diff --git a/Course/BusinessLogic/BusinessLogic/GuarantorLogic.cs b/Course/BusinessLogic/BusinessLogic/GuarantorLogic.cs
new file mode 100644
index 0000000..8ad2985
--- /dev/null
+++ b/Course/BusinessLogic/BusinessLogic/GuarantorLogic.cs
@@ -0,0 +1,112 @@
+using Contracts.BindingModels;
+using Contracts.BusinessLogicsContracts;
+using Contracts.SearchModels;
+using Contracts.StoragesContracts;
+using Contracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace BusinessLogic.BusinessLogic
+{
+	public class GuarantorLogic : IGuarantorLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IGuarantorStorage _storage;
+
+		public GuarantorLogic(ILogger<GuarantorLogic> logger, IGuarantorStorage storage)
+		{
+			_logger = logger;
+			_storage = storage;
+		}
+		public List<GuarantorViewModel>? ReadList(GuarantorSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Login:{Login}. Id:{Id}", model!.Login, model.Id);
+			var list = model == null ? _storage.GetFullList() : _storage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null");
+				return null;
+			}
+			return list;
+		}
+		public GuarantorViewModel? ReadElement(GuarantorSearchModel? model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. Login:{Login}. Id:{Id}.", model.Login, model.Id);
+			var elem = _storage.GetElement(model);
+			if (elem == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", elem.Id);
+			return elem;
+		}
+		private void CheckModel(GuarantorBindingModel? model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+				return;
+			if (string.IsNullOrEmpty(model.Name))
+			{
+				throw new ArgumentNullException("Нет имени пользователя", nameof(model));
+			}
+			if (string.IsNullOrEmpty(model.Login))
+			{
+				throw new ArgumentNullException("Нет логина пользователя", nameof(model));
+			}
+			if (string.IsNullOrEmpty(model.Password))
+			{
+				throw new ArgumentNullException("Нет пароля пользователя", nameof(model));
+			}
+			if (string.IsNullOrEmpty(model.Email))
+			{
+				throw new ArgumentNullException("Нет почты пользователя", nameof(model));
+			}
+			var elem = _storage.GetElement(new GuarantorSearchModel
+			{
+				Login = model.Login
+			});
+			if (elem != null && model.Id != elem.Id)
+			{
+				throw new InvalidOperationException("Такой логин уже используется в системе");
+			}
+		}
+		public bool Create(GuarantorBindingModel? model)
+		{
+			CheckModel(model);
+			if (_storage.Insert(model!) == null)
+			{
+				_logger.LogWarning("Insert error");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(GuarantorBindingModel? model)
+		{
+			CheckModel(model);
+			if (_storage.Update(model!) == null)
+			{
+				_logger.LogWarning("Update error");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(GuarantorBindingModel? model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete Guarantor. Id:{Id}", model!.Id);
+			if (_storage.Delete(model!) == null)
+			{
+				_logger.LogWarning("Delete error");
+				return false;
+			}
+			return true;
+		}
+	}
+}
diff --git a/Course/BusinessLogic/BusinessLogic/MachineLogic.cs b/Course/BusinessLogic/BusinessLogic/MachineLogic.cs
new file mode 100644
index 0000000..8f5345e
--- /dev/null
+++ b/Course/BusinessLogic/BusinessLogic/MachineLogic.cs
@@ -0,0 +1,107 @@
+using Contracts.BindingModels;
+using Contracts.BusinessLogicsContracts;
+using Contracts.SearchModels;
+using Contracts.StoragesContracts;
+using Contracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace BusinessLogic.BusinessLogic
+{
+	public class MachineLogic : IMachineLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IMachineStorage _machineStorage;
