superset/superset/key_value/commands/create.py

86 lines
2.8 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import logging
import pickle
from datetime import datetime
from typing import Any, Optional
from flask_appbuilder.security.sqla.models import User
from sqlalchemy.exc import SQLAlchemyError
from superset import db
from superset.commands.base import BaseCommand
from superset.key_value.exceptions import KeyValueCreateFailedError
from superset.key_value.models import KeyValueEntry
from superset.key_value.types import KeyType
from superset.key_value.utils import extract_key
logger = logging.getLogger(__name__)
class CreateKeyValueCommand(BaseCommand):
actor: User
resource: str
value: Any
key_type: KeyType
expires_on: Optional[datetime]
def __init__(
self,
actor: User,
resource: str,
value: Any,
key_type: KeyType,
expires_on: Optional[datetime] = None,
):
"""
Create a new key-value pair
:param resource: the resource (dashboard, chart etc)
:param value: the value to persist in the key-value store
:param key_type: the type of the key to return
:param expires_on: entry expiration time
:return: the key associated with the persisted value
"""
self.resource = resource
self.actor = actor
self.value = value
self.key_type = key_type
self.expires_on = expires_on
def run(self) -> str:
try:
return self.create()
except SQLAlchemyError as ex:
logger.exception("Error running create command")
raise KeyValueCreateFailedError() from ex
def validate(self) -> None:
pass
def create(self) -> str:
entry = KeyValueEntry(
resource=self.resource,
value=pickle.dumps(self.value),
created_on=datetime.now(),
created_by_fk=None if self.actor.is_anonymous else self.actor.id,
expires_on=self.expires_on,
)
db.session.add(entry)
db.session.commit()
return extract_key(entry, self.key_type)