Query scopes a route binding

use RoundlyConsulting\Coupons\Models\Coupon;

Coupon::query()->active()->get();
Coupon::query()->expired()->get();
Coupon::query()->exhausted()->get();
Coupon::query()->redeemable()->get();    // active AND not expired AND not at max usage
Coupon::query()->whereCode('SAVE20')->first();

Coupon::query()->expired()->onlyTrashed()->count();   // scopes combine with soft deletes

use Illuminate\Support\Facades\Route;
use RoundlyConsulting\Coupons\Models\Coupon;

Route::get('/coupons/{coupon}', fn (Coupon $coupon) => $coupon);   // /coupons/SAVE20 — or /coupons/save20

// .env — bind by primary key instead: /coupons/42
// COUPONS_ROUTE_KEY=id