Add reload service

README.md

@@ -117,7 +117,7 @@ arturs_labels:
 
 ```
 
-Each time you make changes to the configuration, you have to restart Home Assistant.
+Each time you make changes to the configuration, you have to reload the component or restart Home Assistant.
 
 ### Install prerequisites
 

custom_components/arturs_labels/README.md

@@ -117,7 +117,7 @@ arturs_labels:
 
 ```
 
-Each time you make changes to the configuration, you have to restart Home Assistant.
+Each time you make changes to the configuration, you have to reload the component or restart Home Assistant.
 
 ### Install prerequisites
 

custom_components/arturs_labels/__init__.py

@@ -4,8 +4,11 @@
 
 import voluptuous as vol
 
-from homeassistant.core import HomeAssistant
+from homeassistant.const import SERVICE_RELOAD
+from homeassistant.core import HomeAssistant, ServiceCall
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.reload import async_integration_yaml_config
+from homeassistant.helpers.service import async_register_admin_service
 from homeassistant.helpers.typing import ConfigType
 
 from .overrides import (
@@ -54,12 +57,41 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     # lr has to be loaded first, because others depend on it
     lr.async_load(hass, labels_parents)
 
+    # dr has to be loaded before er, so that callbacks
+    # to lr.EVENT_LABEL_REGISTRY_ANCESTRY_UPDATED fire in correct order
     dr.async_load(hass)
+
     er.async_load(hass)
     ar.async_load(hass)
 
     con_lr.async_setup(hass)
     con_dr.async_setup(hass)
     con_er.async_setup(hass)
 
+    async def _handle_reload(service_call: ServiceCall) -> None:
+        await async_reload(hass)
+        hass.bus.async_fire(f"event_{DOMAIN}_reloaded", context=service_call.context)
+
+    async_register_admin_service(
+        hass,
+        DOMAIN,
+        SERVICE_RELOAD,
+        _handle_reload,
+    )
+
     return True
+
+
+async def async_reload(hass: HomeAssistant) -> None:
+    """Reload component."""
+    config = await async_integration_yaml_config(hass, DOMAIN)
+
+    if config is None or DOMAIN not in config:
+        return
+
+    labels_parents = {}
+    for label_id, label_data in config[DOMAIN]["labels"].items():
+        labels_parents[label_id] = label_data["parents"]
+
+    lab_reg = lr.async_get(hass)
+    lab_reg.async_load_parents(labels_parents)

custom_components/arturs_labels/manifest.json

@@ -1,7 +1,7 @@
 {
   "domain": "arturs_labels",
   "name": "Artur's Labels",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "codeowners": ["@arturpragacz"],
   "integration_type": "system",
   "quality_scale": "internal"

custom_components/arturs_labels/services.yaml

@@ -0,0 +1 @@
+reload: