[#5, #9] Instance info in app drawer. Connection settings

lib/data_model.dart

@@ -14,17 +14,21 @@ class HassioDataModel {
   int _statesMessageId = 0;
   int _servicesMessageId = 0;
   int _subscriptionMessageId = 0;
+  int _configMessageId = 0;
   Map _entitiesData = {};
   Map _servicesData = {};
   Map _uiStructure = {};
+  Map _instanceConfig = {};
   Completer _fetchCompleter;
   Completer _statesCompleter;
   Completer _servicesCompleter;
+  Completer _configCompleter;
   Timer _fetchingTimer;
 
   Map get entities => _entitiesData;
   Map get services => _servicesData;
   Map get uiStructure => _uiStructure;
+  Map get instanceConfig => _instanceConfig;
 
   HassioDataModel(String url, String password) {
     _hassioAPIEndpoint = url;
@@ -75,20 +79,30 @@ class HassioDataModel {
   }
 
   _getData() {
-    _getStates().then((result) {
-      _getServices().then((result) {
-        _fetchingTimer.cancel();
-        _fetchCompleter.complete();
+    _getConfig().then((result) {
+      _getStates().then((result) {
+        _getServices().then((result) {
+          _finishFetching(null);
+        }).catchError((e) {
+          _finishFetching(e);
+        });
       }).catchError((e) {
-        _fetchingTimer.cancel();
-        _fetchCompleter.completeError(e);
+        _finishFetching(e);
       });
     }).catchError((e) {
-      _fetchingTimer.cancel();
-      _fetchCompleter.completeError(e);
+      _finishFetching(e);
     });
   }
 
+  _finishFetching(error) {
+    _fetchingTimer.cancel();
+    if (error != null) {
+      _fetchCompleter.completeError(error);
+    } else {
+      _fetchCompleter.complete();
+    }
+  }
+
   _handleMessage(Completer connectionCompleter, String message) {
     var data = json.decode(message);
     debugPrint("[Received]Message type: ${data['type']}");
@@ -101,7 +115,10 @@ class HassioDataModel {
       connectionCompleter.completeError({message: "Auth error: ${data["message"]}"});
     } else if (data["type"] == "result") {
       if (data["success"] == true) {
-        if (data["id"] == _statesMessageId) {
+        if (data["id"] == _configMessageId) {
+          _parseConfig(data["result"]);
+          _configCompleter.complete();
+        } else if (data["id"] == _statesMessageId) {
           _parseEntities(data["result"]);
           _statesCompleter.complete();
         } else if (data["id"] == _servicesMessageId) {
@@ -142,11 +159,20 @@ class HassioDataModel {
     _sendMessageRaw('{"id": $_subscriptionMessageId, "type": "subscribe_events", "event_type": "state_changed"}');
   }
 
+  Future _getConfig() {
+    _configCompleter = new Completer();
+    _incrementMessageId();
+    _configMessageId = _currentMssageId;
+    _sendMessageRaw('{"id": $_configMessageId, "type": "get_config"}');
+
+    return _configCompleter.future;
+  }
+
   Future _getStates() {
     _statesCompleter = new Completer();
     _incrementMessageId();
     _statesMessageId = _currentMssageId;
-    _sendMessageRaw('{"id": $_currentMssageId, "type": "get_states"}');
+    _sendMessageRaw('{"id": $_statesMessageId, "type": "get_states"}');
 
     return _statesCompleter.future;
   }
@@ -155,7 +181,7 @@ class HassioDataModel {
     _servicesCompleter = new Completer();
     _incrementMessageId();
     _servicesMessageId = _currentMssageId;
-    _sendMessageRaw('{"id": $_currentMssageId, "type": "get_services"}');
+    _sendMessageRaw('{"id": $_servicesMessageId, "type": "get_services"}');
 
     return _servicesCompleter.future;
   }
@@ -171,8 +197,16 @@ class HassioDataModel {
 
   void _handleEntityStateChange(Map eventData) {
     String entityId = eventData["entity_id"];
-    _entitiesData[entityId].addAll(eventData["new_state"]);
-    eventBus.fire(new StateChangedEvent(eventData["entity_id"]));
+    if (_entitiesData[entityId] != null) {
+      _entitiesData[entityId].addAll(eventData["new_state"]);
+      eventBus.fire(new StateChangedEvent(eventData["entity_id"]));
+    } else {
+      debugPrint("Unknown enity $entityId");
+    }
+  }
+
+  void _parseConfig(Map data) {
+    _instanceConfig = Map.from(data);
   }
 
   void _parseServices(Map data) {

lib/main.dart

@@ -29,7 +29,7 @@ class HassClientApp extends StatelessWidget {
       initialRoute: "/",
       routes: {
         "/": (context) => MainPage(title: 'Hass Client'),
-        "/settings": (context) => SettingsPage(title: "Settings")
+        "/connection-settings": (context) => ConnectionSettingsPage(title: "Connection Settings")
       },
     );
   }
@@ -48,8 +48,10 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
   HassioDataModel _dataModel;
   Map _entitiesData;
   Map _uiStructure;
+  Map _instanceConfig;
   int _uiViewsCount = 0;
   String _dataModelErrorMessage = "";
+  String _instanceHost;
   bool loading = true;
   Map _stateIconColors = {
     "on": Colors.amber,
@@ -76,10 +78,13 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
 
