feat(alerts/reports): add refresh action

superset-frontend/src/components/LastUpdated/LastUpdated.test.tsx

@@ -0,0 +1,43 @@
+/**
+ * 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 React from 'react';
+import { ReactWrapper } from 'enzyme';
+import { styledMount as mount } from 'spec/helpers/theming';
+import LastUpdated from '.';
+
+describe('LastUpdated', () => {
+  let wrapper: ReactWrapper;
+  const updatedAt = new Date('Sat Dec 12 2020 00:00:00 GMT-0800');
+
+  it('renders the base component (no refresh)', () => {
+    const wrapper = mount(<LastUpdated updatedAt={updatedAt} />);
+    expect(/^Last Updated .+$/.test(wrapper.text())).toBe(true);
+  });
+
+  it('renders a refresh action', () => {
+    const mockAction = jest.fn();
+    wrapper = mount(<LastUpdated updatedAt={updatedAt} update={mockAction} />);
+    const props = wrapper.find('[data-test="refresh"]').props();
+    if (props.onClick) {
+      props.onClick({} as React.MouseEvent);
+    }
+    expect(mockAction).toHaveBeenCalled();
+  });
+});

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

@@ -0,0 +1,80 @@
+/**
+ * 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 React, { useEffect, useState, FunctionComponent } from 'react';
+import moment, { Moment, MomentInput } from 'moment';
+import { t, styled } from '@superset-ui/core';
+import Icon from 'src/components/Icon';
+
+const REFRESH_INTERVAL = 60000; // every minute
+
+interface LastUpdatedProps {
+  updatedAt: MomentInput;
+  update?: React.MouseEventHandler<SVGSVGElement>;
+}
+moment.updateLocale('en', {
+  calendar: {
+    lastDay: '[Yesterday at] LTS',
+    sameDay: '[Today at] LTS',
+    nextDay: '[Tomorrow at] LTS',
+    lastWeek: '[last] dddd [at] LTS',
+    nextWeek: 'dddd [at] LTS',
+    sameElse: 'L',
+  },
+});
+
+const TextStyles = styled.span`
+  color: ${({ theme }) => theme.colors.grayscale.base};
+`;
+
+const Refresh = styled(Icon)`
+  color: ${({ theme }) => theme.colors.primary.base};
+  width: auto;
+  height: ${({ theme }) => theme.gridUnit * 5}px;
+  position: relative;
+  top: ${({ theme }) => theme.gridUnit}px;
+  left: ${({ theme }) => theme.gridUnit}px;
+  cursor: pointer;
+`;
+
+export const LastUpdated: FunctionComponent<LastUpdatedProps> = ({
+  updatedAt,
+  update,
+}) => {
+  const [timeSince, setTimeSince] = useState<Moment>(moment(updatedAt));
+
+  useEffect(() => {
+    setTimeSince(() => moment(updatedAt));
+
+    // update UI every minute in case day changes
+    const interval = setInterval(() => {
+      setTimeSince(() => moment(updatedAt));
+    }, REFRESH_INTERVAL);
+
+    return () => clearInterval(interval);
+  }, [updatedAt]);
+
+  return (
+    <TextStyles>
+      {t('Last Updated %s', timeSince.isValid() ? timeSince.calendar() : '--')}
+      {update && <Refresh name="refresh" onClick={update} />}
+    </TextStyles>
+  );
+};
+
+export default LastUpdated;

superset-frontend/src/components/Menu/SubMenu.tsx

@@ -24,8 +24,9 @@ import { Nav, Navbar } from 'react-bootstrap';
 import Button, { OnClickHandler } from 'src/components/Button';
 
 const StyledHeader = styled.header`
+  margin-bottom: ${({ theme }) => theme.gridUnit * 4}px;
   .navbar {
-    margin-bottom: ${({ theme }) => theme.gridUnit * 4}px;
+    margin-bottom: 0;
   }
   .navbar-header .navbar-brand {
     font-weight: ${({ theme }) => theme.typography.weights.bold};
@@ -108,7 +109,6 @@ export interface SubMenuProps {
   buttons?: Array<ButtonProps>;
   name?: string | ReactNode;
   tabs?: MenuChild[];
-  children?: MenuChild[];
   activeChild?: MenuChild['name'];
   /* If usesRouter is true, a react-router <Link> component will be used instead of href.
    *  ONLY set usesRouter to true if SubMenu is wrapped in a react-router <Router>;
@@ -174,6 +174,7 @@ const SubMenu: React.FunctionComponent<SubMenuProps> = props => {
           ))}
         </Nav>
       </Navbar>
+      {props.children}
     </StyledHeader>
   );
 };

