Add support for ElkM1 alarm/automation panel

homeassistant/components/alarm_control_panel/elkm1.py

@@ -0,0 +1,192 @@
+"""
+Each ElkM1 area will be created as a separate alarm_control_panel in HASS.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/alarm_control_panel.elkm1/
+"""
+
+import voluptuous as vol
+import homeassistant.components.alarm_control_panel as alarm
+from homeassistant.const import (
+    ATTR_ENTITY_ID, STATE_ALARM_ARMED_AWAY, STATE_ALARM_ARMED_HOME,
+    STATE_ALARM_ARMED_NIGHT, STATE_ALARM_ARMING, STATE_ALARM_DISARMED,
+    STATE_ALARM_PENDING, STATE_ALARM_TRIGGERED)
+from homeassistant.components.elkm1 import (
+    DOMAIN as ELK_DOMAIN, create_elk_entities, ElkDeviceBase)
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.dispatcher import (
+    async_dispatcher_connect, async_dispatcher_send)
+
+DEPENDENCIES = [ELK_DOMAIN]
+
+SIGNAL_ARM_ENTITY = 'elkm1_arm'
+SIGNAL_DISPLAY_MESSAGE = 'elkm1_display_message'
+
+DISPLAY_MESSAGE_SERVICE_SCHEMA = vol.Schema({
+    vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
+    vol.Optional('clear', default=2): vol.In([0, 1, 2]),
+    vol.Optional('beep', default=False): cv.boolean,
+    vol.Optional('timeout', default=0): vol.Range(min=0, max=65535),
+    vol.Optional('line1', default=''): cv.string,
+    vol.Optional('line2', default=''): cv.string,
+})
+
+
+async def async_setup_platform(hass, config, async_add_entities,
+                               discovery_info):
+    """Setup the ElkM1 alarm platform."""
+
+    elk = hass.data[ELK_DOMAIN]['elk']
+    entities = create_elk_entities(hass, elk.areas, 'area', ElkArea, [])
+    async_add_entities(entities, True)
+
+    def _arm_service(service):
+        entity_ids = service.data.get(ATTR_ENTITY_ID, [])
+        arm_level = _arm_services().get(service.service)
+        code = service.data.get('code')
+        if arm_level and code:
+            args = (entity_ids, arm_level, code)
+            async_dispatcher_send(hass, SIGNAL_ARM_ENTITY, *args)
+
+    for service in _arm_services():
+        hass.services.async_register(
+            alarm.DOMAIN, service, _arm_service, alarm.ALARM_SERVICE_SCHEMA)
+
+    def _display_message_service(service):
+        data = service.data
+        args = (data['clear'], data['beep'], data['timeout'],
+                data['line1'], data['line2'])
+        async_dispatcher_send(hass, SIGNAL_DISPLAY_MESSAGE, *args)
+
+    hass.services.async_register(
+        alarm.DOMAIN, 'elkm1_alarm_display_message',
+        _display_message_service, DISPLAY_MESSAGE_SERVICE_SCHEMA)
+
+
+def _arm_services():
+    from elkm1_lib.const import ArmLevel
+
+    ARM_SERVICES = {
+        'elkm1_alarm_arm_vacation': ArmLevel.ARMED_VACATION.value,
+        'elkm1_alarm_arm_home_instant': ArmLevel.ARMED_STAY_INSTANT.value,
+        'elkm1_alarm_arm_night_instant': ArmLevel.ARMED_NIGHT_INSTANT.value,
+    }
+    return ARM_SERVICES
+
+
+class ElkArea(ElkDeviceBase, alarm.AlarmControlPanel):
+    """Representation of an Area / Partition within the ElkM1 alarm panel."""
+
+    def __init__(self, element, elk, elk_data):
+        """Initialize Area as Alarm Control Panel."""
+        super().__init__('alarm_control_panel', element, elk, elk_data)
+        self._changed_by_entity_id = ''
+
+    async def async_added_to_hass(self):
+        """Register callback for ElkM1 changes."""
