hasMany(Media::class); } public function diapo() { return $this->hasMany(Media::class,'produit_id','id'); } public function remove_categorie($category_id){ $this->categorie()->detach($category_id); } public function categories() { return $this->belongsToMany(Categorie::class,'categorie_produit'); } public function promotion() { return $this->hasOne(Promotion::class); } }