BusinessLogic/BusinessLogic.csproj

@@ -7,7 +7,16 @@
   </PropertyGroup>
 
 	<ItemGroup>
-    <Folder Include="BusinessLogic\" />
+		<Using Include="BCrypt.Net.BCrypt" Static="True"/>
+	</ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Contracts\Contracts.csproj" />
   </ItemGroup>
 
 </Project>

BusinessLogic/BusinessLogic/RoleLogic.cs

@@ -0,0 +1,96 @@
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Converters;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BusinessLogic.BusinessLogic
+{
+	public class RoleLogic : IRoleLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IRoleStorage _roleStorage;
+
+		public RoleLogic(ILogger<RoleLogic> logger, IRoleStorage roleStorage)
+		{
+			_logger = logger;
+			_roleStorage = roleStorage;
+		}
+
+		public RoleViewModel Create(RoleBindingModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			var role = _roleStorage.Insert(model);
+			if (role is null)
+			{
+				throw new Exception("Insert operation failed.");
+			}
+
+			return RoleConverter.ToView(role);
+		}
+
+		public RoleViewModel Delete(RoleSearchModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			_logger.LogInformation("Delete role. Id: {0}", model.Id);
+			var role = _roleStorage.Delete(model);
+			if (role is null)
+			{
+				throw new Exception("Delete operation failed.");
+			}
+
+			return RoleConverter.ToView(role);
+		}
+
+		public RoleViewModel ReadElement(RoleSearchModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			_logger.LogInformation("ReadElement. Id: {0}", model.Id);
+			var role = _roleStorage.GetElement(model);
+			if (role is null)
+			{
+				throw new ElementNotFoundException();
+			}
+			_logger.LogInformation("ReadElement find. Id: {0}", role.Id);
+
+			return RoleConverter.ToView(role);
+		}
+
+		public IEnumerable<RoleViewModel> ReadElements(RoleSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Id: {Id}", model?.Id);
+			var list = _roleStorage.GetList(model);
+			if (list is null || list.Count() == 0)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return [];
+			}
+			_logger.LogInformation("ReadList. Count: {Count}", list.Count());
+
+			return list.Select(RoleConverter.ToView);
+		}
+
+		public RoleViewModel Update(RoleBindingModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			var role = _roleStorage.Update(model);
+			if (role is null)
+			{
+				throw new Exception("Update operation failed.");
+			}
+			return RoleConverter.ToView(role);
+		}
+	}
+}

