tronikos 716b559e5d
Skip the update right after the migration in Opower (#144088)
* Wait for the migration to finish in Opower

* Don't call async_block_till_done since this can timeout and seems to meant for tests

* Don't call async_block_till_done since this can timeout and seems to meant for tests
2025-05-03 15:12:01 -04:00

538 lines
21 KiB
Python

"""Coordinator to handle Opower connections."""
from datetime import datetime, timedelta
import logging
from typing import Any, cast
from opower import (
Account,
AggregateType,
CostRead,
Forecast,
MeterType,
Opower,
ReadResolution,
)
from opower.exceptions import ApiException, CannotConnect, InvalidAuth
from homeassistant.components.recorder import get_instance
from homeassistant.components.recorder.models import (
StatisticData,
StatisticMeanType,
StatisticMetaData,
)
from homeassistant.components.recorder.statistics import (
async_add_external_statistics,
get_last_statistics,
statistics_during_period,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_PASSWORD, CONF_USERNAME, UnitOfEnergy, UnitOfVolume
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import ConfigEntryAuthFailed
from homeassistant.helpers import aiohttp_client, issue_registry as ir
from homeassistant.helpers.update_coordinator import DataUpdateCoordinator, UpdateFailed
from homeassistant.util import dt as dt_util
from .const import CONF_TOTP_SECRET, CONF_UTILITY, DOMAIN
_LOGGER = logging.getLogger(__name__)
type OpowerConfigEntry = ConfigEntry[OpowerCoordinator]
class OpowerCoordinator(DataUpdateCoordinator[dict[str, Forecast]]):
"""Handle fetching Opower data, updating sensors and inserting statistics."""
config_entry: OpowerConfigEntry
def __init__(
self,
hass: HomeAssistant,
config_entry: OpowerConfigEntry,
) -> None:
"""Initialize the data handler."""
super().__init__(
hass,
_LOGGER,
config_entry=config_entry,
name="Opower",
# Data is updated daily on Opower.
# Refresh every 12h to be at most 12h behind.
update_interval=timedelta(hours=12),
)
self.api = Opower(
aiohttp_client.async_get_clientsession(hass),
config_entry.data[CONF_UTILITY],
config_entry.data[CONF_USERNAME],
config_entry.data[CONF_PASSWORD],
config_entry.data.get(CONF_TOTP_SECRET),
)
@callback
def _dummy_listener() -> None:
pass
# Force the coordinator to periodically update by registering at least one listener.
# Needed when the _async_update_data below returns {} for utilities that don't provide
# forecast, which results to no sensors added, no registered listeners, and thus
# _async_update_data not periodically getting called which is needed for _insert_statistics.
self.async_add_listener(_dummy_listener)
async def _async_update_data(
self,
) -> dict[str, Forecast]:
"""Fetch data from API endpoint."""
try:
# Login expires after a few minutes.
# Given the infrequent updating (every 12h)
# assume previous session has expired and re-login.
await self.api.async_login()
except InvalidAuth as err:
_LOGGER.error("Error during login: %s", err)
raise ConfigEntryAuthFailed from err
except CannotConnect as err:
_LOGGER.error("Error during login: %s", err)
raise UpdateFailed(f"Error during login: {err}") from err
try:
forecasts: list[Forecast] = await self.api.async_get_forecast()
except ApiException as err:
_LOGGER.error("Error getting forecasts: %s", err)
raise
_LOGGER.debug("Updating sensor data with: %s", forecasts)
# Because Opower provides historical usage/cost with a delay of a couple of days
# we need to insert data into statistics.
await self._insert_statistics()
return {forecast.account.utility_account_id: forecast for forecast in forecasts}
async def _insert_statistics(self) -> None:
"""Insert Opower statistics."""
