first commit

backend/Models/User.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace backend.Models;
+
+public class User
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public int Id { get; set; }
+
+    [Required]
+    [MaxLength(100)]
+    public string FullName { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(50)]
+    public string Contact { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(4)]
+    public string TrackingCode { get; set; } = string.Empty;
+
+    // Navigation properties
+    public UserQuizAttempt? QuizAttempt { get; set; }
+    public ICollection<UserKhatmSelection> KhatmSelections { get; set; } = new List<UserKhatmSelection>();
+    public UserTotalScore? TotalScore { get; set; }
+}