Initial commit

app/Http/Controllers/Shop/FavoriteController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Controllers\Shop;
+
+use App\Http\Controllers\Controller;
+use App\Models\Product;
+
+class FavoriteController extends Controller
+{
+    public function index()
+    {
+        $favoriteIds = $this->favoriteIds();
+        $position = array_flip($favoriteIds);
+
+        $products = Product::query()
+            ->whereIn('id', $favoriteIds)
+            ->where('is_active', true)
+            ->with('category')
+            ->get()
+            ->sortBy(fn (Product $product) => $position[$product->id] ?? PHP_INT_MAX)
+            ->values();
+
+        return view('shop.favorites', [
+            'products' => $products,
+        ]);
+    }
+
+    public function toggle(Product $product)
+    {
+        $favorites = $this->favoriteIds();
+        $exists = in_array($product->id, $favorites, true);
+
+        if ($exists) {
+            $favorites = array_values(array_filter($favorites, fn (int $id) => $id !== $product->id));
+            session()->put('favorites', $favorites);
+
+            return back()->with('status', "Товар \"{$product->name}\" удален из избранного.");
+        }
+
+        $favorites[] = $product->id;
+        session()->put('favorites', array_values(array_unique($favorites)));
+
+        return back()->with('status', "Товар \"{$product->name}\" добавлен в избранное.");
+    }
+
+    private function favoriteIds(): array
+    {
+        return array_values(array_map('intval', (array) session()->get('favorites', [])));
+    }
+}