superset/superset/dashboards/api.py

545 lines
18 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
from typing import Any, Dict
from flask import g, make_response, redirect, request, Response, url_for
from flask_appbuilder.api import expose, protect, rison, safe
from flask_appbuilder.models.sqla.interface import SQLAInterface
from flask_babel import ngettext
from marshmallow import ValidationError
from werkzeug.wrappers import Response as WerkzeugResponse
from werkzeug.wsgi import FileWrapper
from superset import is_feature_enabled, thumbnail_cache
from superset.constants import RouteMethod
from superset.dashboards.commands.bulk_delete import BulkDeleteDashboardCommand
from superset.dashboards.commands.create import CreateDashboardCommand
from superset.dashboards.commands.delete import DeleteDashboardCommand
from superset.dashboards.commands.exceptions import (
DashboardBulkDeleteFailedError,
DashboardCreateFailedError,
DashboardDeleteFailedError,
DashboardForbiddenError,
DashboardInvalidError,
DashboardNotFoundError,
DashboardUpdateFailedError,
)
from superset.dashboards.commands.update import UpdateDashboardCommand
from superset.dashboards.filters import DashboardFilter, DashboardTitleOrSlugFilter
from superset.dashboards.schemas import (
DashboardPostSchema,
DashboardPutSchema,
get_delete_ids_schema,
get_export_ids_schema,
openapi_spec_methods_override,
thumbnail_query_schema,
)
from superset.models.dashboard import Dashboard
from superset.tasks.thumbnails import cache_dashboard_thumbnail
from superset.utils.screenshots import DashboardScreenshot
from superset.utils.urls import get_url_path
from superset.views.base import generate_download_headers
from superset.views.base_api import (
BaseSupersetModelRestApi,
RelatedFieldFilter,
statsd_metrics,
)
from superset.views.filters import FilterRelatedOwners
logger = logging.getLogger(__name__)
class DashboardRestApi(BaseSupersetModelRestApi):
datamodel = SQLAInterface(Dashboard)
include_route_methods = RouteMethod.REST_MODEL_VIEW_CRUD_SET | {
RouteMethod.EXPORT,
RouteMethod.RELATED,
"bulk_delete", # not using RouteMethod since locally defined
}
resource_name = "dashboard"
allow_browser_login = True
class_permission_name = "DashboardModelView"
show_columns = [
"id",
"charts",
"css",
"dashboard_title",
"json_metadata",
"owners.id",
"owners.username",
"owners.first_name",
"owners.last_name",
"changed_by_name",
"changed_by_url",
"changed_by.username",
"changed_on",
"position_json",
"published",
"url",
"slug",
"table_names",
"thumbnail_url",
]
list_columns = [
"id",
"published",
"slug",
"url",
"css",
"position_json",
"json_metadata",
"thumbnail_url",
"changed_by.first_name",
"changed_by.last_name",
"changed_by.username",
"changed_by.id",
"changed_by_name",
"changed_by_url",
"changed_on_utc",
"changed_on_delta_humanized",
"dashboard_title",
"owners.id",
"owners.username",
"owners.first_name",
"owners.last_name",
]
list_select_columns = list_columns + ["changed_on"]
order_columns = [
"dashboard_title",
"changed_on_delta_humanized",
"published",
"changed_by_fk",
]
add_columns = [
"dashboard_title",
"slug",
"owners",
"position_json",
"css",
"json_metadata",
"published",
]
edit_columns = add_columns
search_columns = ("dashboard_title", "slug", "owners", "published")
search_filters = {"dashboard_title": [DashboardTitleOrSlugFilter]}
base_order = ("changed_on", "desc")
add_model_schema = DashboardPostSchema()
edit_model_schema = DashboardPutSchema()
base_filters = [["slice", DashboardFilter, lambda: []]]
order_rel_fields = {
"slices": ("slice_name", "asc"),
"owners": ("first_name", "asc"),
}
related_field_filters = {
"owners": RelatedFieldFilter("first_name", FilterRelatedOwners)
}
allowed_rel_fields = {"owners"}
openapi_spec_tag = "Dashboards"
apispec_parameter_schemas = {
"get_delete_ids_schema": get_delete_ids_schema,
"get_export_ids_schema": get_export_ids_schema,
"thumbnail_query_schema": thumbnail_query_schema,
}
openapi_spec_methods = openapi_spec_methods_override
""" Overrides GET methods OpenApi descriptions """
def __init__(self) -> None:
if is_feature_enabled("THUMBNAILS"):
self.include_route_methods = self.include_route_methods | {"thumbnail"}
super().__init__()
@expose("/", methods=["POST"])
@protect()
@safe
@statsd_metrics
def post(self) -> Response:
"""Creates a new Dashboard
---
post:
description: >-
Create a new Dashboard.
