Added quiz features

app/Models/UserQuizAttempt.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class UserQuizAttempt extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id',
+        'quiz_id',
+        'started_at',
+        'completed_at',
+        'total_score',
+        'correct_answers',
+        'wrong_answers',
+        'unanswered',
+        'status',
+    ];
+
+    protected $casts = [
+        'started_at' => 'datetime',
+        'completed_at' => 'datetime',
+        'total_score' => 'float',
+        'correct_answers' => 'integer',
+        'wrong_answers' => 'integer',
+        'unanswered' => 'integer',
+    ];
+
+    public function user()
+    {
+        return $this->belongsTo(User::class, 'user_id');
+    }
+
+    public function quiz()
+    {
+        return $this->belongsTo(Quiz::class, 'quiz_id');
+    }
+
+    public function answers()
+    {
+        return $this->hasMany(UserQuizAnswer::class, 'attempt_id');
+    }
+}