ldc-dam/app/Models/Panier.php

<?php

namespace App\Models;

use App\Models\User;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Panier extends Model
{
    use SoftDeletes;

    /**
     * The accessors to append to the model's array form.
     *
     * @var array
     */
    protected $appends = [
        'mediacount', 'mediacover'
    ];

    /**
     * The attributes that are mass assignable.
     *
     * @var array
     */
    protected $fillable = [
        'description', 'libelle', 'statut'
    ];

    /**
     * The attributes that should be cast to native types.
     *
     * @var array
     */
    protected $casts = [
        'statut' => 'boolean'
    ];

    // * RELATIONSHIPS

    /**
     * BelongsTo user relation
     * Get the user that owns the panier.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function owner()
    {
        return $this->belongsTo(User::class, 'user_id');
    }

    /**
     * BelongsToMany users relation
     * The users that belong to the panier.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function usersFavoris()
    {
        return $this->belongsToMany(User::class);
    }

    /**
     * BelongsToMany mediaList relation
     * The mediaList that belong to the panier.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function mediaList()
    {
        return $this->belongsToMany(Media::class, 'panier_media');
    }

    // * GETTERS

    /**
     * Get mediacount attribute
     *
     * @return boolean
     */
    public function getMediacountAttribute(): int
    {
        return $this->mediaList()->count();
    }

    /**
     * Get mediacover attribute
     *
     * @return string
     */
    public function getMediacoverAttribute(): string
    {
        $media = $this->mediaList()->whereHas('typeMedia', function ($q) {
            // * Where type is Photo
            $q->where('codeTypemedia', 1);
        })->first();
        if ($media) {
            return $media->thumb_relative_path;
        }
        return '';
    }
}