项目成员编辑 添加事务

app/controllers/members_controller.rb

@@ -301,9 +301,9 @@ class MembersController < ApplicationController
     #增加对课程成员修改的支持
     if @project
       if params[:membership]
+        ActiveRecord::Base.transaction do
+          begin
             @member.role_ids = params[:membership][:role_ids]
-
-        #added by nie
             if (params[:membership][:role_ids])
               role = Role.find(params[:membership][:role_ids][0])
               if role.allowed_to?(:is_manager)
@@ -318,9 +318,12 @@ class MembersController < ApplicationController
                 end
               end
             end
+            @member.save!
+          rescue Exception => e
+            puts e
+          end
+        end
       end
-
-      saved = @member.save
       respond_to do |format|
         format.html { redirect_to_settings_in_projects }
         format.js