feat: 統一進貨單 UI、修復庫存異動紀錄與廠商詳情顯示報錯

app/Modules/Inventory/Controllers/InventoryController.php

@@ -10,6 +10,7 @@ use Inertia\Inertia;
 use App\Modules\Inventory\Models\Warehouse;
 use App\Modules\Inventory\Models\Product;
 use App\Modules\Inventory\Models\Inventory;
+use App\Modules\Inventory\Models\InventoryTransaction;
 use App\Modules\Inventory\Models\WarehouseProductSafetyStock;
 
 use App\Modules\Core\Contracts\CoreServiceInterface;
@@ -482,7 +483,60 @@ class InventoryController extends Controller
         $productId = $request->query('productId');
 
         if ($productId) {
-            // ... (略) ...
+            $product = Product::findOrFail($productId);
+            // 取得該倉庫中該商品的所有批號 ID
+            $inventoryIds = Inventory::where('warehouse_id', $warehouse->id)
+                ->where('product_id', $productId)
+                ->pluck('id')
+                ->toArray();
+
+            $transactionsRaw = InventoryTransaction::whereIn('inventory_id', $inventoryIds)
+                ->with('inventory') // 需要批號資訊
+                ->orderBy('actual_time', 'desc')
+                ->orderBy('id', 'desc')
+                ->get();
+
+            // 手動 Hydrate 使用者資料
+            $userIds = $transactionsRaw->pluck('user_id')->filter()->unique()->toArray();
+            $users = $this->coreService->getUsersByIds($userIds)->keyBy('id');
+
+            // 計算商品在該倉庫的總量（不分批號）
+            $currentRunningTotal = (float) Inventory::whereIn('id', $inventoryIds)->sum('quantity');
+
+            $transactions = $transactionsRaw->map(function ($tx) use ($users, &$currentRunningTotal) {
+                $user = $tx->user_id ? ($users[$tx->user_id] ?? null) : null;
+                $balanceAfter = $currentRunningTotal;
+                
+                // 為下一筆（較舊的）紀錄更新 Running Total
+                $currentRunningTotal -= (float) $tx->quantity;
+
+                return [
+                    'id' => (string) $tx->id,
+                    'type' => $tx->type,
+                    'quantity' => (float) $tx->quantity,
+                    'unit_cost' => (float) $tx->unit_cost, 
+                    'balanceAfter' => (float) $balanceAfter, // 顯示該商品在倉庫的累計結餘
+                    'reason' => $tx->reason,
+                    'userName' => $user ? $user->name : '系統',
+                    'actualTime' => $tx->actual_time ? $tx->actual_time->format('Y-m-d H:i') : $tx->created_at->format('Y-m-d H:i'),
+                    'batchNumber' => $tx->inventory?->batch_number ?? '-', // 補上批號資訊
+                ];
+            });
+
+            // 重新計算目前的總量（用於 Header 顯示，確保一致性）
+            $totalQuantity = Inventory::whereIn('id', $inventoryIds)->sum('quantity');
+
+            return Inertia::render('Warehouse/InventoryHistory', [
+                'warehouse' => $warehouse,
+                'inventory' => [
+                    'id' => null, // 跨批號查詢沒有單一 ID
+                    'productName' => $product->name,
+                    'productCode' => $product->code,
+                    'batchNumber' => '所有批號',
+                    'quantity' => (float) $totalQuantity,
+                ],
+                'transactions' => $transactions
+            ]);
         }
 
         if ($inventoryId) {