Add admin field for setting offline message. Closes #1901

web/utils/config-constants.tsx

@@ -19,6 +19,7 @@ export const API_RTMP_PORT = '/rtmpserverport';
 export const API_S3_INFO = '/s3';
 export const API_SERVER_SUMMARY = '/serversummary';
 export const API_SERVER_WELCOME_MESSAGE = '/welcomemessage';
+export const API_SERVER_OFFLINE_MESSAGE = '/offlinemessage';
 export const API_SERVER_NAME = '/name';
 export const API_SOCIAL_HANDLES = '/socialhandles';
 export const API_STREAM_KEY = '/key';
@@ -88,6 +89,14 @@ export const TEXTFIELD_PROPS_SERVER_SUMMARY = {
   label: 'About',
   tip: 'A brief blurb about you, your server, or what your stream is about.',
 };
+export const TEXTFIELD_PROPS_SERVER_OFFLINE_MESSAGE = {
+  apiPath: API_SERVER_OFFLINE_MESSAGE,
+  configPath: 'instanceDetails',
+  maxLength: 2500,
+  placeholder: 'An optional message you can leave people when your stream is not live.',
+  label: 'Offline Message',
+  tip: 'An optional message you can leave people when your stream is not live.',
+};
 export const TEXTFIELD_PROPS_SERVER_WELCOME_MESSAGE = {
   apiPath: API_SERVER_WELCOME_MESSAGE,
   configPath: 'instanceDetails',

web/utils/server-status-context.tsx

@@ -21,6 +21,7 @@ export const initialServerConfigState: ConfigDetails = {
     tags: [],
     title: '',
     welcomeMessage: '',
+    offlineMessage: '',
   },
   ffmpegPath: '',
   rtmpServerPort: '',