MDL-70608 lang: Recommend running the scheduled task to update packs

admin/tool/langimport/classes/output/langimport_page.php

@@ -107,6 +107,11 @@ class langimport_page implements renderable, templatable {
             $data->caninstall = true;
         }
 
+        if (count($this->installedlanguages) > 3) {
+            $data->hasmanyinstalledlanguages = true;
+            $data->updatelangstaskname = get_string('updatelangs', 'tool_langimport');
+        }
+
         return $data;
     }
 }

admin/tool/langimport/lang/en/tool_langimport.php

@@ -54,4 +54,5 @@ $string['selectlangs'] = 'Select languages to uninstall';
 $string['uninstall'] = 'Uninstall selected language pack(s)';
 $string['uninstallconfirm'] = 'You are about to completely uninstall these language packs: <strong>{$a}</strong>. Are you sure?';
 $string['updatelangs'] = 'Update all installed language packs';
+$string['updatelangsnote'] = 'Updating all installed language packs by clicking the button can take a long time and lead to timeouts. It is recommended instead to make use of the scheduled task \'{$a->taskname}\' (which runs by default every day).';
 $string['privacy:metadata'] = 'The Language packs plugin does not store any personal data.';

admin/tool/langimport/templates/langimport.mustache

@@ -88,6 +88,9 @@
                     <form id="updateform" action="{{updateurl}}" method="post">
                         <fieldset>
                             <input type="submit" value="{{#str}}updatelangs, tool_langimport{{/str}}" class="btn btn-secondary">
+                            {{#hasmanyinstalledlanguages}}
+                                <p class="mt-2 small">{{#str}} updatelangsnote, tool_langimport, {"taskname": {{#quote}}{{updatelangstaskname}}{{/quote}} }{{/str}}</p>
+                            {{/hasmanyinstalledlanguages}}
                         </fieldset>
                     </form>
                 </div>