Reintroduce iAlarm integration (#43525)

The previous iAlarm integration has been removed because it used
webscraping #43010.

Since then, the pyialarm library has been updated to use the iAlarm API
instead.

With this commit I reintroduce the iAlarm integration, leveraging the
new HA config flow.

Signed-off-by: Ludovico de Nittis <ludovico.denittis@collabora.com>

homeassistant/components/ialarm/alarm_control_panel.py

@@ -0,0 +1,64 @@
+"""Interfaces with iAlarm control panels."""
+import logging
+
+from homeassistant.components.alarm_control_panel import AlarmControlPanelEntity
+from homeassistant.components.alarm_control_panel.const import (
+    SUPPORT_ALARM_ARM_AWAY,
+    SUPPORT_ALARM_ARM_HOME,
+)
+from homeassistant.helpers.update_coordinator import CoordinatorEntity
+
+from .const import DATA_COORDINATOR, DOMAIN
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(hass, entry, async_add_entities) -> None:
+    """Set up a iAlarm alarm control panel based on a config entry."""
+    coordinator = hass.data[DOMAIN][entry.entry_id][DATA_COORDINATOR]
+    async_add_entities([IAlarmPanel(coordinator)], False)
+
+
+class IAlarmPanel(CoordinatorEntity, AlarmControlPanelEntity):
+    """Representation of an iAlarm device."""
+
+    @property
+    def device_info(self):
+        """Return device info for this device."""
+        return {
+            "identifiers": {(DOMAIN, self.unique_id)},
+            "name": self.name,
+            "manufacturer": "Antifurto365 - Meian",
+        }
+
+    @property
+    def unique_id(self):
+        """Return a unique id."""
+        return self.coordinator.mac
+
+    @property
+    def name(self):
+        """Return the name."""
+        return "iAlarm"
+
+    @property
+    def state(self):
+        """Return the state of the device."""
+        return self.coordinator.state
+
+    @property
+    def supported_features(self) -> int:
+        """Return the list of supported features."""
+        return SUPPORT_ALARM_ARM_HOME | SUPPORT_ALARM_ARM_AWAY
+
+    def alarm_disarm(self, code=None):
+        """Send disarm command."""
+        self.coordinator.ialarm.disarm()
+
+    def alarm_arm_home(self, code=None):
+        """Send arm home command."""
+        self.coordinator.ialarm.arm_stay()
+
+    def alarm_arm_away(self, code=None):
+        """Send arm away command."""
+        self.coordinator.ialarm.arm_away()