移除分类图片

app/Http/Controllers/Product/ProductCategoryController.php

@@ -7,15 +7,12 @@ use App\Http\Requests\Product\ProductCategoryFormRequest;
 use App\Models\ProductCategoryModel;
 use App\Models\ProductModel;
 use Illuminate\Http\JsonResponse;
-use Illuminate\Http\Request;
-use Illuminate\Support\Facades\Auth;
 use Modules\AnnoRoute\Attribute\DeleteRoute;
 use Modules\AnnoRoute\Attribute\GetRoute;
 use Modules\AnnoRoute\Attribute\PostRoute;
 use Modules\AnnoRoute\Attribute\PutRoute;
 use Modules\AnnoRoute\Attribute\RequestAttribute;
 use Modules\Common\Http\Controllers\BaseController;
-use Modules\SystemTool\Services\SysFileService;
 
 /**
  * 商品分类管理（多级分类：蔬菜/水果/其他）
@@ -37,34 +34,17 @@ class ProductCategoryController extends BaseController
         return $this->success(ProductCategoryModel::getTreeData(['id', 'name', 'parent_id'], true));
     }
 
-    /** 上传商品分类图片文件 */
-    #[PostRoute('/upload', 'create')]
-    public function uploadImage(Request $request, SysFileService $service): JsonResponse
-    {
-        $data = $request->validate(['file' => 'required|file']);
-        $result = $service->upload(
-            $data['file'],
-            9,
-            20,
-            Auth::id()
-        );
-        return $this->success($result);
-    }
-
     /** 创建分类 */
     #[PostRoute(authorize: 'create')]
     public function create(ProductCategoryFormRequest $request): JsonResponse
     {
         $validated = $request->validated();
-        $parentId = (int) $validated['parent_id'];
-        if ($parentId > 0 && ! ProductCategoryModel::whereKey($parentId)->exists()) {
-            throw new RepositoryException('父级分类不存在');
-        }
+        $this->assertParentIsTopLevel((int) $validated['parent_id']);
         ProductCategoryModel::create($validated);
         return $this->success();
     }
 
-    /** 编辑分类（防自引用成环） */
+    /** 编辑分类（防自引用成环；分类最多二级） */
     #[PutRoute(route: '/{id}', authorize: 'update', where: ['id' => '[0-9]+'])]
     public function update(int $id, ProductCategoryFormRequest $request): JsonResponse
     {
@@ -73,7 +53,12 @@ class ProductCategoryController extends BaseController
             throw new RepositoryException('分类不存在');
         }
         $validated = $request->validated();
-        $this->assertNoCycle($id, (int) $validated['parent_id']);
+        $parentId = (int) $validated['parent_id'];
+        $this->assertNoCycle($id, $parentId);
+        $this->assertParentIsTopLevel($parentId);
+        if ($parentId > 0 && ProductCategoryModel::where('parent_id', $id)->exists()) {
+            throw new RepositoryException('该分类下存在子分类，不能调整为子分类');
+        }
         $model->update($validated);
         return $this->success();
     }
@@ -96,6 +81,23 @@ class ProductCategoryController extends BaseController
         return $this->success();
     }
 
+    /**
+     * 校验父级分类：存在且必须为顶级分类（分类最多二级）
+     */
+    private function assertParentIsTopLevel(int $parentId): void
+    {
+        if ($parentId === 0) {
+            return;
+        }
+        $parent = ProductCategoryModel::whereKey($parentId)->first(['id', 'parent_id']);
+        if ($parent === null) {
+            throw new RepositoryException('父级分类不存在');
+        }
+        if ((int) $parent->parent_id !== 0) {
+            throw new RepositoryException('最多支持二级分类，不能选择子分类作为上级');
+        }
+    }
+
     /**
      * 沿父链向上检查，防止 parent_id 指向自身或子孙分类形成环
      */