AuthSystem

Govor.API/Services/Authentication/AuthService.cs

@@ -0,0 +1,33 @@
+using Govor.Core.Infrastructure.Extensions;
+using Govor.Core.Repositories;
+using Govor.Core.Services;
+
+namespace Govor.API.Services.Authentication;
+
+public class AuthService : IAccountService
+{
+    private readonly IPasswordHasher _passwordHasher;
+    private readonly IUsersRepository _usersRepository;
+
+    public AuthService(IUsersRepository usersRepository, IPasswordHasher passwordHasher)
+    {
+        _usersRepository = usersRepository;
+        _passwordHasher = passwordHasher;
+    }
+    public Task RegistrationAsync(string name, string password)
+    {
+        throw new NotImplementedException();
+    }
+
+    public async Task<string> LoginAsync(string name, string password)
+    {
+        if (await _usersRepository.ExistsUsernameAsync(name) == false)
+            throw new UserNotRegisteredException(name);
+
+        throw new NotImplementedException();
+    }
+}
+
+public class UserAlreadyExistException(string username) : Exception($"{username} is already exists!") { }
+
+public class UserNotRegisteredException(string username) : Exception($"{username} is not registered!") { }

Govor.API/Services/PasswordHasher.cs

@@ -0,0 +1,16 @@
+using Govor.Core.Infrastructure.Extensions;
+
+namespace Govor.API.Services;
+
+public class PasswordHasher : IPasswordHasher
+{
+    public string Hash(string password)
+    {
+        return BCrypt.Net.BCrypt.HashPassword(password);
+    }
+
+    public bool Verify(string hashedPassword, string providedPassword)
+    {
+        return BCrypt.Net.BCrypt.Verify(hashedPassword, providedPassword);
+    }
+}