diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyDatabase.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyDatabase.cs
index 68b5574..67a30d2 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyDatabase.cs
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyDatabase.cs
@@ -83,6 +83,12 @@ namespace ConstructionCompanyMongoDBImplement
             }
             return _instance;
         }
+        public BsonDocument ReadDocument(BsonDocument filter, string collectionName)
+        {
+            var collection = client.GetDatabase(databaseName).GetCollection<BsonDocument>(collectionName);
+            BsonDocument result = collection.Find(filter).ToList()[0];
+            return result;
+        }
 
         public void InsertDocument(BsonDocument bson, string collectionName)
         {
@@ -168,7 +174,8 @@ namespace ConstructionCompanyMongoDBImplement
                 }
                 string? customerNumber = order[5].ToString();
                 DateTime dateBegin = order[6].ToUniversalTime();
-                DateTime dateEnd = order[7].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);
@@ -186,6 +193,7 @@ namespace ConstructionCompanyMongoDBImplement
                     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);
                 }
             }
         }
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyMongoDBImplement.csproj b/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyMongoDBImplement.csproj
index 2c6cff1..3564930 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyMongoDBImplement.csproj
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/ConstructionCompanyMongoDBImplement.csproj
@@ -6,10 +6,6 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="Implements\" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="MongoDB.Bson" Version="2.19.1" />
     <PackageReference Include="MongoDB.Driver" Version="2.19.1" />
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeOrderStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeOrderStorage.cs
new file mode 100644
index 0000000..33afb08
--- /dev/null
+++ b/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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/EmployeeStorage.cs
new file mode 100644
index 0000000..6f5584d
--- /dev/null
+++ b/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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialOrderStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialOrderStorage.cs
new file mode 100644
index 0000000..4c2ed5d
--- /dev/null
+++ b/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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialStorage.cs
new file mode 100644
index 0000000..d988169
--- /dev/null
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/MaterialStorage.cs
@@ -0,0 +1,113 @@
+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)
+        {
+            //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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/OrderStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/OrderStorage.cs
new file mode 100644
index 0000000..43b62fd
--- /dev/null
+++ b/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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/PositionStorage.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/PositionStorage.cs
new file mode 100644
index 0000000..84e2902
--- /dev/null
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Implements/PositionStorage.cs
@@ -0,0 +1,117 @@
+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)
+        {
+            List<int> ids = new List<int>();
+            foreach (var employee in _source.Employees)
+            {
+                if (employee.PositionID == model.Id) ids.Add(employee.Id);
+            }
+            var document = Position.UpdateBSON(model, ids);
+            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)
+        {
+            //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;
+        }
+    }
+}
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Employee.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Employee.cs
index 48c1b0e..8d8f60f 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Employee.cs
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Employee.cs
@@ -1,4 +1,5 @@
 using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
 using ConstructionCompanyDataModels.Models;
 using MongoDB.Bson;
 using System;
@@ -59,5 +60,12 @@ namespace ConstructionCompanyMongoDBImplement.Models
                 {"positionId", $"{model.PositionID}" }
             };
         }
+        public EmployeeViewModel GetViewModel => new()
+        {
+            Id = Id,
+            EmployeeName = EmployeeName,
+            PositionID = PositionID,
+            PositionName = Position.PositionName
+        };
     }
 }
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Material.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Material.cs
index 42a44ac..50f56b6 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Material.cs
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Material.cs
@@ -1,4 +1,5 @@
 using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
 using ConstructionCompanyDataModels.Models;
 using MongoDB.Bson;
 using System;
@@ -57,5 +58,12 @@ namespace ConstructionCompanyMongoDBImplement.Models
                 {"quantity", $"{model.Quantity}" }
             };
         }
+
+        public MaterialViewModel GetViewModel => new()
+        {
+            Id = Id,
+            MaterialName = MaterialName,
+            Quantity = Quantity
+        };
     }
 }
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Order.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Order.cs
index b916f82..d56bdf5 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Order.cs
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Order.cs
@@ -1,4 +1,5 @@
 using ConstructionCompanyContracts.BindingModels;
+using ConstructionCompanyContracts.ViewModels;
 using ConstructionCompanyDataModels.Enums;
 using MongoDB.Bson;
 using MongoDB.Driver;
@@ -54,11 +55,11 @@ namespace ConstructionCompanyMongoDBImplement.Models
                 {"_id", model.Id},
                 {"description", $"{model.Description}"},
                 {"adress", $"{model.Adress}"},
-                {"customerNumber", $"{model.CustomerNumber}"},
                 {"price", $"{model.Price}"},
                 {"status", $"{model.Status}"},
-                {"dateBegin", $"{model.DateBegin}"},
-                {"dateEnd", $"{model.DateEnd}"},
+                {"customerNumber", $"{model.CustomerNumber}"},
+                {"dateBegin", new BsonDateTime(model.DateBegin)},
+                {"dateEnd", model.DateEnd.HasValue ? new BsonDateTime(model.DateEnd.Value) : ""},
                 {"employeesId", new BsonArray() },
                 {"materials", new BsonArray()}
             };
@@ -75,14 +76,26 @@ namespace ConstructionCompanyMongoDBImplement.Models
                 {"_id", model.Id},
                 {"description", $"{model.Description}"},
                 {"adress", $"{model.Adress}"},
-                {"customerNumber", $"{model.CustomerNumber}"},
                 {"price", $"{model.Price}"},
                 {"status", $"{model.Status}"},
-                {"dateBegin", $"{model.DateBegin}"},
-                {"dateEnd", $"{model.DateEnd}"},
+                {"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
+        };
     }
 }
diff --git a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Position.cs b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Position.cs
index a375379..0d9fe55 100644
--- a/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Position.cs
+++ b/ConstructionCompany/ConstructionCompanyMongoDBImplement/Models/Position.cs
@@ -48,7 +48,7 @@ namespace ConstructionCompanyMongoDBImplement.Models
             };
         }
 
-        public static BsonDocument? UpdateBSON(PositionBindingModel? model, List<string> ids)
+        public static BsonDocument? UpdateBSON(PositionBindingModel? model, List<int> ids)
         {
             if (model == null)
             {
diff --git a/ConstructionCompany/ConstructionCompanyView/Program.cs b/ConstructionCompany/ConstructionCompanyView/Program.cs
index d0d191f..4647445 100644
--- a/ConstructionCompany/ConstructionCompanyView/Program.cs
+++ b/ConstructionCompany/ConstructionCompanyView/Program.cs
@@ -1,7 +1,7 @@
 using ConstructionCompanyBusinessLogic.BusinessLogics;
 using ConstructionCompanyContracts.BusinessLogicContracts;
 using ConstructionCompanyContracts.StorageContracts;
-using ConstructionCompanyPsqlImplement.Implements;
+using ConstructionCompanyMongoDBImplement.Implements;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using NLog.Extensions.Logging;