try:
accounts = await self.api.async_get_accounts()
except ApiException as err:
_LOGGER.error("Error getting accounts: %s", err)
raise
for account in accounts:
id_prefix = "_".join(
(
self.api.utility.subdomain(),
account.meter_type.name.lower(),
# Some utilities like AEP have "-" in their account id.
# Replace it with "_" to avoid "Invalid statistic_id"
account.utility_account_id.replace("-", "_").lower(),
)
)
cost_statistic_id = f"{DOMAIN}:{id_prefix}_energy_cost"
compensation_statistic_id = f"{DOMAIN}:{id_prefix}_energy_compensation"
consumption_statistic_id = f"{DOMAIN}:{id_prefix}_energy_consumption"
return_statistic_id = f"{DOMAIN}:{id_prefix}_energy_return"
_LOGGER.debug(
"Updating Statistics for %s, %s, %s, and %s",
cost_statistic_id,
compensation_statistic_id,
consumption_statistic_id,
return_statistic_id,
)
name_prefix = (
f"Opower {self.api.utility.subdomain()} "
f"{account.meter_type.name.lower()} {account.utility_account_id}"
)
cost_metadata = StatisticMetaData(
mean_type=StatisticMeanType.NONE,
has_sum=True,
name=f"{name_prefix} cost",
source=DOMAIN,
statistic_id=cost_statistic_id,
unit_of_measurement=None,
)
compensation_metadata = StatisticMetaData(
mean_type=StatisticMeanType.NONE,
has_sum=True,
name=f"{name_prefix} compensation",
source=DOMAIN,
statistic_id=compensation_statistic_id,
unit_of_measurement=None,
)
consumption_unit = (
UnitOfEnergy.KILO_WATT_HOUR
if account.meter_type == MeterType.ELEC
else UnitOfVolume.CENTUM_CUBIC_FEET
)
consumption_metadata = StatisticMetaData(
mean_type=StatisticMeanType.NONE,
has_sum=True,
name=f"{name_prefix} consumption",
source=DOMAIN,
statistic_id=consumption_statistic_id,
unit_of_measurement=consumption_unit,
)
return_metadata = StatisticMetaData(
mean_type=StatisticMeanType.NONE,
has_sum=True,
name=f"{name_prefix} return",
source=DOMAIN,
statistic_id=return_statistic_id,
unit_of_measurement=consumption_unit,
)
last_stat = await get_instance(self.hass).async_add_executor_job(
get_last_statistics, self.hass, 1, consumption_statistic_id, True, set()
)
if not last_stat:
_LOGGER.debug("Updating statistic for the first time")
cost_reads = await self._async_get_cost_reads(
account, self.api.utility.timezone()
)
cost_sum = 0.0
compensation_sum = 0.0
consumption_sum = 0.0
return_sum = 0.0
last_stats_time = None
else:
migrated = await self._async_maybe_migrate_statistics(
account.utility_account_id,
{
cost_statistic_id: compensation_statistic_id,
consumption_statistic_id: return_statistic_id,
},
{
cost_statistic_id: cost_metadata,
compensation_statistic_id: compensation_metadata,
consumption_statistic_id: consumption_metadata,
return_statistic_id: return_metadata,
},
)
if migrated:
# Skip update to avoid working on old data since the migration is done
# asynchronously. Update the statistics in the next refresh in 12h.
_LOGGER.debug(
"Statistics migration completed. Skipping update for now"
)
continue
cost_reads = await self._async_get_cost_reads(
account,
self.api.utility.timezone(),
last_stat[consumption_statistic_id][0]["start"],
)
if not cost_reads:
_LOGGER.debug("No recent usage/cost data. Skipping update")
continue
start = cost_reads[0].start_time
_LOGGER.debug("Getting statistics at: %s", start)
# In the common case there should be a previous statistic at start time
# so we only need to fetch one statistic. If there isn't any, fetch all.
for end in (start + timedelta(seconds=1), None):
stats = await get_instance(self.hass).async_add_executor_job(
statistics_during_period,
self.hass,
start,
end,
{
cost_statistic_id,
compensation_statistic_id,
consumption_statistic_id,
return_statistic_id,
},
"hour",
None,
{"sum"},
)
if stats:
break
if end:
_LOGGER.debug(
"Not found. Trying to find the oldest statistic after %s",
start,
)
