some changes

UrphaCapital.Application/AuthServices/AuthService.cs

@@ -24,25 +24,16 @@ public TokenModel GenerateToken(Student user)
             SigningCredentials credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
             int expirePeriod = int.Parse(_configuration["JWTSettings:Expire"]!);
 
-            string ids = "";
-
-            foreach (var a in user.CourseIds)
-            {
-                ids += a.ToString() + " ";
-            }
-
             List<Claim> claims = new List<Claim>()
             {
                 new Claim(JwtRegisteredClaimNames.Jti, Guid.NewGuid().ToString()),
                 new Claim(JwtRegisteredClaimNames.Iat, EpochTime.GetIntDate(DateTime.UtcNow).ToString(CultureInfo.InvariantCulture), ClaimValueTypes.Integer64),
                 new Claim("UserId", user.Id.ToString()),
                 new Claim("Title", user.FullName),
                 new Claim("Phone", user.PhoneNumber),
-                new Claim("ids", ids),
                 new Claim("Address", user.Address),
                 new Claim("Email", user.Email),
                 new Claim("Role", user.Role!),
-                new Claim(ClaimTypes.UserData, ids)
             };
 
 

UrphaCapital.Domain/Entities/Auth/Student.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 
 namespace UrphaCapital.Domain.Entities.Auth
@@ -15,7 +16,9 @@ public class Student
         public string Email { get; set; }
         public string PasswordHash { get; set; }
         public string Salt { get; set; }
-        public List<string> CourseIds { get; set; }
+
+        [JsonIgnore]
+        public List<string>? CourseIds { get; set; }
         public string Role { get; set; }
     }
 }

UrphaCapital.Domain/Entities/Payment.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using UrphaCapital.Domain.Entities.Auth;
+
+namespace UrphaCapital.Domain.Entities
+{
+    public class Payment
+    {
+        public long Id { get; set; }
+        public long StudentId { get; set; }
+        public Guid CourseId { get; set; }
+        public decimal Amount { get; set; }
+
+        public DateTimeOffset PaymentDate = DateTimeOffset.UtcNow;
+        public string PaymentStatus { get; set; }
+        public Student Student { get; set; }
+        public Course Course { get; set; }
+    }
+}