BusinessLogic/BusinessLogic/UserLogic.cs

@@ -0,0 +1,134 @@
+using BusinessLogic.Tools;
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Converters;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using Contracts.ViewModels;
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BusinessLogic.BusinessLogic
+{
+	public class UserLogic : IUserLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IUserStorage _userStorage;
+
+		public UserLogic(ILogger<UserLogic> logger, IUserStorage userStorage)
+		{
+			_logger = logger;
+			_userStorage = userStorage;
+		}
+
+		public UserViewModel Create(UserBindingModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+			// Проверяем пароль
+			_validatePassword(model.Password);
+			// Хешируем пароль
+			model.PasswordHash = PasswordHasher.Hash(model.Password);
+			var user = _userStorage.Insert(model);
+			if (user is null)
+			{
+				throw new Exception("Insert operation failed.");
+			}
+
+			return UserConverter.ToView(user);
+		}
+
+		public UserViewModel Delete(UserSearchModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			_logger.LogInformation("Delete user. Id: {0}", model.Id);
+			var user = _userStorage.Delete(model);
+			if (user is null)
+			{
+				throw new ElementNotFoundException();
+			}
+
+			return UserConverter.ToView(user);
+		}
+
+		public IEnumerable<UserViewModel> ReadElements(UserSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Id: {Id}", model?.Id);
+			var list = _userStorage.GetList(model);
+			if (list is null || list.Count() == 0)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return [];
+			}
+			_logger.LogInformation("ReadList. Count: {Count}", list.Count());
+
+			return list.Select(UserConverter.ToView);
+		}
+
+		public UserViewModel ReadElement(UserSearchModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			_logger.LogInformation("ReadElement. Id: {0}", model.Id);
+			var user = _userStorage.GetElement(model);
+			if (user is null)
+			{
+				throw new ElementNotFoundException();
+			}
+			_logger.LogInformation("ReadElement find. Id: {0}", user.Id);
+
+			return UserConverter.ToView(user);
+		}
+
+		public UserViewModel Update(UserBindingModel model)
+		{
+			ArgumentNullException.ThrowIfNull(model);
+
+			if (model.Password is not null)
+			{
+				_validatePassword(model.Password);
+				model.PasswordHash = PasswordHasher.Hash(model.Password);
+			}
+			var user = _userStorage.Update(model);
+			if (user is null)
+			{
+				throw new Exception("Update operation failed.");
+			}
+			return UserConverter.ToView(user);
+		}
+
+		public UserViewModel Login(string email, string password)
+		{
+			if (email is null)
+			{
+				throw new AccountException("Email is null");
+			}
+			var user = _userStorage.GetElement(new() { Email = email });
+
+			if (user is null)
+			{
+				throw new ElementNotFoundException();
+			}
+			// Проверяем пароль
+			_validatePassword(password);
+			if (!PasswordHasher.Verify(password, user.PasswordHash))
+			{
+				throw new AccountException("The passwords don't match.");
+			}
+			return UserConverter.ToView(user);
+		}
+
+		public void _validatePassword(string? password)
+		{
+			if (string.IsNullOrWhiteSpace(password))
+			{
+				throw new AccountException("The password is null.");
+			}
+		}
+	}
+}

BusinessLogic/Tools/PasswordHasher.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BusinessLogic.Tools
+{
+	internal class PasswordHasher
+	{
+		/// <summary>
+		/// Хеширует с использование SHA256
+		/// </summary>
+		/// <param name="password">Пароль</param>
+		/// <returns>Хеш пароля</returns>
+		public static string Hash(string password)
+		{
+			return BCrypt.Net.BCrypt.HashPassword(password);
+		}
+
+		/// <summary>
+		/// Проверяет на соответствие пароля и его хеша
+		/// </summary>
+		/// <param name="password">Пароль</param>
+		/// <param name="passHash">Хеш пароля</param>
+		/// <returns></returns>
+		public static bool Verify(string password, string passHash)
+		{
+			return BCrypt.Net.BCrypt.Verify(password, passHash);
+		}
+	}
+}

Contracts/BindingModels/RoleBindingModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BindingModels
+{
+	public class RoleBindingModel
+	{
+		public Guid Id { get; set; }
+		public string Name { get; set; } = string.Empty;
+	}
+}

Contracts/BindingModels/UserBindingModel.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BindingModels
+{
+	public class UserBindingModel
+	{
+		public Guid Id { get; set; }
+		public string FirstName { get; set; } = string.Empty;
+		public string SecondName { get; set; } = string.Empty;
+		public string Email { get; set; } = string.Empty;
+		public string PasswordHash { get; set; } = string.Empty;
+		public string? Password { get; set; }
+		public DateTime Birthday { get; set; }
+		public RoleBindingModel Role { get; set; } = null!;
+	}
+}

Contracts/BusinessLogicContracts/IRoleLogic.cs

@@ -0,0 +1,24 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BusinessLogicContracts
+{
+	public interface IRoleLogic
+	{
+		RoleViewModel Create(RoleBindingModel model);
+
+		RoleViewModel Update(RoleBindingModel model);
+
+		RoleViewModel ReadElement(RoleSearchModel model);
+
+		IEnumerable<RoleViewModel> ReadElements(RoleSearchModel? model);
+
+		RoleViewModel Delete(RoleSearchModel model);
+	}
+}

Contracts/BusinessLogicContracts/IUserLogic.cs

@@ -0,0 +1,27 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.BusinessLogicContracts
+{
+	public interface IUserLogic
+	{
+		UserViewModel Login(string email, string password);
+
+		UserViewModel Create(UserBindingModel model);
+
+		UserViewModel Update(UserBindingModel model);
+
+		UserViewModel ReadElement(UserSearchModel model);
+
+		IEnumerable<UserViewModel> ReadElements(UserSearchModel? model);
+
+		UserViewModel Delete(UserSearchModel model);
+	}
+}

