core/homeassistant/components/google/__init__.py

392 lines
13 KiB
Python

"""Support for Google - Calendar Event Devices."""
from __future__ import annotations
import asyncio
from collections.abc import Mapping
from datetime import datetime, timedelta
import logging
from typing import Any
import aiohttp
from gcal_sync.api import GoogleCalendarService
from gcal_sync.exceptions import ApiException
from gcal_sync.model import DateOrDatetime, Event
from oauth2client.file import Storage
import voluptuous as vol
from voluptuous.error import Error as VoluptuousError
import yaml
from homeassistant import config_entries
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import (
CONF_CLIENT_ID,
CONF_CLIENT_SECRET,
CONF_DEVICE_ID,
CONF_ENTITIES,
CONF_NAME,
CONF_OFFSET,
)
from homeassistant.core import HomeAssistant, ServiceCall
from homeassistant.exceptions import (
ConfigEntryAuthFailed,
ConfigEntryNotReady,
HomeAssistantError,
)
from homeassistant.helpers import config_entry_oauth2_flow
from homeassistant.helpers.aiohttp_client import async_get_clientsession
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.dispatcher import async_dispatcher_send
from homeassistant.helpers.entity import generate_entity_id
from homeassistant.helpers.typing import ConfigType
from . import config_flow
from .api import ApiAuthImpl, DeviceAuth
from .const import (
CONF_CALENDAR_ACCESS,
DATA_CONFIG,
DATA_SERVICE,
DISCOVER_CALENDAR,
DOMAIN,
FeatureAccess,
)
_LOGGER = logging.getLogger(__name__)
ENTITY_ID_FORMAT = DOMAIN + ".{}"
CONF_TRACK_NEW = "track_new_calendar"
CONF_CAL_ID = "cal_id"
CONF_TRACK = "track"
CONF_SEARCH = "search"
CONF_IGNORE_AVAILABILITY = "ignore_availability"
CONF_MAX_RESULTS = "max_results"
DEFAULT_CONF_OFFSET = "!!"
EVENT_CALENDAR_ID = "calendar_id"
EVENT_DESCRIPTION = "description"
EVENT_END_CONF = "end"
EVENT_END_DATE = "end_date"
EVENT_END_DATETIME = "end_date_time"
EVENT_IN = "in"
EVENT_IN_DAYS = "days"
EVENT_IN_WEEKS = "weeks"
EVENT_START_CONF = "start"
EVENT_START_DATE = "start_date"
EVENT_START_DATETIME = "start_date_time"
EVENT_SUMMARY = "summary"
EVENT_TYPES_CONF = "event_types"
NOTIFICATION_ID = "google_calendar_notification"
NOTIFICATION_TITLE = "Google Calendar Setup"
GROUP_NAME_ALL_CALENDARS = "Google Calendar Sensors"
SERVICE_SCAN_CALENDARS = "scan_for_calendars"
SERVICE_FOUND_CALENDARS = "found_calendar"
SERVICE_ADD_EVENT = "add_event"
YAML_DEVICES = f"{DOMAIN}_calendars.yaml"
TOKEN_FILE = f".{DOMAIN}.token"
PLATFORMS = ["calendar"]
CONFIG_SCHEMA = vol.Schema(
{
DOMAIN: vol.Schema(
{
vol.Required(CONF_CLIENT_ID): cv.string,
vol.Required(CONF_CLIENT_SECRET): cv.string,
vol.Optional(CONF_TRACK_NEW, default=True): cv.boolean,
vol.Optional(CONF_CALENDAR_ACCESS, default="read_write"): cv.enum(
FeatureAccess
),
}
)
},
extra=vol.ALLOW_EXTRA,
)
_SINGLE_CALSEARCH_CONFIG = vol.All(
cv.deprecated(CONF_MAX_RESULTS),
vol.Schema(
{
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_DEVICE_ID): cv.string,
vol.Optional(CONF_IGNORE_AVAILABILITY, default=True): cv.boolean,
vol.Optional(CONF_OFFSET): cv.string,
vol.Optional(CONF_SEARCH): cv.string,
vol.Optional(CONF_TRACK): cv.boolean,
vol.Optional(CONF_MAX_RESULTS): cv.positive_int, # Now unused
}
),
)
DEVICE_SCHEMA = vol.Schema(
{
vol.Required(CONF_CAL_ID): cv.string,
vol.Required(CONF_ENTITIES, None): vol.All(
cv.ensure_list, [_SINGLE_CALSEARCH_CONFIG]
),
},
extra=vol.ALLOW_EXTRA,
)
_EVENT_IN_TYPES = vol.Schema(
{
vol.Exclusive(EVENT_IN_DAYS, EVENT_TYPES_CONF): cv.positive_int,
vol.Exclusive(EVENT_IN_WEEKS, EVENT_TYPES_CONF): cv.positive_int,
}
)
ADD_EVENT_SERVICE_SCHEMA = vol.Schema(
{
vol.Required(EVENT_CALENDAR_ID): cv.string,
vol.Required(EVENT_SUMMARY): cv.string,
vol.Optional(EVENT_DESCRIPTION, default=""): cv.string,
vol.Exclusive(EVENT_START_DATE, EVENT_START_CONF): cv.date,
vol.Exclusive(EVENT_END_DATE, EVENT_END_CONF): cv.date,
vol.Exclusive(EVENT_START_DATETIME, EVENT_START_CONF): cv.datetime,
vol.Exclusive(EVENT_END_DATETIME, EVENT_END_CONF): cv.datetime,
vol.Exclusive(EVENT_IN, EVENT_START_CONF, EVENT_END_CONF): _EVENT_IN_TYPES,
}
)
async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
"""Set up the Google component."""
