boursecu_server/app/Http/Controllers/Customer/PriceTriggerController.php

<?php
namespace App\Http\Controllers\Customer;

use App\Http\Controllers\SuperController;
use App\Models\PriceTrigger;
use App\Models\Product;
use Illuminate\Http\Request;
use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;

class PriceTriggerController extends SuperController
{
    public function __construct(Request $request)
    {
        $request->request->add(['customer_id'=>auth('customer')->id()]);
        $model = PriceTrigger::class;
        $this->with = ['customer'];
        $this->select = ['*'];
        $this->search = ['*'];
        parent::__construct($model, $this->with, $this->select);
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function index()
    {
        $query = PriceTrigger::where("customer_id", auth()->id());
        if (PriceTrigger::hasProductIdColumn()) {
            $query->with(['product:id,title']);
        }

        return response()->json($query->get());
    }

    public function store(Request $request)
    {
        $this->sanitizeProductId($request, true);

        return parent::store($request);
    }

    public function update(Request $request, $id)
    {
        $this->sanitizeProductId($request, false);

        return parent::update($request, $id);
    }

    private function sanitizeProductId(Request $request, bool $required): void
    {
        if (! PriceTrigger::hasProductIdColumn()) {
            $request->request->remove('product_id');

            return;
        }

        $productId = $request->input('product_id');
        if ($productId === null || $productId === '') {
            if ($required) {
                throw new UnprocessableEntityHttpException('محصول را انتخاب کنید');
            }
            $request->request->remove('product_id');

            return;
        }

        $exists = Product::query()
            ->where('id', (int) $productId)
            ->where('active', 1)
            ->exists();

        if (! $exists) {
            throw new UnprocessableEntityHttpException('محصول نامعتبر است');
        }

        $request->merge(['product_id' => (int) $productId]);
    }
}