diff --git a/CaseAccounting/CaseAccountingContracts/SearchModels/UserSearchModel.cs b/CaseAccounting/CaseAccountingContracts/SearchModels/UserSearchModel.cs
index 7122c6d..3127700 100644
--- a/CaseAccounting/CaseAccountingContracts/SearchModels/UserSearchModel.cs
+++ b/CaseAccounting/CaseAccountingContracts/SearchModels/UserSearchModel.cs
@@ -9,5 +9,11 @@ namespace CaseAccountingContracts.SearchModels
     public class UserSearchModel
     {
         public int? Id { get; set; }
-    }
+
+		public string? Login { get; set; }
+
+		public string? Password { get; set; }
+
+		public int? RoleId { get; set; }
+	}
 }
diff --git a/CaseAccounting/CaseAccountingRestApi/CaseAccountingRestApi.csproj b/CaseAccounting/CaseAccountingRestApi/CaseAccountingRestApi.csproj
index 60bf9ea..de3712e 100644
--- a/CaseAccounting/CaseAccountingRestApi/CaseAccountingRestApi.csproj
+++ b/CaseAccounting/CaseAccountingRestApi/CaseAccountingRestApi.csproj
@@ -10,4 +10,10 @@
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.2.3" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\CaseAccountingBusinessLogics\CaseAccountingBusinessLogic.csproj" />
+    <ProjectReference Include="..\CaseAccountingContracts\CaseAccountingContracts.csproj" />
+    <ProjectReference Include="..\CaseAccountingDataBaseImplement\CaseAccountingDataBaseImplement.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs
new file mode 100644
index 0000000..e6b030d
--- /dev/null
+++ b/CaseAccounting/CaseAccountingRestApi/Controllers/CaseController.cs
@@ -0,0 +1,111 @@
+using CaseAccountingContracts.BindingModels;
+using CaseAccountingContracts.BusinessLogicContracts;
+using CaseAccountingContracts.SearchModels;
+using CaseAccountingContracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CaseAccountingRestApi.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+	public class CaseController : Controller
+	{
+		private readonly ICaseLogic _logic;
+		
+		public CaseController(ICaseLogic logic)
+		{
+			_logic = logic;
+		}
+
+		[HttpGet]
+		public CaseViewModel? Get(int id)
+		{
+			try
+			{
+				return _logic.ReadElement(new CaseSearchModel { Id = id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpGet]
+		public List<CaseViewModel>? GetAllByUser(int userId)
+		{
+			try
+			{
+				return _logic.ReadList(null);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		/*[HttpGet]
+		public List<CaseViewModel>? GetMany(int userId, int page)
+		{
+			try
+			{
+				return _logic.ReadList(new CaseSearchModel { UserId = userId, PageNumber = page, PageSize = 10 });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}*/
+
+		/*[HttpGet]
+		public int GetNumberOfPages(int userId)
+		{
+			try
+			{
+				return _studentLogic.GetNumberOfPages(userId);
+			}
+			catch (Exception ex)
+			{
+				throw;
+			}
+		}*/
+
+		[HttpPost]
+		public void Create(CaseBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Update(CaseBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Delete(CaseBindingModel model)
+		{
+			try
+			{
+				_logic.Delete(new() { Id = model.Id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+	}
+}
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/ContractController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/ContractController.cs
new file mode 100644
index 0000000..f9e8746
--- /dev/null
+++ b/CaseAccounting/CaseAccountingRestApi/Controllers/ContractController.cs
@@ -0,0 +1,85 @@
+using CaseAccountingContracts.BindingModels;
+using CaseAccountingContracts.BusinessLogicContracts;
+using CaseAccountingContracts.SearchModels;
+using CaseAccountingContracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CaseAccountingRestApi.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+	public class ContractController : Controller
+	{
+		private readonly IContractLogic _logic;
+		
+		public ContractController(IContractLogic logic)
+		{
+			_logic = logic;
+		}
+
+		[HttpGet]
+		public ContractViewModel? Get(int id)
+		{
+			try
+			{
+				return _logic.ReadElement(new ContractSearchModel { Id = id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpGet]
+		public List<ContractViewModel>? GetAllByUser(int userId)
+		{
+			try
+			{
+				return _logic.ReadList(null);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Create(ContractBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Update(ContractBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Delete(ContractBindingModel model)
+		{
+			try
+			{
+				_logic.Delete(new() { Id = model.Id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+	}
+}
