger;
+            _managerStorage = managerStorage;
+        }
+
+        public bool Create(ManagerBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_managerStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(ManagerBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_managerStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public ManagerViewModel? ReadElement(ManagerSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. Login: {Login}. Id: {Id}", model.Login, model.Id);
+
+            var element = _managerStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
+            return element;
+        }
+
+        public List<ManagerViewModel>? ReadList(ManagerSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Login: {Login}. Id: {Id}", model.Login, model.Id);
+
+            var list = model == null ? _managerStorage.GetFullList() : _managerStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(ManagerBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_managerStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(ManagerBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет ФИО у менеджера", nameof(model.FIO));
+            }
+
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина у менеджера", nameof(model.Login));
+            }
+
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля у менеджера", nameof(model.Password));
+            }
+
+            if (string.IsNullOrEmpty(model.PhoneNumber))
+            {
+                throw new ArgumentNullException("У номер телефона у менеджера", nameof(model.PhoneNumber));
+            }
+
+            _logger.LogInformation("Manager. Login: {Login}. Password: {Password}. PhoneNumber: {PhoneNumber}. Id: {Id}", model.Login, model.Password, model.PhoneNumber, model.Id);
+
+            var element = _managerStorage.GetElement(new ManagerSearchModel { Login = model.Login , Password = model.Password});
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такой менеджер уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/OrderLogic.cs

@@ -0,0 +1,238 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.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 bool AddCook(OrderCookBindingModel model)
+        {
+            CheckModel(model);
+            _logger.LogInformation("AddOrder. OrderId: {OrderId}. CookId: {CookId}", model.OrderId, model.CookId);
+            if (!_orderStorage.AddCook(model))
+            {
+                _logger.LogWarning("AddOrder operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool AddTableware(OrderTablewareBindingModel model)
+        {
+            CheckModel(model);
+            _logger.LogInformation("AddTableware. OrderId: {OrderId}. TablewareId: {TablewareId}", model.OrderId, model.TablewareId);
+            if (!_orderStorage.AddTableware(model))
+            {
+                _logger.LogWarning("AddTableware operation failed");
+                return false; 
+            }
+
+            return true;
+        }
+
+        public bool Create(OrderBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_orderStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(OrderBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_orderStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        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 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 bool Update(OrderBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_orderStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            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 описание заказа", nameof(model.Description));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен быть больше 0", nameof(model.VisitorId));
+            }
+
+            if (model.Sum <= 0)
+            {
+                throw new ArgumentNullException("Сумма заказа должна быть больше 0", nameof(model.Sum));
+            }
+
+            _logger.LogInformation("Order. Description: {Description}. Sum: {Sum}. VisitorId: {VisitorId}. Id: {Id}", model.Description, model.Sum, model.VisitorId, model.Id);
+
+            var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.Id });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Заказ с таким id уже есть");
+            }
+        }
+        private void CheckModel(OrderCookBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (model.OrderId <= 0)
+            {
+                throw new ArgumentNullException("id заказа должен быть больше 0", nameof(model.OrderId));
+            }
+
+            if (model.CookId <= 0)
+            {
+                throw new ArgumentNullException("id повара должен быть больше 0", nameof(model.CookId));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен быть больше 0", nameof(model.VisitorId));
+            }
+
+            _logger.LogInformation("OrderCook. OrderId: {OrderId}. CookId: {CookId}. VisitorId: {VisitorId}", model.OrderId, model.CookId, model.VisitorId);
+
+            var element = _orderStorage.GetOrderCookElement(new OrderCookSearchModel { Id = model.Id, OrderId = model.OrderId, CookId = model.CookId });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такая связь уже есть");
+            }
+        }
+        private void CheckModel(OrderTablewareBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (model.OrderId <= 0)
+            {
+                throw new ArgumentNullException("id заказа должен быть больше 0", nameof(model.OrderId));
+            }
+
+            if (model.TablewareId <= 0)
+            {
+                throw new ArgumentNullException("id прибора должен быть больше 0", nameof(model.TablewareId));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен быть больше 0", nameof(model.VisitorId));
+            }
+
+            if (model.CountTablewares <= 0)
+            {
+                throw new ArgumentNullException("количество одного прибора должено быть больше 0", nameof(model.CountTablewares));
+            }
+
+            _logger.LogInformation("OrderTableware. OrderId: {OrderId}. TablewareId: {TablewareId}. VisitorId: {VisitorId}. CountTablewares: {CountTablewares}", model.OrderId, model.TablewareId, model.VisitorId, model.CountTablewares);
+
+            var element = _orderStorage.GetElement(new OrderSearchModel { Id = model.OrderId});
+            if (element != null && element.Id == model.OrderId && element.TablewareId == model.TablewareId)
+            {
+                throw new InvalidOperationException("Такая связь уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/ProductLogic.cs

