400. feature: apply pending promocode

src/app/Filament/Resources/Promo/SaleResource.php

@@ -66,6 +66,8 @@ public static function form(Form $form): Form
                         ->prohibits('sale_fix')
                         ->requiredWithout('sale_fix'),
                     Forms\Components\TextInput::make('sale_fix')
+                        ->disabled()
+                        ->helperText('Функционал в разработке')
                         ->label('Фиксированный скидка')
                         ->placeholder('В копейках')
                         ->numeric()

src/app/Listeners/Promo/ApplyPendingPromocode.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Listeners\Promo;
+
+use App\Services\SaleService;
+use Illuminate\Auth\Events\Login;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Queue\InteractsWithQueue;
+
+class ApplyPendingPromocode
+{
+    /**
+     * Create the event listener.
+     */
+    public function __construct(private readonly SaleService $saleService)
+    {
+        //
+    }
+
+    /**
+     * Handle the event.
+     */
+    public function handle(Login $event): void
+    {
+        $this->saleService->applyPendingPromocode($event->user);
+    }
+}

src/app/Providers/EventServiceProvider.php

@@ -16,6 +16,7 @@
 use App\Listeners\MergeFavorites;
 use App\Listeners\Order\CreateInstallment;
 use App\Listeners\Order\DistributeOrder;
+use App\Listeners\Promo\ApplyPendingPromocode;
 use App\Listeners\SaveDevice;
 use App\Listeners\SendOrderInformationNotification;
 use App\Listeners\SyncOrderHistory;
@@ -45,6 +46,7 @@ class EventServiceProvider extends ServiceProvider
             SaveDevice::class,
             MergeFavorites::class,
             SyncOrderHistory::class,
+            ApplyPendingPromocode::class,
             // MergeCart::class,
         ],
         Analytics\ProductView::class => [

src/app/Services/SaleService.php

@@ -37,6 +37,11 @@ class SaleService
      */
     const REVIEW_SALE_KEY = 'review_sale';
 
+    /**
+     * The key for cookie with pending promocode.
+     */
+    const COOKIE_KEY_FOR_PENDING_PROMOCODE = 'pending_promocode';
+
     /**
      * List of discounts
      */
@@ -513,22 +518,50 @@ public function applyToOrder(Cart $cart, OrderData $orderData)
      */
     public function applyPromocode(string $promocodeCode): void
     {
-        /** @var Promocode */
-        $promocode = Promocode::query()->firstWhere('code', $this->preparePromocodeCode($promocodeCode));
-        if (!$promocode) {
+        if (!$promocode = $this->getPromocodeByCode($promocodeCode)) {
             return;
         }
 
         $user = auth()->user();
         if (!$user instanceof User) {
-            Cookie::queue('pending_promocode', $promocode->code, 60 * 24 * 7);
+            Cookie::queue(self::COOKIE_KEY_FOR_PENDING_PROMOCODE, $promocode->code, 60 * 24 * 7);
+
+            return;
+        }
+
+        $this->applyPromocodeToUser($promocode, $user);
+    }
+
+    /**
+     * Apply a pending promocode to the user's cart.
+     */
+    public function applyPendingPromocode($user): void
+    {
+        if (!$user instanceof User) {
+            return;
+        }
+
+        $pendingPromocodeCode = Cookie::get(self::COOKIE_KEY_FOR_PENDING_PROMOCODE);
+        if (!$pendingPromocodeCode) {
+            return;
+        }
+        Cookie::queue(Cookie::forget(self::COOKIE_KEY_FOR_PENDING_PROMOCODE));
 
+        if (!$promocode = $this->getPromocodeByCode($pendingPromocodeCode)) {
             return;
         }
 
         $this->applyPromocodeToUser($promocode, $user);
     }
 
+    /**
+     * Retrieve a promocode by its code.
+     */
+    private function getPromocodeByCode(string $code): ?Promocode
+    {
+        return Promocode::query()->firstWhere('code', $this->preparePromocodeCode($code));
+    }
+
     /**
      * Prepare the promocode code.
      */