增加售价限制，不能小于供应商价

app/AdminAgent/Controllers/AgentProductController.php

@@ -348,6 +348,8 @@ class AgentProductController extends AdminController
 					return $form->response()->error('产品ID '. $form->product_id .' 已下架');
 				} else if ($product->stock < $form->stock) {
 					return $form->response()->error("供应商当前库存为{$product->stock}，你设置的库存不能超过该数值");
+				} else if ($form->price < $product->price) {
+					return $form->response()->error("产品售价不能小于供应商售价{$product->price}");
 				}
 				$form->title = $product->title;
 				$form->pictures = $product->pictures;
@@ -386,6 +388,11 @@ class AgentProductController extends AdminController
 					return $form->response()->error('产品ID ' . join('，', $not_in_id) . ' 库存小于你设置的库存' . $form->stock . '，或不存在、已下架等');
 				}
 
+				$total_price = Product::query()->whereIn('id', $product_ids)->sum('price');
+				if ($form->price < $total_price) {
+					return $form->response()->error("产品售价不能小于供应商产品总售价{$total_price}");
+				}
+
 				//如果是组团版旅行社，标记为是云产品
 				if (Admin::user()->type == AgentType::CLUSTER) {
 					$form->hidden('is_cloud');
@@ -412,6 +419,8 @@ class AgentProductController extends AdminController
 					return $form->response()->error('你选择的组团云产品库存不足或已下架，请重新选择');
 				} else if ($cloud_product->stock < $form->stock) {
 					return $form->response()->error("组团云产品当前库存为{$cloud_product->stock}，你设置的库存不能超过该数值");
+				} else if ($form->price < $cloud_product->price) {
+					return $form->response()->error("产品售价不能小于组团云产品售价{$cloud_product->price}");
 				}
 
 				//同步关键字段信息