broke out button functionality

button.py

@@ -0,0 +1,52 @@
+
+import json
+
+from appdaemon.plugins.hass.hassapi import Hass
+from appdaemon.plugins.mqtt.mqttapi import Mqtt
+from room_control import RoomController
+
+
+class ButtonController(Mqtt):
+    def initialize(self):
+        self.setup_buttons(self.args['button'])
+        self.app: RoomController = self.get_app(self.args['app'])
+
+    def setup_buttons(self, buttons):
+        if isinstance(buttons, list):
+            for button in buttons: 
+                self.setup_button(button)
+        else:
+            self.setup_button(buttons)
+
+    def setup_button(self, name: str):
+        topic = f'zigbee2mqtt/{name}'
+        self.mqtt_subscribe(topic, namespace='mqtt')
+        self.listen_event(self.handle_button, "MQTT_MESSAGE", topic=topic, namespace='mqtt', button=name)
+        self.log(f'{name} controls app {self.args["app"]}')
+
+    def handle_button(self, event_name, data, kwargs):
+        topic = data['topic']
+        # self.log(f'Button event for: {topic}')
+        try:
+            payload = json.loads(data['payload'])
+            action = payload['action']
+            button = kwargs['button']
+        except json.JSONDecodeError:
+            self.log(f'Error decoding JSON from {data["payload"]}', level='ERROR')
+        except KeyError as e:
+            return
+        else:
+            self.log(f'{button}: {action}')
+            self.handle_action(action)
+
+    def handle_action(self, action: str):
+        if action == '':
+            return
+        elif action == 'single':
+            cause = 'button single click'
+            if self.app.entity_state:
+                self.app.deactivate(cause=cause)
+            else:
+                self.app.activate(cause=cause)
+        else:
+            pass