@@ -0,0 +1,135 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class ProductLogic : IProductLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IProductStorage _productStorage;
+
+        public ProductLogic(ILogger<ProductLogic> logger, IProductStorage productStorage)
+        {
+            _logger = logger;
+            _productStorage = productStorage;
+        }
+        public bool Create(ProductBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_productStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(ProductBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_productStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public ProductViewModel? ReadElement(ProductSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. ProductName: {ProductName}. Id: {Id}", model.ProductName, model.Id);
+
+            var element = _productStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
+            return element;
+        }
+
+        public List<ProductViewModel>? ReadList(ProductSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ProductName: {ProductName}. Id: {Id}", model?.ProductName, model?.Id);
+
+            var list = model == null ? _productStorage.GetFullList() : _productStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(ProductBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_productStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(ProductBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.ProductName))
+            {
+                throw new ArgumentNullException("Нет названия продукта", nameof(model.ProductName));
+            }
+
+            if (model.Price <= 0)
+            {
+                throw new ArgumentNullException("Цена должна быть быть больше 0", nameof(model.Price));
+            }
+
+            if (model.ManagerId <= 0)
+            {
+                throw new ArgumentNullException("id менеджера должен быть больше 0", nameof(model.ManagerId));
+            }
+
+            _logger.LogInformation("Product. ProductName: {ProductName}. Price: {Price}. ManagerId: {ManagerId}. Id: {Id}", model.ProductName, model.Price, model.ManagerId, model.Id);
+
+            var element = _productStorage.GetElement(new ProductSearchModel { ProductName = model.ProductName });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такое продукт уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/TablewareLogic.cs

@@ -0,0 +1,130 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class TablewareLogic : ITablewareLogic
+    {
+        private readonly ILogger _logger;
+        private readonly ITablewareStorage _tablewareStorage;
+
+        public TablewareLogic(ILogger<TablewareLogic> logger, ITablewareStorage tablewareStorage)
+        {
+            _logger = logger;
+            _tablewareStorage = tablewareStorage;
+        }
+        public bool Create(TablewareBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_tablewareStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(TablewareBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_tablewareStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public TablewareViewModel? ReadElement(TablewareSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. TablewareName: {TablewareName}. Id: {Id}", model.TablewareName, model.Id);
+
+            var element = _tablewareStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
+            return element;
+        }
+
+        public List<TablewareViewModel>? ReadList(TablewareSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. TablewareName: {TablewareName}. Id: {Id}", model?.TablewareName, model?.Id);
+
+            var list = model == null ? _tablewareStorage.GetFullList() : _tablewareStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(TablewareBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_tablewareStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(TablewareBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.TablewareName))
+            {
+                throw new ArgumentNullException("Нет названия у прибора", nameof(model.TablewareName));
+            }
+
+            if (model.VisitorId <= 0)
+            {
+                throw new ArgumentNullException("id посетителя должен дыть больше 0", nameof(model.VisitorId));
+            }
+
+            _logger.LogInformation("Tableware. TablewareName: {TablewareName}. VisitorId: {VisitorId}. Id: {Id}", model.TablewareName, model.VisitorId, model.Position, model.Id);
+
+            var element = _tablewareStorage.GetElement(new TablewareSearchModel { TablewareName = model.TablewareName });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такой прибор уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/BusinessLogics/VisitorLogic.cs

