commons-app#2332 add param "uselang" in notifications API calls. (commons-app#2555)

The value is the user language. If null or empty the value "user" is used

Author: deniger

app/src/main/java/fr/free/nrw/commons/mwapi/ApacheHttpClientMediaWikiApi.java

@@ -566,13 +566,19 @@ public List<Notification> getNotifications(boolean archived) {
             }else {
                 notfilter = "!read";
             }
+            String language=Locale.getDefault().getLanguage();
+            if(StringUtils.isNullOrWhiteSpace(language)){
+                //if no language is set we use the default user language defined on wikipedia
+                language="user";
+            }
             notificationNode = api.action("query")
                     .param("notprop", "list")
                     .param("format", "xml")
                     .param("meta", "notifications")
                     .param("notformat", "model")
                     .param("notwikis", "wikidatawiki|commonswiki|enwiki")
                     .param("notfilter", notfilter)
+                    .param("uselang", language)
                     .get()
                     .getNode("/api/query/notifications/list");
         } catch (IOException e) {