fix: 修正部分進貨採購單更新失敗與狀態顯示問題

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']);
+    }
 }