airbnb/caravel

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# 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
from typing import Any, Optional

from flask_appbuilder.models.sqla import Model

from superset import db
from superset.commands.base import BaseCommand, UpdateMixin
from superset.commands.tag.exceptions import TagInvalidError, TagNotFoundError
from superset.commands.tag.utils import to_object_type
from superset.daos.tag import TagDAO
from superset.tags.models import Tag
from superset.utils.decorators import transaction

logger = logging.getLogger(__name__)


class UpdateTagCommand(UpdateMixin, BaseCommand):
    def __init__(self, model_id: int, data: dict[str, Any]):
        self._model_id = model_id
        self._properties = data.copy()
        self._model: Optional[Tag] = None

    @transaction()
    def run(self) -> Model:
        self.validate()
        assert self._model
        self._model.name = self._properties["name"]
        TagDAO.create_tag_relationship(
            objects_to_tag=self._properties.get("objects_to_tag", []),
            tag=self._model,
        )
        self._model.description = self._properties.get("description")
        db.session.add(self._model)

        return self._model

    def validate(self) -> None:
        exceptions = []
        # Validate/populate model exists
        self._model = TagDAO.find_by_id(self._model_id)
        if not self._model:
            raise TagNotFoundError()

        # Validate object_id
        if objects_to_tag := self._properties.get("objects_to_tag"):
            # Validate object type
            for obj_type, _ in objects_to_tag:
                object_type = to_object_type(obj_type)
                if not object_type:
                    exceptions.append(
                        TagInvalidError(f"invalid object type {object_type}")
                    )

        if exceptions:
            raise TagInvalidError(exceptions=exceptions)