just end?

Course/DatabaseImplement/Implements/GuarantorStorage.cs

@@ -23,7 +23,10 @@ namespace DatabaseImplement.Implements
 		{
 			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) && !string.IsNullOrEmpty(model.Password) && x.Login.Equals(model.Login) && x.Password.Equals(model.Password)))?.GetViewModel; ;
+			if (!string.IsNullOrEmpty(model.Login) && string.IsNullOrEmpty(model.Password))
+				return context.Guarantors.FirstOrDefault(x => x.Login == model.Login)?.GetViewModel;
+			else
+				return context.Guarantors.FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id) || (!string.IsNullOrEmpty(model.Login) && !string.IsNullOrEmpty(model.Password) && x.Login.Equals(model.Login) && x.Password.Equals(model.Password)))?.GetViewModel;
 		}
 
 		public List<GuarantorViewModel> GetFilteredList(GuarantorSearchModel model)

Course/DatabaseImplement/Models/Production.cs

@@ -34,7 +34,7 @@ namespace DatabaseImplement.Models
 		public virtual List<DetailProduction> Details { get; set; } = new();
 		public virtual Implementer User { get; set; }
 		[ForeignKey("ProductionId")]
-		public virtual List<Workshop> Workshops { get; set; }
+		public virtual List<Workshop> Workshops { get; set; } = new();
 		
 		public static Production Create(FactoryGoWorkDatabase context, ProductionBindingModel model)
 		{

