/**
* 删除一个分类
*
* @param $f3
*/
public function Remove($f3)
{
// 权限检查
$this->requirePrivilege('manage_goods_category_edit');
// 参数验证
$validator = new Validator($f3->get('GET'));
$meta_id = $validator->required()->digits()->min(1)->validate('meta_id');
if (!$this->validate($validator)) {
goto out;
}
$goodsCategoryService = new GoodsCategoryService();
$category = $goodsCategoryService->loadCategoryById($meta_id);
if ($category->isEmpty()) {
$this->addFlashMessage('分类不存在');
goto out;
}
// 检查当前分类是否存在子分类
$childArray = $goodsCategoryService->fetchCategoryArray($category['meta_id'], true);
if (!empty($childArray)) {
$this->addFlashMessage('当前分类有子分类，不能删除');
goto out;
}
// 检查当前分类是否有商品
$categoryGoodsCountArray = $goodsCategoryService->calcCategoryGoodsCount();
foreach ($categoryGoodsCountArray as $categoryItem) {
if ($meta_id == $categoryItem['cat_id'] && $categoryItem['goods_count'] > 0) {
$this->addFlashMessage('当前分类有商品，不能删除');
goto out;
}
}
// 删除分类
$category->erase();
// 清除商品分类的缓存
ClearHelper::clearGoodsCategory();
$this->addFlashMessage('分类删除成功');
out:
RouteHelper::reRoute($this, RouteHelper::getRefer(), false);
}
