alrahma_sunday_school_api/app/Models/PlacementBatch.php

<?php

namespace App\Models;

use App\Models\BaseModel;

class PlacementBatch extends BaseModel
{
    protected $table = 'placement_batches';

    // ✅ CI: useTimestamps = true (created_at/updated_at)
    public $timestamps = true;

    protected $fillable = [
        'placement_test',
        'school_year',
        'created_by',
        'updated_by',
        'created_at',
        'updated_at',
    ];

    protected $casts = [
        'created_by' => 'integer',
        'updated_by' => 'integer',
    ];

    /* Optional relationships */
    public function creator()
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function updater()
    {
        return $this->belongsTo(User::class, 'updated_by');
    }
}