refresh token generation added

TimetableDesigner.Backend.Services.Authentication.Core/Commands/AuthPassword/AuthPasswordHandler.cs

@@ -33,8 +33,9 @@ public class AuthPasswordHandler : IRequestHandler<AuthPasswordCommand, AuthPass
             return AuthPasswordResult.Failure();
         }
 
+        string refreshToken = await _tokenGenerator.GenerateRefreshTokenAsync(account, request.RememberMe);
         string accessToken = _tokenGenerator.GenerateAccessToken(account);
 
-        return null;
+        return AuthPasswordResult.Success(refreshToken, accessToken);
     }
 }

TimetableDesigner.Backend.Services.Authentication.Core/Helpers/ITokenGenerator.cs

@@ -5,6 +5,6 @@ namespace TimetableDesigner.Backend.Services.Authentication.Core.Helpers;
 public interface ITokenGenerator
 {
     string GenerateAccessToken(Account account);
-    Task<string> GenerateRefreshTokenAsync(Account account);
+    Task<string> GenerateRefreshTokenAsync(Account account, bool isExtendable);
     Task<string> ExtendRefreshTokenAsync();
 }

TimetableDesigner.Backend.Services.Authentication.Core/Helpers/TokenGenerator.cs

@@ -56,9 +56,28 @@ public class TokenGenerator : ITokenGenerator
         return handler.WriteToken(token);
     }
 
-    public async Task<string> GenerateRefreshTokenAsync(Account account)
+    public async Task<string> GenerateRefreshTokenAsync(Account account, bool isExtendable)
     {
-        return null;
+        string lifetimeSection = isExtendable ? "Extended" : "Normal";
+        int lifetime = _configuration.GetSection("Tokens")
+                                     .GetSection("RefreshToken")
+                                     .GetSection("Lifetime")
+                                     .GetValue<int>(lifetimeSection);
+        
+        Guid guid = Guid.NewGuid();
+        DateTimeOffset expirationDate = DateTimeOffset.UtcNow.AddMinutes(lifetime);
+
+        RefreshToken refreshToken = new RefreshToken
+        {
+            Token = guid,
+            ExpirationDate = expirationDate,
+            IsExtendable = isExtendable,
+            AccountId = account.Id,
+        };
+        await _databaseContext.RefreshTokens.AddAsync(refreshToken);
+        await _databaseContext.SaveChangesAsync();
+        
+        return guid.ToString();
     }
     
     public async Task<string> ExtendRefreshTokenAsync()

TimetableDesigner.Backend.Services.Authentication.Database/Model/Account.cs

@@ -8,5 +8,5 @@ public class Account
     public string PasswordSalt { get; set; } = null!;
     public uint Version { get; set; }
     
-    public virtual IEnumerable<RefreshToken> RefreshTokens { get; set; } = new List<RefreshToken>();
+    public virtual ICollection<RefreshToken> RefreshTokens { get; set; } = new List<RefreshToken>();
 }