+		public ProductLogic(ILogger<ProductLogic> logger, IProductStorage productStorage)
+		{
+			_logger = logger;
+			_productStorage = productStorage;
+		}
+		public List<ProductViewModel>? ReadList(ProductSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. ProductName:{name}. Id:{Id}. UserId:{UserId}", model?.Name, model?.Id, model?.UserId);
+			var list = model == null ? _productStorage.GetFullList() : _productStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogWarning("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		public ProductViewModel? ReadElement(ProductSearchModel? model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. ProductName:{Name}. Id:{Id}", model.Name, model.Id);
+			var elem = _productStorage.GetElement(model);
+			if (elem == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", elem.Id);
+			return elem;
+		}
+		private void CheckModel(ProductBindingModel? model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.Name))
+			{
+				throw new ArgumentNullException("Нет названия изделия", nameof(model.Name));
+			}
+			if (model.Cost <= 0)
+			{
+				throw new ArgumentNullException("Цена изделия должна быть больше 0", nameof(model.Cost));
+			}
+			_logger.LogInformation("Product. ProductName:{Name}. Cost:{Cost}. Id:{Id}", model.Name, model.Cost, model.Id);
+			var elem = _productStorage.GetElement(new ProductSearchModel
+			{
+				Name = model.Name
+			});
+			if (elem != null && elem.Id != model.Id)
+			{
+				throw new InvalidOperationException("Изделие с таким названием уже существует");
+			}
+		}
+		public bool Create(ProductBindingModel? model)
+		{
+			CheckModel(model);
+			if (_productStorage.Insert(model!) == null)
+			{
+				_logger.LogWarning("Insert error");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(ProductBindingModel? model)
+		{
+			CheckModel(model);
+			if (_productStorage.Update(model!) == null)
+			{
+				_logger.LogWarning("Update error");
+				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 error");
+				return false;
+			}
+			return true;
+		}
+	}
+}
diff --git a/Course/Contracts/BusinessLogicsContracts/IGuarantorLogic.cs b/Course/Contracts/BusinessLogicsContracts/IGuarantorLogic.cs
index 7a8dca9..b66b198 100644
--- a/Course/Contracts/BusinessLogicsContracts/IGuarantorLogic.cs
+++ b/Course/Contracts/BusinessLogicsContracts/IGuarantorLogic.cs
@@ -6,10 +6,10 @@ namespace Contracts.BusinessLogicsContracts
 {
 	public interface IGuarantorLogic
 	{
-		List<ImplementerViewModel>? ReadList(ImplementerSearchModel? model);
-		ImplementerViewModel? ReadElement(ImplementerSearchModel? model);
-		bool Create(ImplementerBindingModel? model);
-		bool Update(ImplementerBindingModel? model);
-		bool Delete(ImplementerBindingModel? model);
+		List<GuarantorViewModel>? ReadList(GuarantorSearchModel? model);
+		GuarantorViewModel? ReadElement(GuarantorSearchModel? model);
+		bool Create(GuarantorBindingModel? model);
+		bool Update(GuarantorBindingModel? model);
+		bool Delete(GuarantorBindingModel? model);
 	}
 }
diff --git a/Course/Contracts/ViewModels/MachineViewModel.cs b/Course/Contracts/ViewModels/MachineViewModel.cs
index 24e6794..49cd82b 100644
--- a/Course/Contracts/ViewModels/MachineViewModel.cs
+++ b/Course/Contracts/ViewModels/MachineViewModel.cs
@@ -12,5 +12,6 @@ namespace Contracts.ViewModels
 		public string Country { get; set; } = string.Empty;
 		public int UserId { get; set; }
 		public int ProductId { get; set; }
+		public Dictionary<int, (IWorkerModel, int)>? WorkerMachines { get; set; }
 	}
 }