   _init() async {
     SharedPreferences prefs = await SharedPreferences.getInstance();
+    String domain = prefs.getString('hassio-domain');
+    String port = prefs.getString('hassio-port');
+    _instanceHost = domain+":"+port;
     String _hassioAPIEndpoint = prefs.getString('hassio-protocol')+"://" +
-        prefs.getString('hassio-domain') +
+        domain +
         ":" +
-        prefs.getString('hassio-port') +
+        port +
         "/api/websocket";
     String _hassioPassword = prefs.getString('hassio-password');
     _dataModel = HassioDataModel(_hassioAPIEndpoint, _hassioPassword);
@@ -100,6 +105,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
     if (_dataModel != null) {
       await _dataModel.fetch().then((result) {
         setState(() {
+          _instanceConfig = _dataModel.instanceConfig;
           _entitiesData = _dataModel.entities;
           _uiStructure = _dataModel.uiStructure;
           _uiViewsCount = _uiStructure.length;
@@ -249,15 +255,15 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
 
   Widget _buildTitle() {
     Row titleRow = Row(
-      children: <Widget>[Text(widget.title)],
+      children: [Text(_instanceConfig != null ? _instanceConfig["location_name"] : "...")],
     );
     if (loading) {
       titleRow.children.add(Padding(
         child: JumpingDotsProgressIndicator(
-          fontSize: 30.0,
+          fontSize: 26.0,
           color: Colors.white,
         ),
-        padding: const EdgeInsets.fromLTRB(5.0, 0.0, 0.0, 40.0),
+        padding: const EdgeInsets.fromLTRB(5.0, 0.0, 0.0, 30.0),
       ));
     }
     return titleRow;
@@ -268,18 +274,15 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
       child: ListView(
         children: <Widget>[
           new UserAccountsDrawerHeader(
-            accountName: Text("Edwin Home"),
-            accountEmail: Text("edwin-home.duckdns.org"),
-            currentAccountPicture: new CircleAvatar(
-              backgroundImage: new NetworkImage(
-                  "https://edwin-home.duckdns.org:8123/static/icons/favicon-192x192.png"),
-            ),
+            accountName: Text(_instanceConfig != null ? _instanceConfig["location_name"] : "Unknown"),
+            accountEmail: Text(_instanceHost ?? "Not configured"),
+            currentAccountPicture: new Image.asset('images/hassio-192x192.png'),
           ),
           new ListTile(
             leading: Icon(Icons.settings),
-            title: Text("Settings"),
+            title: Text("Connection settings"),
             onTap: () {
-              Navigator.pushNamed(context, '/settings');
+              Navigator.pushNamed(context, '/connection-settings');
             },
           ),
           new AboutListTile(
@@ -309,7 +312,7 @@ class _MainPageState extends State<MainPage> with WidgetsBindingObserver {
               Padding(
                 padding: EdgeInsets.fromLTRB(0.0, 0.0, 0.0, 10.0),
                 child: Text(
-                    _dataModelErrorMessage != null ? "Well... no.\n\nThere was an error: $_dataModelErrorMessage\n\nCheck your internet connection or something" : "Loading... or not...\n\nJust wait 10 seconds",
+                    _dataModelErrorMessage != null ? "Well... no.\n\nThere was an error: $_dataModelErrorMessage\n\nCheck your internet connection or restart the app" : "Loading... I hope...",
                     textAlign: TextAlign.center,
                     style: TextStyle(fontSize: 16.0),
                 ),

lib/settings.dart

@@ -1,15 +1,15 @@
 part of 'main.dart';
 
-class SettingsPage extends StatefulWidget {
-  SettingsPage({Key key, this.title}) : super(key: key);
+class ConnectionSettingsPage extends StatefulWidget {
+  ConnectionSettingsPage({Key key, this.title}) : super(key: key);
 
   final String title;
 
   @override
-  _SettingsPageState createState() => new _SettingsPageState();
+  _ConnectionSettingsPageState createState() => new _ConnectionSettingsPageState();
 }
 
-class _SettingsPageState extends State<SettingsPage> {
+class _ConnectionSettingsPageState extends State<ConnectionSettingsPage> {
   String _hassioDomain = "";
   String _hassioPort = "";
   String _hassioPassword = "";

pubspec.yaml

@@ -40,9 +40,8 @@ flutter:
   uses-material-design: true
 
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #  - images/a_dot_burr.jpeg
-  #  - images/a_dot_ham.jpeg
+  assets:
+    - images/hassio-192x192.png
 
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.io/assets-and-images/#resolution-aware.