Course/GuarantorAPP/Controllers/HomeController.cs

@@ -1,6 +1,7 @@
 using Contracts.BindingModels;
 using Contracts.BusinessLogicsContracts;
 using Contracts.ViewModels;
+using DocumentFormat.OpenXml.Packaging;
 using GuarantorAPP.Models;
 using Microsoft.AspNetCore.Mvc;
 using System.Diagnostics;
@@ -19,6 +20,22 @@ namespace GuarantorAPP.Controllers
 		}
 		private bool IsLoggedIn { get { return UserGuarantor.user != null; } }
 		private int UserId { get { return UserGuarantor.user!.Id; } }
+		[HttpPost]
+		public JsonResult CheckLogin(string login)
+		{
+			try
+			{
+				var unique = _data.CheckLogin(login);
+				return Json(new
+				{
+					isUnique = unique
+				});
+			}
+			catch (Exception)
+			{
+				return Json(new {isUnique = false});
+			}
+		}
 		public IActionResult IndexNonReg()
 		{
 			if (!IsLoggedIn)
@@ -41,11 +58,18 @@ namespace GuarantorAPP.Controllers
 		[HttpPost]
 		public void Enter(string login, string password)
 		{
-			var user = _data.Login(login, password);
+			try
-			if (user != null)
 			{
-				UserGuarantor.user = user;
+				var user = _data.Login(login, password);
-				Response.Redirect("Index");
+				if (user != null)
+				{
+					UserGuarantor.user = user;
+					Response.Redirect("Index");
+				}
+				Response.Redirect("Enter");
+			} catch (Exception)
+			{
+				Response.Redirect("IndexNonReg");
 			}
 		}
 		[HttpGet]
@@ -61,91 +85,126 @@ namespace GuarantorAPP.Controllers
 		[HttpPost]
 		public void Register(string name, string login, string email, string password1, string password2)
 		{
-			if (password1 == password2 && _data.Register(new() { Email = email, Login = login, Name = name, Password = password1 }))
+			try
 			{
-				Response.Redirect("Index");
+				if (password1 == password2 && _data.Register(new() { Email = email, Login = login, Name = name, Password = password1 }))
+				{
+					Response.Redirect("Index");
+				}
+			} catch (Exception)
+			{
+				Response.Redirect("IndexNonReg");
 			}
 		}
 		[HttpGet]
 		public IActionResult IndexMachine()
 		{
-			if (UserGuarantor.user != null)
+			if (!IsLoggedIn)
+				return RedirectToAction("IndexNonReg");
+			try
 			{
-				var machines = _data.GetMachines(UserGuarantor.user.Id);
+				var machines = _data.GetMachines(UserGuarantor.user!.Id);
 				return View(machines);
+			} catch 
+			{
+				return RedirectToAction("IndexNonReg");
 			}
-			return RedirectToAction("IndexNonReg");
 		}
 		[HttpPost]
 		public IActionResult IndexMachine(int id)
 		{
-			_data.DeleteMachine(id);
+			try
-			return RedirectToAction("IndexMachine");
+			{
+				_data.DeleteMachine(id);
+				return RedirectToAction("IndexMachine");
+			} catch 
+			{
+				return RedirectToAction("IndexNonReg");
+			}
 		}
 		[HttpGet]
 		public IActionResult CreateMachine(int id)
 		{
-			var workers = _data.GetWorkers(UserGuarantor.user!.Id);
+			if (!IsLoggedIn)
-			ViewBag.AllWorkers = workers;
+				return RedirectToAction("IndexNonReg");
-			if (id != 0)
+			try
 			{
-				var value = _data.GetMachine(id);
+				var workers = _data.GetWorkers(UserGuarantor.user!.Id);
-				if (value != null)
+				ViewBag.AllWorkers = workers;
-					return View(value);
+				if (id != 0)
+				{
+					var value = _data.GetMachine(id);
+					if (value != null)
+						return View(value);
+				}
 			}
-			return View(new MachineViewModel());
+			catch
-		}
+			{
+				return RedirectToAction("IndexMachine");
+			}
+            return View(new MachineViewModel());
+        }
 		[HttpPost]
 		public IActionResult CreateMachine(int id, string title, string country, int[] workerIds)
 		{
-			MachineBindingModel model = new MachineBindingModel();
+			try
-			model.Id = id;
-			model.Title = title;
-			model.Country = country;
-			model.DateCreate = DateTime.Now;
-			model.UserId = UserGuarantor.user!.Id;
-			var workers = _data.GetWorkers(UserGuarantor.user!.Id);
-			for (int i = 0; i < workerIds.Length; i++)
 			{
-				var worker = workers!.FirstOrDefault(x => x.Id == workerIds[i]);
+				MachineBindingModel model = new MachineBindingModel();
-				model.MachineWorker[workerIds[i]] = worker;
+				model.Id = id;
-			}
