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import * as _ from 'lodash';
import CircularProgress from 'material-ui/CircularProgress';
import { Table, TableBody, TableHeader, TableHeaderColumn, TableRow, TableRowColumn } from 'material-ui/Table';
import * as React from 'react';
import { Retry } from 'ts/components/ui/retry';
import { Text } from 'ts/components/ui/text';
import { HeaderItem } from 'ts/pages/jobs/list/header_item';
import { ListItem } from 'ts/pages/jobs/list/list_item';
import { colors } from 'ts/style/colors';
import { styled } from 'ts/style/theme';
import { ScreenWidths, WebsiteBackendJobInfo } from 'ts/types';
import { backendClient } from 'ts/utils/backend_client';
import { utils } from 'ts/utils/utils';
const labelStyle = { fontFamily: 'Roboto Mono', fontSize: 18 };
const HEADER_TEXT = 'Open Positions';
const TABLE_ROW_MIN_HEIGHT = 100;
export interface OpenPositionsProps {
hash: string;
screenWidth: ScreenWidths;
}
export interface OpenPositionsState {
jobInfos?: WebsiteBackendJobInfo[];
error?: Error;
}
export class OpenPositions extends React.Component<OpenPositionsProps, OpenPositionsState> {
private _isUnmounted: boolean;
constructor(props: OpenPositionsProps) {
super(props);
this._isUnmounted = false;
this.state = {
jobInfos: undefined,
error: undefined,
};
}
public componentWillMount(): void {
// tslint:disable-next-line:no-floating-promises
this._fetchJobInfosAsync();
}
public componentWillUnmount(): void {
this._isUnmounted = true;
}
public render(): React.ReactNode {
const isReadyToRender = _.isUndefined(this.state.error) && !_.isUndefined(this.state.jobInfos);
return (
<div id={this.props.hash} className="mx-auto max-width-4">
{isReadyToRender ? this._renderBody() : this._renderLoading()}
</div>
);
}
private _renderBody(): React.ReactNode {
const isSmallScreen = this.props.screenWidth === ScreenWidths.Sm;
return isSmallScreen ? this._renderList() : this._renderTable();
}
private _renderLoading(): React.ReactNode {
return (
// TODO: consolidate this loading component with the one in portal and RelayerIndex
// TODO: possibly refactor into a generic loading container with spinner and retry UI
<div className="center">
{_.isUndefined(this.state.error) ? (
<CircularProgress size={40} thickness={5} />
) : (
<Retry onRetry={this._fetchJobInfosAsync.bind(this)} />
)}
</div>
);
}
private _renderList(): React.ReactNode {
return (
<div style={{ backgroundColor: colors.jobsPageBackground }}>
<HeaderItem headerText={HEADER_TEXT} />
{_.map(this.state.jobInfos, jobInfo => (
<JobInfoListItem
key={jobInfo.id}
title={jobInfo.title}
description={jobInfo.department}
onClick={this._openJobInfoUrl.bind(this, jobInfo)}
/>
))}
</div>
);
}
private _renderTable(): React.ReactNode {
return (
<div>
<HeaderItem headerText={HEADER_TEXT} />
<Table selectable={false} onCellClick={this._onCellClick.bind(this)}>
<TableHeader displaySelectAll={false} adjustForCheckbox={false}>
<TableRow>
<TableHeaderColumn colSpan={5} style={labelStyle}>
Position
</TableHeaderColumn>
<TableHeaderColumn colSpan={3} style={labelStyle}>
Department
</TableHeaderColumn>
<TableHeaderColumn colSpan={4} style={labelStyle}>
Office
</TableHeaderColumn>
</TableRow>
</TableHeader>
<TableBody displayRowCheckbox={false} showRowHover={true}>
{_.map(this.state.jobInfos, jobInfo => {
return this._renderJobInfoTableRow(jobInfo);
})}
</TableBody>
</Table>
</div>
);
}
private _renderJobInfoTableRow(jobInfo: WebsiteBackendJobInfo): React.ReactNode {
return (
<TableRow
key={jobInfo.id}
hoverable={true}
displayBorder={false}
style={{ height: TABLE_ROW_MIN_HEIGHT, border: 2 }}
>
<TableRowColumn colSpan={5} style={labelStyle}>
{jobInfo.title}
</TableRowColumn>
<TableRowColumn colSpan={3} style={labelStyle}>
{jobInfo.department}
</TableRowColumn>
<TableRowColumn colSpan={4} style={labelStyle}>
{jobInfo.office}
</TableRowColumn>
</TableRow>
);
}
private async _fetchJobInfosAsync(): Promise<void> {
try {
if (!this._isUnmounted) {
this.setState({
jobInfos: undefined,
error: undefined,
});
}
const jobInfos = await backendClient.getJobInfosAsync();
if (!this._isUnmounted) {
this.setState({
jobInfos,
});
}
} catch (error) {
if (!this._isUnmounted) {
this.setState({
error,
});
}
}
}
private _onCellClick(rowNumber: number): void {
if (_.isUndefined(this.state.jobInfos)) {
return;
}
const jobInfo = this.state.jobInfos[rowNumber];
this._openJobInfoUrl(jobInfo);
}
private _openJobInfoUrl(jobInfo: WebsiteBackendJobInfo): void {
const url = jobInfo.url;
utils.openUrl(url);
}
}
export interface JobInfoListItemProps {
title?: string;
description?: string;
onClick?: (event: React.MouseEvent<HTMLElement>) => void;
}
const PlainJobInfoListItem: React.StatelessComponent<JobInfoListItemProps> = ({ title, description, onClick }) => (
<div className="mb3" onClick={onClick}>
<ListItem>
<Text fontWeight="bold" fontSize="16px" fontColor={colors.mediumBlue}>
{title + ' ›'}
</Text>
<Text className="pt1" fontSize="16px" fontColor={colors.darkGrey}>
{description}
</Text>
</ListItem>
</div>
);
export const JobInfoListItem = styled(PlainJobInfoListItem)`
cursor: pointer;
&:hover {
opacity: 0.5;
}
`;
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