Merge pull request #53 from thebino/Feature/support-long-term-statistics

add support for long-term-statistics

CHANGELOG.md

@@ -5,6 +5,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+## [1.5.4] - 2021-08-10
+### Added
+- Added support for long-term statistics.
+
 ## [1.5.3] - 2021-07-01
 ### Changed
 - Changed string representation of the incidence number (# to nb).

custom_components/rki_covid/manifest.json

@@ -1,6 +1,6 @@
 {
   "domain": "rki_covid",
-  "version": "1.5.1",
+  "version": "1.5.4",
   "iot_class": "cloud_polling",
   "name": "Robert-Koch Institut COVID Numbers",
   "documentation": "https://github.com/thebino/rki_covid/blob/master/README.md",

custom_components/rki_covid/sensor.py

@@ -5,7 +5,7 @@
 from typing import Callable, Dict, Optional
 
 from homeassistant import config_entries, core
-from homeassistant.components.sensor import PLATFORM_SCHEMA
+from homeassistant.components.sensor import PLATFORM_SCHEMA, STATE_CLASS_MEASUREMENT
 from homeassistant.const import ATTR_ATTRIBUTION, CONF_NAME
 from homeassistant.exceptions import PlatformNotReady
 from homeassistant.helpers import update_coordinator
@@ -156,6 +156,11 @@ def icon(self):
         """Return the icon."""
         return SENSORS[self.info_type]
 
+    @property
+    def state_class(self):
+        """Opt-in for long-term statistics."""
+        return STATE_CLASS_MEASUREMENT
+
     @property
     def unit_of_measurement(self):
         """Return unit of measurement."""