编辑行业产品扣减交易金

app/AdminSupplier/Controllers/IndustryProductController.php

@@ -13,6 +13,7 @@ use Dcat\Admin\Form\NestedForm;
 use Dcat\Admin\Grid;
 use Dcat\Admin\Show;
 use Dcat\Admin\Http\Controllers\AdminController;
+use Illuminate\Support\Facades\DB;
 
 class IndustryProductController extends AdminController
 {
@@ -202,12 +203,6 @@ class IndustryProductController extends AdminController
 				$form->deleteInput('type');
 			}
 
-			//判断交易金是否充足
-			$single = SystemSetting::val('single', 'price'); //单人头交易费
-			if (!$single || Admin::user()->deposit_normal < $single * $form->service_persons * $form->stock) {
-				return $form->response()->error('交易金不足，请先联系管理员充值');
-			}
-
 			//忽略字段
 			$form->ignore(['id', 'sale', 'created_at', 'updated_at', 'deleted_at']);
 
@@ -218,24 +213,42 @@ class IndustryProductController extends AdminController
 			} else if ($form->isEditing() && in_array($form->model()->status, [ProductStatus::SOLD_OUT, ProductStatus::ON_SALE])) { //如果原来是下架或上架状态才允许修改
 				$form->status = $form->status == ProductStatus::ON_SALE ? ProductStatus::ON_SALE : ProductStatus::SOLD_OUT;
 			}
-		})->saved(function (Form $form, $result) {
-			if ($form->isEditing() && $form->model()->wasChanged(['title', 'price', 'original_price', 'pictures', 'know', 'content'])) { //有extends判断不准
-				$form->model()->update(['status' => ProductStatus::UNAUDITED]);
+
+        	//处理交易金
+			//判断交易金是否充足
+			$single = SystemSetting::val('single', 'price'); //单人头交易费
+			if (!$single) {
+				return $form->response()->error('没有可用交易金，请先联系管理员充值');
 			}
 
 			//目前逻辑不考虑单人头交易费变动的情况
-			if ($result) { //新增处理
-				if ($form->isCreating()) {
-					$single = SystemSetting::val('single', 'price'); //单人头交易费
-					$change = $single * $form->service_persons * $form->stock; //变动的交易金
+			if ($form->isCreating() || $form->isEditing() && $form->model()->stock != $form->stock) {
+				DB::beginTransaction();
 
-					$supplier = Supplier::query()->find(Admin::user()->id); //不能使用Admin::user()修改，必须使用Supplier模型才能正确记录资金变动日志
-					$supplier->deposit_normal = $supplier->deposit_normal - $change; //正常交易金
-					$supplier->deposit_frozen = $supplier->deposit_frozen + $change; //冻结交易金
-					$supplier->save();
-				} else if ($form->isEditing()) {
+				$supplier = Supplier::query()->find(Admin::user()->id); //不能使用Admin::user()修改，必须使用Supplier模型才能正确记录资金变动日志
 
+				if ($form->isCreating()) { //新增处理
+					$change_deposit = $single * $form->service_persons * $form->stock;
+				} else if ($form->isEditing() && $form->model()->stock != $form->stock) { //库存变动时冻结或解冻相应的保证金
+					$change_deposit = $single * $form->service_persons * ($form->stock - $form->model()->stock);
 				}
+
+				if (Admin::user()->deposit_normal < $change_deposit) {
+					DB::rollBack();
+					return $form->response()->error('交易金不足，请先联系管理员充值');
+				}
+
+				$supplier->deposit_normal = $supplier->deposit_normal - $change_deposit; //正常交易金
+				$supplier->deposit_frozen = $supplier->deposit_frozen + $change_deposit; //冻结交易金
+				$supplier->save();
+			}
+		})->saved(function (Form $form, $result) {
+			if ($form->isEditing() && $form->model()->wasChanged(['title', 'price', 'original_price', 'pictures', 'know', 'content'])) { //有extends判断不准
+				$form->model()->update(['status' => ProductStatus::UNAUDITED]);
+			}
+
+			if ($result) {
+				DB::commit();
 			}
 		})->deleting(function (Form $form) {
 			//不允许删除非自己的数据