Add huawei_lte notify component (#19544)

* Add huawei_lte notify component

* Use CONF_RECIPIENT instead of ATTR_TARGET in config

homeassistant/components/notify/huawei_lte.py

@@ -0,0 +1,60 @@
+"""Huawei LTE router platform for notify component.
+
+For more details about this platform, please refer to the documentation at
+https://home-assistant.io/components/notify.huawei_lte/
+"""
+
+import logging
+
+import voluptuous as vol
+import attr
+
+from homeassistant.components.notify import (
+    BaseNotificationService, ATTR_TARGET, PLATFORM_SCHEMA)
+from homeassistant.const import CONF_RECIPIENT, CONF_URL
+import homeassistant.helpers.config_validation as cv
+
+from ..huawei_lte import DATA_KEY
+
+
+DEPENDENCIES = ['huawei_lte']
+
+_LOGGER = logging.getLogger(__name__)
+
+PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
+    vol.Optional(CONF_URL): cv.url,
+    vol.Required(CONF_RECIPIENT): vol.All(cv.ensure_list, [cv.string]),
+})
+
+
+async def async_get_service(hass, config, discovery_info=None):
+    """Get the notification service."""
+    return HuaweiLteSmsNotificationService(hass, config)
+
+
+@attr.s
+class HuaweiLteSmsNotificationService(BaseNotificationService):
+    """Huawei LTE router SMS notification service."""
+
+    hass = attr.ib()
+    config = attr.ib()
+
+    def send_message(self, message="", **kwargs):
+        """Send message to target numbers."""
+        from huawei_lte_api.exceptions import ResponseErrorException
+
+        targets = kwargs.get(ATTR_TARGET, self.config.get(CONF_RECIPIENT))
+        if not targets or not message:
+            return
+
+        data = self.hass.data[DATA_KEY].get_data(self.config)
+        if not data:
+            _LOGGER.error("Router not available")
+            return
+
+        try:
+            resp = data.client.sms.send_sms(
+                phone_numbers=targets, message=message)
+            _LOGGER.debug("Sent to %s: %s", targets, resp)
+        except ResponseErrorException as ex:
+            _LOGGER.error("Could not send to %s: %s", targets, ex)