UI strings: durationNA and moderater's finish message

lang/main.json

@@ -674,8 +674,9 @@
         "start": "Start",
         "stop": "Stop",
         "moderator": "Moderator",
-        "localUser": "Local user",
+        "me": "Me",
         "duration": "Duration",
+        "durationNA": "N/A",
         "encoding": "Encoding",
         "participantStats": "Participant Stats",
         "clientState": {
@@ -686,6 +687,7 @@
         "messages": {
             "engaged": "Local recording engaged.",
             "finished": "Recording session __token__ finished. Please send the recorded file to the moderator.",
+            "finishedModerator": "Recording session __token__ finished. The recording of the local track has been saved. Please ask the other participants to submit their recordings.",
             "notModerator": "You are not the moderator. You cannot start or stop local recording."
         },
         "yes": "Yes",

react/features/local-recording/components/LocalRecordingInfoDialog.js

@@ -90,7 +90,7 @@ class LocalRecordingInfoDialog extends Component<Props, State> {
     constructor() {
         super();
         this.state = {
-            durationString: 'N/A'
+            durationString: ''
         };
     }
 
@@ -211,7 +211,9 @@ class LocalRecordingInfoDialog extends Component<Props, State> {
                         </span>
                         <span className = 'spacer'>&nbsp;</span>
                         <span className = 'info-value'>
-                            { durationString }
+                            { durationString === ''
+                                ? t('localRecording.durationNA')
+                                : durationString }
                         </span>
                     </div>
                     }
@@ -267,6 +269,10 @@ class LocalRecordingInfoDialog extends Component<Props, State> {
      * @returns {string}
      */
     _getDuration(now, prev) {
+        if (prev === null || prev === undefined) {
+            return '';
+        }
+
         // Still a hack, as moment.js does not support formatting of duration
         // (i.e. TimeDelta). Only works if total duration < 24 hours.
         // But who is going to have a 24-hour long conference?

react/features/local-recording/controller/RecordingController.js

@@ -336,7 +336,7 @@ class RecordingController {
 
         result[localId] = {
             id: localId,
-            displayName: i18next.t('localRecording.localUser'),
+            displayName: i18next.t('localRecording.me'),
             recordingStats: this.getLocalStats(),
             isSelf: true
         };
@@ -507,7 +507,9 @@ class RecordingController {
                     this.downloadRecordedData(token);
 
                     const message
-                        = i18next.t('localRecording.messages.finished',
+                        = i18next.t(this._conference.isModerator()
+                            ? 'localRecording.messages.finishedModerator'
+                            : 'localRecording.messages.finished',
                             {
                                 token
                             });