Reorganize trigger code (#38655)

homeassistant/components/sun/trigger.py

@@ -0,0 +1,44 @@
+"""Offer sun based automation rules."""
+from datetime import timedelta
+import logging
+
+import voluptuous as vol
+
+from homeassistant.const import (
+    CONF_EVENT,
+    CONF_OFFSET,
+    CONF_PLATFORM,
+    SUN_EVENT_SUNRISE,
+)
+from homeassistant.core import callback
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.event import async_track_sunrise, async_track_sunset
+
+# mypy: allow-untyped-defs, no-check-untyped-defs
+
+_LOGGER = logging.getLogger(__name__)
+
+TRIGGER_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_PLATFORM): "sun",
+        vol.Required(CONF_EVENT): cv.sun_event,
+        vol.Required(CONF_OFFSET, default=timedelta(0)): cv.time_period,
+    }
+)
+
+
+async def async_attach_trigger(hass, config, action, automation_info):
+    """Listen for events based on configuration."""
+    event = config.get(CONF_EVENT)
+    offset = config.get(CONF_OFFSET)
+
+    @callback
+    def call_action():
+        """Call action with right context."""
+        hass.async_run_job(
+            action, {"trigger": {"platform": "sun", "event": event, "offset": offset}}
+        )
+
+    if event == SUN_EVENT_SUNRISE:
+        return async_track_sunrise(hass, call_action, offset)
+    return async_track_sunset(hass, call_action, offset)