add no-mailing-list condition

views/DE/project/mailinglists.pug

@@ -20,21 +20,24 @@ html(lang="de")
             div(class="col-md-12 margin_bottom_30")
                 h2(class="text-center color_708090") <strong>Aktive Mailinglisten</strong>
                 div(class="table-responsive table-borderless")
-                    table(class="table table-striped table-bordered table-hover")
-                        thead()
-                            tr()
-                                th Name
-                                th Zum Abonnement der Mailingliste
-                                th Zum zugehörigen Projekt
-                                th Keywords
-                        tbody()
-                            for item in mailinglists
-                                if item.projectstatus == '1'
-                                    tr
-                                        td #{item.name}
-                                        td <a href="#{item.src}">#{item.src}</a>
-                                        td <a href='projectoverview?projectID=#{item.id}'>#{item.project_title}</a>
-                                        td #{item.keywords}
+                    if !mailinglists
+                        p There is no active mailing list at the moment
+                    else
+                        table(class="table table-striped table-bordered table-hover")
+                            thead()
+                                tr()
+                                    th Name
+                                    th Zum Abonnement der Mailingliste
+                                    th Zum zugehörigen Projekt
+                                    th Keywords
+                            tbody()
+                                for item in mailinglists
+                                    if item.projectstatus == '1'
+                                        tr
+                                            td #{item.name}
+                                            td <a href="#{item.src}">#{item.src}</a>
+                                            td <a href='projectoverview?projectID=#{item.id}'>#{item.project_title}</a>
+                                            td #{item.keywords}
     div(id="aboText" class="mailingList_aboText")
         div(class="container")
             div(class="row m_bottom_0 p_top_20 p_bottom_20")