Omit declined Google Calendar events (#128900)

* Omit decline Google Calendar events

* move comment to top of function and update

* Apply suggestions from code review

* import ResponseStatus

homeassistant/components/google/calendar.py

@@ -10,7 +10,14 @@ from typing import Any, cast
 
 from gcal_sync.api import Range, SyncEventsRequest
 from gcal_sync.exceptions import ApiException
-from gcal_sync.model import AccessRole, Calendar, DateOrDatetime, Event, EventTypeEnum
+from gcal_sync.model import (
+    AccessRole,
+    Calendar,
+    DateOrDatetime,
+    Event,
+    EventTypeEnum,
+    ResponseStatus,
+)
 from gcal_sync.store import ScopedCalendarStore
 from gcal_sync.sync import CalendarEventSyncManager
 
@@ -367,7 +374,14 @@ class GoogleCalendarEntity(
         return event
 
     def _event_filter(self, event: Event) -> bool:
-        """Return True if the event is visible."""
+        """Return True if the event is visible and not declined."""
+
+        if any(
+            attendee.is_self and attendee.response_status == ResponseStatus.DECLINED
+            for attendee in event.attendees
+        ):
+            return False
+
         if event.event_type == EventTypeEnum.WORKING_LOCATION:
             return self.entity_description.working_location
         if self._ignore_availability:

tests/components/google/test_calendar.py

@@ -572,6 +572,62 @@ async def test_opaque_event(
     assert state.state == (STATE_ON if expect_visible_event else STATE_OFF)
 
 
+async def test_declined_event(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    mock_calendars_yaml,
+    mock_events_list_items,
+    component_setup,
+) -> None:
+    """Test querying the API and fetching events from the server."""
+    event = {
+        **TEST_EVENT,
+        **upcoming(),
+        "attendees": [
+            {
+                "self": "True",
+                "responseStatus": "declined",
+            }
+        ],
+    }
+    mock_events_list_items([event])
+    assert await component_setup()
+
+    client = await hass_client()
+    response = await client.get(upcoming_event_url(TEST_YAML_ENTITY))
+    assert response.status == HTTPStatus.OK
+    events = await response.json()
+    assert len(events) == 0
+
+
+async def test_attending_event(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    mock_calendars_yaml,
+    mock_events_list_items,
+    component_setup,
+) -> None:
+    """Test querying the API and fetching events from the server."""
+    event = {
+        **TEST_EVENT,
+        **upcoming(),
+        "attendees": [
+            {
+                "self": "True",
+                "responseStatus": "accepted",
+            }
+        ],
+    }
+    mock_events_list_items([event])
+    assert await component_setup()
+
+    client = await hass_client()
+    response = await client.get(upcoming_event_url(TEST_YAML_ENTITY))
+    assert response.status == HTTPStatus.OK
+    events = await response.json()
+    assert len(events) == 1
+
+
 @pytest.mark.parametrize("mock_test_setup", [None])
 async def test_scan_calendar_error(
     hass: HomeAssistant,