+				model.Title = title;
-			bool changed = false;
+				model.Country = country;
-			if (model.MachineWorker.Count > 0)
+				model.DateCreate = DateTime.Now;
-			{
+				model.UserId = UserGuarantor.user!.Id;
-				if (id != 0)
+				var workers = _data.GetWorkers(UserGuarantor.user!.Id);
+				for (int i = 0; i < workerIds.Length; i++)
 				{
-					changed = _data.UpdateMachine(model);
+					var worker = workers!.FirstOrDefault(x => x.Id == workerIds[i]);
+					model.MachineWorker[workerIds[i]] = worker;
 				}
+				bool changed = false;
+				if (model.MachineWorker.Count > 0)
+				{
+					if (id != 0)
+					{
+						changed = _data.UpdateMachine(model);
+					}
+					else
+					{
+						changed = _data.CreateMachine(model);
+					}
+				}
+				if (changed)
+					return RedirectToAction("IndexMachine");
 				else
 				{
-					changed = _data.CreateMachine(model);
+					ViewBag.AllWorkers = workers;
+					return View(model);
 				}
-			}
+			} catch
-			if (changed)
-				return RedirectToAction("IndexMachine");
-			else
 			{
-				ViewBag.AllWorkers = workers;
+				return RedirectToAction("IndexMachine");
-				return View(model);
 			}
 		}
 		[HttpGet]
 		public IActionResult IndexWorker()
 		{
-			if (UserGuarantor.user != null)
+			if (!IsLoggedIn)
-			{
+				return RedirectToAction("IndexNonReg");
-				var list = _data.GetWorkers(UserGuarantor.user.Id);
+			try {
+				var list = _data.GetWorkers(UserGuarantor.user!.Id);
 				if (list != null)
 					return View(list);
-				return View(new List<WorkerViewModel>());
 			}
-			return RedirectToAction("IndexNonReg");
+			catch (Exception)
-		}
+			{
+				return View(new List<WorkerViewModel>()); ;
+			}
+            return View(new List<WorkerViewModel>());
+        }
 		[HttpPost]
 		public void IndexWorker(int id)
 		{
-			if (UserGuarantor.user != null)
+			if (IsLoggedIn)
 			{
 				_data.DeleteWorker(id);
 			}
@@ -154,6 +213,10 @@ namespace GuarantorAPP.Controllers
 		[HttpGet]
 		public IActionResult CreateWorker(int id)
 		{
+			if (!IsLoggedIn)
+			{
+				return RedirectToAction("IndexNonReg");
+			}
 			if (id != 0)
 			{
 				var value = _data.GetWorker(id);
@@ -165,83 +228,105 @@ namespace GuarantorAPP.Controllers
 		[HttpPost]
 		public IActionResult CreateWorker(WorkerBindingModel model)
 		{
-			if (model.Id == 0)
+			try
 			{
-				model.UserId = UserGuarantor.user!.Id;
+				if (model.Id == 0)
-				if (_data.CreateWorker(model))
+				{
-					return RedirectToAction("IndexWorker");
+					model.UserId = UserId;
+					if (_data.CreateWorker(model))
+						return RedirectToAction("IndexWorker");
+				}
+				else
+				{
+					if (_data.UpdateWorker(model))
+						return RedirectToAction("IndexWorker");
+				}
 			}
-			else
+			catch (Exception)
 			{
-				if (_data.UpdateWorker(model))
+				return RedirectToAction("IndexWorker");
-					return RedirectToAction("IndexWorker");
 			}
-			return View();
+			return RedirectToAction("IndexWorker");
 		}
 		[HttpGet]
 		public IActionResult IndexWorkshop()
 		{
 			if (IsLoggedIn)
 			{
-				var workshops = _data.GetWorkshops(UserGuarantor.user!.Id);
+				try
-				return View(workshops);
+				{
+					var workshops = _data.GetWorkshops(UserGuarantor.user!.Id);
+					return View(workshops);
+				} catch (Exception)
+				{
+					return RedirectToAction("IndexNonReg");
+				}
 			}
 			return RedirectToAction("IndexNonReg");
 		}
 		[HttpPost]
 		public IActionResult IndexWorkshop(int id)
 		{
-			_data.DeleteWorkshop(id);
+			try
+			{
+				_data.DeleteWorkshop(id);
+			}
+			catch (Exception) { }
 			return RedirectToAction("IndexWorkshop");
 		}
 		[HttpGet]
 		public IActionResult CreateWorkshop(int id)
 		{
-			var workers = _data.GetWorkers(UserGuarantor.user!.Id);
+			if (!IsLoggedIn)
-			ViewBag.AllWorkers = workers;
+				return RedirectToAction("IndexNonReg");
-			if (id != 0)
+			try
 			{
-				var value = _data.GetWorkshop(id);
+				var workers = _data.GetWorkers(UserGuarantor.user!.Id);
-				if (value != null)
+				ViewBag.AllWorkers = workers;
-					return View(value);
+				if (id != 0)
+				{
+					var value = _data.GetWorkshop(id);
+					if (value != null)
