ggdeals/app/Controllers/Vouchers.php

<?php

declare(strict_types=1);

namespace App\Controllers;

use App\Models\StoreModel;
use App\Libraries\Mongo;
use CodeIgniter\Controller;

class Vouchers extends Controller
{
    public function index(): string
    {
        $vouchers = Mongo::collection('vouchers')->find([], ['sort' => ['store' => 1]])->toArray();

        $data = [
            'pageTitle' => 'Promo Codes &amp; Coupons — GG.deals',
            'vouchers'  => $vouchers,
            'stores'    => (new StoreModel())->map(),
        ];

        return view('vouchers', $data);
    }

    public function store(string $code): string
    {
        $vouchers = Mongo::collection('vouchers')->find(['store' => $code], ['sort' => ['created' => -1]])->toArray();

        $data = [
            'pageTitle' => ucfirst($code) . ' promo codes — GG.deals',
            'vouchers'  => $vouchers,
            'stores'    => (new StoreModel())->map(),
            'storeCode' => $code,
        ];

        return view('vouchers', $data);
    }
}