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/DealController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/DealController.cs
new file mode 100644
index 0000000..9e2a139
--- /dev/null
+++ b/CaseAccounting/CaseAccountingRestApi/Controllers/DealController.cs
@@ -0,0 +1,85 @@
+using CaseAccountingContracts.BindingModels;
+using CaseAccountingContracts.BusinessLogicContracts;
+using CaseAccountingContracts.SearchModels;
+using CaseAccountingContracts.ViewModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CaseAccountingRestApi.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+	public class DealController : Controller
+	{
+		private readonly IDealLogic _logic;
+
+		public DealController(IDealLogic logic)
+		{
+			_logic = logic;
+		}
+
+		[HttpGet]
+		public DealViewModel? Get(int id)
+		{
+			try
+			{
+				return _logic.ReadElement(new DealSearchModel { Id = id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpGet]
+		public List<DealViewModel>? GetAllByUser(int userId)
+		{
+			try
+			{
+				return _logic.ReadList(null);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Create(DealBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Update(DealBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Delete(DealBindingModel model)
+		{
+			try
+			{
+				_logic.Delete(new() { Id = model.Id });
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+	}
+}
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/UserController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/UserController.cs
new file mode 100644
index 0000000..0f7a93e
--- /dev/null
+++ b/CaseAccounting/CaseAccountingRestApi/Controllers/UserController.cs
@@ -0,0 +1,65 @@
+using CaseAccountingContracts.BindingModels;
+using CaseAccountingContracts.BusinessLogicContracts;
+using CaseAccountingContracts.SearchModels;
+using CaseAccountingContracts.ViewModels;
+using CaseAccountingDataBaseImplement.Models;
+using Microsoft.AspNetCore.Mvc;
+
+namespace CaseAccountingRestApi.Controllers
+{
+	[Route("api/[controller]/[action]")]
+	[ApiController]
+	public class UserController : Controller
+	{
+		private readonly IUserLogic _logic;
+
+		public UserController(IUserLogic logic)
+		{
+			_logic = logic;
+		}
+
+		[HttpGet]
+		public UserViewModel? Login(string login, string password, Role role)
+		{
+			try
+			{
+				return _logic.ReadElement(new UserSearchModel
+				{
+					Login = login,
+					Password = password,
+					//Role = role
+				});
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void Register(UserBindingModel model)
+		{
+			try
+			{
+				_logic.Create(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+
+		[HttpPost]
+		public void UpdateData(UserBindingModel model)
+		{
+			try
+			{
+				_logic.Update(model);
+			}
+			catch (Exception)
+			{
+				throw;
+			}
+		}
+	}
+}
diff --git a/CaseAccounting/CaseAccountingRestApi/Controllers/WeatherForecastController.cs b/CaseAccounting/CaseAccountingRestApi/Controllers/WeatherForecastController.cs
deleted file mode 100644
index 4427342..0000000
--- a/CaseAccounting/CaseAccountingRestApi/Controllers/WeatherForecastController.cs
+++ /dev/null
@@ -1,33 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-
-namespace CaseAccountingRestApi.Controllers
-{
-	[ApiController]
-	[Route("[controller]")]
-	public class WeatherForecastController : ControllerBase
-	{
-		private static readonly string[] Summaries = new[]
-		{
-		"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
-	};
-
-		private readonly ILogger<WeatherForecastController> _logger;
-
-		public WeatherForecastController(ILogger<WeatherForecastController> logger)
-		{
-			_logger = logger;
-		}
-
-		[HttpGet(Name = "GetWeatherForecast")]
-		public IEnumerable<WeatherForecast> Get()
-		{
-			return Enumerable.Range(1, 5).Select(index => new WeatherForecast
-			{
-				Date = DateTime.Now.AddDays(index),
-				TemperatureC = Random.Shared.Next(-20, 55),
-				Summary = Summaries[Random.Shared.Next(Summaries.Length)]
-			})
-			.ToArray();
-		}
-	}
-}
\ No newline at end of file
diff --git a/CaseAccounting/CaseAccountingRestApi/Program.cs b/CaseAccounting/CaseAccountingRestApi/Program.cs
index d7a851e..308b4d2 100644
--- a/CaseAccounting/CaseAccountingRestApi/Program.cs
+++ b/CaseAccounting/CaseAccountingRestApi/Program.cs
@@ -1,11 +1,42 @@
+using CaseAccountingBusinessLogic.BusinessLogics;
+using CaseAccountingContracts.BusinessLogicContracts;
+using CaseAccountingContracts.StoragesContracts;
+using CaseAccountingDataBaseImplement.Implements;
+using Microsoft.OpenApi.Models;
+
 var builder = WebApplication.CreateBuilder(args);
 
