生成采购单基础

app/Http/Controllers/Purchase/PurchaseOrderController.php

@@ -78,20 +78,28 @@ class PurchaseOrderController extends BaseController
         return $this->success();
     }
 
-    /** C1 按门店订单汇总生成采购单 */
+    /**
+     * C1 生成采购单：合并全部「已接单」门店订单（或指定的 order_ids），
+     * 生成后源订单转为「采购中」并回写 purchase_id
+     */
     #[PostRoute('/generate', 'generate')]
     public function generate(Request $request): JsonResponse
     {
         $data = $request->validate([
             'purchase_date' => 'required|date_format:Y-m-d',
+            'order_ids' => 'sometimes|array|min:1',
+            'order_ids.*' => 'integer|exists:store_order,id',
         ], [
             'purchase_date.required' => '请选择采购日期',
             'purchase_date.date_format' => '采购日期格式为 Y-m-d',
+            'order_ids.min' => '请选择要合并的订单',
+            'order_ids.*.exists' => '订单不存在',
         ]);
 
         $purchase = app(PurchaseGenerateService::class)->generate(
             $data['purchase_date'],
             (int) $request->user()->id,
+            array_map('intval', $data['order_ids'] ?? []),
         );
 
         return $this->success(