- if current_user
  .block.light.subscription{ ":data-url" => "'#{namespace_project_issues_path(@project.namespace, @project)}/' + issue.id + '/toggle_subscription'" }
    %span.issuable-header-text.hide-collapsed.pull-left
      Notifications
    %button.btn.btn-default.pull-right.js-subscribe-button.issuable-subscribe-button.hide-collapsed{ type: "button" }
      %span
        {{issue.subscribed ? 'Unsubscribe' : 'Subscribe'}}