Enhance Checkout Process with Guest Checkout and Comprehensive Order Flow

app/Http/Controllers/CheckoutController.php

@@ -14,7 +14,6 @@
 use App\Models\User;
 use App\Notifications\LowStockNotification;
 use Illuminate\Support\Facades\Notification;
-
 use App\Factories\PaymentGatewayFactory;
 
 class CheckoutController extends Controller
@@ -26,17 +25,107 @@ public function __construct(ShippingService $shippingService)
         $this->shippingService = $shippingService;
     }
 
-    // ... (keep other methods unchanged)
+    public function initiateCheckout(Request $request)
+    {
+        $isGuest = Session::get('is_guest', false);
+        $cart = Session::get('cart', []);
+
+        if (empty($cart)) {
+            return redirect()->route('products.index')
+                ->with('error', 'Your cart is empty');
+        }
+
+        $shippingMethods = $this->shippingService->getAvailableShippingMethods();
+
+        return view('checkout.checkout', [
+            'cart' => $cart,
+            'shippingMethods' => $shippingMethods,
+            'isGuest' => $isGuest
+        ]);
+    }
+
+    public function processCheckout(Request $request)
+    {
+        $validator = Validator::make($request->all(), [
+            'email' => 'required|email',
+            'shipping_address' => 'required|string',
+            'shipping_method_id' => 'required|exists:shipping_methods,id',
+            'payment_method' => 'required|string'
+        ]);
+
+        if ($validator->fails()) {
+            return redirect()->back()
+                ->withErrors($validator)
+                ->withInput();
+        }
+
+        $cart = Session::get('cart', []);
+
+        if (empty($cart)) {
+            return redirect()->route('products.index')
+                ->with('error', 'Your cart is empty');
+        }
+
+        // Calculate total amount
+        $subtotal = collect($cart)->sum(function($item) {
+            return $item['price'] * $item['quantity'];
+        });
+
+        $shippingMethod = ShippingMethod::find($request->shipping_method_id);
+        $totalAmount = $subtotal + $shippingMethod->price;
+
+        // Create order
+        $order = Order::create([
+            'customer_email' => $request->email,
+            'shipping_address' => $request->shipping_address,
+            'shipping_method_id' => $request->shipping_method_id,
+            'payment_method' => $request->payment_method,
+            'total_amount' => $totalAmount,
+            'status' => 'pending'
+        ]);
+
+        // Process payment
+        $paymentResult = $this->processPayment($order, $request->payment_method);
+
+        if ($paymentResult['success']) {
+            $order->update(['status' => 'paid']);
+
+            // Clear cart
+            Session::forget('cart');
+
+            return redirect()->route('checkout.confirmation', ['order' => $order->id])
+                ->with('success', 'Order placed successfully!');
+        }
+
+        $order->update(['status' => 'failed']);
+        return redirect()->back()
+            ->with('error', 'Payment failed. Please try again.');
+    }
+
+    public function showConfirmation(Order $order)
+    {
+        return view('checkout.confirmation', [
+            'order' => $order
+        ]);
+    }
+
+    public function guestCheckout(Request $request)
+    {
+        $cart = Session::get('cart', []);
+
+        // Store cart in guest session
+        Session::put('guest_cart', $cart);
+        Session::put('is_guest', true);
+
+        return redirect()->route('checkout.initiate');
+    }
 
     protected function processPayment($order, $paymentMethod)
     {
         $paymentGateway = PaymentGatewayFactory::create($paymentMethod);
         return $paymentGateway->processPayment($order->total_amount, [
             'order_id' => $order->id,
-            'customer_email' => $order->customer_email,
-            // Add any other necessary payment details
+            'customer_email' => $order->customer_email
         ]);
     }
-
-    // ... (keep other methods unchanged)
 }