+//builder.Logging.SetMinimumLevel(LogLevel.Trace);
+//builder.Logging.AddLog4Net("log4net.config");
+
 // Add services to the container.
+builder.Services.AddTransient<ICaseStorage, CaseStorage>();
+builder.Services.AddTransient<IContractStorage, ContractStorage>();
+builder.Services.AddTransient<IDealStorage, DealStorage>();
+builder.Services.AddTransient<IHearingStorage, HearingStorage>();
+builder.Services.AddTransient<ILawyerStorage, LawyerStorage>();
+builder.Services.AddTransient<ISpecializationStorage, SpecializationStorage>();
+builder.Services.AddTransient<IUserStorage, UserStorage>();
+
+builder.Services.AddTransient<ICaseLogic, CaseLogic>();
+builder.Services.AddTransient<IContractLogic, ContractLogic>();
+builder.Services.AddTransient<IDealLogic, DealLogic>();
+builder.Services.AddTransient<IHearingLogic, HearingLogic>();
+builder.Services.AddTransient<ILawyerLogic, LawyerLogic>();
+builder.Services.AddTransient<ISpecializationLogic, SpecializationLogic>();
+builder.Services.AddTransient<IUserLogic, UserLogic>();
 
 builder.Services.AddControllers();
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+builder.Services.AddSwaggerGen(c =>
+{
+	c.SwaggerDoc("v1", new OpenApiInfo
+	{
+		Title = "CaseAccountingRestApi",
+		Version = "v1"
+	});
+});
 
 var app = builder.Build();
 
@@ -13,7 +44,7 @@ var app = builder.Build();
 if (app.Environment.IsDevelopment())
 {
 	app.UseSwagger();
-	app.UseSwaggerUI();
+	app.UseSwaggerUI(c => c.SwaggerEndpoint("/swagger/v1/swagger.json", "CaseAccountingRestApi v1"));
 }
 
 app.UseHttpsRedirection();
diff --git a/CaseAccounting/CaseAccountingRestApi/WeatherForecast.cs b/CaseAccounting/CaseAccountingRestApi/WeatherForecast.cs
deleted file mode 100644
index 831d89e..0000000
--- a/CaseAccounting/CaseAccountingRestApi/WeatherForecast.cs
+++ /dev/null
@@ -1,13 +0,0 @@
-namespace CaseAccountingRestApi
-{
-	public class WeatherForecast
-	{
-		public DateTime Date { get; set; }
-
-		public int TemperatureC { get; set; }
-
-		public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-
-		public string? Summary { get; set; }
-	}
-}
\ No newline at end of file