Update

gistfile1.haml

  - for course in @courses
    - course.assessment_schedules.each do |assessment_schedule|
      %tr.assessments
        %td.course-title= course.title
        %td.assessment-title= assessment_schedule.assessment_template.title
        %td= assessment_schedule.assessment_template.created_at.to_s(:short)
        %td.start-btn.text-center
          - if assessment_schedule.takable?
            = link_to "Start", assessment_schedule_assessments_path(assessment_schedule), :method => 'post', :class => "btn start"