# We are in this code path only if get_last_statistics found a stat
# so statistics_during_period should also have found at least one.
assert stats
def _safe_get_sum(records: list[Any]) -> float:
if records and "sum" in records[0]:
return float(records[0]["sum"])
return 0.0
cost_sum = _safe_get_sum(stats.get(cost_statistic_id, []))
compensation_sum = _safe_get_sum(
stats.get(compensation_statistic_id, [])
)
consumption_sum = _safe_get_sum(stats.get(consumption_statistic_id, []))
return_sum = _safe_get_sum(stats.get(return_statistic_id, []))
last_stats_time = stats[consumption_statistic_id][0]["start"]
cost_statistics = []
compensation_statistics = []
consumption_statistics = []
return_statistics = []
for cost_read in cost_reads:
start = cost_read.start_time
if last_stats_time is not None and start.timestamp() <= last_stats_time:
continue
cost_state = max(0, cost_read.provided_cost)
compensation_state = max(0, -cost_read.provided_cost)
consumption_state = max(0, cost_read.consumption)
return_state = max(0, -cost_read.consumption)
cost_sum += cost_state
compensation_sum += compensation_state
consumption_sum += consumption_state
return_sum += return_state
cost_statistics.append(
StatisticData(start=start, state=cost_state, sum=cost_sum)
)
compensation_statistics.append(
StatisticData(
start=start, state=compensation_state, sum=compensation_sum
)
)
consumption_statistics.append(
StatisticData(
start=start, state=consumption_state, sum=consumption_sum
)
)
return_statistics.append(
StatisticData(start=start, state=return_state, sum=return_sum)
)
_LOGGER.debug(
"Adding %s statistics for %s",
len(cost_statistics),
cost_statistic_id,
)
async_add_external_statistics(self.hass, cost_metadata, cost_statistics)
_LOGGER.debug(
"Adding %s statistics for %s",
len(compensation_statistics),
compensation_statistic_id,
)
async_add_external_statistics(
self.hass, compensation_metadata, compensation_statistics
)
_LOGGER.debug(
"Adding %s statistics for %s",
len(consumption_statistics),
consumption_statistic_id,
)
async_add_external_statistics(
self.hass, consumption_metadata, consumption_statistics
)
_LOGGER.debug(
"Adding %s statistics for %s",
len(return_statistics),
return_statistic_id,
)
async_add_external_statistics(self.hass, return_metadata, return_statistics)
async def _async_maybe_migrate_statistics(
self,
utility_account_id: str,
migration_map: dict[str, str],
metadata_map: dict[str, StatisticMetaData],
) -> bool:
"""Perform one-time statistics migration based on the provided map.
Splits negative values from source IDs into target IDs.
Args:
utility_account_id: The account ID (for issue_id).
migration_map: Map from source statistic ID to target statistic ID
(e.g., {cost_id: compensation_id}).
metadata_map: Map of all statistic IDs (source and target) to their metadata.
"""
if not migration_map:
return False
need_migration_source_ids = set()
for source_id, target_id in migration_map.items():
last_target_stat = await get_instance(self.hass).async_add_executor_job(
get_last_statistics,
self.hass,
1,
target_id,
True,
set(),
)
if not last_target_stat:
need_migration_source_ids.add(source_id)
if not need_migration_source_ids:
return False
_LOGGER.info("Starting one-time migration for: %s", need_migration_source_ids)
processed_stats: dict[str, list[StatisticData]] = {}
existing_stats = await get_instance(self.hass).async_add_executor_job(
statistics_during_period,
self.hass,
dt_util.utc_from_timestamp(0),
None,
need_migration_source_ids,
"hour",
None,
{"start", "state", "sum"},
)
for source_id, source_stats in existing_stats.items():
_LOGGER.debug("Found %d statistics for %s", len(source_stats), source_id)
if not source_stats:
continue
target_id = migration_map[source_id]
updated_source_stats: list[StatisticData] = []
new_target_stats: list[StatisticData] = []
updated_source_sum = 0.0
new_target_sum = 0.0
need_migration = False
prev_sum = 0.0
for stat in source_stats:
start = dt_util.utc_from_timestamp(stat["start"])
curr_sum = cast(float, stat["sum"])
state = curr_sum - prev_sum
prev_sum = curr_sum
if state < 0:
need_migration = True
updated_source_state = max(0, state)
new_target_state = max(0, -state)
updated_source_sum += updated_source_state
new_target_sum += new_target_state
updated_source_stats.append(
StatisticData(
start=start, state=updated_source_state, sum=updated_source_sum
)
)
new_target_stats.append(
StatisticData(
start=start, state=new_target_state, sum=new_target_sum
)
)
if need_migration:
processed_stats[source_id] = updated_source_stats
processed_stats[target_id] = new_target_stats
else:
need_migration_source_ids.remove(source_id)
if not need_migration_source_ids:
_LOGGER.debug("No migration needed")
return False
for stat_id, stats in processed_stats.items():
_LOGGER.debug("Applying %d migrated stats for %s", len(stats), stat_id)
async_add_external_statistics(self.hass, metadata_map[stat_id], stats)
ir.async_create_issue(
self.hass,
DOMAIN,
issue_id=f"return_to_grid_migration_{utility_account_id}",
is_fixable=False,
severity=ir.IssueSeverity.WARNING,
translation_key="return_to_grid_migration",
translation_placeholders={
"utility_account_id": utility_account_id,
"energy_settings": "/config/energy",
"target_ids": "\n".join(
{
v
for k, v in migration_map.items()
if k in need_migration_source_ids
}
),
},
)
return True
async def _async_get_cost_reads(
self, account: Account, time_zone_str: str, start_time: float | None = None
) -> list[CostRead]:
"""Get cost reads.