diff --git a/Course/Contracts/ViewModels/WorkshopViewModel.cs b/Course/Contracts/ViewModels/WorkshopViewModel.cs
index b71d506..358d929 100644
--- a/Course/Contracts/ViewModels/WorkshopViewModel.cs
+++ b/Course/Contracts/ViewModels/WorkshopViewModel.cs
@@ -14,5 +14,6 @@ namespace Contracts.ViewModels
 		public string Director { get; set; } = string.Empty;
 		public int UserId { get; set; }
 		public int ProductionId { get; set; }
+		public Dictionary<int, (IWorkerModel, int)>? WorkerWorkshops { get; set; }
 	}
 }
diff --git a/Course/DatabaseImplement/Implements/GuarantorStorage.cs b/Course/DatabaseImplement/Implements/GuarantorStorage.cs
new file mode 100644
index 0000000..19409c6
--- /dev/null
+++ b/Course/DatabaseImplement/Implements/GuarantorStorage.cs
@@ -0,0 +1,72 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.StoragesContracts;
+using Contracts.ViewModels;
+using DatabaseImplement.Models;
+
+namespace DatabaseImplement.Implements
+{
+	public class GuarantorStorage : IGuarantorStorage
+	{
+		public GuarantorViewModel? Delete(GuarantorBindingModel model)
+		{
+			using var context = new FactoryGoWorkDatabase();
+			var newGuarantor = context.Guarantors.FirstOrDefault(x => x.Id == model.Id);
+			if (newGuarantor == null)
+				return null;
+			context.Guarantors.Remove(newGuarantor);
+			context.SaveChanges();
+			return newGuarantor.GetViewModel;
+		}
+
+		public GuarantorViewModel? GetElement(GuarantorSearchModel model)
+		{
+			if (!model.Id.HasValue && string.IsNullOrEmpty(model.Login)) { return null; }
+			using var context = new FactoryGoWorkDatabase();
+			return context.Guarantors.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id) || (!string.IsNullOrEmpty(model.Login) && x.Login.Equals(model.Login)))?.GetViewModel; ;
+		}
+
+		public List<GuarantorViewModel> GetFilteredList(GuarantorSearchModel model)
+		{
+			if (!model.Id.HasValue && string.IsNullOrEmpty(model.Login))
+				return new();
+			using var context = new FactoryGoWorkDatabase();
+			if (model.Id.HasValue)
+			{
+				return context.Guarantors.Where(x => x.Id == model.Id).Select(x => x.GetViewModel).ToList();
+			}
+			else
+			{
+				return context.Guarantors.Where(x => x.Login.Equals(model.Login)).Select(x => x.GetViewModel).ToList();
+			}
+		}
+
+		public List<GuarantorViewModel> GetFullList()
+		{
+			using var context = new FactoryGoWorkDatabase();
+			return context.Guarantors.Select(x => x.GetViewModel).ToList();
+		}
+
+		public GuarantorViewModel? Insert(GuarantorBindingModel model)
+		{
+			using var context = new FactoryGoWorkDatabase();
+			var newGuarantor = Guarantor.Create(model);
+			if (newGuarantor == null)
+				return null;
+			context.Guarantors.Add(newGuarantor);
+			context.SaveChanges();
+			return newGuarantor.GetViewModel;
+		}
+
+		public GuarantorViewModel? Update(GuarantorBindingModel model)
+		{
+			using var context = new FactoryGoWorkDatabase();
+			var newGuarantor = context.Guarantors.FirstOrDefault(x => x.Id == model.Id);
+			if (newGuarantor == null)
+				return null;
+			newGuarantor.Update(model);
+			context.SaveChanges();
+			return newGuarantor.GetViewModel;
+		}
+	}
+}
diff --git a/Course/DatabaseImplement/Models/Guarantor.cs b/Course/DatabaseImplement/Models/Guarantor.cs
new file mode 100644
index 0000000..9373fa1
--- /dev/null
+++ b/Course/DatabaseImplement/Models/Guarantor.cs
@@ -0,0 +1,70 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace DatabaseImplement.Models
+{
+	public class Guarantor : IGuarantorModel
+	{
+		public int Id { get; set; }
+		[Required]
+		public string Email { get; set; } = string.Empty;
