Save last session date on background

app/sagas/init.js

@@ -18,7 +18,7 @@ import {
 import { isIOS } from '../utils/deviceInfo';
 import database from '../lib/database';
 import protectedFunction from '../lib/methods/helpers/protectedFunction';
-import localAuthenticate from '../utils/localAuthentication';
+import { localAuthenticate } from '../utils/localAuthentication';
 
 export const initLocalSettings = function* initLocalSettings() {
 	const sortPreferences = yield RocketChat.getSortPreferences();

app/sagas/state.js

@@ -4,7 +4,7 @@ import { FOREGROUND, BACKGROUND } from 'redux-enhancer-react-native-appstate';
 import RocketChat from '../lib/rocketchat';
 import { setBadgeCount } from '../notifications/push';
 import log from '../utils/log';
-import localAuthenticate from '../utils/localAuthentication';
+import { localAuthenticate, saveLastLocalAuthenticationSession } from '../utils/localAuthentication';
 import * as actions from '../actions';
 
 const appHasComeBackToForeground = function* appHasComeBackToForeground() {
@@ -39,7 +39,10 @@ const appHasComeBackToBackground = function* appHasComeBackToBackground() {
 		return;
 	}
 	try {
-		return yield RocketChat.setUserPresenceAway();
+		yield RocketChat.setUserPresenceAway();
+
+		const server = yield select(state => state.server.server);
+		yield saveLastLocalAuthenticationSession(server);
 	} catch (e) {
 		log(e);
 	}

app/utils/localAuthentication.js

@@ -1,8 +1,26 @@
 import * as LocalAuthentication from 'expo-local-authentication';
+import moment from 'moment';
 
 import database from '../lib/database';
 
-const localAuthenticate = async(server) => {
+export const saveLastLocalAuthenticationSession = async(server) => {
+  console.log('saveLastLocalAuthenticationSession -> server', server);
+	const serversDB = database.servers;
+	const serversCollection = serversDB.collections.get('servers');
+	await serversDB.action(async() => {
+		try {
+			const serverRecord = await serversCollection.find(server);
+      console.log('saveLastLocalAuthenticationSession -> serverRecord', serverRecord);
+			await serverRecord.update((record) => {
+				record.lastLocalAuthenticatedSession = new Date();
+			});
+		} catch (e) {
+			// Do nothing
+		}
+	});
+};
+
+export const localAuthenticate = async(server) => {
 	const serversDB = database.servers;
 	const serversCollection = serversDB.collections.get('servers');
 
@@ -14,12 +32,16 @@ const localAuthenticate = async(server) => {
 		return Promise.reject();
 	}
 
-	// if (serverRecord?.lastLocalAuthenticatedSession) {
-
-	// }
-
-	const authResult = await LocalAuthentication.authenticateAsync();
-	return Promise.resolve(authResult?.success);
+	const diffToLastSession = moment().diff(serverRecord?.lastLocalAuthenticatedSession, 'seconds');
+  console.log('localAuthenticate -> diffToLastSession', diffToLastSession);
+	if (diffToLastSession >= 5) {
+		const authResult = await LocalAuthentication.authenticateAsync();
+		if (authResult?.success) {
+			await saveLastLocalAuthenticationSession(server);
+		}
+		return Promise.resolve(authResult?.success);
+	} else {
+		await saveLastLocalAuthenticationSession(server);
+	}
+	return Promise.resolve(true);
 };
-
-export default localAuthenticate;

app/views/RoomsListView/ServerDropdown.js

@@ -7,7 +7,6 @@ import { connect } from 'react-redux';
 import equal from 'deep-equal';
 import { withNavigation } from 'react-navigation';
 import RNUserDefaults from 'rn-user-defaults';
-import * as LocalAuthentication from 'expo-local-authentication';
 
 import { toggleServerDropdown as toggleServerDropdownAction } from '../../actions/rooms';
 import { selectServerRequest as selectServerRequestAction } from '../../actions/server';
@@ -23,7 +22,7 @@ import { withTheme } from '../../theme';
 import { KEY_COMMAND, handleCommandSelectServer } from '../../commands';
 import { isTablet } from '../../utils/deviceInfo';
 import { withSplit } from '../../split';
-import localAuthenticate from '../../utils/localAuthentication';
+import { localAuthenticate } from '../../utils/localAuthentication';
 
 const ROW_HEIGHT = 68;
 const ANIMATION_DURATION = 200;