requestBody:
description: Dashboard schema
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/{{self.__class__.__name__}}.post'
responses:
201:
description: Dashboard added
content:
application/json:
schema:
type: object
properties:
id:
type: number
result:
$ref: '#/components/schemas/{{self.__class__.__name__}}.post'
302:
description: Redirects to the current digest
400:
$ref: '#/components/responses/400'
401:
$ref: '#/components/responses/401'
404:
$ref: '#/components/responses/404'
500:
$ref: '#/components/responses/500'
"""
if not request.is_json:
return self.response_400(message="Request is not JSON")
try:
item = self.add_model_schema.load(request.json)
# This validates custom Schema with custom validations
except ValidationError as error:
return self.response_400(message=error.messages)
try:
new_model = CreateDashboardCommand(g.user, item).run()
return self.response(201, id=new_model.id, result=item)
except DashboardInvalidError as ex:
return self.response_422(message=ex.normalized_messages())
except DashboardCreateFailedError as ex:
logger.error(
"Error creating model %s: %s", self.__class__.__name__, str(ex)
)
return self.response_422(message=str(ex))
@expose("/<pk>", methods=["PUT"])
@protect()
@safe
@statsd_metrics
def put( # pylint: disable=too-many-return-statements, arguments-differ
self, pk: int
) -> Response:
"""Changes a Dashboard
---
put:
description: >-
Changes a Dashboard.
parameters:
- in: path
schema:
type: integer
name: pk
requestBody:
description: Dashboard schema
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/{{self.__class__.__name__}}.put'
responses:
200:
description: Dashboard changed
content:
application/json:
schema:
type: object
properties:
id:
type: number
result:
$ref: '#/components/schemas/{{self.__class__.__name__}}.put'
400:
$ref: '#/components/responses/400'
401:
$ref: '#/components/responses/401'
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
if not request.is_json:
return self.response_400(message="Request is not JSON")
try:
item = self.edit_model_schema.load(request.json)
# This validates custom Schema with custom validations
except ValidationError as error:
return self.response_400(message=error.messages)
try:
changed_model = UpdateDashboardCommand(g.user, pk, item).run()
return self.response(200, id=changed_model.id, result=item)
except DashboardNotFoundError:
return self.response_404()
except DashboardForbiddenError:
return self.response_403()
except DashboardInvalidError as ex:
return self.response_422(message=ex.normalized_messages())
except DashboardUpdateFailedError as ex:
logger.error(
"Error updating model %s: %s", self.__class__.__name__, str(ex)
)
return self.response_422(message=str(ex))
@expose("/<pk>", methods=["DELETE"])
@protect()
@safe
@statsd_metrics
def delete(self, pk: int) -> Response: # pylint: disable=arguments-differ
"""Deletes a Dashboard
---
delete:
description: >-
Deletes a Dashboard.
parameters:
- in: path
schema:
type: integer
name: pk
responses:
200:
description: Dashboard deleted
content:
application/json:
schema:
type: object
properties:
message:
type: string
401:
$ref: '#/components/responses/401'
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
try:
DeleteDashboardCommand(g.user, pk).run()
return self.response(200, message="OK")
except DashboardNotFoundError:
return self.response_404()
except DashboardForbiddenError:
return self.response_403()
except DashboardDeleteFailedError as ex:
logger.error(
"Error deleting model %s: %s", self.__class__.__name__, str(ex)
)
return self.response_422(message=str(ex))
@expose("/", methods=["DELETE"])
@protect()
@safe
@statsd_metrics
@rison(get_delete_ids_schema)
def bulk_delete(
self, **kwargs: Any
) -> Response: # pylint: disable=arguments-differ
"""Delete bulk Dashboards
---
delete:
description: >-
Deletes multiple Dashboards in a bulk operation.
