Attendance Tracker

<%= course.title %>

<% course.lectures.order(:start_time).group_by { |lecture| lecture.week_number }.each do |(week_number, lectures)| %> <% lectures.each do |lecture| %> <% style = if lecture.start_time.future? then 'background: repeating-linear-gradient(45deg, #f3f4f6, #f3f4f6 10px, white 10px, white 20px);' else '' end %> <% if lecture.start_time.future? %> <% else %> <% end %> <% end %> <% end %>

Lecture	Date	Status	Action
Week <%= week_number %>
<%= lecture.title %>	<%= lecture.start_time.to_fs(:dmy) %>			<% if lecture.attendance.nil? %> <% elsif lecture.attendance.kind == 'concurrent' %> <% elsif lecture.attendance.kind == 'catchup' %> <% else %> <% lecture.attendance.kind %> <% end %>	<% if lecture.attendance.nil? %> Start <% else %> <%= link_to "Open recording", lecture.recording.recording_url %> <% end %>