feat: add force option to report screenshots (#17853)

* Update existing tests

* Add backend test

* feat: add force option to report screenshots

* Add tests

* Rebase fixes

* Do not force screenshot on dashboard alerts

superset-frontend/src/components/ReportModal/index.tsx

@@ -71,6 +71,7 @@ export interface ReportObject {
   validator_type: string;
   working_timeout: number;
   creation_method: string;
+  force_screenshot: boolean;
 }
 
 interface ChartObject {
@@ -227,6 +228,7 @@ const ReportModal: FunctionComponent<ReportProps> = ({
       active: true,
       report_format: currentReport?.report_format || defaultNotificationFormat,
       timezone: currentReport?.timezone,
+      force_screenshot: false,
     };
 
     if (isEditMode) {

superset-frontend/src/views/CRUD/alert/AlertReportModal.tsx

@@ -154,6 +154,7 @@ const DEFAULT_ALERT = {
   sql: '',
   validator_config_json: {},
   validator_type: '',
+  force_screenshot: false,
   grace_period: undefined,
 };
 
@@ -512,6 +513,7 @@ const AlertReportModal: FunctionComponent<AlertReportModalProps> = ({
     const data: any = {
       ...currentAlert,
       type: isReport ? 'Report' : 'Alert',
+      force_screenshot: contentType === 'chart' && !isReport ? 'true' : 'false',
       validator_type: conditionNotNull ? 'not null' : 'operator',
       validator_config_json: conditionNotNull
         ? {}

superset/migrations/versions/bb38f40aa3ff_add_force_screenshot_to_alerts_reports.py

@@ -0,0 +1,64 @@
+# 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.
+"""Add force_screenshot to alerts/reports
+
+Revision ID: bb38f40aa3ff
+Revises: 31bb738bd1d2
+Create Date: 2021-12-10 19:25:29.802949
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "bb38f40aa3ff"
+down_revision = "31bb738bd1d2"
+
+import sqlalchemy as sa
+from alembic import op
+from sqlalchemy.ext.declarative import declarative_base
+
+from superset import db
+
+Base = declarative_base()
+
+
+class ReportSchedule(Base):
+    __tablename__ = "report_schedule"
+
+    id = sa.Column(sa.Integer, primary_key=True)
+    type = sa.Column(sa.String(50), nullable=False)
+    force_screenshot = sa.Column(sa.Boolean, default=False)
+
+
+def upgrade():
+    with op.batch_alter_table("report_schedule") as batch_op:
+        batch_op.add_column(sa.Column("force_screenshot", sa.Boolean(), default=False))
+
+    bind = op.get_bind()
+    session = db.Session(bind=bind)
+
+    for report in session.query(ReportSchedule).all():
+        # Update existing alerts that send chart screenshots so that the cache is
+        # bypassed. We don't turn this one for dashboards because (1) it's currently
+        # not supported but also because (2) it can be very expensive.
+        report.force_screenshot = report.type == "Alert" and report.chart_id is not None
+
+    session.commit()
+
+
+def downgrade():
+    with op.batch_alter_table("report_schedule") as batch_op:
+        batch_op.drop_column("force_screenshot")

superset/models/reports.py

@@ -148,6 +148,9 @@ class ReportSchedule(Model, AuditMixinNullable):
     # Store the selected dashboard tabs etc.
     extra = Column(Text, default="{}")
 
+    # (Reports) When generating a screenshot, bypass the cache?
+    force_screenshot = Column(Boolean, default=False)
+
     def __repr__(self) -> str:
         return str(self.name)
 

superset/reports/commands/execute.py

@@ -148,13 +148,7 @@ def _get_url(
         """
         # For alerts we always want to send a fresh screenshot, bypassing
         # the cache.
-        # TODO (betodealmeida): allow to specify per report if users want
-        # to bypass the cache as well.
-        force = (
-            "true"
-            if self._report_schedule.type == ReportScheduleType.ALERT
-            else "false"
-        )
+        force = "true" if self._report_schedule.force_screenshot else "false"
 
         if self._report_schedule.chart:
             if result_format in {
@@ -181,7 +175,7 @@ def _get_url(
             user_friendly=user_friendly,
             dashboard_id_or_slug=self._report_schedule.dashboard_id,
             standalone=DashboardStandaloneMode.REPORT.value,
-            force=force,
+            # force=force,  TODO (betodealmeida) implement this
             **kwargs,
         )
 

superset/reports/schemas.py

@@ -202,6 +202,7 @@ class ReportSchedulePostSchema(Schema):
         default=ReportDataFormat.VISUALIZATION,
         validate=validate.OneOf(choices=tuple(key.value for key in ReportDataFormat)),
     )
+    force_screenshot = fields.Boolean(default=False)
 
