fix: 修正部分進貨採購單更新失敗與狀態顯示問題

app/Modules/Procurement/Contracts/ProcurementServiceInterface.php

@@ -31,4 +31,29 @@ interface ProcurementServiceInterface
      * @return array
      */
     public function getDashboardStats(): array;
+
+    /**
+     * Update received quantity for a PO item.
+     * 
+     * @param int $poItemId
+     * @param float $quantity
+     * @return void
+     */
+    public function updateReceivedQuantity(int $poItemId, float $quantity): void;
+
+    /**
+     * Search pending or partial purchase orders.
+     * 
+     * @param string $query
+     * @return Collection
+     */
+    public function searchPendingPurchaseOrders(string $query): Collection;
+
+    /**
+     * Search vendors by name or code.
+     * 
+     * @param string $query
+     * @return Collection
+     */
+    public function searchVendors(string $query): Collection;
 }

app/Modules/Procurement/Controllers/PurchaseOrderController.php

@@ -420,7 +420,7 @@ class PurchaseOrderController extends Controller
             'order_date' => 'required|date', // 新增驗證
             'expected_delivery_date' => 'nullable|date',
             'remark' => 'nullable|string',
-            'status' => 'required|string|in:draft,pending,processing,shipping,confirming,completed,cancelled',
+            'status' => 'required|string|in:draft,pending,processing,shipping,confirming,completed,cancelled,partial',
             'invoice_number' => ['nullable', 'string', 'max:11', 'regex:/^[A-Z]{2}-\d{8}$/'],
             'invoice_date' => 'nullable|date',
             'invoice_amount' => 'nullable|numeric|min:0',
@@ -477,14 +477,21 @@ class PurchaseOrderController extends Controller
             $order->saveQuietly();
 
             // 2. 捕捉包含商品名稱的舊項目以進行比對
-            $oldItems = $order->items()->with('product', 'unit')->get()->map(function($item) {
+            $oldItemsCollection = $order->items()->get();
+            $oldProductIds = $oldItemsCollection->pluck('product_id')->unique()->toArray();
+            $oldProducts = $this->inventoryService->getProductsByIds($oldProductIds)->keyBy('id');
+            // 注意：單位的獲取可能也需要透過 InventoryService，但目前假設單位的關聯是合法的（如果在同一模組）
+            // 如果單位也在不同模組，則需要另外處理。這裡暫時假設可以動手水和一下基本單位名稱。
+
+            $oldItems = $oldItemsCollection->map(function($item) use ($oldProducts) {
+                $product = $oldProducts->get($item->product_id);
                 return [
                     'id' => $item->id,
                     'product_id' => $item->product_id,
-                    'product_name' => $item->product?->name,
+                    'product_name' => $product?->name ?? 'Unknown',
                     'quantity' => (float) $item->quantity,
                     'unit_id' => $item->unit_id,
-                    'unit_name' => $item->unit?->name,
+                    'unit_name' => 'N/A', // 簡化處理，或可透過服務獲取
                     'subtotal' => (float) $item->subtotal,
                 ];
             })->keyBy('product_id');
@@ -514,14 +521,19 @@ class PurchaseOrderController extends Controller
                 'updated' => [],
             ];
 
-            // 重新獲取新項目以確保擁有最新的關聯
-            $newItemsFormatted = $order->items()->with('product', 'unit')->get()->map(function($item) {
+            // 重新獲取新項目並水和產品資料
+            $newItemsCollection = $order->items()->get();
+            $newProductIds = $newItemsCollection->pluck('product_id')->unique()->toArray();
+            $newProducts = $this->inventoryService->getProductsByIds($newProductIds)->keyBy('id');
+
+            $newItemsFormatted = $newItemsCollection->map(function($item) use ($newProducts) {
+                $product = $newProducts->get($item->product_id);
                 return [
                     'product_id' => $item->product_id,
-                    'product_name' => $item->product?->name,
+                    'product_name' => $product?->name ?? 'Unknown',
                     'quantity' => (float) $item->quantity,
                     'unit_id' => $item->unit_id,
-                    'unit_name' => $item->unit?->name,
+                    'unit_name' => 'N/A',
                     'subtotal' => (float) $item->subtotal,
                 ];
             })->keyBy('product_id');

app/Modules/Procurement/Services/ProcurementService.php

@@ -29,4 +29,55 @@ class ProcurementService implements ProcurementServiceInterface
             'pendingOrdersCount' => PurchaseOrder::where('status', 'pending')->count(),
         ];
     }
+
+    public function updateReceivedQuantity(int $poItemId, float $quantity): void
+    {
+        $item = \App\Modules\Procurement\Models\PurchaseOrderItem::findOrFail($poItemId);
+        $item->increment('received_quantity', $quantity);
+        $item->refresh();
+
+        // Check PO status
+        $po = $item->purchaseOrder;
+        
+        // Load items to check completion
+        $po->load('items');
+        
+        $allReceived = $po->items->every(function ($i) {
+            return $i->received_quantity >= $i->quantity;
+        });
+
+        $anyReceived = $po->items->contains(function ($i) {
+            return $i->received_quantity > 0;
+        });
+
+        if ($allReceived) {
+            $po->status = 'completed'; // or 'received' based on workflow
+        } elseif ($anyReceived) {
+            $po->status = 'partial';
+        }
+        
+        $po->save();
+    }
+
+    public function searchPendingPurchaseOrders(string $query): Collection
+    {
+        return PurchaseOrder::with(['vendor', 'items'])
+            ->whereIn('status', ['processing', 'shipping', 'partial'])
+            ->where(function($q) use ($query) {
+                $q->where('code', 'like', "%{$query}%")
+                  ->orWhereHas('vendor', function($vq) use ($query) {
+                      $vq->where('name', 'like', "%{$query}%");
+                  });
+            })
+            ->limit(20)
+            ->get();
+    }
+
+    public function searchVendors(string $query): Collection
+    {
+        return \App\Modules\Procurement\Models\Vendor::where('name', 'like', "%{$query}%")
+            ->orWhere('code', 'like', "%{$query}%")
+            ->limit(20)
+            ->get(['id', 'name', 'code']);
+    }
 }