From 93b9f7f818ccb99cbdbecfd7fc9753774dbdeb43 Mon Sep 17 00:00:00 2001
From: Roman Drozd <roman@drozd.it>
Date: Tue, 9 Jun 2020 17:53:03 +0200
Subject: [PATCH] Add localization selection

---
 app/package.json                              |  1 +
 app/src/RoomClient.js                         | 24 ++++-
 app/src/actions/intlActions.js                |  7 ++
 app/src/components/Controls/TopBar.js         | 48 +++++++++-
 .../components/Settings/AppearenceSettings.js | 91 +++++++++++++++----
 app/src/index.js                              | 79 +++-------------
 app/src/reducers/intl.js                      | 18 ++++
 app/src/reducers/rootReducer.js               |  6 +-
 app/src/store.js                              | 12 ++-
 app/src/translations/locales.js               | 60 ++++++++++++
 10 files changed, 250 insertions(+), 96 deletions(-)
 create mode 100644 app/src/actions/intlActions.js
 create mode 100644 app/src/reducers/intl.js
 create mode 100644 app/src/translations/locales.js

diff --git a/app/package.json b/app/package.json
index e24812ac..75bc6362 100644
--- a/app/package.json
+++ b/app/package.json
@@ -29,6 +29,7 @@
 		"react-dom": "^16.10.2",
 		"react-flip-toolkit": "^7.0.9",
 		"react-intl": "^3.4.0",
+		"react-intl-redux": "^2.2.0",
 		"react-redux": "^7.1.1",
 		"react-router-dom": "^5.1.2",
 		"react-scripts": "3.4.1",
diff --git a/app/src/RoomClient.js b/app/src/RoomClient.js
index 7570b510..1bdc3515 100644
--- a/app/src/RoomClient.js
+++ b/app/src/RoomClient.js
@@ -4,6 +4,7 @@ import { getSignalingUrl } from './urlFactory';
 import { SocketTimeoutError } from './utils';
 import * as requestActions from './actions/requestActions';
 import * as meActions from './actions/meActions';
+import * as intlActions from './actions/intlActions';
 import * as roomActions from './actions/roomActions';
 import * as peerActions from './actions/peerActions';
 import * as peerVolumeActions from './actions/peerVolumeActions';
@@ -16,6 +17,8 @@ import * as producerActions from './actions/producerActions';
 import * as notificationActions from './actions/notificationActions';
 import * as transportActions from './actions/transportActions';
 import { permissions } from './permissions';
+// import { updateIntl } from 'react-intl-redux';
+import * as locales from './translations/locales';
 
 let createTorrent;
 
@@ -115,6 +118,7 @@ export default class RoomClient
 	{
 		store = data.store;
 		intl = data.intl;
+
 	}
 
 	constructor(
@@ -255,6 +259,9 @@ export default class RoomClient
 		this._startKeyListener();
 
 		this._startDevicesListener();
+
+		this.setLocale(store.getState().intl.locale);
+
 	}
 
 	close()
@@ -298,7 +305,7 @@ export default class RoomClient
 
 				switch (key)
 				{
-					
+
 					/*
 					case String.fromCharCode(37):
 					{
@@ -496,6 +503,21 @@ export default class RoomClient
 		});
 	}
 
+	setLocale(locale)
+	{
+
+		if (locale === null) locale = locales.detect();
+		const one = locales.loadOne(locale);
+
+		store.dispatch(intlActions.updateIntl({
+			locale   : one.locale[0],
+			messages : one.messages,
+			list   	 : locales.getList()
+		}));
+
+		document.documentElement.lang = one.locale[0].toUpperCase();
+	}
+
 	login(roomId = this._roomId)
 	{
 		const url = `/auth/login?peerId=${this._peerId}&roomId=${roomId}`;
diff --git a/app/src/actions/intlActions.js b/app/src/actions/intlActions.js
new file mode 100644
index 00000000..ba428e04
--- /dev/null
+++ b/app/src/actions/intlActions.js
@@ -0,0 +1,7 @@
+import { UPDATE } from 'react-intl-redux';
+
+export const updateIntl = ({ locale, formats, messages, list }) =>
+	({
+		type    : UPDATE,
+		payload : { locale, formats, messages, list }
+	});
diff --git a/app/src/components/Controls/TopBar.js b/app/src/components/Controls/TopBar.js
index d2286dca..de7df744 100644
--- a/app/src/components/Controls/TopBar.js
+++ b/app/src/components/Controls/TopBar.js
@@ -174,7 +174,6 @@ const PulsingBadge = withStyles((theme) =>
 const TopBar = (props) =>
 {
 	const intl = useIntl();
-
 	const [ mobileMoreAnchorEl, setMobileMoreAnchorEl ] = useState(null);
 	const [ anchorEl, setAnchorEl ] = useState(null);
 	const [ currentMenu, setCurrentMenu ] = useState(null);
@@ -233,7 +232,9 @@ const TopBar = (props) =>
 		canProduceExtraVideo,
 		canLock,
 		canPromote,
-		classes
+		classes,
+		locale,
+		localesList
 	} = props;
 
