1

app/controllers/graduation_topics_controller.rb

@@ -170,11 +170,12 @@ class GraduationTopicsController < ApplicationController
       teacher_group = @course.teacher_course_groups.where(:user_id => @graduation_topic.tea_id, :id => params[:group_id]).first
       unless teacher_group.present?
         member = @course.course_members.where(:user_id => @graduation_topic.tea_id).first
-        tip_exception("分班名称不能为空") if params[:course_group_name].blank?
-        course_group = CourseGroup.find_or_create_by!(:name => params[:course_group_name], :course_id => @course.id)
-        teacher_group = TeacherCourseGroup.find_or_create_by!(:course_id => @course.id, :course_member_id => member.try(:id),
-                                                  :user_id => @graduation_topic.tea_id,
-                                                  :course_group_id => course_group.try(:id))
+        if params[:course_group_name].present?
+          course_group = CourseGroup.find_or_create_by!(:name => params[:course_group_name], :course_id => @course.id)
+          teacher_group = TeacherCourseGroup.find_or_create_by!(:course_id => @course.id, :course_member_id => member.try(:id),
+                                                                :user_id => @graduation_topic.tea_id,
+                                                                :course_group_id => course_group.try(:id))
+        end
       end
       student_member = @course.course_members.where(:user_id => student_graduation_topic.user_id).first
       student_member.update_attributes(:course_group_id => teacher_group.course_group_id) if student_member.present?