bug: add message to browse page when no subcoms

invenio_app_rdm/communities_ui/templates/semantic-ui/invenio_communities/details/browse/index.html

@@ -12,6 +12,7 @@
 {% set active_community_header_menu_item= 'browse' %}
 {% set subcommunities_endpoint = community["links"]["subcommunities"] %}
 {% set community_slug = community["slug"] %}
+{% set children_allowed = community["children"]["allow"] %}
 
 {%- block javascript %}
     {{ super() }}
@@ -24,9 +25,11 @@
     class="ui container communities-frontpage rel-mt-3 rel-mb-2">
     <div class="flex">
         <h2 class="ui header mb-0 align-self-center">{{ _('Subcommunities') }}</h2>
+        {% if children_allowed %}
         <a class="align-self-center rel-ml-1" href="{{url_for('invenio_communities.communities_subcommunities', pid_value=community_slug)}}">
             {{ _('See all')}}
         </a>
+        {% endif %}
     </div>
     <div class="ui divider hidden"></div>
     <div id="subcommunities-container"></div>

invenio_app_rdm/theme/assets/semantic-ui/js/invenio_app_rdm/subcommunity/browse.js

@@ -8,21 +8,30 @@
 
 import React from "react";
 import ReactDOM from "react-dom";
+import { i18next } from "@translations/invenio_app_rdm/i18next";
 import _get from "lodash/get";
 
 import { CommunitiesCardGroup } from "@js/invenio_communities/community";
+import { Message } from "semantic-ui-react";
 
 const subCommunitiesContainer = document.getElementById("subcommunities-container");
 const domContainer = document.getElementById("invenio-browse-config");
 const apiEndpoint = _get(domContainer.dataset, "apiEndpoint");
 
 if (subCommunitiesContainer) {
-  ReactDOM.render(
-    <CommunitiesCardGroup
-      fetchDataUrl={apiEndpoint}
-      emptyMessage="There are no child communities."
-      defaultLogo="/static/images/square-placeholder.png"
-    />,
-    subCommunitiesContainer
-  );
+  if (apiEndpoint.length) {
+    ReactDOM.render(
+      <CommunitiesCardGroup
+        fetchDataUrl={apiEndpoint}
+        emptyMessage={i18next.t("This community has no subcommunities")}
+        defaultLogo="/static/images/square-placeholder.png"
+      />,
+      subCommunitiesContainer
+    );
+  } else {
+    ReactDOM.render(
+      <Message icon="info" header={i18next.t("This community has no subcommunities")} />,
+      subCommunitiesContainer
+    );
+  }
 }