alrahma_sunday_school_api/app/Models/Exam.php

<?php

namespace App\Models;

class Exam extends BaseModel
{
    protected $table = 'exams';

    /**
     * Your legacy model only uses created_at (updatedField = '').
     * In Laravel, easiest is to disable timestamps and manage created_at yourself OR
     * enable timestamps but disable UPDATED_AT.
     *
     * We'll keep auto created_at, no updated_at:
     */
    public $timestamps = false;

    const UPDATED_AT = null; // ✅ no updated_at column

    protected $fillable = ['student_id', 'student_school_id', 'class_section_id', 'exam_name', 'created_at'];

    protected $casts = [
        'student_id' => 'integer',
        'school_id' => 'integer',
        'class_section_id' => 'integer',
    ];

    /* Optional relationships */
    public function student()
    {
        return $this->belongsTo(Student::class, 'student_id');
    }

    public function classSection()
    {
        return $this->belongsTo(ClassSection::class, 'class_section_id');
    }
}