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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
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import logging
from datetime import datetime, timedelta
from functools import partial

from flask import current_app as app
from sqlalchemy.exc import SQLAlchemyError

from superset.commands.distributed_lock.base import BaseDistributedLockCommand
from superset.daos.key_value import KeyValueDAO
from superset.exceptions import CreateKeyValueDistributedLockFailedException
from superset.key_value.exceptions import (
    KeyValueCodecEncodeException,
    KeyValueUpsertFailedError,
)
from superset.key_value.types import KeyValueResource
from superset.utils.decorators import on_error, transaction

logger = logging.getLogger(__name__)
stats_logger = app.config["STATS_LOGGER"]


class CreateDistributedLock(BaseDistributedLockCommand):
    lock_expiration = timedelta(seconds=30)

    def validate(self) -> None:
        pass

    @transaction(
        on_error=partial(
            on_error,
            catches=(
                KeyValueCodecEncodeException,
                KeyValueUpsertFailedError,
                SQLAlchemyError,
            ),
            reraise=CreateKeyValueDistributedLockFailedException,
        ),
    )
    def run(self) -> None:
        KeyValueDAO.delete_expired_entries(self.resource)
        KeyValueDAO.create_entry(
            resource=KeyValueResource.LOCK,
            value={"value": True},
            codec=self.codec,
            key=self.key,
            expires_on=datetime.now() + self.lock_expiration,
        )