 	const isMenuOpen = Boolean(anchorEl);
@@ -508,6 +509,17 @@ const TopBar = (props) =>
 						</IconButton>
 					</div>
 					<div className={classes.divider} />
+
+					<Button
+						aria-label={locale.split(/[-_]/)[0]}
+						className={classes.actionButton}
+						color='secondary'
+						disableRipple='true'
+						onClick={(event) => handleMenuOpen(event, 'localeMenu')}
+					>
+						{locale.split(/[-_]/)[0]}
+					</Button>
+
 					<Button
 						aria-label={intl.formatMessage({
 							id             : 'label.leave',
@@ -599,6 +611,25 @@ const TopBar = (props) =>
 						</MenuItem>
 					</Paper>
 				}
+
+				{ currentMenu === 'localeMenu' &&
+					<Paper>
+						{localesList.map((item, index) => (
+							<MenuItem
+								selected={item.locale.includes(locale)}
+								key={index}
+								onClick={() =>
+								{
+									roomClient.setLocale(item.locale[0]);
+									handleMenuClose();
+								}}
+							>
+								{item.name}
+							</MenuItem>)
+						)}
+					</Paper>
+				}
+
 			</Popover>
 			<Menu
 				anchorEl={mobileMoreAnchorEl}
@@ -840,7 +871,10 @@ TopBar.propTypes =
 	canLock              : PropTypes.bool.isRequired,
 	canPromote           : PropTypes.bool.isRequired,
 	classes              : PropTypes.object.isRequired,
-	theme                : PropTypes.object.isRequired
+	theme                : PropTypes.object.isRequired,
+	intl            				 : PropTypes.object.isRequired,
+	locale          				 : PropTypes.object.isRequired,
+	localesList     				 : PropTypes.object.isRequired
 };
 
 const makeMapStateToProps = () =>
@@ -870,7 +904,9 @@ const makeMapStateToProps = () =>
 				state.toolarea.unreadFiles + raisedHandsSelector(state),
 			canProduceExtraVideo : hasExtraVideoPermission(state),
 			canLock              : hasLockPermission(state),
-			canPromote           : hasPromotionPermission(state)
+			canPromote           : hasPromotionPermission(state),
+			locale               : state.intl.locale,
+			localesList          : state.intl.list
 		});
 
 	return mapStateToProps;
@@ -933,7 +969,9 @@ export default withRoomContext(connect(
 				prev.me.roles === next.me.roles &&
 				prev.toolarea.unreadMessages === next.toolarea.unreadMessages &&
 				prev.toolarea.unreadFiles === next.toolarea.unreadFiles &&
-				prev.toolarea.toolAreaOpen === next.toolarea.toolAreaOpen
+				prev.toolarea.toolAreaOpen === next.toolarea.toolAreaOpen &&
+				prev.locale === next.locale &&
+				prev.localesList === next.localesList
 			);
 		}
 	}
diff --git a/app/src/components/Settings/AppearenceSettings.js b/app/src/components/Settings/AppearenceSettings.js
index 49b6838e..920796b5 100644
--- a/app/src/components/Settings/AppearenceSettings.js
+++ b/app/src/components/Settings/AppearenceSettings.js
@@ -13,6 +13,7 @@ import FormControl from '@material-ui/core/FormControl';
 import FormControlLabel from '@material-ui/core/FormControlLabel';
 import Select from '@material-ui/core/Select';
 import Switch from '@material-ui/core/Switch';
+import { withRoomContext } from '../../RoomContext';
 
 const styles = (theme) =>
 	({
@@ -33,20 +34,26 @@ const styles = (theme) =>
 		}
 	});
 