+		[Required]
+		public string Name { get; set; } = string.Empty;
+		[Required]
+		public string Login { get; set; } = string.Empty;
+		[Required]
+		public string Password { get; set; } = string.Empty;
+		[ForeignKey("UserId")]
+		public virtual List<Machine> Machines { get; set; } = new();
+		[ForeignKey("UserId")]
+		public virtual List<Worker> Workers { get; set; } = new();
+		[ForeignKey("UserId")]
+		public virtual List<Workshop> Workshops { get; set; } = new();
+
+		public static Guarantor? Create(GuarantorBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Guarantor
+			{
+				Id = model.Id,
+				Email = model.Email,
+				Name = model.Name,
+				Login = model.Login,
+				Password = model.Password
+			};
+		}
+		public static Guarantor Create(GuarantorViewModel model)
+		{
+			return new Guarantor
+			{
+				Id = model.Id,
+				Email = model.Email,
+				Name = model.Name,
+				Login = model.Login,
+				Password = model.Password
+			};
+		}
+		public void Update(GuarantorBindingModel model)
+		{
+			if (model == null)
+				return;
+			Email = model.Email;
+			Name = model.Name;
+			Password = model.Password;
+		}
+		public GuarantorViewModel GetViewModel => new()
+		{
+			Id = Id,
+			Email = Email,
+			Name = Name,
+			Login = Login,
+			Password = Password
+		};
+	}
+}
diff --git a/Course/DatabaseImplement/Models/Machine.cs b/Course/DatabaseImplement/Models/Machine.cs
index 64527f9..65ecae6 100644
--- a/Course/DatabaseImplement/Models/Machine.cs
+++ b/Course/DatabaseImplement/Models/Machine.cs
@@ -24,14 +24,24 @@ namespace DatabaseImplement.Models
 		[Required]
 		public int ProductId { get; private set; }
 		public virtual Product Product { get; set; }
+		private Dictionary<int, (IWorkerModel, int)>? _workerMachines = null;
+		[NotMapped]
+		public Dictionary<int, (IWorkerModel, int)>? WorkerMachines
+		{
+			get
+			{
+				if (_workerMachines == null)
+				{
+					_workerMachines = Workers.ToDictionary(recDP => recDP.WorkerId, recDp => (recDp.Worker as IWorkerModel, recDp.Count));
+				}
+				return _workerMachines;
+			}
+		}
 		[ForeignKey("WorkerId")]
-		public virtual List<WorkerMachine> WorkerMachines { get; set; } = new();
+		public virtual List<WorkerMachine> Workers { get; set; } = new();
+		public virtual Guarantor Guarantor { get; set; }
 		public static Machine? Create(MachineBindingModel model, FactoryGoWorkDatabase context)
 		{
-			if (model == null)
-			{
-				return null;
-			}
 			return new Machine()
 			{
 				Id = model.Id,
@@ -39,23 +49,15 @@ namespace DatabaseImplement.Models
 				Country = model.Country,
 				ProductId = model.ProductId,
 				Product = context.Products.FirstOrDefault(x => x.Id == model.ProductId)!,
-				UserId = model.UserId
-			};
-		}
-		public static Machine Create(MachineViewModel model)
-		{
-			return new Machine
-			{
-				Id = model.Id,
-				Title = model.Title,
-				Country = model.Country,
-				UserId = model.UserId
+				UserId = model.UserId,
+				Workers = model.MachineWorker.Select(x => new WorkerMachine
+				{
+					Worker = context.Workers.First(y => y.Id == x.Key),
+				}).ToList(),
 			};
 		}
 		public void Update(MachineBindingModel model)
 		{
-			if (model == null)
-				return;
 			Title = model.Title;
 			Country = model.Country;
 		}
@@ -65,7 +67,35 @@ namespace DatabaseImplement.Models
 			Title = Title,
 			Country = Country,
 			UserId = UserId,
-			ProductId = ProductId
+			ProductId = ProductId,
+			WorkerMachines = WorkerMachines
 		};
+		public void UpdateWorkers(FactoryGoWorkDatabase context, MachineBindingModel model)
+		{
