/**
  * Remove sessionCart instance from DB
  *
  * @param Request $request
  * @return \Illuminate\Http\JsonResponse
  */
 public function removeCartItem(Request $request)
 {
     //get product by url
     $product = $this->productRepo->findByUrl($request->get('url'));
     //get a sessionCart instance
     $sessionCart = $this->sessionCartRepo->findBySessionIdAndProductId($this->sessionId, $product->id);
     //destroy it
     $this->sessionCartRepo->destroy($sessionCart->id);
     //return response
     return response()->json(['success' => 'Item removed from cart']);
 }