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

@@ -19,7 +19,7 @@
 
 import React, { useState, useMemo, useEffect } from 'react';
 import { useHistory } from 'react-router-dom';
-import { t, SupersetClient, makeApi } from '@superset-ui/core';
+import { t, SupersetClient, makeApi, styled } from '@superset-ui/core';
 import ActionsBar, { ActionProps } from 'src/components/ListView/ActionsBar';
 import Button from 'src/components/Button';
 import FacePile from 'src/components/FacePile';
@@ -37,6 +37,8 @@ import AlertStatusIcon from 'src/views/CRUD/alert/components/AlertStatusIcon';
 import RecipientIcon from 'src/views/CRUD/alert/components/RecipientIcon';
 import ConfirmStatusChange from 'src/components/ConfirmStatusChange';
 import DeleteModal from 'src/components/DeleteModal';
+import LastUpdated from 'src/components/LastUpdated';
+
 import {
   useListViewResource,
   useSingleViewResource,
@@ -61,6 +63,13 @@ const deleteAlerts = makeApi<number[], { message: string }>({
   endpoint: '/api/v1/report/',
 });
 
+const RefreshContainer = styled.div`
+  width: 100%;
+  padding: 0 ${({ theme }) => theme.gridUnit * 4}px
+    ${({ theme }) => theme.gridUnit * 3}px;
+  background-color: ${({ theme }) => theme.colors.grayscale.light5};
+`;
+
 function AlertList({
   addDangerToast,
   isReportEnabled = false,
@@ -86,6 +95,7 @@ function AlertList({
       resourceCount: alertsCount,
       resourceCollection: alerts,
       bulkSelectEnabled,
+      lastFetched,
     },
     hasPerm,
     fetchData,
@@ -397,7 +407,11 @@ function AlertList({
           },
         ]}
         buttons={subMenuButtons}
-      />
+      >
+        <RefreshContainer>
+          <LastUpdated updatedAt={lastFetched} update={() => refreshData()} />
+        </RefreshContainer>
+      </SubMenu>
       <AlertReportModal
         alert={currentAlert}
         addDangerToast={addDangerToast}

superset-frontend/src/views/CRUD/hooks.ts

@@ -35,6 +35,7 @@ interface ListViewResourceState<D extends object = any> {
   permissions: string[];
   lastFetchDataConfig: FetchDataConfig | null;
   bulkSelectEnabled: boolean;
+  lastFetched?: string;
 }
 
 export function useListViewResource<D extends object = any>(
@@ -43,7 +44,7 @@ export function useListViewResource<D extends object = any>(
   handleErrorMsg: (errorMsg: string) => void,
   infoEnable = true,
   defaultCollectionValue: D[] = [],
-  baseFilters: FilterValue[] = [], // must be memoized
+  baseFilters?: FilterValue[], // must be memoized
 ) {
   const [state, setState] = useState<ListViewResourceState<D>>({
     count: 0,
@@ -112,7 +113,7 @@ export function useListViewResource<D extends object = any>(
         loading: true,
       });
 
-      const filterExps = baseFilters
+      const filterExps = (baseFilters || [])
         .concat(filterValues)
         .map(({ id: col, operator: opr, value }) => ({
           col,
@@ -136,6 +137,7 @@ export function useListViewResource<D extends object = any>(
             updateState({
               collection: json.result,
               count: json.count,
+              lastFetched: new Date().toISOString(),
             });
           },
           createErrorHandler(errMsg =>
@@ -152,7 +154,7 @@ export function useListViewResource<D extends object = any>(
           updateState({ loading: false });
         });
     },
-    [baseFilters.length ? baseFilters : null],
+    [baseFilters],
   );
 
   return {
@@ -161,6 +163,7 @@ export function useListViewResource<D extends object = any>(
       resourceCount: state.count,
       resourceCollection: state.collection,
       bulkSelectEnabled: state.bulkSelectEnabled,
+      lastFetched: state.lastFetched,
     },
     setResourceCollection: (update: D[]) =>
       updateState({