+						return View(value);
+				}
 			}
+			catch (Exception) { }
 			return View(new WorkshopViewModel());
 		}
 		[HttpPost]
 		public IActionResult CreateWorkshop(int id, string title, string address, string director, int[] workerIds)
 		{
-			WorkshopBindingModel model = new WorkshopBindingModel();
+			try
-			model.Id = id;
-			model.Title = title;
-			model.Address = address;
-			model.Director = director;
-			model.DateCreate = DateTime.Now;
-			model.UserId = UserGuarantor.user!.Id;
-			var workers = _data.GetWorkers(UserGuarantor.user!.Id);
-			for (int i = 0; i < workerIds.Length; i++)
-			{
-				var worker = workers!.FirstOrDefault(x => x.Id == workerIds[i])!;
-				model.WorkshopWorker[workerIds[i]] = (worker);
-			}
-			bool changed = false;
-			if (model.WorkshopWorker.Count > 0)
 			{
+				WorkshopBindingModel model = new WorkshopBindingModel();
+				model.Id = id;
+				model.Title = title;
+				model.Address = address;
+				model.Director = director;
+				model.DateCreate = DateTime.Now;
+				model.UserId = UserGuarantor.user!.Id;
+				var workers = _data.GetWorkers(UserGuarantor.user!.Id);
+				for (int i = 0; i < workerIds.Length; i++)
+				{
+					var worker = workers!.FirstOrDefault(x => x.Id == workerIds[i])!;
+					model.WorkshopWorker[workerIds[i]] = (worker);
+				}
+				if (model.WorkshopWorker.Count == 0)
+					return RedirectToAction("IndexWorkshop");
 				if (id != 0)
 				{
-					changed = _data.UpdateWorkshop(model);
+					_data.UpdateWorkshop(model);
 				}
 				else
 				{
-					changed = _data.CreateWorkshop(model);
+					_data.CreateWorkshop(model);
 				}
-			}
+			} catch (InvalidOperationException ex) 
-			if (changed) 
-				return RedirectToAction("IndexWorkshop");
-			else
 			{
-				ViewBag.AllWorkers = workers;
+				ViewBag.ErrorMessage = "Такое название Цеха уже сущетсвует";
-				return View(model);
+				return View();
 			}
+			return RedirectToAction("IndexWorkshop");
 		}
 		[HttpGet]
 		public IActionResult Privacy()
@@ -255,12 +340,18 @@ namespace GuarantorAPP.Controllers
 		{
 			if (!IsLoggedIn)
 				return RedirectToAction("IndexNonReg");
-			GuarantorBindingModel user = new() { Id = id, Login = login, Email = email, Password = password, Name = name };
+			try
-			if (_data.UpdateUser(user))
 			{
-				UserGuarantor.user = new GuarantorViewModel { Id = id, Login = login, Password = password, Name = name, Email = email };
+				GuarantorBindingModel user = new() { Id = id, Login = login, Email = email, Password = password, Name = name };
+				if (_data.UpdateUser(user))
+				{
+					UserGuarantor.user = new GuarantorViewModel { Id = id, Login = login, Password = password, Name = name, Email = email };
+				}
+				return View(user);
+			} catch (Exception)
+			{
+				return RedirectToAction("IndexNonReg");
 			}
-			return View(user);
 		}
 		[HttpGet]
 		public IActionResult MachineWorkshopTimeChoose()
@@ -270,15 +361,8 @@ namespace GuarantorAPP.Controllers
 			return View();
 		}
 		[HttpPost]
-		public IActionResult SendReport(DateTime startDate, DateTime endDate)
-		{
-			return Ok();
-		}
-		[HttpPost]
 		public IActionResult TimeReportWeb(DateTime startDate, DateTime endDate)
 		{
-			if (!IsLoggedIn)
-				return RedirectToAction("IndexNonReg");
 			HttpContext.Session.SetString("StartDate", startDate.ToString());
 			HttpContext.Session.SetString("EndDate", endDate.ToString());
 			return RedirectToAction("MachineWorkshopTimeReport");
@@ -286,94 +370,141 @@ namespace GuarantorAPP.Controllers
 		[HttpGet]
 		public IActionResult MachineWorkshopTimeReport()
 		{
-			var startDateStr = HttpContext.Session.GetString("StartDate");
+			if (!IsLoggedIn)
-			var endDateStr = HttpContext.Session.GetString("EndDate");
+				return RedirectToAction("IndexNonReg");
-			var startDate = DateTime.Parse(startDateStr);
+			try
-			var endDate = DateTime.Parse(endDateStr).AddDays(1);
+			{
+				var startDateStr = HttpContext.Session.GetString("StartDate");
+				var endDateStr = HttpContext.Session.GetString("EndDate");
+				var startDate = DateTime.Parse(startDateStr);
+				var endDate = DateTime.Parse(endDateStr).AddDays(1);
 
