refactor: move order number generation and stock management logic to OrderObserver

app/Http/Controllers/Admin/Manage/OrderController.php

@@ -57,22 +57,12 @@ public function store(OrderRequest $request): RedirectResponse
                     return $purchasePrice * $item['qty'];
                 });
 
-                $lastOrder = Order::whereDate('created_at', now()->format('Y-m-d'))
-                    ->lockForUpdate()
-                    ->count();
-
-                $sequence = str_pad($lastOrder + 1, 3, '0', STR_PAD_LEFT);
-                $orderNumber = 'ORD-'.now()->format('Ymd').'-'.$sequence;
-
                 $order = Order::create([
-                    'user_id' => auth()->id(),
-                    'order_number' => $orderNumber,
                     'customer_name' => $validated['customer_name'],
                     'cogs' => $cogs,
                     'subtotal' => $totalItemsPrice,
                     'discount' => $validated['discount'],
                     'payment' => $validated['payment'],
-                    'total' => $totalItemsPrice - $validated['discount'],
                     'payment_method' => $validated['payment_method'],
                     'order_status' => $validated['order_status'],
                     'order_channel' => $validated['order_channel'],
@@ -152,7 +142,6 @@ public function update(OrderRequest $request, Order $order): RedirectResponse
                     'subtotal' => $totalItemsPrice,
                     'discount' => $validated['discount'],
                     'payment' => $validated['payment'],
-                    'total' => $totalItemsPrice - $validated['discount'],
                     'payment_method' => $validated['payment_method'],
                     'order_status' => $validated['order_status'],
                     'order_channel' => $validated['order_channel'],
@@ -188,22 +177,9 @@ public function update(OrderRequest $request, Order $order): RedirectResponse
 
     public function destroy(Order $order): RedirectResponse
     {
-        try {
+        $order->delete();
-            DB::transaction(function () use ($order) {
-                foreach ($order->items as $item) {
-                    $item->product->increment('stock', $item->qty);
-                }
-                $order->delete();
-            });
 
-            return redirect()->back()->with('success', 'Pesanan berhasil dihapus');
+        return redirect()->back()->with('success', 'Pesanan berhasil dihapus');
-        } catch (\Throwable $e) {
-            LogHelper::logException($e, 'Failed to delete order', [
-                'order_id' => $order->id,
-            ]);
-
-            return redirect()->back()->with('error', 'Terjadi kesalahan, silakan hubungi pengembang');
-        }
     }
 
     public function bulkDestroy(Request $request): RedirectResponse
@@ -212,11 +188,8 @@ public function bulkDestroy(Request $request): RedirectResponse
 
         try {
             DB::transaction(function () use ($ids) {
-                $orders = Order::with('items')->whereIn('id', $ids)->get();
+                $orders = Order::whereIn('id', $ids)->get();
                 foreach ($orders as $order) {
-                    foreach ($order->items as $item) {
-                        $item->product->increment('stock', $item->qty);
-                    }
                     $order->delete();
                 }
             });

app/Models/Order.php

@@ -5,8 +5,10 @@
 use App\Enums\OrderChannel;
 use App\Enums\OrderStatus;
 use App\Enums\PaymentMethod;
+use App\Observers\OrderObserver;
 use Illuminate\Database\Eloquent\Attributes\Appends;
 use Illuminate\Database\Eloquent\Attributes\Guarded;
+use Illuminate\Database\Eloquent\Attributes\ObservedBy;
 use Illuminate\Database\Eloquent\Casts\Attribute;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
@@ -19,6 +21,7 @@
 
 #[Guarded(['id'])]
 #[Appends(['hpp_formatted', 'subtotal_formatted', 'discount_formatted', 'payment_formatted', 'total_formatted'])]
+#[ObservedBy([OrderObserver::class])]
 class Order extends Model
 {
     use HasFactory, LogsActivity, SoftDeletes;

app/Observers/OrderObserver.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\Order;
+
+class OrderObserver
+{
+    /**
+     * Handle the Order "creating" event.
+     */
+    public function creating(Order $order): void
+    {
+        $lastOrder = Order::whereDate('created_at', now()->format('Y-m-d'))
+            ->lockForUpdate()
+            ->count();
+
+        $sequence = str_pad($lastOrder + 1, 3, '0', STR_PAD_LEFT);
+        $order->order_number = 'ORD-'.now()->format('Ymd').'-'.$sequence;
+
+        $order->user_id = auth()->id();
+
+        $order->total = $order->subtotal - $order->discount;
+    }
+
+    /**
+     * Handle the Order "deleting" event.
+     */
+    public function deleting(Order $order): void
+    {
+        foreach ($order->items as $item) {
+            $item->product->increment('stock', $item->qty);
+        }
+    }
+}