If start_time is None, get cost reads since account activation,
otherwise since start_time - 30 days to allow corrections in data from utilities
We read at different resolutions depending on age:
- month resolution for all years (since account activation)
- day resolution for past 3 years (if account's read resolution supports it)
- hour resolution for past 2 months (if account's read resolution supports it)
"""
def _update_with_finer_cost_reads(
cost_reads: list[CostRead], finer_cost_reads: list[CostRead]
) -> None:
for i, cost_read in enumerate(cost_reads):
for j, finer_cost_read in enumerate(finer_cost_reads):
if cost_read.start_time == finer_cost_read.start_time:
cost_reads[i:] = finer_cost_reads[j:]
return
if cost_read.end_time == finer_cost_read.start_time:
cost_reads[i + 1 :] = finer_cost_reads[j:]
return
if cost_read.end_time < finer_cost_read.start_time:
break
cost_reads += finer_cost_reads
tz = await dt_util.async_get_time_zone(time_zone_str)
if start_time is None:
start = None
else:
start = datetime.fromtimestamp(start_time, tz=tz) - timedelta(days=30)
end = dt_util.now(tz)
_LOGGER.debug("Getting monthly cost reads: %s - %s", start, end)
try:
cost_reads = await self.api.async_get_cost_reads(
account, AggregateType.BILL, start, end
)
except ApiException as err:
_LOGGER.error("Error getting monthly cost reads: %s", err)
raise
_LOGGER.debug("Got %s monthly cost reads", len(cost_reads))
if account.read_resolution == ReadResolution.BILLING:
return cost_reads
if start_time is None:
start = end - timedelta(days=3 * 365)
else:
if cost_reads:
start = cost_reads[0].start_time
assert start
start = max(start, end - timedelta(days=3 * 365))
_LOGGER.debug("Getting daily cost reads: %s - %s", start, end)
try:
daily_cost_reads = await self.api.async_get_cost_reads(
account, AggregateType.DAY, start, end
)
except ApiException as err:
_LOGGER.error("Error getting daily cost reads: %s", err)
raise
_LOGGER.debug("Got %s daily cost reads", len(daily_cost_reads))
_update_with_finer_cost_reads(cost_reads, daily_cost_reads)
if account.read_resolution == ReadResolution.DAY:
return cost_reads
if start_time is None:
start = end - timedelta(days=2 * 30)
else:
assert start
start = max(start, end - timedelta(days=2 * 30))
_LOGGER.debug("Getting hourly cost reads: %s - %s", start, end)
try:
hourly_cost_reads = await self.api.async_get_cost_reads(
account, AggregateType.HOUR, start, end
)
except ApiException as err:
_LOGGER.error("Error getting hourly cost reads: %s", err)
raise
_LOGGER.debug("Got %s hourly cost reads", len(hourly_cost_reads))
_update_with_finer_cost_reads(cost_reads, hourly_cost_reads)
_LOGGER.debug("Got %s cost reads", len(cost_reads))
return cost_reads