Auth endpoints

WebApp/Endpoints/GeneralUseHelperFunctions.cs

@@ -66,4 +66,25 @@ public class GeneralUseHelpers
         }
         return null;
     }
+
+    public async Task<Token> CreateNewToken(int userId)
+    {
+        var token = new Token
+        {
+            UserId = userId,
+            Value = "lah-" + Guid.NewGuid().ToString(),
+            ValidUntil = DateTime.UtcNow.AddDays(7)
+        };
+
+        _context.Tokens.Add(token);
+        await _context.SaveChangesAsync();
+
+        return token;
+    }
+
+    public async Task DeleteToken(Token token)
+    {
+        _context.Tokens.Remove(token);
+        await _context.SaveChangesAsync();
+    }
 }