ldc-wenn-dann-mit-respekt/app/Http/Controllers/StoreController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\DB;
use Illuminate\Http\Request;

class StoreController extends Controller
{
    /**
     * Store by city
     *
     * @param \Illuminate\Http\Request $request
     * @param mixed                    $city
     * @return \App\Store;
     */
    public function city(Request $request, mixed $city)
    {
        // CSRF Token check.
        if (
            !(is_string($request->session()->token()) &&
                is_string($request->header('X-CSRF-TOKEN')) &&
                hash_equals($request->session()->token(), $request->header('X-CSRF-TOKEN')))
        ) {
            \abort(419);
        }

        if (is_numeric($city)) {
            $stores = DB::table('stores')
            ->join('retailregions', 'stores.region_id', '=', 'retailregions.id')
            ->join('retailgroups', 'retailregions.region_group', '=', 'retailgroups.id')
            ->select('stores.*', 'retailregions.*', 'retailgroups.*')
            ->where('stores.zipcode', $city)
            ->get();

            return $stores;
        } else {
            $stores = DB::table('stores')
            ->join('retailregions', 'stores.region_id', '=', 'retailregions.id')
            ->join('retailgroups', 'retailregions.region_group', '=', 'retailgroups.id')
            ->select('stores.*', 'retailregions.*', 'retailgroups.*')
            ->where('stores.city', $city)
            ->get();

            return $stores;
        }
    }
}