first commit

backend/Models/QuizQuestion.cs

@@ -0,0 +1,37 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace backend.Models;
+
+public class QuizQuestion
+{
+    [Key]
+    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public int Id { get; set; }
+
+    [Required]
+    [MaxLength(500)]
+    public string QuestionText { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(200)]
+    public string Option1 { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(200)]
+    public string Option2 { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(200)]
+    public string Option3 { get; set; } = string.Empty;
+
+    [Required]
+    [MaxLength(200)]
+    public string Option4 { get; set; } = string.Empty;
+
+    [Required]
+    public int CorrectOption { get; set; } // 1-4
+
+    // Navigation
+    public ICollection<UserQuizAnswer> Answers { get; set; } = new List<UserQuizAnswer>();
+}