|  |  |  | @ -220,22 +220,22 @@ class User < ApplicationRecord | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |   # 课堂的老师(创建者、老师、助教) | 
			
		
	
		
			
				
					|  |  |  |  |   def teacher_of_course?(course) | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2,3], is_active: 1) || admin? | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2,3], is_active: 1) || admin? || business? | 
			
		
	
		
			
				
					|  |  |  |  |   end | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |   # 课堂的老师(创建者、老师、助教),不用考虑当前身份 | 
			
		
	
		
			
				
					|  |  |  |  |   def teacher_of_course_non_active?(course) | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2,3]) || admin? | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2,3]) || admin? || business? | 
			
		
	
		
			
				
					|  |  |  |  |   end | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |   # 是否是教师,课堂管理员或者超级管理员 | 
			
		
	
		
			
				
					|  |  |  |  |   def teacher_or_admin?(course) | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2], is_active: 1) || admin? | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: [1,2], is_active: 1) || admin? || business? | 
			
		
	
		
			
				
					|  |  |  |  |   end | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |   # 课堂的创建者(考虑到多重身份的用户) | 
			
		
	
		
			
				
					|  |  |  |  |   def creator_of_course?(course) | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: 1, is_active: 1) || admin? | 
			
		
	
		
			
				
					|  |  |  |  |     course.course_members.exists?(user_id: id, role: 1, is_active: 1) || admin? || business? | 
			
		
	
		
			
				
					|  |  |  |  |   end | 
			
		
	
		
			
				
					|  |  |  |  | 
 | 
			
		
	
		
			
				
					|  |  |  |  |   # 课堂的学生 | 
			
		
	
	
		
			
				
					|  |  |  | 
 |