alrahma_sunday_school_api/app/Models/Flag.php

<?php

namespace App\Models;

use App\Models\BaseModel;

class Flag extends BaseModel
{
    protected $table = 'flag';

    // Table contains created_at/updated_at; enable auto timestamps (recommended).
    public $timestamps = true;

    protected $fillable = [
        'student_id',
        'student_name',
        'grade',
        'flag',
        'flag_datetime',
        'flag_state',
        'updated_by_open',
        'open_description',
        'updated_by_closed',
        'close_description',
        'action_taken',
        'updated_by_canceled',
        'cancel_description',
        'semester',
        'school_year',
        'created_at',
        'updated_at',
    ];

    protected $casts = [
        'student_id'          => 'integer',
        'updated_by_open'     => 'integer',
        'updated_by_closed'   => 'integer',
        'updated_by_canceled' => 'integer',
        'flag_datetime'       => 'datetime',
    ];

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

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

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

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