conf = config.get(DOMAIN, {})
hass.data[DOMAIN] = {DATA_CONFIG: conf}
config_flow.OAuth2FlowHandler.async_register_implementation(
hass,
DeviceAuth(
hass,
conf[CONF_CLIENT_ID],
conf[CONF_CLIENT_SECRET],
),
)
# Import credentials from the old token file into the new way as
# a ConfigEntry managed by home assistant.
storage = Storage(hass.config.path(TOKEN_FILE))
creds = await hass.async_add_executor_job(storage.get)
if creds and conf[CONF_CALENDAR_ACCESS].scope in creds.scopes:
_LOGGER.debug("Importing configuration entry with credentials")
hass.async_create_task(
hass.config_entries.flow.async_init(
DOMAIN,
context={"source": config_entries.SOURCE_IMPORT},
data={
"creds": creds,
},
)
)
return True
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Google from a config entry."""
implementation = (
await config_entry_oauth2_flow.async_get_config_entry_implementation(
hass, entry
)
)
session = config_entry_oauth2_flow.OAuth2Session(hass, entry, implementation)
# Force a token refresh to fix a bug where tokens were persisted with
# expires_in (relative time delta) and expires_at (absolute time) swapped.
# A google session token typically only lasts a few days between refresh.
now = datetime.now()
if session.token["expires_at"] >= (now + timedelta(days=365)).timestamp():
session.token["expires_in"] = 0
session.token["expires_at"] = now.timestamp()
try:
await session.async_ensure_token_valid()
except aiohttp.ClientResponseError as err:
if 400 <= err.status < 500:
raise ConfigEntryAuthFailed from err
raise ConfigEntryNotReady from err
except aiohttp.ClientError as err:
raise ConfigEntryNotReady from err
required_scope = hass.data[DOMAIN][DATA_CONFIG][CONF_CALENDAR_ACCESS].scope
if required_scope not in session.token.get("scope", []):
raise ConfigEntryAuthFailed(
"Required scopes are not available, reauth required"
)
calendar_service = GoogleCalendarService(
ApiAuthImpl(async_get_clientsession(hass), session)
)
hass.data[DOMAIN][DATA_SERVICE] = calendar_service
await async_setup_services(hass, hass.data[DOMAIN][DATA_CONFIG], calendar_service)
hass.config_entries.async_setup_platforms(entry, PLATFORMS)
return True
async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Unload a config entry."""
return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
async def async_setup_services(
hass: HomeAssistant,
config: ConfigType,
calendar_service: GoogleCalendarService,
) -> None:
"""Set up the service listeners."""
created_calendars = set()
calendars = await hass.async_add_executor_job(
load_config, hass.config.path(YAML_DEVICES)
)
async def _found_calendar(call: ServiceCall) -> None:
calendar = get_calendar_info(hass, call.data)
calendar_id = calendar[CONF_CAL_ID]
if calendar_id in created_calendars:
return
created_calendars.add(calendar_id)
# Populate the yaml file with all discovered calendars
if calendar_id not in calendars:
calendars[calendar_id] = calendar
await hass.async_add_executor_job(
update_config, hass.config.path(YAML_DEVICES), calendar
)
else:
# Prefer entity/name information from yaml, overriding api
calendar = calendars[calendar_id]
async_dispatcher_send(hass, DISCOVER_CALENDAR, calendar)
hass.services.async_register(DOMAIN, SERVICE_FOUND_CALENDARS, _found_calendar)
async def _scan_for_calendars(call: ServiceCall) -> None:
"""Scan for new calendars."""
