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* 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 { IconNames } from '@blueprintjs/icons';
import axios from 'axios';
import React from 'react';
import { StatusDialog } from '../../../dialogs/status-dialog/status-dialog';
import { pluralIfNeeded, QueryManager } from '../../../utils';
import { HomeViewCard } from '../home-view-card/home-view-card';
export interface StatusCardProps {}
export interface StatusCardState {
statusLoading: boolean;
version?: string;
extensionCount?: number;
statusError?: string;
showStatusDialog: boolean;
}
interface StatusSummary {
version: string;
extensionCount: number;
}
export class StatusCard extends React.PureComponent<StatusCardProps, StatusCardState> {
private versionQueryManager: QueryManager<null, StatusSummary>;
constructor(props: StatusCardProps, context: any) {
super(props, context);
this.state = {
statusLoading: true,
showStatusDialog: false,
};
this.versionQueryManager = new QueryManager({
processQuery: async () => {
const statusResp = await axios.get('/status');
return {
version: statusResp.data.version,
extensionCount: statusResp.data.modules.length,
};
},
onStateChange: ({ result, loading, error }) => {
this.setState({
statusLoading: loading,
version: result ? result.version : undefined,
extensionCount: result ? result.extensionCount : undefined,
statusError: error,
});
},
});
}
componentDidMount(): void {
this.versionQueryManager.runQuery(null);
}
componentWillUnmount(): void {
this.versionQueryManager.terminate();
}
private handleStatusDialogOpen = () => {
this.setState({ showStatusDialog: true });
};
private handleStatusDialogClose = () => {
this.setState({ showStatusDialog: false });
};
renderStatusDialog() {
const { showStatusDialog } = this.state;
Eif (!showStatusDialog) return;
return <StatusDialog onClose={this.handleStatusDialogClose} />;
}
render(): JSX.Element {
const { version, extensionCount, statusLoading, statusError } = this.state;
return (
<>
<HomeViewCard
className="status-card"
onClick={this.handleStatusDialogOpen}
icon={IconNames.GRAPH}
title="Status"
loading={statusLoading}
error={statusError}
>
{version && <p>{`Apache Druid is running version ${version}`}</p>}
{extensionCount && <p>{`${pluralIfNeeded(extensionCount, 'extension')} loaded`}</p>}
</HomeViewCard>
{this.renderStatusDialog()}
</>
);
}
}
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