New error class

lib/utils.class.dart

@@ -45,6 +45,50 @@ class Logger {
 
 }
 
+class HAError {
+  String message;
+  final List<HAErrorAction> actions;
+
+  HAError(this.message, {this.actions: const [HAErrorAction.tryAgain()]});
+
+  HAError.unableToConnect({this.actions = const [HAErrorAction.tryAgain()]}) {
+    this.message = "Unable to connect to Home Assistant";
+  }
+
+  HAError.disconnected({this.actions = const [HAErrorAction.reconnect()]}) {
+    this.message = "Disconnected";
+  }
+
+  HAError.checkConnectionSettings({this.actions = const [HAErrorAction.reload(), HAErrorAction(title: "Settings", type: HAErrorActionType.OPEN_CONNECTION_SETTINGS)]}) {
+    this.message = "Check connection settings";
+  }
+}
+
+class HAErrorAction {
+  final String title;
+  final int type;
+  final String url;
+
+  const HAErrorAction({@required this.title, this.type: HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.tryAgain({this.title = "Try again", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.reconnect({this.title = "Reconnect", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.reload({this.title = "Reload", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+  const HAErrorAction.loginAgain({this.title = "Login again", this.type = HAErrorActionType.FULL_RELOAD, this.url});
+
+}
+
+class HAErrorActionType {
+  static const FULL_RELOAD = 0;
+  static const QUICK_RELOAD = 1;
+  static const LOGOUT = 2;
+  static const URL = 3;
+  static const OPEN_CONNECTION_SETTINGS = 4;
+}
+
 class HAUtils {
   static void launchURL(String url) async {
     if (await urlLauncher.canLaunch(url)) {
@@ -136,8 +180,7 @@ class ShowEntityPageEvent {
 }
 
 class ShowErrorEvent {
-  String text;
-  int errorCode;
+  final HAError error;
 
-  ShowErrorEvent(this.text, this.errorCode);
+  ShowErrorEvent(this.error);
 }