boursecu_server/app/Exceptions/Handler.php

<?php

namespace App\Exceptions;

use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Throwable;

class Handler extends ExceptionHandler
{
    /**
     * A list of the exception types that are not reported.
     *
     * @var array<int, class-string<Throwable>>
     */
    protected $dontReport = [
        //
    ];

    /**
     * A list of the inputs that are never flashed for validation exceptions.
     *
     * @var array<int, string>
     */
    protected $dontFlash = [
        'current_password',
        'password',
        'password_confirmation',
    ];

    /**
     * Register the exception handling callbacks for the application.
     *
     * @return void
     */
    public function register()
    {
        $this->reportable(function (Throwable $e) {
            //
        });

        $this->renderable(function (\Illuminate\Database\QueryException $e, $request) {
            if ((int) ($e->errorInfo[1] ?? 0) !== 1264) {
                return null;
            }
            if (! $request->expectsJson()) {
                return null;
            }

            return response()->json([
                'message' => 'ثبت سفارش به‌خاطر محدودیت فیلد قیمت ممکن نشد. لطفاً دوباره تلاش کنید.',
            ], 422);
        });
    }
}