superset/superset/views/schedules.py

296 lines
8.9 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.
# pylint: disable=C,R,W
import enum
from typing import Optional, Type
import simplejson as json
from croniter import croniter
from flask import flash, g
from flask_appbuilder import expose
from flask_appbuilder.models.sqla.interface import SQLAInterface
from flask_appbuilder.security.decorators import has_access
from flask_babel import gettext as __, lazy_gettext as _
from wtforms import BooleanField, StringField
from superset import app, appbuilder, db, security_manager
from superset.exceptions import SupersetException
from superset.models.core import Dashboard, Slice
from superset.models.schedules import (
DashboardEmailSchedule,
ScheduleType,
SliceEmailSchedule,
)
from superset.tasks.schedules import schedule_email_report
from superset.utils.core import get_email_address_list, json_iso_dttm_ser
from superset.views.core import json_success
from .base import DeleteMixin, SupersetModelView
class EmailScheduleView(SupersetModelView, DeleteMixin):
_extra_data = {"test_email": False, "test_email_recipients": None}
schedule_type: Optional[Type] = None
schedule_type_model: Optional[Type] = None
page_size = 20
add_exclude_columns = [
"user",
"created_on",
"changed_on",
"created_by",
"changed_by",
]
edit_exclude_columns = add_exclude_columns
description_columns = {
"deliver_as_group": "If enabled, send a single email to all "
"recipients (in email/To: field)",
"crontab": "Unix style crontab schedule to deliver emails. "
"Changes to schedules reflect in one hour.",
"delivery_type": "Indicates how the rendered content is delivered",
}
add_form_extra_fields = {
"test_email": BooleanField(
"Send Test Email",
default=False,
description="If enabled, we send a test mail on create / update",
),
"test_email_recipients": StringField(
"Test Email Recipients",
default=None,
description="List of recipients to send test email to. "
"If empty, we send it to the original recipients",
),
}
edit_form_extra_fields = add_form_extra_fields
def process_form(self, form, is_created):
if form.test_email_recipients.data:
test_email_recipients = form.test_email_recipients.data.strip()
else:
test_email_recipients = None
self._extra_data["test_email"] = form.test_email.data
self._extra_data["test_email_recipients"] = test_email_recipients
def pre_add(self, obj):
try:
recipients = get_email_address_list(obj.recipients)
obj.recipients = ", ".join(recipients)
except Exception:
raise SupersetException("Invalid email list")
obj.user = obj.user or g.user
if not croniter.is_valid(obj.crontab):
raise SupersetException("Invalid crontab format")
def pre_update(self, obj):
self.pre_add(obj)
def post_add(self, obj):
# Schedule a test mail if the user requested for it.
if self._extra_data["test_email"]:
recipients = self._extra_data["test_email_recipients"] or obj.recipients
args = (self.schedule_type, obj.id)
kwargs = dict(recipients=recipients)
schedule_email_report.apply_async(args=args, kwargs=kwargs)
# Notify the user that schedule changes will be activate only in the
# next hour
if obj.active:
flash("Schedule changes will get applied in one hour", "warning")
def post_update(self, obj):
self.post_add(obj)
@has_access
@expose("/fetch/<int:item_id>/", methods=["GET"])
def fetch_schedules(self, item_id):
query = db.session.query(self.datamodel.obj)
query = query.join(self.schedule_type_model).filter(
self.schedule_type_model.id == item_id
)
schedules = []
for schedule in query.all():
info = {"schedule": schedule.id}
for col in self.list_columns + self.add_exclude_columns:
info[col] = getattr(schedule, col)
if isinstance(info[col], enum.Enum):
info[col] = info[col].name
elif isinstance(info[col], security_manager.user_model):
info[col] = info[col].username
info["user"] = schedule.user.username
info[self.schedule_type] = getattr(schedule, self.schedule_type).id
schedules.append(info)
return json_success(json.dumps(schedules, default=json_iso_dttm_ser))
class DashboardEmailScheduleView(EmailScheduleView):
schedule_type = ScheduleType.dashboard.value
schedule_type_model = Dashboard
add_title = _("Schedule Email Reports for Dashboards")
edit_title = add_title
list_title = _("Manage Email Reports for Dashboards")
datamodel = SQLAInterface(DashboardEmailSchedule)
order_columns = ["user", "dashboard", "created_on"]
list_columns = [
"dashboard",
"active",
"crontab",
"user",
"deliver_as_group",
"delivery_type",
]
add_columns = [
"dashboard",
"active",
"crontab",
"recipients",
"deliver_as_group",
"delivery_type",
"test_email",
"test_email_recipients",
]
edit_columns = add_columns
search_columns = [
"dashboard",
"active",
"user",
"deliver_as_group",
"delivery_type",
]
label_columns = {
"dashboard": _("Dashboard"),
"created_on": _("Created On"),
"changed_on": _("Changed On"),
"user": _("User"),
"active": _("Active"),
"crontab": _("Crontab"),
"recipients": _("Recipients"),
"deliver_as_group": _("Deliver As Group"),
"delivery_type": _("Delivery Type"),
}
def pre_add(self, obj):
if obj.dashboard is None:
raise SupersetException("Dashboard is mandatory")
super(DashboardEmailScheduleView, self).pre_add(obj)
class SliceEmailScheduleView(EmailScheduleView):
schedule_type = ScheduleType.slice.value
schedule_type_model = Slice
add_title = _("Schedule Email Reports for Charts")
edit_title = add_title
list_title = _("Manage Email Reports for Charts")
datamodel = SQLAInterface(SliceEmailSchedule)
order_columns = ["user", "slice", "created_on"]
list_columns = [
"slice",
"active",
"crontab",
"user",
"deliver_as_group",
"delivery_type",
"email_format",
]
add_columns = [
"slice",
"active",
"crontab",
"recipients",
"deliver_as_group",
"delivery_type",
"email_format",
"test_email",
"test_email_recipients",
]
edit_columns = add_columns
search_columns = [
"slice",
"active",
"user",
"deliver_as_group",
"delivery_type",
"email_format",
]
label_columns = {
"slice": _("Chart"),
"created_on": _("Created On"),
"changed_on": _("Changed On"),
"user": _("User"),
"active": _("Active"),
"crontab": _("Crontab"),
"recipients": _("Recipients"),
"deliver_as_group": _("Deliver As Group"),
"delivery_type": _("Delivery Type"),
"email_format": _("Email Format"),
}
def pre_add(self, obj):
if obj.slice is None:
raise SupersetException("Slice is mandatory")
super(SliceEmailScheduleView, self).pre_add(obj)
def _register_schedule_menus():
appbuilder.add_separator("Manage")
appbuilder.add_view(
DashboardEmailScheduleView,
"Dashboard Email Schedules",
label=__("Dashboard Emails"),
category="Manage",
category_label=__("Manage"),
icon="fa-search",
)
appbuilder.add_view(
SliceEmailScheduleView,
"Chart Emails",
label=__("Chart Email Schedules"),
category="Manage",
category_label=__("Manage"),
icon="fa-search",
)
if app.config["ENABLE_SCHEDULED_EMAIL_REPORTS"]:
_register_schedule_menus()