+        await super().async_added_to_hass()
+        for keypad in self._elk.keypads:
+            keypad.add_callback(self._watch_keypad)
+        async_dispatcher_connect(
+            self.hass, SIGNAL_ARM_ENTITY, self._arm_service)
+        async_dispatcher_connect(
+            self.hass, SIGNAL_DISPLAY_MESSAGE, self._display_message)
+
+    def _watch_keypad(self, keypad, changeset):
+        if keypad.area != self._element.index:
+            return
+        if changeset.get('last_user') is not None:
+            self._changed_by_entity_id = self.hass.data[
+                ELK_DOMAIN]['keypads'].get(keypad.index, '')
+            self.async_schedule_update_ha_state(True)
+
+    @property
+    def code_format(self):
+        """Return the alarm code format."""
+        return '^[0-9]{4}([0-9]{2})?$'
+
+    @property
+    def state(self):
+        """The state of the element."""
+        return self._state
+
+    @property
+    def device_state_attributes(self):
+        """Attributes of the area."""
+        from elkm1_lib.const import AlarmState, ArmedStatus, ArmUpState
+
+        attrs = self.initial_attrs()
+        elmt = self._element
+        attrs['is_exit'] = elmt.is_exit
+        attrs['timer1'] = elmt.timer1
+        attrs['timer2'] = elmt.timer2
+        if elmt.armed_status is not None:
+            attrs['armed_status'] = \
+                ArmedStatus(elmt.armed_status).name.lower()
+        if elmt.arm_up_state is not None:
+            attrs['arm_up_state'] = ArmUpState(elmt.arm_up_state).name.lower()
+        if elmt.alarm_state is not None:
+            attrs['alarm_state'] = AlarmState(elmt.alarm_state).name.lower()
+        attrs['changed_by_entity_id'] = self._changed_by_entity_id
+        return attrs
+
+    def _element_changed(self, element, changeset):
+        from elkm1_lib.const import ArmedStatus
+
+        ELK_STATE_TO_HASS_STATE = {
+            ArmedStatus.DISARMED.value: STATE_ALARM_DISARMED,
+            ArmedStatus.ARMED_AWAY.value: STATE_ALARM_ARMED_AWAY,
+            ArmedStatus.ARMED_STAY.value: STATE_ALARM_ARMED_HOME,
+            ArmedStatus.ARMED_STAY_INSTANT.value: STATE_ALARM_ARMED_HOME,
+            ArmedStatus.ARMED_TO_NIGHT.value: STATE_ALARM_ARMED_NIGHT,
+            ArmedStatus.ARMED_TO_NIGHT_INSTANT.value: STATE_ALARM_ARMED_NIGHT,
+            ArmedStatus.ARMED_TO_VACATION.value: STATE_ALARM_ARMED_AWAY,
+        }
+
+        if self._element.alarm_state is None:
+            self._state = None
+        elif self._area_is_in_alarm_state():
+            self._state = STATE_ALARM_TRIGGERED
+        elif self._entry_exit_timer_is_running():
+            self._state = STATE_ALARM_ARMING \
+                if self._element.is_exit else STATE_ALARM_PENDING
+        else:
+            self._state = ELK_STATE_TO_HASS_STATE[self._element.armed_status]
+
+    def _entry_exit_timer_is_running(self):
+        return self._element.timer1 > 0 or self._element.timer2 > 0
+
+    def _area_is_in_alarm_state(self):
+        from elkm1_lib.const import AlarmState
+
+        return self._element.alarm_state >= AlarmState.FIRE_ALARM.value
+
+    async def async_alarm_disarm(self, code=None):
+        """Send disarm command."""
+        self._element.disarm(int(code))
+
+    async def async_alarm_arm_home(self, code=None):
+        """Send arm home command."""
+        from elkm1_lib.const import ArmLevel
+
+        self._element.arm(ArmLevel.ARMED_STAY.value, int(code))
+
+    async def async_alarm_arm_away(self, code=None):
+        """Send arm away command."""
+        from elkm1_lib.const import ArmLevel
+
+        self._element.arm(ArmLevel.ARMED_AWAY.value, int(code))
+
+    async def async_alarm_arm_night(self, code=None):
+        """Send arm night command."""
+        from elkm1_lib.const import ArmLevel
+
+        self._element.arm(ArmLevel.ARMED_NIGHT.value, int(code))
+
+    async def _arm_service(self, entity_ids, arm_level, code):
+        if self.entity_id in entity_ids:
+            self._element.arm(arm_level, int(code))
+
+    async def _display_message(self, clear, beep, timeout, line1, line2):
+        """Display a message on all keypads for the area."""
+        self._element.display_message(clear, beep, timeout, line1, line2)