Contracts/Contracts.csproj

@@ -6,12 +6,4 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="SearchModels\" />
-    <Folder Include="BindingModels\" />
-    <Folder Include="ViewModels\" />
-    <Folder Include="StorageContracts\" />
-    <Folder Include="BusinessLogicContracts\" />
-  </ItemGroup>
-
 </Project>

Contracts/Converters/RoleConverter.cs

@@ -0,0 +1,25 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.Converters
+{
+	public static class RoleConverter
+	{
+		public static RoleViewModel ToView(RoleBindingModel model) => new()
+		{
+			Id = model.Id,
+			Name = model.Name,
+		};
+
+		public static RoleBindingModel ToBinding(RoleViewModel model) => new()
+		{
+			Id = model.Id,
+			Name = model.Name,
+		};
+	}
+}

Contracts/Converters/UserConverter.cs

@@ -0,0 +1,33 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.Converters
+{
+	public static class UserConverter
+	{
+		public static UserViewModel ToView(UserBindingModel model) => new()
+		{
+			Id = model.Id,
+			FirstName = model.FirstName,
+			SecondName = model.SecondName,
+			Email = model.Email,
+			Birthday = model.Birthday,
+			Role = RoleConverter.ToView(model.Role),
+		};
+
+		public static UserBindingModel ToBinding(UserViewModel model) => new()
+		{
+			Id = model.Id,
+			FirstName = model.FirstName,
+			SecondName = model.SecondName,
+			Email = model.Email,
+			Birthday = model.Birthday,
+			Role = RoleConverter.ToBinding(model.Role),
+		};
+	}
+}

Contracts/Exceptions/AccountException.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.Exceptions
+{
+	public class AccountException : Exception
+	{
+		public AccountException()
+		{
+		}
+
+		public AccountException(string message) : base(message)
+		{
+		}
+
+		public AccountException(string message, Exception inner) : base(message, inner)
+		{
+		}
+	}
+}

Contracts/Exceptions/ElementNotFoundException.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.Exceptions
+{
+	public class ElementNotFoundException : Exception
+	{
+		public ElementNotFoundException() : base("Element not founded.")
+		{
+		}
+
+		public ElementNotFoundException(string message) : base(message)
+		{
+		}
+
+		public ElementNotFoundException(string message, Exception inner) : base(message, inner)
+		{
+		}
+	}
+}

Contracts/SearchModels/RoleSearchModel.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.SearchModels
+{
+	public class RoleSearchModel
+	{
+		public Guid? Id { get; set; }
+	}
+}

Contracts/SearchModels/UserSearchModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.SearchModels
+{
+	public class UserSearchModel
+	{
+		public Guid? Id { get; set; }
+		public string? Email { get; set; }
+	}
+}

Contracts/StorageContracts/IRoleStorage.cs

@@ -0,0 +1,24 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.StorageContracts
+{
+	public interface IRoleStorage
+	{
+		RoleBindingModel? Insert(RoleBindingModel model);
+
+		IEnumerable<RoleBindingModel> GetList(RoleSearchModel? model);
+
+		RoleBindingModel? GetElement(RoleSearchModel model);
+
+		RoleBindingModel? Update(RoleBindingModel model);
+
+		RoleBindingModel? Delete(RoleSearchModel model);
+	}
+}

Contracts/StorageContracts/IUserStorage.cs

@@ -0,0 +1,23 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.StorageContracts
+{
+	public interface IUserStorage
+	{
+		UserBindingModel? Insert(UserBindingModel model);
+
+		IEnumerable<UserBindingModel> GetList(UserSearchModel? model);
+
+		UserBindingModel? GetElement(UserSearchModel model);
+
+		UserBindingModel? Update(UserBindingModel model);
+
+		UserBindingModel? Delete(UserSearchModel model);
+	}
+}

