1 files changed, 31 insertions, 0 deletions
diff --git a/Logics/BaseUserAccountLogic.cs b/Logics/BaseUserAccountLogic.cs
new file mode 100644
index 0000000..1686bb6
--- /dev/null
+++ b/Logics/BaseUserAccountLogic.cs
@@ -0,0 +1,31 @@
+using Microsoft.AspNetCore.Identity;
+using BackendPIA.Services;
+using BackendPIA.Forms;
+using BackendPIA.Models;
+
+namespace BackendPIA.Logics {
+    public abstract class BaseUserAccountLogic {
+        protected readonly ITokenGenerator _token_generator;
+        protected readonly UserManager<UserAccount> _manager;
+        protected AuthenticationToken? _token;
+        public AuthenticationToken? Token { get { return _token; } }
+
+        public BaseUserAccountLogic(ITokenGenerator token_generator, UserManager<UserAccount> manager) {
+            _manager = manager;
+            _token_generator = token_generator;
+        }
+
+        protected async Task SetAuthenticationToken(UserAccount user) {
+            _token = new AuthenticationToken { Token = _token_generator.Generate(user, "administrator"), 
+                                               RefreshToken = _token_generator.GenerateRefreshToken() };
+            await SetUserRefreshToken(user);
+        }
+
+        // We overwrite or set the value of the session token in the database: all other previous logins are invalid.
+        private async Task SetUserRefreshToken(UserAccount user) {
+            user.SessionToken = _token.RefreshToken;
+            user.SessionTokenExpiryTime = DateTime.UtcNow.AddHours(3);
+            await _manager.UpdateAsync(user);
+        }
+    }
+}
+\ No newline at end of file