     @validates_schema
     def validate_report_references(  # pylint: disable=unused-argument,no-self-use
@@ -292,3 +293,4 @@ class ReportSchedulePutSchema(Schema):
         default=ReportDataFormat.VISUALIZATION,
         validate=validate.OneOf(choices=tuple(key.value for key in ReportDataFormat)),
     )
+    force_screenshot = fields.Boolean(default=False)

tests/integration_tests/reports/commands_tests.py

@@ -135,6 +135,7 @@ def create_report_notification(
     grace_period: Optional[int] = None,
     report_format: Optional[ReportDataFormat] = None,
     name: Optional[str] = None,
+    force_screenshot: bool = False,
 ) -> ReportSchedule:
     report_type = report_type or ReportScheduleType.REPORT
     target = email_target or slack_channel
@@ -174,6 +175,7 @@ def create_report_notification(
         validator_config_json=validator_config_json,
         grace_period=grace_period,
         report_format=report_format or ReportDataFormat.VISUALIZATION,
+        force_screenshot=force_screenshot,
     )
     return report_schedule
 
@@ -218,6 +220,18 @@ def create_report_email_chart():
         cleanup_report_schedule(report_schedule)
 
 
+@pytest.fixture()
+def create_report_email_chart_force_screenshot():
+    with app.app_context():
+        chart = db.session.query(Slice).first()
+        report_schedule = create_report_notification(
+            email_target="[email protected]", chart=chart, force_screenshot=True
+        )
+        yield report_schedule
+
+        cleanup_report_schedule(report_schedule)
+
+
 @pytest.fixture()
 def create_report_email_chart_with_csv():
     with app.app_context():
@@ -480,6 +494,7 @@ def create_alert_email_chart(request):
                 validator_config_json=param_config[request.param][
                     "validator_config_json"
                 ],
+                force_screenshot=True,
             )
             yield report_schedule
 
@@ -678,6 +693,49 @@ def test_email_chart_report_schedule(
         assert_log(ReportState.SUCCESS)
 
 
+@pytest.mark.usefixtures(
+    "load_birth_names_dashboard_with_slices",
+    "create_report_email_chart_force_screenshot",
+)
+@patch("superset.reports.notifications.email.send_email_smtp")
+@patch("superset.utils.screenshots.ChartScreenshot.get_screenshot")
+def test_email_chart_report_schedule_force_screenshot(
+    screenshot_mock, email_mock, create_report_email_chart_force_screenshot,
+):
+    """
+    ExecuteReport Command: Test chart email report schedule with screenshot
+
+    In this test ``force_screenshot`` is true, and the screenshot URL should
+    reflect that.
+    """
+    # setup screenshot mock
+    screenshot_mock.return_value = SCREENSHOT_FILE
+
+    with freeze_time("2020-01-01T00:00:00Z"):
+        AsyncExecuteReportScheduleCommand(
+            TEST_ID, create_report_email_chart_force_screenshot.id, datetime.utcnow()
+        ).run()
+
+        notification_targets = get_target_from_report_schedule(
+            create_report_email_chart_force_screenshot
+        )
+        # assert that the link sent is correct
+        assert (
+            '<a href="http://0.0.0.0:8080/superset/explore/?'
+            "form_data=%7B%22slice_id%22%3A+"
+            f"{create_report_email_chart_force_screenshot.chart.id}%7D&"
+            'standalone=true&force=true">Explore in Superset</a>'
+            in email_mock.call_args[0][2]
+        )
+        # Assert the email smtp address
+        assert email_mock.call_args[0][0] == notification_targets[0]
+        # Assert the email inline screenshot
+        smtp_images = email_mock.call_args[1]["images"]
+        assert smtp_images[list(smtp_images.keys())[0]] == SCREENSHOT_FILE
+        # Assert logs are correct
+        assert_log(ReportState.SUCCESS)
+
+
 @pytest.mark.usefixtures(
     "load_birth_names_dashboard_with_slices", "create_alert_email_chart"
 )

tests/integration_tests/reports/utils.py

@@ -51,6 +51,7 @@ def insert_report_schedule(
     recipients: Optional[List[ReportRecipients]] = None,
     report_format: Optional[ReportDataFormat] = None,
     logs: Optional[List[ReportExecutionLog]] = None,
+    force_screenshot: bool = False,
 ) -> ReportSchedule:
     owners = owners or []
     recipients = recipients or []
@@ -75,6 +76,7 @@ def insert_report_schedule(
         logs=logs,
         last_state=last_state,
         report_format=report_format,
+        force_screenshot=force_screenshot,
     )
     db.session.add(report_schedule)
     db.session.commit()