@@ -0,0 +1,141 @@
+using CanteenContracts.BindingModels;
+using CanteenContracts.BusinessLogicsContracts;
+using CanteenContracts.SearchModel;
+using CanteenContracts.StoragesContracts;
+using CanteenContracts.View;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenBusinessLogic.BusinessLogics
+{
+    public class VisitorLogic : IVisitorLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IVisitorStorage _visitorStorage;
+
+        public VisitorLogic(ILogger<VisitorLogic> logger, IVisitorStorage visitorStorage)
+        {
+            _logger = logger;
+            _visitorStorage = visitorStorage;
+        }
+
+        public bool Create(VisitorBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_visitorStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(VisitorBindingModel model)
+        {
+            CheckModel(model, false);
+
+            _logger.LogInformation("Delete. Id: {Id}", model.Id);
+            if (_visitorStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public VisitorViewModel? ReadElement(VisitorSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. Login: {Login}. Id: {Id}", model.Login, model.Id);
+
+            var element = _visitorStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement find. Id: {Id}", element.Id);
+            return element;
+        }
+
+        public List<VisitorViewModel>? ReadList(VisitorSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Login: {Login}. Id: {Id}", model.Login, model.Id);
+
+            var list = model == null ? _visitorStorage.GetFullList() : _visitorStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count: {Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(VisitorBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_visitorStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+        private void CheckModel(VisitorBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет ФИО у посетителя", nameof(model.FIO));
+            }
+
+            if (string.IsNullOrEmpty(model.Login))
+            {
+                throw new ArgumentNullException("Нет логина у посетителя", nameof(model.Login));
+            }
+
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля у посетителя", nameof(model.Password));
+            }
+
+            if (string.IsNullOrEmpty(model.PhoneNumber))
+            {
+                throw new ArgumentNullException("У номер телефона у посетителя", nameof(model.PhoneNumber));
+            }
+
+            _logger.LogInformation("Visitor. Login: {Login}. Password: {Password}. PhoneNumber: {PhoneNumber}. Id: {Id}", model.Login, model.Password, model.PhoneNumber, model.Id);
+
+            var element = _visitorStorage.GetElement(new VisitorSearchModel { Login = model.Login, Password = model.Password });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Такой посетитель уже есть");
+            }
+        }
+    }
+}

Canteen/CanteenBusinessLogic/CanteenBusinessLogic.csproj

@@ -0,0 +1,17 @@
+<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="..\CanteenContracts\CanteenContracts.csproj" />
+  </ItemGroup>
+
+</Project>

Canteen/CanteenContracts/BindingModels/LunchBindingModel.cs

@@ -13,8 +13,8 @@ namespace CanteenContracts.BindingModels
         public int Id { get; set; }
         public int VisitorId { get; set; }
         public string LunchName { get; set; } = string.Empty;
-        public double Sum { get; set; }
+        public double Sum { get; set; } = 0;
-        public LunchStatus Status { get; set; }
+        public LunchStatus Status { get; set; } = LunchStatus.Создан;
         public DateTime DateCreate { get; set; } = DateTime.Now;
         public DateTime? DateImplement { get; set; }
         public Dictionary<int, (IProductModel, int)> LunchProducts { get; set; } = new Dictionary<int, (IProductModel, int)>();

Canteen/CanteenContracts/BindingModels/LunchOrderBindingModel.cs

@@ -8,6 +8,7 @@ namespace CanteenContracts.BindingModels
 {
     public class LunchOrderBindingModel
     {
+        public int Id { get; set; }
         public int LunchId { get; set; }
         public int OrderId { get; set; }
         public int OrderCount { get; set; }

Canteen/CanteenContracts/BindingModels/OrderBindingModel.cs

@@ -14,6 +14,8 @@ namespace CanteenContracts.BindingModels
         public int VisitorId { get; set; }
         public string Description { get; set; } = string.Empty;
         public double? Sum { get; set; }
+        public int? TablewareId { get; set; }
+        public int? CountTablewares { get; set; }
         public Dictionary<int, (IDishModel, int)> OrderDishes { get; set; } = new ();
     }
 

