alrahma_sunday_school_api/app/Models/CompetitionWinner.php

<?php

namespace App\Models;

class CompetitionWinner extends BaseModel
{
    protected $table = 'competition_winners';

    // legacy: useTimestamps = false
    public $timestamps = false;

    protected $fillable = ['competition_id', 'student_id', 'class_section_id', 'rank', 'score', 'prize_amount', 'created_at'];

    protected $casts = [
        'competition_id' => 'integer',
        'student_id' => 'integer',
        'class_section_id' => 'integer',
        'rank' => 'integer',
        'score' => 'integer',     // change to 'decimal:2' if needed
        'prize_amount' => 'decimal:2',   // adjust precision if needed
        'created_at' => 'datetime',
    ];

    /* Optional relationships */
    public function competition()
    {
        return $this->belongsTo(Competition::class, 'competition_id');
    }

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

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