- if (@page && @page.persisted?) - if can?(current_user, :create_wiki, @project) = link_to '#modal-new-wiki', class: "add-new-wiki btn btn-new", "data-toggle" => "modal" do New page = link_to project_wiki_history_path(@project, @page), class: "btn" do Page history - if can?(current_user, :create_wiki, @project) && @page.latest? = link_to project_wiki_edit_path(@project, @page), class: "btn js-wiki-edit" do Edit