-			var values = _data.GetTimeReport(startDate, endDate, UserId);
+				var values = _data.GetTimeReport(startDate, endDate, UserId);
-			ViewBag.StartDate = startDate;
+				ViewBag.StartDate = startDate;
-			ViewBag.EndDate = endDate;
+				ViewBag.EndDate = endDate;
-			return View(values);
+				return View(values);
+			} catch
+			{
+				return RedirectToAction("Index");
+			}
 		}
 		[HttpPost]
 		public void MachineWorkshopTimeMail()
 		{
-			var startDateStr = HttpContext.Session.GetString("StartDate");
+			try
-			var endDateStr = HttpContext.Session.GetString("EndDate");
-			var startDate = DateTime.Parse(startDateStr);
-			var endDate = DateTime.Parse(endDateStr).AddDays(1);
-			using (MemoryStream memoryStream = new MemoryStream())
 			{
-				_data.SendMailReport(startDate, endDate, UserId, memoryStream);
+				var startDateStr = HttpContext.Session.GetString("StartDate");
+				var endDateStr = HttpContext.Session.GetString("EndDate");
+				var startDate = DateTime.Parse(startDateStr);
+				var endDate = DateTime.Parse(endDateStr).AddDays(1);
+				using (MemoryStream memoryStream = new MemoryStream())
+				{
+					_data.SendMailReport(startDate, endDate, UserId, memoryStream);
+				}
+				Response.Redirect("MachineWorkshopTimeReport");
+			} catch
+			{
+				Response.Redirect("Error");
 			}
-			Response.Redirect("MachineWorkshopTimeReport");
 		}
 		[HttpGet]
 		public IActionResult WorkerProductChoose()
 		{
 			if (!IsLoggedIn)
 				return RedirectToAction("IndexNonReg");
-			var workers = _data.GetWorkers(UserId);
+			try
-			return View(workers);
+			{
+				var workers = _data.GetWorkers(UserId);
+				return View(workers);
+			} catch
+			{
+				return RedirectToAction("Error");
+			}
 		}
 		[HttpPost]
 		public IActionResult WorkerProductChoose(List<int> selectedItems, string reportType)
 		{
-			string value = string.Join("/", selectedItems);
+			try
-			HttpContext.Session.SetString("Workers", value);
+			{
-			if (reportType.Equals("default"))
+				string value = string.Join("/", selectedItems);
-				return RedirectToAction("WorkerProductReport");
+				HttpContext.Session.SetString("Workers", value);
-			else if (reportType.Equals("excel"))
+				if (reportType.Equals("default"))
-				return RedirectToAction("ExcelGenerate");
+					return RedirectToAction("WorkerProductReport");
-			else
+				else if (reportType.Equals("excel"))
-				return RedirectToAction("WordGenerate");
+					return RedirectToAction("ExcelGenerate");
+				else
+					return RedirectToAction("WordGenerate");
+			} catch
+			{
+				return RedirectToAction("Error");
+			}
 		}
 		public async Task<IActionResult> ExcelGenerate()
 		{
-			var value = HttpContext.Session.GetString("Workers");
+			try
-			if (value != null)
 			{
-				List<int> rawReports = value!.Split('/').Select(x => int.Parse(x)).ToList();
+				var value = HttpContext.Session.GetString("Workers");
-				using (MemoryStream memoryStream = new MemoryStream())
+				if (value != null)
 				{
-					_data.SaveReportExcel(rawReports, memoryStream);
+					List<int> rawReports = value!.Split('/').Select(x => int.Parse(x)).ToList();
-					memoryStream.Seek(0, SeekOrigin.Begin);
+					using (MemoryStream memoryStream = new MemoryStream())
-					var outputStream = new MemoryStream();
+					{
-					await memoryStream.CopyToAsync(outputStream);
+						_data.SaveReportExcel(rawReports, memoryStream);
-					outputStream.Seek(0, SeekOrigin.Begin);
+						memoryStream.Seek(0, SeekOrigin.Begin);
-					return File(outputStream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "ReportExcel.xlsx");
+						var outputStream = new MemoryStream();
+						await memoryStream.CopyToAsync(outputStream);
+						outputStream.Seek(0, SeekOrigin.Begin);
+						return File(outputStream, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "ReportExcel.xlsx");
+					}
 				}
+				return RedirectToAction("WorkerProductChoose");
+			} catch
+			{
+				RedirectToAction("Error");
 			}
-			return RedirectToAction("WorkerProductChoose");
 		}
 		public async Task<IActionResult> WordGenerate()