parameters:
- in: query
name: q
content:
application/json:
schema:
$ref: '#/components/schemas/get_delete_ids_schema'
responses:
200:
description: Dashboard bulk delete
content:
application/json:
schema:
type: object
properties:
message:
type: string
401:
$ref: '#/components/responses/401'
403:
$ref: '#/components/responses/403'
404:
$ref: '#/components/responses/404'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
item_ids = kwargs["rison"]
try:
BulkDeleteDashboardCommand(g.user, item_ids).run()
return self.response(
200,
message=ngettext(
"Deleted %(num)d dashboard",
"Deleted %(num)d dashboards",
num=len(item_ids),
),
)
except DashboardNotFoundError:
return self.response_404()
except DashboardForbiddenError:
return self.response_403()
except DashboardBulkDeleteFailedError as ex:
return self.response_422(message=str(ex))
@expose("/export/", methods=["GET"])
@protect()
@safe
@statsd_metrics
@rison(get_export_ids_schema)
def export(self, **kwargs: Any) -> Response:
"""Export dashboards
---
get:
description: >-
Exports multiple Dashboards and downloads them as YAML files.
parameters:
- in: query
name: q
content:
application/json:
schema:
$ref: '#/components/schemas/get_export_ids_schema'
responses:
200:
description: Dashboard export
content:
text/plain:
schema:
type: string
400:
$ref: '#/components/responses/400'
401:
$ref: '#/components/responses/401'
404:
$ref: '#/components/responses/404'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
query = self.datamodel.session.query(Dashboard).filter(
Dashboard.id.in_(kwargs["rison"])
)
query = self._base_filters.apply_all(query)
ids = [item.id for item in query.all()]
if not ids:
return self.response_404()
export = Dashboard.export_dashboards(ids)
resp = make_response(export, 200)
resp.headers["Content-Disposition"] = generate_download_headers("json")[
"Content-Disposition"
]
return resp
@expose("/<pk>/thumbnail/<digest>/", methods=["GET"])
@protect()
@safe
@rison(thumbnail_query_schema)
def thumbnail(
self, pk: int, digest: str, **kwargs: Dict[str, bool]
) -> WerkzeugResponse:
"""Get Dashboard thumbnail
---
get:
description: >-
Compute async or get already computed dashboard thumbnail from cache.
parameters:
- in: path
schema:
type: integer
name: pk
- in: path
name: digest
description: A hex digest that makes this dashboard unique
schema:
type: string
- in: query
name: q
content:
application/json:
schema:
$ref: '#/components/schemas/thumbnail_query_schema'
responses:
200:
description: Dashboard thumbnail image
content:
image/*:
schema:
type: string
format: binary
202:
description: Thumbnail does not exist on cache, fired async to compute
content:
application/json:
schema:
type: object
properties:
message:
type: string
401:
$ref: '#/components/responses/401'
404:
$ref: '#/components/responses/404'
422:
$ref: '#/components/responses/422'
500:
$ref: '#/components/responses/500'
"""
dashboard = self.datamodel.get(pk, self._base_filters)
if not dashboard:
return self.response_404()
dashboard_url = get_url_path(
"Superset.dashboard", dashboard_id_or_slug=dashboard.id
)
# If force, request a screenshot from the workers
if kwargs["rison"].get("force", False):
cache_dashboard_thumbnail.delay(dashboard_url, dashboard.digest, force=True)
return self.response(202, message="OK Async")
# fetch the dashboard screenshot using the current user and cache if set
screenshot = DashboardScreenshot(
dashboard_url, dashboard.digest
).get_from_cache(cache=thumbnail_cache)
# If the screenshot does not exist, request one from the workers
if not screenshot:
cache_dashboard_thumbnail.delay(dashboard_url, dashboard.digest, force=True)
return self.response(202, message="OK Async")
# If digests
if dashboard.digest != digest:
return redirect(
url_for(
f"{self.__class__.__name__}.thumbnail",
pk=pk,
digest=dashboard.digest,
)
)
return Response(
FileWrapper(screenshot), mimetype="image/png", direct_passthrough=True
)