Canteen/CanteenContracts/BindingModels/OrderCookBindingModel.cs

@@ -8,9 +8,9 @@ namespace CanteenContracts.BindingModels
 {
     public class OrderCookBindingModel
     {
+        public int Id { get; set; }
         public int OrderId { get; set; }
         public int CookId { get; set; }
-        public int CountOrders { get; set; }
         public int VisitorId { get; set; }
     }
 }

Canteen/CanteenContracts/BusinessLogicsContracts/ILunchLogic.cs

@@ -17,6 +17,6 @@ namespace CanteenContracts.BusinessLogicsContracts
         bool Update(LunchBindingModel model);
         bool Delete(LunchBindingModel model);
         bool Finish(LunchBindingModel model);
-        bool AddOrder(OrderBindingModel model);
+        bool AddOrder(LunchOrderBindingModel model);
     }
 }

Canteen/CanteenContracts/BusinessLogicsContracts/IOrderLogic.cs

@@ -16,7 +16,7 @@ namespace CanteenContracts.BusinessLogicsContracts
         bool Create(OrderBindingModel model);
         bool Delete(OrderBindingModel model);
         bool Update(OrderBindingModel model);
-        bool AddCook(CookBindingModel model);
+        bool AddCook(OrderCookBindingModel model);
-        bool AddTableware(TablewareBindingModel model);
+        bool AddTableware(OrderTablewareBindingModel model);
     }
 }

Canteen/CanteenContracts/CanteenContracts.csproj

@@ -10,9 +10,4 @@
     <ProjectReference Include="..\CanteenDataModels\CanteenDataModels.csproj" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="SearchModels\" />
-    <Folder Include="StoragesContracts\" />
-  </ItemGroup>
-
 </Project>

Canteen/CanteenContracts/SearchModels/LunchOrderSearchModel.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenContracts.SearchModels
+{
+    public class LunchOrderSearchModel
+    {
+        public int? Id { get; set; }
+        public int? LunchId { get; set; }
+        public int? OrderId { get; set; }
+        public int? CountOrders { get; set; }
+    }
+}

Canteen/CanteenContracts/SearchModels/LunchSearchModel.cs

@@ -9,6 +9,7 @@ namespace CanteenContracts.SearchModel
     public class LunchSearchModel
     {
         public int? Id { get; set; }
+        public int? VisitorId { get; set; }
         public DateTime? DateFrom { get; set; }
         public DateTime? DateTo { get; set; }
     }

Canteen/CanteenContracts/SearchModels/OrderCookSearchModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenContracts.SearchModels
+{
+    public class OrderCookSearchModel
+    {
+        public int? Id { get; set; }
+        public int? OrderId { get; set; }
+        public int? CookId { get; set; }
+    }
+}

Canteen/CanteenContracts/StoragesContracts/ILunchStorage.cs

@@ -1,6 +1,8 @@
 using CanteenContracts.BindingModels;
 using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
 using CanteenContracts.View;
+using CanteenContracts.ViewModels;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -14,9 +16,10 @@ namespace CanteenContracts.StoragesContracts
         List<LunchViewModel> GetFullList();
         List<LunchViewModel> GetFilteredList(LunchSearchModel model);
         LunchViewModel? GetElement(LunchSearchModel model);
+        LunchOrderViewModel? GetLunchOrderElement(LunchOrderSearchModel model);
         LunchViewModel? Insert(LunchBindingModel model);
         LunchViewModel? Update(LunchBindingModel model);
         LunchViewModel? Delete(LunchBindingModel model);
-        void AddOrder(LunchOrderBindingModel model);
+        bool AddOrder(LunchOrderBindingModel model);
     }
 }

Canteen/CanteenContracts/StoragesContracts/IOrderStorage.cs

@@ -1,6 +1,8 @@
 using CanteenContracts.BindingModels;
 using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
 using CanteenContracts.View;
+using CanteenContracts.ViewModels;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -14,6 +16,7 @@ namespace CanteenContracts.StoragesContracts
         List<OrderViewModel> GetFullList();
         List<OrderViewModel> GetFilteredList(OrderSearchModel model);
         OrderViewModel? GetElement(OrderSearchModel model);
+        OrderCookViewModel? GetOrderCookElement(OrderCookSearchModel model);
         OrderViewModel? Insert(OrderBindingModel model);
         OrderViewModel? Update(OrderBindingModel model);
         OrderViewModel? Delete(OrderBindingModel model);

