scinote-web/app/views/global_activities/_activity_list.html.erb

<% @grouped_activities.each do |date, activities| %>
  <div class="activities-day" data-date="<%= date %>">
    <div class="date-container">
      <a class="activities-group-expand-button"
         href="javascript:void(0);"
         id="activities-group-<%= date %>-button"
         data-toggle="collapse"
         data-turbolinks="false"
         data-target="#activities-group-<%= date %>">
        <span class="fas fa-chevron-down"></span>
        <%= l(Time.parse(date), format: :full_date) %>
      </a>
    </div>
    <div class="date-activities">
      <div class="activities-counter-label">
        <strong><%= activities.length %></strong>
        <%= t("activities.index.#{'activity'.pluralize(activities.length)}_counter_label") %>
      </div>
      <div class="collapse in activities-group"
          id="activities-group-<%= date %>"
          data-button-link="<%= "#activities-group-#{date}-button" %>">
          <% activities.each do |activity| %>
            <%= render partial: 'global_activities/activity.html.erb', locals: { activity: activity } %>
          <% end %>
      </div>
    </div>
  </div>
<% end %>