school-platform/app/views/courses/_lectures_panel.html.erb

<div class="panel panel-default">
  <div class="panel-heading">
    Lectures
  </div>
  <table class="panel-body table table-striped table-bordered table-hover">
    <tbody>
      <% for lecture in @course.lectures do %>
        <tr>
          <td>
            <%= link_to lecture.starts_at, lecture %>
          </td>
          <td>
            <%= lecture.location %>
          </td>
          <td>
            <%= truncate(lecture.description, length: 70) %>
          </td>
          <% if current_user.is_course_teacher?(@course) %>
            <td>
              <%= link_to edit_lecture_path(lecture), class: "btn btn-primary" do %>
                <%= fa_icon "edit", text: "Edit" %>
              <% end %>
            </td>
          <% end %>
        </tr>
      <% end %>
    </tbody>
  </table>
</div>