Add webhook support for card transactions and notifications.

Some optimizations and fixes

Signed-off-by: Dmitrii <computer@yawaflua.tech>

Took 2 hours 4 minutes

backend/SpMega.Backend/Persistent/Models/Users/Card.cs

@@ -9,6 +9,8 @@ public class Card
     public string Name { get; set; }
     public string SpworldsID { get; set; }
     public string Token { get; set; }
+    public string ShortId { get; set; } = "";
+    public bool WebhookConnected { get; set; } = false;
 
     public int Balance { get; set; } = 0;
     

backend/SpMega.Backend/Persistent/Models/Users/User.cs

@@ -1,3 +1,4 @@
+using System.ComponentModel.DataAnnotations;
 using SpMega.Backend.Persistent.Models.Transactions;
 
 namespace SpMega.Backend.Persistent.Models.Users;
@@ -5,8 +6,10 @@ namespace SpMega.Backend.Persistent.Models.Users;
 public class User
 {
     public Guid Id { get; set; }
-    public string Username { get; set; }
-    public string Token { get; set; }
+    [MaxLength(2048)] public string Username { get; set; }
+    [MaxLength(2048)] public string Token { get; set; }
+
+    [MaxLength(2048)] public string? ShortId { get; set; }
 
     public List<Card> Cards { get; set; } = [];
     public List<Transaction> Transactions { get; set; } = [];

backend/SpMega.Backend/Persistent/Models/Users/UserSession.cs

@@ -1,12 +1,14 @@
+using System.ComponentModel.DataAnnotations;
+
 namespace SpMega.Backend.Persistent.Models.Users;
 
 public class UserSession
 {
     public Guid Id { get; set; }
-    public string Token { get; set; }
+    [MaxLength(2048)] public string Token { get; set; }
     public User? User { get; set; } = null;
     public Guid UserId { get; set; }
-    public string UserName { get; set; }
+    [MaxLength(2048)] public string UserName { get; set; }
     
     public DateTime CreatedAt { get; init; } = DateTime.UtcNow;
     public DateTime UpdatedAt { get; set; }