Canteen/CanteenContracts/StoragesContracts/ITablewareStorage.cs

@@ -9,7 +9,7 @@ using System.Threading.Tasks;
 
 namespace CanteenContracts.StoragesContracts
 {
-    public interface ITablewarerStorage
+    public interface ITablewareStorage
     {
         List<TablewareViewModel> GetFullList();
         List<TablewareViewModel> GetFilteredList(TablewareSearchModel model);

Canteen/CanteenContracts/ViewModels/LunchOrderViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenContracts.ViewModels
+{
+    public class LunchOrderViewModel
+    {
+        public int Id { get; set; }
+        public int LunchId { get; set; }
+        public int OrderId { get; set; }
+    }
+}

Canteen/CanteenContracts/ViewModels/OrderCookViewModel.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CanteenContracts.ViewModels
+{
+    public class OrderCookViewModel
+    {
+        public int Id { get; set; }
+        public int OrderId { get; set; }
+        public int CookId { get; set; }
+    }
+}

Canteen/CanteenContracts/ViewModels/OrderViewModel.cs

@@ -20,6 +20,8 @@ namespace CanteenContracts.View
         public Dictionary<int, (IDishModel, int)> OrderDishes { get; set; } = new Dictionary<int, (IDishModel, int)>();
         [DisplayName("ID заказа")]
         public int Id { get; set; }
+        public int? TablewareId { get; set; }
+        public int? CountTablewares { get; set; }
     }
 
 }

Canteen/CanteenDataModels/Models/IOrderModel.cs

@@ -10,8 +10,8 @@ namespace CanteenDataModels.Models
     public interface IOrderModel : IId
     {
         int VisitorId { get; }
-        int TablewareId { get; }
+        int? TablewareId { get; }
-        int CountTablewares { get; }
+        int? CountTablewares { get; }
         string Description { get; }
         double? Sum { get; }
         Dictionary<int, (IDishModel, int)> OrderDishes { get; }

Canteen/CanteenDatabaseImplement/Implements/LunchStorage.cs

@@ -1,7 +1,9 @@
 using CanteenContracts.BindingModels;
 using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
 using CanteenContracts.StoragesContracts;
 using CanteenContracts.View;
+using CanteenContracts.ViewModels;
 using CanteenDatabaseImplement.Models;
 using Microsoft.EntityFrameworkCore;
 using System;
@@ -26,9 +28,20 @@ namespace CanteenDatabaseImplement.Implements
             return context.Lunches
                 .Include(x => x.Products)
                 .ThenInclude(x => x.Product)
-                .FirstOrDefault(x => x.DateCreate >= model.DateFrom && x.DateImplement <= model.DateTo)?.GetViewModel;
+                .FirstOrDefault(x => (x.DateCreate >= model.DateFrom && x.DateImplement <= model.DateTo) || (x.Id == model.Id))?.GetViewModel;
+        }
+        public LunchOrderViewModel? GetLunchOrderElement(LunchOrderSearchModel model)
+        {
+            if (!model.Id.HasValue && !model.LunchId.HasValue && !model.OrderId.HasValue)
+            {
+                return null;
             }
 
+            using var context = new CanteenDatabase();
+
+            return context.LunchOrder
+                .FirstOrDefault(x => (x.LunchId == model.LunchId && x.OrderId == model.OrderId) || (x.Id == model.Id))?.GetViewModel;
+        }
         public List<LunchViewModel> GetFilteredList(LunchSearchModel model)
         {
             if (!model.DateFrom.HasValue || !model.DateTo.HasValue)
@@ -129,15 +142,15 @@ namespace CanteenDatabaseImplement.Implements
 