Contracts/ViewModels/RoleViewModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+	public class RoleViewModel
+	{
+		public Guid Id { get; set; }
+		public string Name { get; set; } = string.Empty;
+	}
+}

Contracts/ViewModels/UserViewModel.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Contracts.ViewModels
+{
+	public class UserViewModel
+	{
+		public Guid Id { get; set; }
+		public string FirstName { get; set; } = string.Empty;
+		public string SecondName { get; set; } = string.Empty;
+		public string Email { get; set; } = string.Empty;
+		public DateTime Birthday { get; set; }
+		public RoleViewModel Role { get; set; } = null!;
+	}
+}

DataModels/DataModels.csproj

@@ -6,8 +6,4 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="Models\" />
-  </ItemGroup>
-
 </Project>

DataModels/IId.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataModels
+{
+	public interface IId
+	{
+		Guid Id { get; }
+	}
+}

DataModels/Models/IRole.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataModels.Models
+{
+	public interface IRole : IId
+	{
+		string Name { get; }
+	}
+}

DataModels/Models/IUser.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DataModels.Models
+{
+	public interface IUser : IId
+	{
+		string FirstName { get; }
+		string SecondName { get; }
+		string PasswordHash { get; }
+		string Email { get; }
+		DateTime Birthday { get; }
+	}
+}

DatabaseImplement/Database.cs

@@ -0,0 +1,25 @@
+using DatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement
+{
+	public class Database : DbContext
+	{
+		protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+		{
+			if (optionsBuilder.IsConfigured == false)
+			{
+				optionsBuilder.UseNpgsql("Server=192.168.191.42:32768;Database=gun_market;Username=postgres;Password=7355608;");
+			}
+			base.OnConfiguring(optionsBuilder);
+		}
+
+		public virtual DbSet<Role> Roles { get; set; } = null!;
+		public virtual DbSet<User> Users { get; set; } = null!;
+	}
+}

DatabaseImplement/DatabaseImplement.csproj

@@ -7,8 +7,16 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <Folder Include="Models\" />
-    <Folder Include="Implements\" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.4" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Contracts\Contracts.csproj" />
+    <ProjectReference Include="..\DataModels\DataModels.csproj" />
   </ItemGroup>
 
 </Project>

DatabaseImplement/Implements/RoleStorage.cs

@@ -0,0 +1,88 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Implements
+{
+	public class RoleStorage : IRoleStorage
+	{
+		public RoleBindingModel? Delete(RoleSearchModel model)
+		{
+			if (model.Id is null)
+			{
+				return null;
+			}
+
+			var context = new Database();
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Id);
+			if (role is null)
+			{
+				return null;
+			}
+
+			context.Remove(role);
+			context.SaveChanges();
+			return role.GetBindingModel();
+		}
+
+		public RoleBindingModel? GetElement(RoleSearchModel model)
+		{
+			if (model.Id is null)
+			{
+				return null;
+			}
+			var context = new Database();
+			return context.Roles
+				.FirstOrDefault(r => r.Id == model.Id)
+				?.GetBindingModel();
+		}
+
+		public IEnumerable<RoleBindingModel> GetList(RoleSearchModel? model)
+		{
+			var context = new Database();
+			if (model is null)
+			{
+				return context.Roles.Select(r => r.GetBindingModel());
+			}
+			if (model.Id is null)
+			{
+				return [];
+			}
+			return context.Roles
+				.Where(r => r.Id == model.Id)
+				.Select(r => r.GetBindingModel());
+		}
+
+		public RoleBindingModel? Insert(RoleBindingModel model)
+		{
+			var context = new Database();
+			var newRole = Models.Role.ToRoleFromBinding(model);
+
+			context.Roles.Add(newRole);
+			context.SaveChanges();
+
+			return newRole.GetBindingModel();
+		}
+
+		public RoleBindingModel? Update(RoleBindingModel model)
+		{
+			var context = new Database();
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Id);
+
+			if (role is null)
+			{
+				return null;
+			}
+
+			role.Update(model);
+
+			context.SaveChanges();
+			return role.GetBindingModel();
+		}
+	}
+}

