351 lines
11 KiB
Dart
351 lines
11 KiB
Dart
part of 'main.dart';
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class HomeAssistant {
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static const DEFAULT_DASHBOARD = 'lovelace';
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static final HomeAssistant _instance = HomeAssistant._internal();
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factory HomeAssistant() {
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return _instance;
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}
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EntityCollection entities;
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HomeAssistantUI ui;
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Map _instanceConfig = {};
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String _userName;
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String currentDashboardPath;
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HSVColor savedColor;
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int savedPlayerPosition;
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String sendToPlayerId;
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String sendFromPlayerId;
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Map services;
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bool autoUi = false;
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Map _rawLovelaceData;
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var _rawStates;
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var _rawUserInfo;
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var _rawPanels;
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List<Panel> panels = [];
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Duration fetchTimeout = Duration(seconds: 30);
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String get locationName {
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if (!autoUi) {
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return ui?.title ?? "Home";
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} else {
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return _instanceConfig["location_name"] ?? "Home";
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}
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}
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String get userName => _userName ?? '';
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String get userAvatarText => userName.length > 0 ? userName[0] : "";
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bool get isNoEntities => entities == null || entities.isEmpty;
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bool get isNoViews => ui == null || ui.isEmpty;
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HomeAssistant._internal() {
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ConnectionManager().onStateChangeCallback = _handleEntityStateChange;
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ConnectionManager().onLovelaceUpdatedCallback = _handleLovelaceUpdate;
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DeviceInfoManager().loadDeviceInfo();
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}
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Completer _fetchCompleter;
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Future fetchData(bool uiOnly) {
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if (_fetchCompleter != null && !_fetchCompleter.isCompleted) {
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Logger.w("Previous data fetch is not completed yet");
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return _fetchCompleter.future;
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}
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_fetchCompleter = Completer();
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List<Future> futures = [];
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if (!uiOnly) {
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if (entities == null) entities = EntityCollection(AppSettings().httpWebHost);
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futures.add(_getStates(null));
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futures.add(_getConfig(null));
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futures.add(_getUserInfo(null));
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futures.add(_getPanels(null));
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futures.add(_getServices(null));
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}
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if (!autoUi) {
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futures.add(_getLovelace(null));
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}
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Future.wait(futures).then((_) {
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if (isComponentEnabled('mobile_app')) {
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_createUI();
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_fetchCompleter.complete();
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} else {
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_fetchCompleter.completeError(HACException("Mobile app component not found", actions: [HAErrorAction.tryAgain(), HAErrorAction(type: HAErrorActionType.URL ,title: "Help",url: "http://ha-client.app/docs#mobile-app-integration")]));
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}
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}).catchError((e) {
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_fetchCompleter.completeError(e);
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});
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return _fetchCompleter.future;
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}
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Future<void> fetchDataFromCache() async {
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Logger.d('Loading cached data');
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SharedPreferences prefs = await SharedPreferences.getInstance();
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bool cached = prefs.getBool('cached');
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if (cached != null && cached) {
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if (entities == null) entities = EntityCollection(AppSettings().httpWebHost);
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try {
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_getStates(prefs);
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if (!autoUi) {
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_getLovelace(prefs);
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}
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_getConfig(prefs);
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_getUserInfo(prefs);
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_getPanels(prefs);
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_getServices(prefs);
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if (isComponentEnabled('mobile_app')) {
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_createUI();
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}
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} catch (e) {
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Logger.d('Didnt get cached data: $e');
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}
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}
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}
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void saveCache() async {
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Logger.d('Saving data to cache...');
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SharedPreferences prefs = await SharedPreferences.getInstance();
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try {
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await prefs.setString('cached_states', json.encode(_rawStates));
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await prefs.setString('cached_lovelace', json.encode(_rawLovelaceData));
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await prefs.setString('cached_user', json.encode(_rawUserInfo));
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await prefs.setString('cached_config', json.encode(_instanceConfig));
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await prefs.setString('cached_panels', json.encode(_rawPanels));
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await prefs.setString('cached_services', json.encode(services));
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await prefs.setBool('cached', true);
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} catch (e, stacktrace) {
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await prefs.setBool('cached', false);
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Logger.e('Error saving cache: $e', stacktrace: stacktrace);
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}
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Logger.d('Done saving cache');
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}
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Future logout() async {
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Logger.d("Logging out...");
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await ConnectionManager().logout().then((_) {
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ui?.clear();
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entities?.clear();
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panels?.clear();
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});
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}
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Future _getConfig(SharedPreferences sharedPrefs) async {
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_instanceConfig?.clear();
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if (sharedPrefs != null && sharedPrefs.containsKey('cached_config')) {
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try {
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var data = json.decode(sharedPrefs.getString('cached_config'));
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_parseConfig(data);
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} catch (e, stacktrace) {
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Logger.e('Error gettong config from cache: $e', stacktrace: stacktrace);
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}
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} else {
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await ConnectionManager().sendSocketMessage(type: "get_config").then((data) => _parseConfig(data)).catchError((e) {
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Logger.e('get_config error: $e');
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throw HACException("Error getting config: $e");
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});
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}
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}
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void _parseConfig(data) {
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_instanceConfig = data;
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}
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Future _getStates(SharedPreferences sharedPrefs) async {
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if (sharedPrefs != null && sharedPrefs.containsKey('cached_states')) {
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try {
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var data = json.decode(sharedPrefs.getString('cached_states'));
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_parseStates(data ?? []);
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} catch (e, stacktrace) {
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Logger.e('Error getting cached states: $e', stacktrace: stacktrace);
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}
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} else {
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await ConnectionManager().sendSocketMessage(type: "get_states").then(
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(data) => _parseStates(data)
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).catchError((e) {
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Logger.e('get_states error: $e');
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throw HACException("Error getting states: $e");
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});
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}
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}
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void _parseStates(data) {
