engagement system

app/Http/Controllers/BookmarkController.php

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+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Bookmark;
+use App\Models\Product;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Auth;
+
+class BookmarkController extends Controller
+{
+    /**
+     * Toggle bookmark for a product.
+     */
+    public function store(Product $product): JsonResponse
+    {
+        $user = Auth::user();
+
+        // Check if user already bookmarked
+        $existingBookmark = Bookmark::where('user_id', $user->id)
+            ->where('product_id', $product->id)
+            ->first();
+
+        if ($existingBookmark) {
+            // Remove bookmark
+            $existingBookmark->delete();
+            $bookmarked = false;
+        } else {
+            // Add bookmark
+            Bookmark::create([
+                'user_id' => $user->id,
+                'product_id' => $product->id,
+            ]);
+            $bookmarked = true;
+        }
+
+        return response()->json([
+            'success' => true,
+            'bookmarked' => $bookmarked,
+        ]);
+    }
+}