 		{
-			var value = HttpContext.Session.GetString("Workers");
+			try
-			if (value != null)
 			{
-				List<int> rawReports = value!.Split('/').Select(x => int.Parse(x)).ToList();
+				var value = HttpContext.Session.GetString("Workers");
-				using (MemoryStream memoryStream = new MemoryStream())
+				if (value != null)
 				{
-					_data.SaveReportWord(rawReports, memoryStream);
+					List<int> rawReports = value!.Split('/').Select(x => int.Parse(x)).ToList();
-					memoryStream.Seek(0, SeekOrigin.Begin);
+					using (MemoryStream memoryStream = new MemoryStream())
-					var outputStream = new MemoryStream();
+					{
-					await memoryStream.CopyToAsync(outputStream);
+						_data.SaveReportWord(rawReports, memoryStream);
-					outputStream.Seek(0, SeekOrigin.Begin);
+						memoryStream.Seek(0, SeekOrigin.Begin);
-					return File(outputStream, "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "ReportWord.docx");
+						var outputStream = new MemoryStream();
+						await memoryStream.CopyToAsync(outputStream);
+						outputStream.Seek(0, SeekOrigin.Begin);
+						return File(outputStream, "application/vnd.openxmlformats-officedocument.wordprocessingml.document", "ReportWord.docx");
+					}
 				}
+				return RedirectToAction("WorkerProductChoose");
+			} catch
+			{
+				return RedirectToAction("Error");
 			}
-			return RedirectToAction("WorkerProductChoose");
 		}
 		[HttpGet]
 		public IActionResult WorkerProductReport()
 		{
-			var value = HttpContext.Session.GetString("Workers");
+			if (!IsLoggedIn)
-			if(value != null)
+				return RedirectToAction("IndexNonReg");
+			try
 			{
-				List<int> rawReports = value!.Split(',').Select(x => int.Parse(x)).ToList();
+				var value = HttpContext.Session.GetString("Workers");
-				var reports = _data.GetProductReports(rawReports);
+				if (value != null)
-				return View(reports);
+				{
+					List<int> rawReports = value!.Split(',').Select(x => int.Parse(x)).ToList();
+					var reports = _data.GetProductReports(rawReports);
+					return View(reports);
+				}
+			}
+			catch 
+			{
+				return RedirectToAction("Error");
 			}
 			return View(new List<WorkerProductReportViewModel>());
 		}
@@ -386,27 +517,36 @@ namespace GuarantorAPP.Controllers
 		{
 			if (!IsLoggedIn)
 				return RedirectToAction("IndexNonReg");
-			var workshop = _data.GetWorkshop(id);
+			try
-			ViewBag.Workshop = workshop;
+			{
-			var productions = _data.GetProductions();
+				var workshop = _data.GetWorkshop(id);
-			return View(productions);
+				ViewBag.Workshop = workshop;
+				var productions = _data.GetProductions();
+				return View(productions);
+			}
+			catch (Exception) 
+			{
+				return RedirectToAction("IndexWorkshop");
+			}
 		}
 		[HttpPost]
 		public IActionResult WorkshopProductionAdd(int workshopId, int productionId)
 		{
-			if (!IsLoggedIn)
+			try
-				return RedirectToAction("IndexNonReg");
+			{
-			var workshop = _data.GetWorkshop(workshopId);
+				var workshop = _data.GetWorkshop(workshopId);
-			if (workshop == null)
+				if (workshop == null)
-				return RedirectToAction("Index");
+					return RedirectToAction("Index");
-			WorkshopBindingModel workshopBinding = new() { Id = workshopId, Title = workshop.Title, Address = workshop.Address, Director = workshop.Director, UserId = workshop.UserId, ProductionId = workshop.ProductionId, WorkshopWorker = workshop.WorkerWorkshops };
+				WorkshopBindingModel workshopBinding = new() { Id = workshopId, Title = workshop.Title, Address = workshop.Address, Director = workshop.Director, UserId = workshop.UserId, ProductionId = workshop.ProductionId, WorkshopWorker = workshop.WorkerWorkshops };
-			_data.UpdateWorkshop(workshopBinding);
+				_data.UpdateWorkshop(workshopBinding);
+			} 
+			catch (Exception) { }
 			return RedirectToAction("IndexWorkshop");
 		}
 		[ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
-		public IActionResult Error()
+		public IActionResult Error(string ex)
 		{
-			return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+			return View(ex);
 		}
 	}
 }