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_rawStates = data;
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entities.parse(data);
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}
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Future _getLovelace(SharedPreferences sharedPrefs) {
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if (sharedPrefs != null && sharedPrefs.containsKey('cached_lovelace')) {
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try {
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var data = json.decode(sharedPrefs.getString('cached_lovelace'));
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_rawLovelaceData = data;
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} catch (e) {
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autoUi = true;
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}
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return Future.value();
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} else {
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Completer completer = Completer();
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var additionalData;
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if (AppSettings().haVersion >= 107 && currentDashboardPath != HomeAssistant.DEFAULT_DASHBOARD) {
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additionalData = {
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'url_path': currentDashboardPath
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};
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}
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ConnectionManager().sendSocketMessage(
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type: 'lovelace/config',
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additionalData: additionalData
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).then((data) {
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_rawLovelaceData = data;
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completer.complete();
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}).catchError((e) {
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if ("$e".contains("config_not_found")) {
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autoUi = true;
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_rawLovelaceData = null;
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completer.complete();
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} else {
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Logger.e('lovelace/config error: $e');
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completer.completeError(HACException("Error getting lovelace config: $e"));
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}
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});
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return completer.future;
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}
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}
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Future _getServices(SharedPreferences prefs) async {
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services?.clear();
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if (prefs != null && prefs.containsKey('cached_services')) {
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try {
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var data = json.decode(prefs.getString('cached_services'));
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_parseServices(data ?? {});
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} catch (e, stacktrace) {
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Logger.e(e, stacktrace: stacktrace);
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}
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}
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await ConnectionManager().sendSocketMessage(type: "get_services").then((data) => _parseServices(data)).catchError((e) {
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Logger.e('get_services error: $e');
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});
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}
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void _parseServices(data) {
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services = data;
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}
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Future _getUserInfo(SharedPreferences sharedPrefs) async {
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_userName = null;
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if (sharedPrefs != null && sharedPrefs.containsKey('cached_user')) {
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try {
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var data = json.decode(sharedPrefs.getString('cached_user'));
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_parseUserInfo(data ?? {});
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} catch (e, stacktrace) {
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Logger.e('Error getting cached user info: $e', stacktrace: stacktrace);
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}
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return Future.value();
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} else {
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await ConnectionManager().sendSocketMessage(type: "auth/current_user").then((data) => _parseUserInfo(data)).catchError((e) {
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Logger.e('auth/current_user error: $e');
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});
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}
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}
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void _parseUserInfo(data) {
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_rawUserInfo = data;
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_userName = data["name"];
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}
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Future _getPanels(SharedPreferences sharedPrefs) async {
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if (sharedPrefs != null && sharedPrefs.containsKey('cached_panels')) {
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try {
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var data = json.decode(sharedPrefs.getString('cached_panels'));
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_parsePanels(data ?? {});
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} catch (e, stacktrace) {
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Logger.e(e, stacktrace: stacktrace);
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panels.clear();
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}
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} else {
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await ConnectionManager().sendSocketMessage(type: "get_panels").then((data) => _parsePanels(data)).catchError((e, stacktrace) {
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Logger.e('get_panels error: $e', stacktrace: stacktrace);
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panels.clear();
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throw HACException('Can\'t get panels: $e');
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});
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}
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}
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void _parsePanels(data) {
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panels.clear();
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_rawPanels = data;
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List<Panel> dashboards = [];
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data.forEach((k,v) {
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String title = v['title'] == null ? "${k[0].toUpperCase()}${k.substring(1)}" : "${v['title'][0].toUpperCase()}${v['title'].substring(1)}";
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if (v['component_name'] != null && v['component_name'] == 'lovelace') {
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dashboards.add(
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Panel(
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id: k,
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componentName: v['component_name'],
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title: title,
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urlPath: v['url_path'],
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config: v['config'],
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icon: (v['icon'] == null || v['icon'] == 'hass:view-dashboard') ? 'mdi:view-dashboard' : v['icon']
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)
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);
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} else {
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panels.add(
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Panel(
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id: k,
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componentName: v['component_name'],
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title: title,
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urlPath: v['url_path'],
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config: v['config'],
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icon: v['icon']
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)
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);
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}
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});
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panels.insertAll(0, dashboards);
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}
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Future getCameraStream(String entityId) {
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Completer completer = Completer();
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ConnectionManager().sendSocketMessage(type: "camera/stream", additionalData: {"entity_id": entityId}).then((data) {
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completer.complete(data);
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}).catchError((e) {
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completer.completeError(e);
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});
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return completer.future;
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}
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bool isComponentEnabled(String name) {
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return _instanceConfig["components"] != null && (_instanceConfig["components"] as List).contains("$name");
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}
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void _handleLovelaceUpdate() {
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if (_fetchCompleter != null && _fetchCompleter.isCompleted) {
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eventBus.fire(new LovelaceChangedEvent());
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}
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}
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void _handleEntityStateChange(Map eventData) {
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if (_fetchCompleter != null && _fetchCompleter.isCompleted) {
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Map data = Map.from(eventData);
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eventBus.fire(new StateChangedEvent(
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entityId: data["entity_id"],
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needToRebuildUI: entities.updateState(data)
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));
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}
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}
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bool isServiceExist(String service) {
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return services != null &&
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services.isNotEmpty &&
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services.containsKey(service);
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}
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void _createUI() {
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Logger.d("Creating Lovelace UI");
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ui = HomeAssistantUI(rawLovelaceConfig: _rawLovelaceData);
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}
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}
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