Resolves #254 Missed entities

lib/entity_class/entity.class.dart

@@ -67,6 +67,7 @@ class Entity {
   String state;
   String displayState;
   DateTime _lastUpdated;
+  bool missed = false;
 
   List<Entity> childEntities = [];
   List<String> attributesToShow = ["all"];
@@ -97,6 +98,12 @@ class Entity {
     update(rawData);
   }
 
+  Entity.missed(String entityId) {
+    missed = true;
+    attributes = {"hidden": false};
+    this.entityId = entityId;
+  }
+
   void update(Map rawData) {
     attributes = rawData["attributes"] ?? {};
     domain = rawData["entity_id"].split(".")[0];

lib/entity_class/entity_wrapper.class.dart

@@ -14,10 +14,12 @@ class EntityWrapper {
     String displayName,
     this.uiAction
   }) {
+    if (!entity.missed) {
       this.icon = icon ?? entity.icon;
       this.displayName = displayName ?? entity.displayName;
-    if (this.uiAction == null) {
-      this.uiAction = EntityUIAction();
+      if (uiAction == null) {
+        uiAction = EntityUIAction();
+      }
     }
   }
 

lib/entity_widgets/button_entity_container.dart

@@ -9,7 +9,9 @@ class ButtonEntityContainer extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
-
+    if (entityWrapper.entity.missed) {
+      return MissedEntityWidget();
+    } else {
       return InkWell(
         onTap: () => entityWrapper.handleTap(),
         onLongPress: () => entityWrapper.handleHold(),
@@ -31,6 +33,7 @@ class ButtonEntityContainer extends StatelessWidget {
         ),
       );
     }
+  }
 
   Widget _buildName() {
     return EntityName(

lib/entity_widgets/default_entity_container.dart

@@ -11,6 +11,9 @@ class DefaultEntityContainer extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final EntityModel entityModel = EntityModel.of(context);
+    if (entityModel.entityWrapper.entity.missed) {
+      return MissedEntityWidget();
+    } else {
       return InkWell(
         onLongPress: () {
           if (entityModel.handleTap) {
@@ -40,3 +43,4 @@ class DefaultEntityContainer extends StatelessWidget {
       );
     }
   }
+}

lib/entity_widgets/glance_entity_container.dart

@@ -22,6 +22,9 @@ class GlanceEntityContainer extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final EntityWrapper entityWrapper = EntityModel.of(context).entityWrapper;
+    if (entityWrapper.entity.missed) {
+      return MissedEntityWidget();
+    }
     List<Widget> result = [];
     if (!nameInTheBottom) {
       if (showName) {

lib/entity_widgets/missed_entity.dart

@@ -0,0 +1,19 @@
+part of '../main.dart';
+
+class MissedEntityWidget extends StatelessWidget {
+  MissedEntityWidget({
+    Key key
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    final EntityModel entityModel = EntityModel.of(context);
+    return Container(
+        child: Padding(
+          padding: EdgeInsets.all(5.0),
+          child: Text("Entity not available: ${entityModel.entityWrapper.entity.entityId}"),
+        ),
+        color: Colors.amber[100],
+    );
+  }
+}

lib/home_assistant.class.dart

@@ -401,6 +401,8 @@ class HomeAssistant {
           if (rawEntity is String) {
             if (entities.isExist(rawEntity)) {
               card.entities.add(EntityWrapper(entity: entities.get(rawEntity)));
+            } else {
+              card.entities.add(EntityWrapper(entity: Entity.missed(rawEntity)));
             }
           } else {
             if (entities.isExist(rawEntity["entity"])) {
@@ -413,6 +415,8 @@ class HomeAssistant {
                       uiAction: EntityUIAction(rawEntityData: rawEntity)
                   )
               );
+            } else {
+              card.entities.add(EntityWrapper(entity: Entity.missed(rawEntity["entity"])));
             }
           }
         });
@@ -427,6 +431,8 @@ class HomeAssistant {
                   displayName: rawCard["name"],
                   uiAction: EntityUIAction(rawEntityData: rawCard)
               );
+            } else {
+              card.linkedEntityWrapper = EntityWrapper(entity: Entity.missed(en));
             }
           } else {
             if (entities.isExist(en["entity"])) {
@@ -437,6 +443,8 @@ class HomeAssistant {
                   displayName: en["name"],
                   uiAction: EntityUIAction(rawEntityData: rawCard)
               );
+            } else {
+              card.linkedEntityWrapper = EntityWrapper(entity: Entity.missed(en["entity"]));
             }
           }
         }

lib/main.dart

@@ -40,6 +40,7 @@ part 'entity_class/alarm_control_panel.class.dart';
 part 'entity_widgets/common/badge.dart';
 part 'entity_widgets/model_widgets.dart';
 part 'entity_widgets/default_entity_container.dart';
+part 'entity_widgets/missed_entity.dart';
 part 'entity_widgets/glance_entity_container.dart';
 part 'entity_widgets/button_entity_container.dart';
 part 'entity_widgets/common/entity_attributes_list.dart';

lib/ui_widgets/card_widget.dart

@@ -11,9 +11,18 @@ class CardWidget extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    if ((card.linkedEntityWrapper!= null) && (card.linkedEntityWrapper.entity.isHidden)) {
+    if (card.linkedEntityWrapper!= null) {
+      if (card.linkedEntityWrapper.entity.isHidden) {
         return Container(width: 0.0, height: 0.0,);
       }
+      if (card.linkedEntityWrapper.entity.missed) {
+        return EntityModel(
+          entityWrapper: card.linkedEntityWrapper,
+          child: MissedEntityWidget(),
+          handleTap: false,
+        );
+      }
+    }
 
     switch (card.type) {
 
@@ -133,9 +142,6 @@ class CardWidget extends StatelessWidget {
   }
 
   Widget _buildAlarmPanelCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
-      return Container(width: 0, height: 0,);
-    } else {
     List<Widget> body = [];
     body.add(CardHeaderWidget(
       name: card.name ?? "",
@@ -182,7 +188,6 @@ class CardWidget extends StatelessWidget {
         )
     );
   }
-  }
 
   Widget _buildGlanceCard(BuildContext context) {
     List<EntityWrapper> entitiesToShow = card.getEntitiesToShow();
@@ -227,9 +232,6 @@ class CardWidget extends StatelessWidget {
   }
 
   Widget _buildMediaControlsCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
-      return Container(width: 0, height: 0,);
-    } else {
     return Card(
         child: EntityModel(
             entityWrapper: card.linkedEntityWrapper,
@@ -238,12 +240,8 @@ class CardWidget extends StatelessWidget {
         )
     );
   }
-  }
 
   Widget _buildEntityButtonCard(BuildContext context) {
-    if (card.linkedEntityWrapper == null || card.linkedEntityWrapper.entity == null) {
-      return Container(width: 0, height: 0,);
-    } else {
     card.linkedEntityWrapper.displayName = card.name?.toUpperCase() ??
         card.linkedEntityWrapper.displayName.toUpperCase();
     return Card(
@@ -254,7 +252,6 @@ class CardWidget extends StatelessWidget {
         )
     );
   }
-  }
 
   Widget _buildUnsupportedCard(BuildContext context) {
     List<Widget> body = [];