Add support to disable chat join messages. Closes https://github.com/owncast/owncast/issues/1582 (#452)

web/pages/config-chat.tsx

@@ -15,6 +15,7 @@ import { UpdateArgs } from '../types/config-section';
 import {
   API_CHAT_FORBIDDEN_USERNAMES,
   API_CHAT_SUGGESTED_USERNAMES,
+  FIELD_PROPS_CHAT_JOIN_MESSAGES_ENABLED,
   FIELD_PROPS_DISABLE_CHAT,
   postConfigUpdateToAPI,
   RESET_TIMEOUT,
@@ -32,7 +33,13 @@ export default function ConfigChat() {
   const serverStatusData = useContext(ServerStatusContext);
   const { serverConfig, setFieldInConfigState } = serverStatusData || {};
 
-  const { chatDisabled, forbiddenUsernames, instanceDetails, suggestedUsernames } = serverConfig;
+  const {
+    chatDisabled,
+    chatJoinMessagesEnabled,
+    forbiddenUsernames,
+    instanceDetails,
+    suggestedUsernames,
+  } = serverConfig;
   const { welcomeMessage } = instanceDetails;
 
   const handleFieldChange = ({ fieldName, value }: UpdateArgs) => {
@@ -46,6 +53,10 @@ export default function ConfigChat() {
     handleFieldChange({ fieldName: 'chatDisabled', value: !disabled });
   }
 
+  function handleChatJoinMessagesEnabledChange(enabled: boolean) {
+    handleFieldChange({ fieldName: 'chatJoinMessagesEnabled', value: enabled });
+  }
+
   function resetForbiddenUsernameState() {
     setForbiddenUsernameSaveState(null);
   }
@@ -131,6 +142,7 @@ export default function ConfigChat() {
   useEffect(() => {
     setFormDataValues({
       chatDisabled,
+      chatJoinMessagesEnabled,
       forbiddenUsernames,
       suggestedUsernames,
       welcomeMessage,
@@ -152,6 +164,12 @@ export default function ConfigChat() {
           reversed
           onChange={handleChatDisableChange}
         />
+        <ToggleSwitch
+          fieldName="chatJoinMessagesEnabled"
+          {...FIELD_PROPS_CHAT_JOIN_MESSAGES_ENABLED}
+          checked={formDataValues.chatJoinMessagesEnabled}
+          onChange={handleChatJoinMessagesEnabledChange}
+        />
         <TextFieldWithSubmit
           fieldName="welcomeMessage"
           {...TEXTFIELD_PROPS_SERVER_WELCOME_MESSAGE}

web/types/config-section.ts

@@ -113,5 +113,6 @@ export interface ConfigDetails {
   forbiddenUsernames: string[];
   suggestedUsernames: string[];
   chatDisabled: boolean;
+  chatJoinMessagesEnabled: boolean;
   federation: Federation;
 }

web/utils/config-constants.tsx

@@ -30,6 +30,7 @@ export const API_VIDEO_VARIANTS = '/video/streamoutputvariants';
 export const API_WEB_PORT = '/webserverport';
 export const API_YP_SWITCH = '/directoryenabled';
 export const API_CHAT_DISABLE = '/chat/disable';
+export const API_CHAT_JOIN_MESSAGES_ENABLED = '/chat/joinmessagesenabled';
 export const API_CHAT_FORBIDDEN_USERNAMES = '/chat/forbiddenusernames';
 export const API_CHAT_SUGGESTED_USERNAMES = '/chat/suggestedusernames';
 export const API_EXTERNAL_ACTIONS = '/externalactions';
@@ -192,6 +193,14 @@ export const FIELD_PROPS_DISABLE_CHAT = {
   useSubmit: true,
 };
 
+export const FIELD_PROPS_CHAT_JOIN_MESSAGES_ENABLED = {
+  apiPath: API_CHAT_JOIN_MESSAGES_ENABLED,
+  configPath: '',
+  label: 'Join Messages',
+  tip: 'Show when a viewer joins the chat.',
+  useSubmit: true,
+};
+
 export const TEXTFIELD_PROPS_CHAT_FORBIDDEN_USERNAMES = {
   apiPath: API_CHAT_FORBIDDEN_USERNAMES,
   placeholder: 'username',

web/utils/server-status-context.tsx

@@ -59,6 +59,7 @@ export const initialServerConfigState: ConfigDetails = {
   forbiddenUsernames: [],
   suggestedUsernames: [],
   chatDisabled: false,
+  chatJoinMessagesEnabled: true,
 };
 
 const initialServerStatusState = {