DatabaseImplement/Implements/UserStorage.cs

@@ -0,0 +1,109 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.StorageContracts;
+using DatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Diagnostics;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Implements
+{
+	public class UserStorage : IUserStorage
+	{
+		public UserBindingModel? Delete(UserSearchModel model)
+		{
+			if (model.Id is null && model.Email is null)
+			{
+				return null;
+			}
+
+			var context = new Database();
+			var user = context.Users.FirstOrDefault(u =>
+				(model.Id.HasValue && u.Id == model.Id)
+				|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)));
+
+			if (user is null)
+			{
+				return null;
+			}
+			context.Remove(user);
+			context.SaveChanges();
+
+			return user.GetBindingModel();
+		}
+
+		public UserBindingModel? GetElement(UserSearchModel model)
+		{
+			if (model.Id is null && model.Email is null)
+			{
+				return null;
+			}
+			var context = new Database();
+			return context.Users
+				.Include(u => u.Role)
+				.FirstOrDefault(u =>
+					(model.Id.HasValue && u.Id == model.Id)
+					|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)))
+				?.GetBindingModel();
+		}
+
+		public IEnumerable<UserBindingModel> GetList(UserSearchModel? model)
+		{
+			var context = new Database();
+			if (model is null)
+			{
+				return context.Users
+					.Include(u => u.Role)
+					.Select(r => r.GetBindingModel());
+			}
+			if (model.Id is null && model.Email is null)
+			{
+				return [];
+			}
+			return context.Users
+				.Where(u =>
+					(model.Id.HasValue && u.Id == model.Id)
+					|| (!string.IsNullOrEmpty(u.Email) && u.Email.Contains(model.Email)))
+				.Include(u => u.Role)
+				.Select(r => r.GetBindingModel());
+		}
+
+		public UserBindingModel? Insert(UserBindingModel model)
+		{
+			var context = new Database();
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Role.Id);
+			if (role is null)
+			{
+				return null;
+			}
+			var newUser = Models.User.ToUserFromBinding(model, role);
+
+			context.Users.Add(newUser);
+			context.SaveChanges();
+
+			return newUser.GetBindingModel();
+		}
+
+		public UserBindingModel? Update(UserBindingModel model)
+		{
+			var context = new Database();
+			var user = context.Users
+				.FirstOrDefault(u => u.Id == model.Id);
+			var role = context.Roles.FirstOrDefault(r => r.Id == model.Role.Id);
+
+			if (user is null || role is null)
+			{
+				return null;
+			}
+
+			user.Update(model, role);
+
+			context.SaveChanges();
+			return user.GetBindingModel();
+		}
+	}
+}

DatabaseImplement/Migrations/20240604184007_registration_init.Designer.cs

@@ -0,0 +1,89 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    [Migration("20240604184007_registration_init")]
+    partial class registration_init
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Migrations/20240604184007_registration_init.cs

@@ -0,0 +1,64 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    /// <inheritdoc />
+    public partial class registration_init : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Roles",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    Name = table.Column<string>(type: "text", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Roles", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Users",
+                columns: table => new
+                {
+                    Id = table.Column<Guid>(type: "uuid", nullable: false),
+                    FirstName = table.Column<string>(type: "text", nullable: false),
+                    SecondName = table.Column<string>(type: "text", nullable: false),
+                    PasswordHash = table.Column<string>(type: "text", nullable: false),
+                    Email = table.Column<string>(type: "text", nullable: false),
+                    Birthday = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
+                    RoleId = table.Column<Guid>(type: "uuid", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Users", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Users_Roles_RoleId",
+                        column: x => x.RoleId,
+                        principalTable: "Roles",
+                        principalColumn: "Id");
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Users_RoleId",
+                table: "Users",
+                column: "RoleId");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Users");
+
+            migrationBuilder.DropTable(
+                name: "Roles");
+        }
+    }
+}

