Reassigned <%= issuable.class.model_name.human.titleize %> <%= issuable.iid %>
<%= url_for([issuable.project.namespace.becomes(Namespace), issuable.project, issuable, {only_path: false}]) %>
Assignee changed <%= "from #{@previous_assignee.name}" if @previous_assignee -%>
to <%= "#{issuable.assignee_id ? issuable.assignee_name : 'Unassigned'}" %>