Course/GuarantorAPP/GuarantorData.cs

@@ -1,9 +1,11 @@
-using BusinessLogic.MailWorker;
+using BusinessLogic.BusinessLogic;
+using BusinessLogic.MailWorker;
 using BusinessLogic.OfficePackage;
 using Contracts.BindingModels;
 using Contracts.BusinessLogicsContracts;
 using Contracts.SearchModels;
 using Contracts.ViewModels;
+using DocumentFormat.OpenXml.Bibliography;
 
 namespace GuarantorAPP
 {
@@ -55,6 +57,11 @@ namespace GuarantorAPP
 			return _guarantorLogic.Update(model);
 		}
 
+		public bool CheckLogin(string login)
+		{
+			return _guarantorLogic.ReadElement(new() { Login = login }) == null;
+		}
+
 		public List<WorkerViewModel>? GetWorkers(int userId)
 		{
 			return _workerLogic.ReadList(new WorkerSearchModel() { UserId = userId });
@@ -75,7 +82,10 @@ namespace GuarantorAPP
 		{
 			return _workerLogic.ReadElement(new() { Id = id });
 		}
-
+		public bool CheckWorkerName(string name)
+		{
+			return _workerLogic.ReadElement(new() { Name = name }) == null;
+		}
 		public List<WorkshopViewModel>? GetWorkshops(int userId)
 		{
 			return _workshopLogic.ReadList(new WorkshopSearchModel() { UserId = userId });
@@ -96,8 +106,11 @@ namespace GuarantorAPP
 		{
 			return _workshopLogic.Create(model);
 		}
-
+        public bool CheckWorkshopTitle(string title)
-		public List<MachineViewModel>? GetMachines(int userId)
+        {
+            return _workshopLogic.ReadElement(new() { Title = title }) == null;
+        }
+        public List<MachineViewModel>? GetMachines(int userId)
 		{
 			return _machineLogic.ReadList(new() { UserId = userId });
 		}
@@ -117,12 +130,14 @@ namespace GuarantorAPP
 		{
 			return _machineLogic.Delete(new() { Id = machineId });
 		}
-
+        public bool CheckMachineTitle(string title)
-		public List<ProductionViewModel>? GetProductions()
+        {
+            return _machineLogic.ReadElement(new() { Title = title }) == null;
+        }
+        public List<ProductionViewModel>? GetProductions()
 		{
 			return _productionLogic.ReadList(null);
 		}
-
 		public List<MachineWorkshopTimeReport> GetTimeReport(DateTime? startDate, DateTime? endDate, int UserId)
 		{
 			var workshops = _workshopLogic.ReadList(new() { DateFrom = startDate, DateTo = endDate, UserId = UserId });

