Paillasse/portail/app/Models/RenduDevoir.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

class RenduDevoir extends Model
{
    protected $table = 'rendus_devoirs';

    protected $fillable = ['devoir_id', 'eleve_id', 'reponse', 'fichier_chemin', 'fichier_nom_original', 'fichier_taille_octets', 'note', 'rendu_a'];

    protected $casts = [
        'rendu_a' => 'datetime',
        'note' => 'integer',
    ];

    /** @return BelongsTo<Devoir, $this> */
    public function devoir(): BelongsTo
    {
        return $this->belongsTo(Devoir::class);
    }

    /** @return BelongsTo<Eleve, $this> */
    public function eleve(): BelongsTo
    {
        return $this->belongsTo(Eleve::class);
    }

    public function aUnFichier(): bool
    {
        return $this->fichier_chemin !== null;
    }
}