             return null;
         }
-        public void AddOrder(LunchOrderBindingModel lunchOrder)
+        public bool AddOrder(LunchOrderBindingModel lunchOrder)
         {
             using var context = new CanteenDatabase();
             using var transaction = context.Database.BeginTransaction();
             try
-            {
-                if (context.LunchOrder.FirstOrDefault(rec => rec.LunchId == lunchOrder.LunchId && rec.OrderId == lunchOrder.OrderId) != null)
             {
                 var _lunchOrder = context.LunchOrder.FirstOrDefault(rec => rec.LunchId == lunchOrder.LunchId && rec.OrderId == lunchOrder.OrderId);
+                if (_lunchOrder != null)
+                {
                     _lunchOrder.CountOrders = lunchOrder.OrderCount;
                 }
                 else
@@ -146,11 +159,12 @@ namespace CanteenDatabaseImplement.Implements
                 }
                 context.SaveChanges();
                 transaction.Commit();
+                return true;
             }
             catch
             {
                 transaction.Rollback();
-                throw;
+                return false;
             }
         }
     }

Canteen/CanteenDatabaseImplement/Implements/ManagerStorage.cs

@@ -23,7 +23,7 @@ namespace CanteenDatabaseImplement.Implements
             using var context = new CanteenDatabase();
 
             return context.Managers.FirstOrDefault(x =>
-            (!string.IsNullOrEmpty(model.Login) && x.Login == model.Login) ||
+            (!string.IsNullOrEmpty(model.Login) && x.Login == model.Login) || (!string.IsNullOrEmpty(model.Password) && x.Login == model.Password)  ||
             (model.Id.HasValue && x.Id == model.Id)
             )?.GetViewModel;
         }

Canteen/CanteenDatabaseImplement/Implements/OrderStorage.cs

@@ -1,7 +1,9 @@
 using CanteenContracts.BindingModels;
 using CanteenContracts.SearchModel;
+using CanteenContracts.SearchModels;
 using CanteenContracts.StoragesContracts;
 using CanteenContracts.View;
+using CanteenContracts.ViewModels;
 using CanteenDatabaseImplement.Models;
 using Microsoft.EntityFrameworkCore;
 using System;
@@ -14,6 +16,19 @@ namespace CanteenDatabaseImplement.Implements
 {
     public class OrderStorage : IOrderStorage
     {
+        public OrderCookViewModel? GetOrderCookElement(OrderCookSearchModel model)
+        {
+            if (!model.Id.HasValue && (!model.OrderId.HasValue || !model.CookId.HasValue))
+            {
+                return null;
+            }
+
+            using var context = new CanteenDatabase();
+
+            return context.OrderCook
+                .FirstOrDefault(x => x.OrderId == model.OrderId && x.CookId == model.CookId)?.GetViewModel;
+        }
+
         public OrderViewModel? GetElement(OrderSearchModel model)
         {
             if (!model.Id.HasValue)

Canteen/CanteenDatabaseImplement/Implements/TablewareStorage.cs

@@ -11,7 +11,7 @@ using System.Threading.Tasks;
 
 namespace CanteenDatabaseImplement.Implements
 {
-    public class TablewareStorage : ITablewarerStorage
+    public class TablewareStorage : ITablewareStorage
     {
         public TablewareViewModel? GetElement(TablewareSearchModel model)
         {

Canteen/CanteenDatabaseImplement/Models/LunchOrder.cs

@@ -1,4 +1,5 @@
-using System;
+using CanteenContracts.ViewModels;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -18,5 +19,11 @@ namespace CanteenDatabaseImplement.Models
         public int CountOrders { get; set; }
         public virtual Lunch Lunch { get; set; } = new();
         public virtual Order Order { get; set; } = new();
+        public LunchOrderViewModel GetViewModel => new()
+        {
+            Id = Id,
+            LunchId = LunchId,
+            OrderId = OrderId
+        };
     }
 }

Canteen/CanteenDatabaseImplement/Models/OrderCook.cs

@@ -1,4 +1,6 @@
-using System;
+using CanteenContracts.View;
+using CanteenContracts.ViewModels;
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
@@ -16,5 +18,11 @@ namespace CanteenDatabaseImplement.Models
         public int OrderId { get; set; }
         public virtual Order Order { get; set; } = new();
         public virtual Cook Cook { get; set; } = new();
+        public OrderCookViewModel GetViewModel => new()
+        {
+            Id = Id,
+            CookId = CookId,
+            OrderId = OrderId
+        };
     }
 }