socialforge/app/views/courses/_set_course_time.html.erb

<% 
	id = "finish_course_#{project.id}"
	display = (project.course_extra.teacher.id == User.current.id || User.current.admin?)
%>

<% if display #如果课程已结束%>
	<% linkPath = course_endTime_timeout?(project) ? restartcourse_project_path(project) :  finishcourse_project_path(project, format: :js) %>
	<% desc = course_endTime_timeout?(project) ? '重启' :  '关闭' %>

	<%= link_to "#{desc}课程", linkPath, :remote => true, :method => :post, :id => id, :confirm => ("确定要#{desc}课程？") %>
<% else %>
	<!-- 关闭课程block -->
<% end %>