-const AppearenceSettings = ({
-	isMobile,
-	room,
-	settings,
-	onTogglePermanentTopBar,
-	onToggleHiddenControls,
-	onToggleButtonControlBar,
-	onToggleShowNotifications,
-	onToggleDrawerOverlayed,
-	handleChangeMode,
-	handleChangeAspectRatio,
-	classes
-}) =>
+const AppearenceSettings = (props) =>
 {
+	const {
+		roomClient,
+		isMobile,
+		room,
+		locale,
+		settings,
+		onTogglePermanentTopBar,
+		onToggleHiddenControls,
+		onToggleButtonControlBar,
+		onToggleShowNotifications,
+		onToggleDrawerOverlayed,
+		handleChangeMode,
+		handleChangeAspectRatio,
+		classes,
+		localesList
+
+	} = props;
+
 	const intl = useIntl();
 
 	const modes = [ {
@@ -73,6 +80,42 @@ const AppearenceSettings = ({
 
 	return (
 		<React.Fragment>
+
+			{/* MOJE */}
+			<FormControl className={classes.setting}>
+				<Select
+					value={locale || ''}
+					onChange={(event) =>
+					{
+						if (event.target.value)
+							roomClient.setLocale(event.target.value);
+					}
+					}
+					name={intl.formatMessage({
+						id             : 'settings.language',
+						defaultMessage : 'Language'
+					})}
+					autoWidth
+					className={classes.selectEmpty}
+				>
+					{ localesList.map((item, index) =>
+					{
+						return (
+							<MenuItem key={index} value={item.locale[0]}>
+								{item.name}
+							</MenuItem>
+						);
+					})}
+				</Select>
+				<FormHelperText>
+					<FormattedMessage
+						id='settings.language'
+						defaultMessage='Select language'
+					/>
+				</FormHelperText>
+			</FormControl>
+			{/* MOJE */}
+
 			<FormControl className={classes.setting}>
 				<Select
 					value={room.mode || ''}
@@ -189,6 +232,7 @@ const AppearenceSettings = ({
 
 AppearenceSettings.propTypes =
 {
+	roomClient          				  : PropTypes.any.isRequired,
 	isMobile                  : PropTypes.bool.isRequired,
 	room                      : appPropTypes.Room.isRequired,
 	settings                  : PropTypes.object.isRequired,
@@ -199,14 +243,19 @@ AppearenceSettings.propTypes =
 	onToggleDrawerOverlayed   : PropTypes.func.isRequired,
 	handleChangeMode          : PropTypes.func.isRequired,
 	handleChangeAspectRatio   : PropTypes.func.isRequired,
-	classes                   : PropTypes.object.isRequired
+	classes                   : PropTypes.object.isRequired,
+	intl               					  : PropTypes.object.isRequired,
+	locale             					  : PropTypes.object.isRequired,
+	localesList        					  : PropTypes.object.isRequired
 };
 
 const mapStateToProps = (state) =>
 	({
-		isMobile : state.me.browser.platform === 'mobile',
-		room     : state.room,
-		settings : state.settings
+		isMobile   	: state.me.browser.platform === 'mobile',
+		room      		: state.room,
+		settings   	: state.settings,
+		locale    		: state.intl.locale,
+		localesList : state.intl.list
 	});
 
 const mapDispatchToProps = {
@@ -219,7 +268,7 @@ const mapDispatchToProps = {
 	handleChangeAspectRatio   : settingsActions.setAspectRatio
 };
 
-export default connect(
+export default withRoomContext(connect(
 	mapStateToProps,
 	mapDispatchToProps,
 	null,
@@ -229,8 +278,10 @@ export default connect(
 			return (
 				prev.me.browser === next.me.browser &&
 				prev.room === next.room &&
-				prev.settings === next.settings
+				prev.settings === next.settings &&
+				prev.locale === next.locale &&
+				prev.localesList === next.localesList
 			);
 		}
 	}
-)(withStyles(styles)(AppearenceSettings));
\ No newline at end of file
+)(withStyles(styles)(AppearenceSettings)));
\ No newline at end of file
diff --git a/app/src/index.js b/app/src/index.js
index a13cc52d..e893077d 100644
--- a/app/src/index.js
+++ b/app/src/index.js
@@ -3,7 +3,11 @@ import React, { Suspense } from 'react';
 import { render } from 'react-dom';
 import { Provider } from 'react-redux';
 import isElectron from 'is-electron';
-import { createIntl, createIntlCache, RawIntlProvider } from 'react-intl';
+
+import { createIntl } from 'react-intl';
+// import { createIntl, createIntlCache } from 'react-intl';
+import { IntlProvider } from 'react-intl-redux';
+
 import { Route, HashRouter, BrowserRouter } from 'react-router-dom';
 import randomString from 'random-string';
 import Logger from './Logger';
@@ -22,56 +26,12 @@ import { SnackbarProvider } from 'notistack';
 import * as serviceWorker from './serviceWorker';
 import { ReactLazyPreload } from './components/ReactLazyPreload';
 import { detectDevice } from 'mediasoup-client';
-// import messagesEnglish from './translations/en';
-import messagesNorwegian from './translations/nb';
-import messagesGerman from './translations/de';
-import messagesHungarian from './translations/hu';
-import messagesPolish from './translations/pl';
-import messagesDanish from './translations/dk';
-import messagesFrench from './translations/fr';
-import messagesGreek from './translations/el';
-import messagesRomanian from './translations/ro';
-import messagesPortuguese from './translations/pt';
-import messagesChineseSimplified from './translations/cn';
-import messagesChineseTraditional from './translations/tw';
-import messagesSpanish from './translations/es';
-import messagesCroatian from './translations/hr';
-import messagesCzech from './translations/cs';
-import messagesItalian from './translations/it';
-import messagesUkrainian from './translations/uk';
-import messagesTurkish from './translations/tr';
-import messagesLatvian from './translations/lv';
-import messagesHindi from './translations/hi';
 
