Merge pull request #452 from liberu-ecommerce/sweep/Enhance-Shopping-…

…Cart-Functionality-and-Inventory-Management

Enhance Shopping Cart Functionality and Inventory Management

app/Http/Controllers/CartController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Product;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\Session;
+
+class CartController extends Controller
+{
+    public function add(Request $request, Product $product)
+    {
+        $quantity = $request->input('quantity', 1);
+
+        if ($product->inventory_count < $quantity) {
+            return redirect()->back()->with('error', 'Not enough inventory available.');
+        }
+
+        $cart = Session::get('cart', []);
+
+        if (isset($cart[$product->id])) {
+            $cart[$product->id]['quantity'] += $quantity;
+        } else {
+            $cart[$product->id] = [
+                'name' => $product->name,
+                'price' => $product->price,
+                'quantity' => $quantity,
+                'is_downloadable' => $product->is_downloadable,
+            ];
+        }
+
+        Session::put('cart', $cart);
+
+        return redirect()->back()->with('success', 'Product added to cart successfully!');
+    }
+
+    public function index()
+    {
+        return view('cart.index');
+    }
+}

app/Http/Controllers/CheckoutController.php

@@ -15,6 +15,7 @@
 use App\Notifications\LowStockNotification;
 use Illuminate\Support\Facades\Notification;
 use App\Factories\PaymentGatewayFactory;
+use App\Models\Product; // Add this line to import the Product model
 
 class CheckoutController extends Controller
 {
@@ -66,6 +67,14 @@ public function processCheckout(Request $request)
                 ->with('error', 'Your cart is empty');
         }
 
+        // Verify inventory before processing
+        foreach ($cart as $productId => $item) {
+            $product = Product::find($productId);
+            if (!$product || $product->inventory_count < $item['quantity']) {
+                return redirect()->back()->with('error', 'Some items in your cart are no longer available in the requested quantity.');
+            }
+        }
+
         // Calculate total amount
         $subtotal = collect($cart)->sum(function($item) {
             return $item['price'] * $item['quantity'];
@@ -110,6 +119,12 @@ public function processCheckout(Request $request)
             }
         }
 
+        // Update inventory after successful payment
+        foreach ($cart as $productId => $item) {
+            $product = Product::find($productId);
+            $product->decrement('inventory_count', $item['quantity']);
+        }
+
         // Clear cart
         Session::forget('cart');
 

app/Http/Livewire/ShoppingCart.php

@@ -29,8 +29,19 @@ public function addToCart($productId, $name, $price, $quantity = 1)
     {
         $product = Product::findOrFail($productId);
 
+        // Verify inventory
+        if ($product->inventory_count < $quantity) {
+            session()->flash('error', 'Not enough inventory available.');
+            return;
+        }
+
         if (isset($this->items[$productId])) {
-            $this->items[$productId]['quantity'] += $quantity;
+            $newQuantity = $this->items[$productId]['quantity'] + $quantity;
+            if ($newQuantity > $product->inventory_count) {
+                session()->flash('error', 'Cannot add more items than available in stock.');
+                return;
+            }
+            $this->items[$productId]['quantity'] = $newQuantity;
         } else {
             $this->items[$productId] = [
                 'name' => $name,
@@ -42,6 +53,7 @@ public function addToCart($productId, $name, $price, $quantity = 1)
 
         Session::put('cart', $this->items);
         $this->emit('cartUpdated');
+        session()->flash('success', 'Product added to cart successfully!');
     }
 
     public function hasPhysicalProducts()

resources/views/products/index.blade.php

@@ -66,9 +66,15 @@ class="bg-blue-100 text-blue-800 text-xs font-semibold px-2.5 py-0.5 rounded dar
                             <div class="flex items-center justify-between">
                                 <span
                                     class="text-3xl font-bold text-gray-900 dark:text-white">${{ number_format($product->price, 2) }}</span>
-                                <a href="#"
-                                    class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">Add
-                                    to cart</a>
+                                <form action="{{ route('cart.add', $product) }}" method="POST" class="d-inline">
+                                    @csrf
+                                    <button type="submit" class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-5 py-2.5 text-center dark:bg-blue-600 dark:hover:bg-blue-700 dark:focus:ring-blue-800">
+                                        <svg class="-ms-2 me-2 h-5 w-5 inline" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24">
+                                            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4h1.5L8 16m0 0h8m-8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm.75-3H7.5M11 7H6.312M17 4v6m-3-3h6" />
+                                        </svg>
+                                        Add to cart
+                                    </button>
+                                </form>
                             </div>
                         </div>
                     </div>
@@ -85,4 +91,4 @@ class="text-white bg-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none
             </div>
         </div>
     </div>
-@endsection
+@endsection

resources/views/products/show.blade.php

@@ -42,6 +42,16 @@ class="form-control"
                         @if($product->inventory_count > 0)
                             <form action="{{ route('cart.add', $product) }}" method="POST" class="d-inline">
                                 @csrf
+                                <div class="flex items-center gap-2 mb-4">
+                                    <label for="quantity" class="text-sm font-medium">Quantity:</label>
+                                    <input type="number" 
+                                           name="quantity" 
+                                           id="quantity" 
+                                           class="w-20 rounded border-gray-300" 
+                                           value="1" 
+                                           min="1" 
+                                           max="{{ $product->inventory_count }}">
+                                </div>
                                 <button type="submit" class="btn btn-success mt-2">Add to Cart</button>
                             </form>
                         @endif

routes/web.php

@@ -18,6 +18,7 @@
 use App\Http\Controllers\SiteSettingController;
 use App\Http\Controllers\StripePaymentController;
 use App\Http\Controllers\SubscriptionController;
+use App\Http\Controllers\CartController; // New controller for cart
 
 /*
 |--------------------------------------------------------------------------
@@ -87,9 +88,8 @@
 Route::delete('/paypal/subscription/cancel', [PayPalPaymentController::class, 'cancelSubscription'])->name('paypal.subscription.cancel');
 
 // Cart route
-Route::get('/cart', function() {
-    return view('cart.index');
-})->name('cart.index');
+Route::post('/cart/add/{product}', [CartController::class, 'add'])->name('cart.add'); // New route
+Route::get('/cart', [CartController::class, 'index'])->name('cart.index'); // New route
 
 // Ratings and reviews
 Route::get('/product/{product}/reviews', [ReviewController::class, 'show'])->name('reviews.show');