feat: initial foundation for collaborative canteen ordering system in vanilla PHP

2026-08-27 17:29:13 +07:00
commit 5effce30cb
52 changed files with 4915 additions and 0 deletions
@@ -0,0 +1,147 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controllers;
+
+use App\Core\Controller;
+use App\Core\Http\Request;
+use App\Core\Http\Response;
+use App\Models\Order;
+use App\Models\Product;
+use App\Models\Customer;
+
+class OrderController extends Controller
+{
+    public function index(Request $request, Response $response): string
+    {
+        $status = $request->get('status', 'all');
+        $search = $request->get('search');
+
+        $orders = Order::all($status, $search);
+
+        return $this->render('orders/index', [
+            'title' => 'Order Management',
+            'orders' => $orders,
+            'currentStatus' => $status,
+            'search' => $search,
+        ]);
+    }
+
+    public function create(Request $request, Response $response): string
+    {
+        $customers = Customer::all();
+        $products = Product::all();
+
+        return $this->render('orders/create', [
+            'title' => 'Create New Order',
+            'customers' => $customers,
+            'products' => $products,
+        ]);
+    }
+
+    public function store(Request $request, Response $response): Response
+    {
+        $customerId = (int)$request->post('customer_id');
+        $status = $request->post('status', 'Pending');
+        $tax = (float)$request->post('tax', 0.00);
+        $discount = (float)$request->post('discount', 0.00);
+        $notes = trim((string)$request->post('notes', ''));
+        $rawItems = $request->post('items', []);
+
+        if ($customerId <= 0) {
+            return $this->redirect('/orders/create', null, 'Please select a customer.');
+        }
+
+        if (empty($rawItems) || !is_array($rawItems)) {
+            return $this->redirect('/orders/create', null, 'Please add at least one product item.');
+        }
+
+        $subtotal = 0.0;
+        $itemsToSave = [];
+
+        foreach ($rawItems as $item) {
+            $productId = (int)($item['product_id'] ?? 0);
+            $qty = (int)($item['quantity'] ?? 0);
+            
+            if ($productId <= 0 || $qty <= 0) {
+                continue;
+            }
+
+            $product = Product::find($productId);
+            if (!$product) {
+                continue;
+            }
+
+            $unitPrice = (float)$product['price'];
+            $lineTotal = $unitPrice * $qty;
+            $subtotal += $lineTotal;
+
+            $itemsToSave[] = [
+                'product_id' => $productId,
+                'product_name' => $product['name'],
+                'quantity' => $qty,
+                'unit_price' => $unitPrice,
+                'total_price' => $lineTotal,
+            ];
+        }
+
+        if (empty($itemsToSave)) {
+            return $this->redirect('/orders/create', null, 'Please select valid products with quantities greater than 0.');
+        }
+
+        $total = max(0, $subtotal + $tax - $discount);
+
+        try {
+            $orderId = Order::createOrderWithItems([
+                'customer_id' => $customerId,
+                'status' => $status,
+                'subtotal' => $subtotal,
+                'tax' => $tax,
+                'discount' => $discount,
+                'total' => $total,
+                'notes' => $notes,
+            ], $itemsToSave);
+
+            return $this->redirect("/orders/{$orderId}", 'Order created successfully!');
+        } catch (\Throwable $e) {
+            return $this->redirect('/orders/create', null, 'Failed to create order: ' . $e->getMessage());
+        }
+    }
+
+    public function show(Request $request, Response $response, array $params): string|Response
+    {
+        $id = (int)($params['id'] ?? 0);
+        $order = Order::find($id);
+
+        if (!$order) {
+            return $this->redirect('/orders', null, 'Order not found.');
+        }
+
+        return $this->render('orders/show', [
+            'title' => "Order #{$order['order_number']}",
+            'order' => $order,
+        ]);
+    }
+
+    public function updateStatus(Request $request, Response $response, array $params): Response
+    {
+        $id = (int)($params['id'] ?? 0);
+        $status = $request->post('status');
+
+        $validStatuses = ['Pending', 'Processing', 'Completed', 'Cancelled'];
+        if (in_array($status, $validStatuses, true)) {
+            Order::updateStatus($id, $status);
+            return $this->redirect("/orders/{$id}", "Order status updated to '{$status}'.");
+        }
+
+        return $this->redirect("/orders/{$id}", null, 'Invalid order status.');
+    }
+
+    public function delete(Request $request, Response $response, array $params): Response
+    {
+        $id = (int)($params['id'] ?? 0);
+        Order::delete($id);
+        return $this->redirect('/orders', 'Order deleted successfully.');
+    }
+}