+			var machineWorkers = context.WorkerMachines.Where(rec => rec.MachineId == model.Id).ToList();
+			if (machineWorkers != null && machineWorkers.Count > 0)
+			{
+				context.WorkerMachines.RemoveRange(machineWorkers.Where(rec => !model.MachineWorker.ContainsKey(rec.WorkerId)));
+				context.SaveChanges();
+				foreach (var upWorker in machineWorkers)
+				{
+					upWorker.Count = model.MachineWorker[upWorker.WorkerId].Item2;
+					model.MachineWorker.Remove(upWorker.WorkerId);
+				}
+				context.SaveChanges();
+			}
+			var machine = context.Machines.First(x => x.Id == model.Id);
+			foreach (var dp in model.MachineWorker)
+			{
+				context.WorkerMachines.Add(new WorkerMachine
+				{
+					Machine = machine,
+					Worker = context.Workers.First(x => x.Id == dp.Key),
+					Count = dp.Value.Item2
+				});
+				context.SaveChanges();
+			}
+			_workerMachines = null;
+		}
 	}
 }
diff --git a/Course/DatabaseImplement/Models/Worker.cs b/Course/DatabaseImplement/Models/Worker.cs
new file mode 100644
index 0000000..6bce5eb
--- /dev/null
+++ b/Course/DatabaseImplement/Models/Worker.cs
@@ -0,0 +1,73 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace DatabaseImplement.Models
+{
+	public class Worker : IWorkerModel
+	{
+		public int Id { get; set; }
+		[Required]
+		public string Name { get; set; } = string.Empty;
+		[Required]
+		public DateTime Birthday { get; set; }
+		[Required]
+		public string Specialization { get; set; } = string.Empty;
+		[Required]
+		public double Salary { get; set; }
+		[Required]
+		public int UserId { get; set; }
+		[ForeignKey("WorkerId")]
+		public virtual List<WorkerMachine> WorkerMachines { get; set; } = new();
+		[ForeignKey("WorkerId")]
+		public virtual List<WorkerWorkshop> WorkerWorkshops { get; set; } = new();
+		public virtual Guarantor Guarantor { get; set; }
+		public static Worker? Create(WorkerBindingModel model)
+		{
+			if (model == null)
+			{
+				return null;
+			}
+			return new Worker
+			{
+				Id = model.Id,
+				Name = model.Name,
+				Birthday = model.Birthday,
+				Specialization = model.Specialization,
+				Salary = model.Salary,
+				UserId = model.UserId
+			};
+		}
+		public static Worker Create(WorkerViewModel model)
+		{
+			return new Worker
+			{
+				Id = model.Id,
+				Name = model.Name,
+				Birthday = model.Birthday,
+				Specialization = model.Specialization,
+				Salary = model.Salary,
+				UserId = model.UserId
+			};
+		}
+		public void Update(WorkerBindingModel model)
+		{
+			if (model == null)
+				return;
+			Name = model.Name;
+			Specialization = model.Specialization;
+			Salary = model.Salary;
+		}
+		public WorkerViewModel GetViewModel => new()
+		{
+			Id = Id,
+			Name = Name,
+			Birthday = Birthday,
+			Specialization = Specialization,
+			Salary = Salary,
+			UserId = UserId
+		};
+	}
+}
diff --git a/Course/DatabaseImplement/Models/WorkerMachine.cs b/Course/DatabaseImplement/Models/WorkerMachine.cs
index 1e8b6b2..ed0d687 100644
--- a/Course/DatabaseImplement/Models/WorkerMachine.cs
+++ b/Course/DatabaseImplement/Models/WorkerMachine.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel.DataAnnotations;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using System.ComponentModel.DataAnnotations;
 
 namespace DatabaseImplement.Models
 {
diff --git a/Course/DatabaseImplement/Models/WorkerWorkshop.cs b/Course/DatabaseImplement/Models/WorkerWorkshop.cs
new file mode 100644
index 0000000..cd417c1
--- /dev/null
+++ b/Course/DatabaseImplement/Models/WorkerWorkshop.cs
@@ -0,0 +1,17 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace DatabaseImplement.Models
