app/views/bookmarks/_tools.html.erb
<div class="share-widget" role="group" aria-label="Actions including with nested dropdown">
<div class="dropdown">
<a class="btn btn-info btn-md dropdown-toggle" href="#" role="button" id="btnGroupDrop1" data-toggle="dropdown" data-display="static" aria-haspopup="true" aria-expanded="false">Share</a>
<div class="dropdown-menu dropdown-menu-right dropdown-menu-md-left" aria-labelledby="btnGroupDrop1">
<%= render_show_doc_actions @response.documents, document: nil, document_list: @response.documents, url_opts: Blacklight::Parameters.sanitize(params.to_unsafe_h) do |config, inner| %>
<% next if config.key == :citation || config.key == :ris %>
<% if (config.key == :bulk_ris) %>
<% bookmark_ids = current_user.bookmarks.map { |b| b.document_id.to_s }.join(',') %>
<a class="dropdown-item" href="<%= bulk_ris_bookmarks_path(item_ids: bookmark_ids) %>">RIS file</a>
<% else %>
<%= inner %>
<% end %>
<% end %>
</div>
</div>
</div>