Update favorites feature and improve UI components

app/Http/Controllers/Client/CartController.php

@@ -21,7 +21,11 @@ public function carts(){
     public function addToCart(Request $request){
         $cart = session()->get('cart');
         $id = $request->product_id;
-        $product = Product::where('id', $id)->first();
+
+        //****************************
+        //$product = Product::where('id', $id)->first();
+        //****************************
+        $product = Product::findOrFail($id);
 
         if(isset($cart[$id])) {
             $quantityUpdate = $cart[$id]["quantity"] + $request->quantity;

app/Http/Controllers/Client/FavoriteController.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Http\Controllers\Client;
+
+use App\Http\Controllers\Controller;
+use App\Models\Product;
+use App\Models\Shop;
+
+class FavoriteController extends Controller
+{
+    public function index()
+    {
+
+        $favorites = array_keys((array) session()->get('favorites', []));
+        $products = collect();
+        if (!empty($favorites)) {
+            $products = Product::whereIn('id', $favorites)->orderBy('id', 'DESC')->get();
+        }
+
+        $data = [
+            'shop' => Shop::first(),
+            'products' => $products,
+            'title' => 'Favorites',
+        ];
+
+        return view('client.favorites', $data);
+    }
+
+    public function add($id)
+    {
+//        if ($id <= 0) {
+//            return redirect()->back()->with('error', 'Invalid product ID!');
+//        }
+
+        $product = Product::findOrFail($id);
+
+        $favorites = session()->get('favorites', []);
+        $favorites[$product->id] = true;
+        session()->put('favorites', $favorites);
+
+        return redirect()->back()->with('success', 'Product added to favorites!');
+    }
+
+    public function remove($id)
+    {
+//        if ($id <= 0) {
+//            return redirect()->back()->with('error', 'Invalid product ID!');
+//        }
+
+        $favorites = session()->get('favorites', []);
+        if (isset($favorites[$id])) {
+            unset($favorites[$id]);
+            session()->put('favorites', $favorites);
+        }
+
+        return redirect()->back()->with('success', 'Product removed from favorites!');
+    }
+}

app/Http/Controllers/HomeController.php

@@ -26,17 +26,17 @@ public function __construct()
      * @return \Illuminate\Contracts\Support\Renderable
      */
     public function index()
-    {   
+    {
 
 
         if(!Auth::user()->shop){
             return view('admin.shop.create');
         }else{
-
+//dd(Order::where('status', 5)->sum('total'));
             $data = [
                 'title' => 'Dashboard',
-                'product' => Product::all()->count(),
-                'category' => Category::all()->count(),
+                'product' => Product::all()->count(),// use count instead of get()->count() for better performance
+                'category' => Category::all()->count(),//same here
                 'sales' => Order::where('status', 5)->sum('total'),
                 'order' => Order::where('status', 5)->count(),
                 'newOrder' => Order::all()->sortByDesc('id')->take(5)