 import './index.css';
 
 const App = ReactLazyPreload(() => import(/* webpackChunkName: "app" */ './components/App'));
 
-const cache = createIntlCache();
-
-const messages =
-{
-	// 'en' : messagesEnglish,
-	'nb'      : messagesNorwegian,
-	'de'      : messagesGerman,
-	'hu'      : messagesHungarian,
-	'pl'      : messagesPolish,
-	'dk'      : messagesDanish,
-	'fr'      : messagesFrench,
-	'el'      : messagesGreek,
-	'ro'      : messagesRomanian,
-	'pt'      : messagesPortuguese,
-	'zh-hans' : messagesChineseSimplified,
-	'zh-hant' : messagesChineseTraditional,
-	'es'      : messagesSpanish,
-	'hr'      : messagesCroatian,
-	'cs'      : messagesCzech,
-	'it'      : messagesItalian,
-	'uk'      : messagesUkrainian,
-	'tr'      : messagesTurkish,
-	'lv'      : messagesLatvian,
-	'hi'      : messagesHindi
-};
+// const cache = createIntlCache();
 
 const supportedBrowsers={
 	'windows' : {
@@ -86,24 +46,7 @@ const supportedBrowsers={
 	'samsung internet for android' : '>=11.1.1.52'
 };
 
-const browserLanguage = (navigator.language || navigator.browserLanguage).toLowerCase();
-
-let locale = browserLanguage.split(/[-_]/)[0]; // language without region code
-
-if (locale === 'zh')
-{
-	if (browserLanguage === 'zh-cn')
-		locale = 'zh-hans';
-	else
-		locale = 'zh-hant';
-}
-
-const intl = createIntl({
-	locale,
-	messages : messages[locale]
-}, cache);
-
-document.documentElement.lang = locale;
+const intl = createIntl();
 
 if (process.env.REACT_APP_DEBUG === '*' || process.env.NODE_ENV !== 'production')
 {
@@ -198,12 +141,12 @@ function run()
 	{
 		render(
 			<MuiThemeProvider theme={theme}>
-				<RawIntlProvider value={intl}>
+				<IntlProvider value={intl}>
 					<UnsupportedBrowser
 						webrtcUnavailable={webrtcUnavailable}
 						platform={device.platform}
 					/>
-				</RawIntlProvider>
+				</IntlProvider>
 			</MuiThemeProvider>,
 			document.getElementById('multiparty-meeting')
 		);
@@ -235,7 +178,7 @@ function run()
 	render(
 		<Provider store={store}>
 			<MuiThemeProvider theme={theme}>
-				<RawIntlProvider value={intl}>
+				<IntlProvider value={intl}>
 					<PersistGate loading={<LoadingView />} persistor={persistor}>
 						<RoomContext.Provider value={roomClient}>
 							<SnackbarProvider>
@@ -250,7 +193,7 @@ function run()
 							</SnackbarProvider>
 						</RoomContext.Provider>
 					</PersistGate>
-				</RawIntlProvider>
+				</IntlProvider>
 			</MuiThemeProvider>
 		</Provider>,
 		document.getElementById('multiparty-meeting')
diff --git a/app/src/reducers/intl.js b/app/src/reducers/intl.js
new file mode 100644
index 00000000..09c998d9
--- /dev/null
+++ b/app/src/reducers/intl.js
@@ -0,0 +1,18 @@
+import { UPDATE } from 'react-intl-redux';
+
+const initialState = {
+	locale   : null,
+	messages : null
+};
+
+const intlReducer = (state = initialState, action) =>
+{
+	if (action.type !== UPDATE)
+	{
+		return state;
+	}
+
+	return { ...state, ...action.payload };
+};
+
+export default intlReducer;
diff --git a/app/src/reducers/rootReducer.js b/app/src/reducers/rootReducer.js
index 036c6d05..ce82e306 100644
--- a/app/src/reducers/rootReducer.js
+++ b/app/src/reducers/rootReducer.js
@@ -12,6 +12,8 @@ import toolarea from './toolarea';
 import files from './files';
 import settings from './settings';
 import transports from './transports';
+import intl from './intl';
+// import { intlReducer } from 'react-intl-redux';
 
