Add diagnostics to Volvo integration (home-assistant#153997)

Author: thomasddn

homeassistant/components/volvo/diagnostics.py

@@ -0,0 +1,45 @@
+"""Volvo diagnostics."""
+
+from dataclasses import asdict
+from typing import Any
+
+from homeassistant.const import CONF_ACCESS_TOKEN, CONF_API_KEY
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.redact import async_redact_data
+
+from .const import CONF_VIN
+from .coordinator import VolvoConfigEntry
+
+_TO_REDACT_ENTRY = [
+    CONF_ACCESS_TOKEN,
+    CONF_API_KEY,
+    CONF_VIN,
+    "id_token",
+    "refresh_token",
+]
+
+_TO_REDACT_DATA = [
+    "coordinates",
+    "heading",
+    "vin",
+]
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: VolvoConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    context = entry.runtime_data.interval_coordinators[0].context
+    data: dict[str, dict] = {}
+
+    for coordinator in entry.runtime_data.interval_coordinators:
+        data[coordinator.name] = {
+            key: async_redact_data(asdict(value), _TO_REDACT_DATA) if value else None
+            for key, value in coordinator.data.items()
+        }
+
+    return {
+        "entry_data": async_redact_data(entry.data, _TO_REDACT_ENTRY),
+        "vehicle": async_redact_data(asdict(context.vehicle), _TO_REDACT_DATA),
+        **data,
+    }