實作產品與庫存匯入邏輯 (ProductImport, InventoryImport) 並更新相關 Service 與 Controller

app/Modules/Inventory/Controllers/ProductController.php

@@ -16,6 +16,12 @@ use App\Modules\Inventory\Imports\ProductImport;
 
 class ProductController extends Controller
 {
+    protected $productService;
+
+    public function __construct(\App\Modules\Inventory\Contracts\ProductServiceInterface $productService)
+    {
+        $this->productService = $productService;
+    }
     /**
      * 顯示資源列表。
      */
@@ -195,15 +201,7 @@ class ProductController extends Controller
             'is_active' => 'boolean',
         ]);
 
-        if (empty($validated['code'])) {
-            $validated['code'] = $this->generateRandomCode();
-        }
-
-        if (empty($validated['barcode'])) {
-            $validated['barcode'] = $this->generateRandomBarcode();
-        }
-
-        $product = Product::create($validated);
+        $product = $this->productService->createProduct($validated);
 
         return redirect()->route('products.index')->with('success', '商品已建立');
     }
@@ -262,15 +260,7 @@ class ProductController extends Controller
             'is_active' => 'boolean',
         ]);
 
-        if (empty($validated['code'])) {
-            $validated['code'] = $this->generateRandomCode();
-        }
-
-        if (empty($validated['barcode'])) {
-            $validated['barcode'] = $this->generateRandomBarcode();
-        }
-
-        $product->update($validated);
+        $this->productService->updateProduct($product, $validated);
 
         if ($request->input('from') === 'show') {
             return redirect()->route('products.show', $product->id)->with('success', '商品已更新');
@@ -320,39 +310,4 @@ class ProductController extends Controller
             return redirect()->back()->withErrors(['file' => '匯入失敗: ' . $e->getMessage()]);
         }
     }
-
-    /**
-     * 生成隨機 8 碼代號 (大寫英文+數字)
-     */
-    private function generateRandomCode(): string
-    {
-        $characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
-        $code = '';
-        
-        do {
-            $code = '';
-            for ($i = 0; $i < 8; $i++) {
-                $code .= $characters[rand(0, strlen($characters) - 1)];
-            }
-        } while (Product::where('code', $code)->exists());
-
-        return $code;
-    }
-
-    /**
-     * 生成隨機 13 碼條碼 (純數字)
-     */
-    private function generateRandomBarcode(): string
-    {
-        $barcode = '';
-        
-        do {
-            $barcode = '';
-            for ($i = 0; $i < 13; $i++) {
-                $barcode .= rand(0, 9);
-            }
-        } while (Product::where('barcode', $barcode)->exists());
-
-        return $barcode;
-    }
 }