DatabaseImplement/Migrations/DatabaseModelSnapshot.cs

@@ -0,0 +1,86 @@
+// <auto-generated />
+using System;
+using DatabaseImplement;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace DatabaseImplement.Migrations
+{
+    [DbContext(typeof(Database))]
+    partial class DatabaseModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("DatabaseImplement.Models.Role", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Roles");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.Property<Guid>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid");
+
+                    b.Property<DateTime>("Birthday")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("Email")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("FirstName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PasswordHash")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<Guid?>("RoleId")
+                        .HasColumnType("uuid");
+
+                    b.Property<string>("SecondName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RoleId");
+
+                    b.ToTable("Users");
+                });
+
+            modelBuilder.Entity("DatabaseImplement.Models.User", b =>
+                {
+                    b.HasOne("DatabaseImplement.Models.Role", "Role")
+                        .WithMany()
+                        .HasForeignKey("RoleId");
+
+                    b.Navigation("Role");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

DatabaseImplement/Models/Role.cs

@@ -0,0 +1,47 @@
+using Contracts.BindingModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Models
+{
+	public class Role : IRole
+	{
+		public Guid Id { get; set; }
+
+		[Required]
+		public string Name { get; set; } = string.Empty;
+
+		public RoleBindingModel GetBindingModel() => new()
+		{
+			Id = Id,
+			Name = Name,
+		};
+
+		public static Role ToRoleFromView(RoleViewModel model) => new()
+		{
+			Id = model.Id,
+			Name = model.Name,
+		};
+
+		public static Role ToRoleFromBinding(RoleBindingModel model) => new()
+		{
+			Id = model.Id,
+			Name = model.Name,
+		};
+
+		public void Update(RoleBindingModel model)
+		{
+			if (model is null)
+			{
+				throw new ArgumentNullException("Update role: bindinng model is null");
+			}
+			Name = model.Name;
+		}
+	}
+}

DatabaseImplement/Models/User.cs

@@ -0,0 +1,82 @@
+using Contracts.BindingModels;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using DataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DatabaseImplement.Models
+{
+	public class User : IUser
+	{
+		public Guid Id { get; set; }
+
+		[Required]
+		public string FirstName { get; set; } = string.Empty;
+
+		[Required]
+		public string SecondName { get; set; } = string.Empty;
+
+		[Required]
+		public string PasswordHash { get; set; } = string.Empty;
+
+		[Required]
+		public string Email { get; set; } = string.Empty;
+
+		[Required]
+		public DateTime Birthday { get; set; }
+
+		public Role? Role { get; set; }
+
+		public UserBindingModel GetBindingModel() => new()
+		{
+			Id = Id,
+			FirstName = FirstName,
+			SecondName = SecondName,
+			Email = Email,
+			PasswordHash = PasswordHash,
+			Birthday = Birthday,
+			Role = Role?.GetBindingModel() ?? new()
+		};
+
+		public static User ToUserFromView(UserViewModel model, Role role) => new()
+		{
+			Id = model.Id,
+			FirstName = model.FirstName,
+			SecondName = model.SecondName,
+			Email = model.Email,
+			Birthday = model.Birthday,
+			Role = role
+		};
+
+		public static User ToUserFromBinding(UserBindingModel model, Role role) => new()
+		{
+			Id = model.Id,
+			FirstName = model.FirstName,
+			SecondName = model.SecondName,
+			Email = model.Email,
+			PasswordHash = model.PasswordHash,
+			Birthday = model.Birthday,
+			Role = role
+		};
+
+		public void Update(UserBindingModel model, Role role)
+		{
+			if (model is null)
+			{
+				throw new ArgumentNullException("Update user: binding model is null");
+			}
+
+			Email = model.Email;
+			FirstName = model.FirstName;
+			SecondName = model.SecondName;
+			PasswordHash = model.PasswordHash;
+			Birthday = model.Birthday;
+			Role = role;
+		}
+	}
+}

