Add diagnostics to AirNow (#79904)

homeassistant/components/airnow/diagnostics.py

@@ -0,0 +1,53 @@
+"""Diagnostics support for AirNow."""
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import (
+    CONF_API_KEY,
+    CONF_LATITUDE,
+    CONF_LONGITUDE,
+    CONF_UNIQUE_ID,
+)
+from homeassistant.core import HomeAssistant
+
+from . import AirNowDataUpdateCoordinator
+from .const import DOMAIN
+
+ATTR_LATITUDE_CAP = "Latitude"
+ATTR_LONGITUDE_CAP = "Longitude"
+ATTR_REPORTING_AREA = "ReportingArea"
+ATTR_STATE_CODE = "StateCode"
+
+CONF_TITLE = "title"
+
+TO_REDACT = {
+    ATTR_LATITUDE_CAP,
+    ATTR_LONGITUDE_CAP,
+    ATTR_REPORTING_AREA,
+    ATTR_STATE_CODE,
+    CONF_API_KEY,
+    CONF_LATITUDE,
+    CONF_LONGITUDE,
+    # The config entry title has latitude/longitude:
+    CONF_TITLE,
+    # The config entry unique ID has latitude/longitude:
+    CONF_UNIQUE_ID,
+}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator: AirNowDataUpdateCoordinator = hass.data[DOMAIN][entry.entry_id]
+
+    return async_redact_data(
+        {
+            "entry": entry.as_dict(),
+            "data": coordinator.data,
+        },
+        TO_REDACT,
+    )