try:
result = await calendar_service.async_list_calendars()
except ApiException as err:
raise HomeAssistantError(str(err)) from err
tasks = []
for calendar_item in result.items:
calendar = calendar_item.dict(exclude_unset=True)
calendar[CONF_TRACK] = config[CONF_TRACK_NEW]
tasks.append(
hass.services.async_call(DOMAIN, SERVICE_FOUND_CALENDARS, calendar)
)
await asyncio.gather(*tasks)
hass.services.async_register(DOMAIN, SERVICE_SCAN_CALENDARS, _scan_for_calendars)
async def _add_event(call: ServiceCall) -> None:
"""Add a new event to calendar."""
start: DateOrDatetime | None = None
end: DateOrDatetime | None = None
if EVENT_IN in call.data:
if EVENT_IN_DAYS in call.data[EVENT_IN]:
now = datetime.now()
start_in = now + timedelta(days=call.data[EVENT_IN][EVENT_IN_DAYS])
end_in = start_in + timedelta(days=1)
start = DateOrDatetime(date=start_in)
end = DateOrDatetime(date=end_in)
elif EVENT_IN_WEEKS in call.data[EVENT_IN]:
now = datetime.now()
start_in = now + timedelta(weeks=call.data[EVENT_IN][EVENT_IN_WEEKS])
end_in = start_in + timedelta(days=1)
start = DateOrDatetime(date=start_in)
end = DateOrDatetime(date=end_in)
elif EVENT_START_DATE in call.data:
start = DateOrDatetime(date=call.data[EVENT_START_DATE])
end = DateOrDatetime(date=call.data[EVENT_END_DATE])
elif EVENT_START_DATETIME in call.data:
start_dt = call.data[EVENT_START_DATETIME]
end_dt = call.data[EVENT_END_DATETIME]
start = DateOrDatetime(
date_time=start_dt, timezone=str(hass.config.time_zone)
)
end = DateOrDatetime(date_time=end_dt, timezone=str(hass.config.time_zone))
if start is None or end is None:
raise ValueError(
"Missing required fields to set start or end date/datetime"
)
await calendar_service.async_create_event(
call.data[EVENT_CALENDAR_ID],
Event(
summary=call.data[EVENT_SUMMARY],
description=call.data[EVENT_DESCRIPTION],
start=start,
end=end,
),
)
# Only expose the add event service if we have the correct permissions
if config.get(CONF_CALENDAR_ACCESS) is FeatureAccess.read_write:
hass.services.async_register(
DOMAIN, SERVICE_ADD_EVENT, _add_event, schema=ADD_EVENT_SERVICE_SCHEMA
)
def get_calendar_info(
hass: HomeAssistant, calendar: Mapping[str, Any]
) -> dict[str, Any]:
"""Convert data from Google into DEVICE_SCHEMA."""
calendar_info: dict[str, Any] = DEVICE_SCHEMA(
{
CONF_CAL_ID: calendar["id"],
CONF_ENTITIES: [
{
CONF_TRACK: calendar["track"],
CONF_NAME: calendar["summary"],
CONF_DEVICE_ID: generate_entity_id(
"{}", calendar["summary"], hass=hass
),
}
],
}
)
return calendar_info
def load_config(path: str) -> dict[str, Any]:
"""Load the google_calendar_devices.yaml."""
calendars = {}
try:
with open(path, encoding="utf8") as file:
data = yaml.safe_load(file)
for calendar in data:
try:
calendars.update({calendar[CONF_CAL_ID]: DEVICE_SCHEMA(calendar)})
except VoluptuousError as exception:
# keep going
_LOGGER.warning("Calendar Invalid Data: %s", exception)
except FileNotFoundError as err:
_LOGGER.debug("Error reading calendar configuration: %s", err)
# When YAML file could not be loaded/did not contain a dict
return {}
return calendars
def update_config(path: str, calendar: dict[str, Any]) -> None:
"""Write the google_calendar_devices.yaml."""
try:
with open(path, "a", encoding="utf8") as out:
out.write("\n")
yaml.dump([calendar], out, default_flow_style=False)
except FileNotFoundError as err:
_LOGGER.debug("Error persisting calendar configuration: %s", err)