+{
+	public class WorkerWorkshop
+	{
+		public int Id { get; set; }
+		[Required]
+		public int WorkerId { get; set; }
+		[Required]
+		public int WorkshopId { get; set; }
+		[Required]
+		public int Count { get; set; }
+		public virtual Worker Worker { get; set; } = new();
+		public virtual Workshop Workshop { get; set; } = new();
+	}
+}
diff --git a/Course/DatabaseImplement/Models/Workshop.cs b/Course/DatabaseImplement/Models/Workshop.cs
new file mode 100644
index 0000000..c2777d2
--- /dev/null
+++ b/Course/DatabaseImplement/Models/Workshop.cs
@@ -0,0 +1,100 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+
+namespace DatabaseImplement.Models
+{
+	public class Workshop : IWorkshopModel
+	{
+		public int Id { get; set; }
+		[Required]
+		public string Title { get; set; } = string.Empty;
+		[Required]
+		public string Address { get; set; } = string.Empty;
+		[Required]
+		public string Director { get; set; } = string.Empty;
+		[Required]
+		public int UserId { get; set; }
+		[Required]
+		public int ProductionId { get; set; }
+		public virtual Production Production { get; set; }
+		private Dictionary<int, (IWorkerModel, int)>? _workerWorkshops = null;
+		[NotMapped]
+		public Dictionary<int, (IWorkerModel, int)>? WorkerWorkshops 
+		{
+			get
+			{
+				if(_workerWorkshops == null)
+				{
+					_workerWorkshops = Workers.ToDictionary(recDP => recDP.WorkerId, recDp => (recDp.Worker as IWorkerModel, recDp.Count));
+				}
+				return _workerWorkshops;
+			}
+		}
+		[ForeignKey("WorkshopId")]
+		public List<WorkerWorkshop> Workers { get; set; } = new();
+		public virtual Guarantor Guarantor { get; set; }
+		public static Workshop Create(FactoryGoWorkDatabase context, WorkshopBindingModel model)
+		{
+			return new Workshop()
+			{
+				Id = model.Id,
+				Title = model.Title,
+				Address = model.Address,
+				Director = model.Director,
+				ProductionId = model.ProductionId,
+				Production = context.Productions.FirstOrDefault(x => x.Id == model.ProductionId)!,
+				UserId = model.UserId,
+				Workers = model.WorkshopWorker.Select(x => new WorkerWorkshop
+				{
+					Worker = context.Workers.First(y => y.Id == x.Key),
+				}).ToList(),
+			};
+		}
+		public void Update(WorkshopBindingModel model)
+		{
+			Title = model.Title;
+			Address = model.Address;
+			Director = model.Director;
+		}
+		public WorkshopViewModel GetViewModel => new()
+		{
+			Id = Id,
+			Title = Title,
+			Address = Address,
+			Director = Director,
+			ProductionId= ProductionId,
+			UserId = UserId,
+			WorkerWorkshops = WorkerWorkshops
+		};
+		public void UpdateWorkers(FactoryGoWorkDatabase context, WorkshopBindingModel model)
+		{
+			var workshopWorkers = context.WorkerWorkshops.Where(rec => rec.WorkshopId == model.Id).ToList();
+			if (workshopWorkers != null && workshopWorkers.Count > 0)
+			{
+				context.WorkerWorkshops.RemoveRange(workshopWorkers.Where(rec => !model.WorkshopWorker.ContainsKey(rec.WorkerId)));
+				context.SaveChanges();
+				foreach (var upWorker in workshopWorkers)
+				{
+					upWorker.Count = model.WorkshopWorker[upWorker.WorkerId].Item2;
+					model.WorkshopWorker.Remove(upWorker.WorkerId);
+				}
+				context.SaveChanges();
+			}
+			var workshop = context.Workshops.First(x => x.Id == model.Id);
+			foreach (var dp in model.WorkshopWorker)
+			{
+				context.WorkerWorkshops.Add(new WorkerWorkshop
+				{
+					Workshop = workshop,
+					Worker = context.Workers.First(x => x.Id == dp.Key),
+					Count = dp.Value.Item2
+				});
+				context.SaveChanges();
+			}
+			_workerWorkshops = null;
+		}
+	}
+}