Course/GuarantorAPP/Views/Home/Privacy.cshtml

@@ -28,10 +28,10 @@
         </div>
     </div>
     <div class="row">
-        <div class="col-4">ФИО:</div>
+        <div class="col-4">Имя:</div>
         <div class="col-8">
-            <input type="text" name="fio" id="fio" value="@Model.Name" />
+            <input type="text" name="name" id="name" value="@Model.Name" />
-            <span id="fioError" class="text-danger"></span>
+            <span id="nameError" class="text-danger"></span>
         </div>
     </div>
     <div class="row">
@@ -43,11 +43,31 @@
 <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
 <script>
     $(document).ready(function () {
+        $('#login').blur(function () {
+            var login = $('#login').val();
+            if (login.length >= 5 && login.length <= 50) {
+                $.ajax({
+                    url: '@Url.Action("CheckLogin", "Home")',
+                    type: 'POST',
+                    data: { login: login },
+                    success: function (response) {
+                        if (!response.isUnique) {
+                            $('#loginError').text('Логин уже используется.');
+                        } else {
+                            $('#loginError').text('');
+                        }
+                    },
+                    error: function () {
+                        $('#loginError').text('Ошибка при проверке уникальности логина.');
+                    }
+                });
+            }
+        });
         $('#clientForm').submit(function (event) {
             var login = $('#login').val();
             var email = $('#email').val();
             var password = $('#password').val();
-            var fio = $('#fio').val();
+            var name = $('#name').val();
             var isValid = true;
 
             $('#loginError').text('');
@@ -74,9 +94,9 @@
                 isValid = false;
             }
 
-            // Валидация ФИО
+            // Валидация Имя
-            if (fio.length < 2 || fio.length > 20) {
+            if (name.length < 2 || name.length > 20) {
-                $('#fioError').text('ФИО должно быть от 2 до 20 символов.');
+                $('#nameError').text('Имя должно быть от 2 до 20 символов.');
                 isValid = false;
             }
 

Course/GuarantorAPP/Views/Home/Register.cshtml

@@ -50,6 +50,26 @@
 <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
 <script>
     $(document).ready(function () {
+        $('#login').blur(function () {
+            var login = $('#login').val();
+            if (login.length >= 5 && login.length <= 50) {
+                $.ajax({
+                    url: '@Url.Action("CheckLogin", "Home")',
+                    type: 'POST',
+                    data: { login: login },
+                    success: function (response) {
+                        if (!response.isUnique) {
+                            $('#loginError').text('Логин уже используется.');
+                        } else {
+                            $('#loginError').text('');
+                        }
+                    },
+                    error: function () {
+                        $('#loginError').text('Ошибка при проверке уникальности логина.');
+                    }
+                });
+            }
+        });
         $('#registerForm').submit(function (event) {
             var name = $('#name').val();
             var login = $('#login').val();

Course/GuarantorAPP/Views/Shared/_Layout.cshtml

@@ -16,7 +16,7 @@
         <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
             <div class="container-fluid">
                 <img src="~/images/Work-transformed.png" width="150" height="150" alt="Логотип">
-                <a asp-controller="Home" asp-action="Index">Приложение "Завод "Иди работать". Поручитель"</a>
+                <a asp-controller="Home" asp-action="Index" class="custom-link"><h1>Приложение "Завод "Иди работать". Поручитель"</h1></a>
                 <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Privacy">@ViewData["Name"]</a>
             </div>
         </nav>

Course/GuarantorAPP/wwwroot/css/site.css

@@ -15,4 +15,13 @@ html {
 
 body {
   margin-bottom: 60px;
+}
+.custom-link {
+    color: inherit;
+    text-decoration: none;
+}
+
+.custom-link:hover {
+    text-decoration: none;
+    color: inherit;
 }

Course/ImplementerApp/Views/Home/Register.cshtml

@@ -97,7 +97,7 @@
             }
 
             // Валидация почты
-            var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}$/;
+            var emailPattern = /^[a-zA-Z0-9._-]+@@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6}$/;
             if (!emailPattern.test(email)) {
                 $('#emailError').text('Неверный формат почты.');
                 isValid = false;