 export default combineReducers({
 	room,
@@ -26,5 +28,7 @@ export default combineReducers({
 	chat,
 	toolarea,
 	files,
-	settings
+	settings,
+	// intl : intlReducer
+	intl
 });
diff --git a/app/src/store.js b/app/src/store.js
index b9be7404..078c6bc8 100644
--- a/app/src/store.js
+++ b/app/src/store.js
@@ -15,7 +15,8 @@ const persistConfig =
 	key             : 'root',
 	storage         : storage,
 	stateReconciler : autoMergeLevel2,
-	whitelist       : [ 'settings' ]
+	// whitelist       : [ 'settings']
+	whitelist       : [ 'settings', 'intl' ]
 };
 
 const reduxMiddlewares =
@@ -49,8 +50,17 @@ const enhancer = composeEnhancers(
 
 const pReducer = persistReducer(persistConfig, rootReducer);
 
+const initialState = {
+	intl : {
+		locale   : null,
+		messages : null
+	}
+	// ...other initialState
+};
+
 export const store = createStore(
 	pReducer,
+	initialState,
 	enhancer
 );
 
diff --git a/app/src/translations/locales.js b/app/src/translations/locales.js
new file mode 100644
index 00000000..06fa80c3
--- /dev/null
+++ b/app/src/translations/locales.js
@@ -0,0 +1,60 @@
+const list = [
+	{ name: 'English',				file: 'en', locale: [ 'en' ] },
+	{ name: 'Chech',					file: 'cs', locale: [ 'cs' ] },
+	{ name: 'Chinese (Simplified)',	file: 'cn', locale: [ 'zn', 'zn-cn' ] }, // hans
+	{ name: 'Chinese (Traditional)',	file: 'tw', locale: [ 'zn-tw', 'zn-hk', 'zn-sg' ] }, // hant
+	{ name: 'Croatian',				file: 'hr', locale: [ 'hr' ] },
+	{ name: 'Danish',				file: 'dk', locale: [ 'dk' ] },
+	{ name: 'French',				file: 'fr', locale: [ 'fr' ] },
+	{ name: 'German',				file: 'de', locale: [ 'de' ] },
+	{ name: 'Greek',					file: 'el', locale: [ 'el' ] },
+	{ name: 'Hindi',					file: 'hi', locale: [ 'hi' ] },
+	{ name: 'Hungarian',				file: 'hu', locale: [ 'hu' ] },
+	{ name: 'Italian',				file: 'it', locale: [ 'it' ] },
+	{ name: 'Latvian',				file: 'lv', locale: [ 'lv' ] },
+	{ name: 'Norwegian',				file: 'nb', locale: [ 'nb' ] },
+	{ name: 'Polish',				file: 'pl', locale: [ 'pl' ] },
+	{ name: 'Portuguese',			file: 'pt', locale: [ 'pt' ] },
+	{ name: 'Romanian',				file: 'ro', locale: [ 'ro' ] },
+	{ name: 'Spanish',				file: 'es', locale: [ 'es' ] },
+	{ name: 'Turkish',				file: 'tr', locale: [ 'tr' ] },
+	{ name: 'Ukrainian',				file: 'uk', locale: [ 'uk' ] }
+];
+
+export const detect = () =>
+{
+	const localeFull = (navigator.language || navigator.browserLanguage).toLowerCase();
+
+	// const localeCountry = localeFull.split(/[-_]/)[0];
+
+	// const localeRegion = localeFull.split(/[-_]/)[1] || null;
+
+	return localeFull;
+};
+
+export const getList = () => list;
+
+export const loadOne = (locale) =>
+{
+	let res = {};
+
+	try
+	{
+		res = list.filter((item) =>
+			item.locale.includes(locale) || item.locale.includes(locale.split(/[-_]/)[0])
+		)[0];
+
+		res.messages = require(`./${res.file}`);
+	}
+
+	catch
+	{
+
+		res = list.filter((item) => item.locale.includes('en'))[0];
+
+		res.messages = require(`./${res.file}`);
+	}
+
+	return res;
+
+};