RestAPI/Controllers/RoleController.cs

@@ -0,0 +1,120 @@
+using BusinessLogic.BusinessLogic;
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Contracts.ViewModels;
+using Microsoft.AspNetCore.Http.HttpResults;
+using Microsoft.AspNetCore.Mvc;
+
+namespace RestAPI.Controllers
+{
+	[Route("[controller]/[action]")]
+	[ApiController]
+	public class RoleController
+	{
+		private readonly ILogger _logger;
+		private readonly IRoleLogic _roleLogic;
+
+		public RoleController(ILogger<RoleController> logger, IRoleLogic roleLogic)
+		{
+			_logger = logger;
+			_roleLogic = roleLogic;
+		}
+
+		[HttpGet]
+		public IResult Get([FromQuery] RoleSearchModel model)
+		{
+			try
+			{
+				var res = _roleLogic.ReadElement(model);
+				return Results.Ok(res);
+			}
+			catch (ElementNotFoundException ex)
+			{
+				_logger.LogInformation(ex, "Role not found");
+				return Results.NoContent();
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error get role");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpGet]
+		public IResult GeFilteredtList([FromQuery] RoleSearchModel model)
+		{
+			try
+			{
+				var res = _roleLogic.ReadElements(model).ToList();
+				return Results.Ok(res);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error get list role");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpGet]
+		public IResult GetList()
+		{
+			try
+			{
+				var res = _roleLogic.ReadElements(null).ToList();
+				return Results.Ok(res);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error get list role");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpPost]
+		public IResult Create([FromBody] RoleBindingModel model)
+		{
+			try
+			{
+				var res = _roleLogic.Create(model);
+				return Results.Created(string.Empty, res);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error create role");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpPatch]
+		public IResult Update([FromBody] RoleBindingModel model)
+		{
+			try
+			{
+				var res = _roleLogic.Update(model);
+				return Results.Ok(res);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error update role");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpDelete]
+		public IResult Delete([FromQuery] RoleSearchModel model)
+		{
+			try
+			{
+				var res = _roleLogic.Delete(model); ;
+				return Results.Ok(res);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error delete role");
+				return Results.Problem(ex.Message);
+			}
+		}
+	}
+}

RestAPI/Controllers/UserController.cs

@@ -0,0 +1,130 @@
+using BusinessLogic.BusinessLogic;
+using Contracts.BindingModels;
+using Contracts.BusinessLogicContracts;
+using Contracts.Exceptions;
+using Contracts.SearchModels;
+using Microsoft.AspNetCore.Mvc;
+
+namespace RestAPI.Controllers
+{
+	[Route("[controller]/[action]")]
+	[ApiController]
+	public class UserController
+	{
+		private readonly ILogger _logger;
+		private readonly IUserLogic _userLogic;
+
+		public UserController(ILogger<UserController> logger, IUserLogic userLogic)
+		{
+			_userLogic = userLogic;
+			_logger = logger;
+		}
+
+		[HttpPost]
+		public IResult Login(string email, string password)
+		{
+			try
+			{
+				var res = _userLogic.Login(email, password);
+				return Results.Ok(res);
+			}
+			catch (ElementNotFoundException ex)
+			{
+				_logger.LogInformation(ex, "User not found");
+				return Results.NoContent();
+			}
+			catch (AccountException ex)
+			{
+				_logger.LogWarning(ex, "Wrong login data");
+				return Results.BadRequest(ex.Message);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error get user");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpPost]
+		public IResult Registration([FromBody] UserBindingModel model)
+		{
+			try
+			{
+				var res = _userLogic.Create(model);
+				return Results.Ok(res);
+			}
+			catch (AccountException ex)
+			{
+				_logger.LogWarning(ex, "Wrong registration data");
+				throw;
+				return Results.BadRequest(ex.Message);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error create user");
+				throw;
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpGet]
+		public IResult Get([FromQuery] UserSearchModel model)
+		{
+			try
+			{
+				var res = _userLogic.ReadElement(model);
+				return Results.Ok(res);
+			}
+			catch (ElementNotFoundException ex)
+			{
+				_logger.LogInformation(ex, "User not found");
+				return Results.NoContent();
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error get user");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpPatch]
+		public IResult Update([FromBody] UserBindingModel model)
+		{
+			try
+			{
+				var res = _userLogic.Update(model);
+				return Results.Ok(res);
+			}
+			catch (AccountException ex)
+			{
+				_logger.LogWarning(ex, "Wrong update data");
+				return Results.BadRequest(ex.Message);
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error update user");
+				return Results.Problem(ex.Message);
+			}
+		}
+
+		[HttpDelete]
+		public IResult Delete(Guid id)
+		{
+			try
+			{
+				var res = _userLogic.Delete(new() { Id = id });
+				return Results.Ok(res);
+			}
+			catch (ElementNotFoundException ex)
+			{
+				_logger.LogInformation(ex, "User not found");
+				return Results.NoContent();
+			}
+			catch (Exception ex)
+			{
+				_logger.LogError(ex, "Error delete user");
+				return Results.Problem(ex.Message);
+			}
+		}
+	}
+}

RestAPI/Controllers/WeatherForecastController.cs

@@ -1,33 +0,0 @@
-using Microsoft.AspNetCore.Mvc;
-
-namespace RestAPI.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 = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
-                TemperatureC = Random.Shared.Next(-20, 55),
-                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
-            })
-            .ToArray();
-        }
-    }
-}

RestAPI/Program.cs

@@ -1,11 +1,35 @@
+using BusinessLogic.BusinessLogic;
+using Contracts.BusinessLogicContracts;
+using Contracts.StorageContracts;
+using DatabaseImplement.Implements;
+using Microsoft.OpenApi.Models;
+using System;
+
+const string VERSION = "v1";
+const string TITLE = "21GunsRestAPI";
+
 var builder = WebApplication.CreateBuilder(args);
 
-// Add services to the container.
+builder.Logging.SetMinimumLevel(LogLevel.Trace);
+builder.Logging.AddLog4Net("log4net.config");
+
+#region DI
+
+builder.Services.AddTransient<IRoleLogic, RoleLogic>();
+builder.Services.AddTransient<IUserLogic, UserLogic>();
+
+builder.Services.AddTransient<IRoleStorage, RoleStorage>();
+builder.Services.AddTransient<IUserStorage, UserStorage>();
+
+#endregion DI
 
 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(VERSION, new OpenApiInfo { Title = TITLE, Version = VERSION });
+});
 
 var app = builder.Build();
 
@@ -13,7 +37,7 @@ var app = builder.Build();
 if (app.Environment.IsDevelopment())
 {
 	app.UseSwagger();
-    app.UseSwaggerUI();
+	app.UseSwaggerUI(c => c.SwaggerEndpoint($"/swagger/{VERSION}/swagger.json", $"{TITLE} {VERSION}"));
 }
 
 app.UseHttpsRedirection();

RestAPI/RestAPI.csproj

@@ -7,7 +7,24 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="8.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\BusinessLogic\BusinessLogic.csproj" />
+    <ProjectReference Include="..\Contracts\Contracts.csproj" />
+    <ProjectReference Include="..\DatabaseImplement\DatabaseImplement.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Content Update="log4net.config">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+
 </Project>

RestAPI/RestAPI.http

@@ -1,6 +1,6 @@
 @RestAPI_HostAddress = http://localhost:5168
 
-GET {{RestAPI_HostAddress}}/weatherforecast/
+GET {{RestAPI_HostAddress}}/api/
 Accept: application/json
 
 ###

RestAPI/WeatherForecast.cs

@@ -1,13 +0,0 @@
-namespace RestAPI
-{
-    public class WeatherForecast
-    {
-        public DateOnly Date { get; set; }
-
-        public int TemperatureC { get; set; }
-
-        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
-
-        public string? Summary { get; set; }
-    }
-}

RestAPI/log4net.config

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<log4net>
+	<appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
+		<file value="c:/temp/RestAPI.log" />
+		<appendToFile value="true" />
+		<maximumFileSize value="100KB" />
+		<maxSizeRollBackups value="2" />
+		<layout type="log4net.Layout.PatternLayout">
+			<conversionPattern value="%date %5level %logger.%method [%line] - MESSAGE: %message%newline %exception" />
+		</layout>
+	</appender>
+	<root>
+		<level value="TRACE" />
+		<appender-ref ref="RollingFile" />
+	</root>
+</log4net>