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import { colors, Styles } from '@0xproject/react-shared';
import * as _ from 'lodash';
import CircularProgress from 'material-ui/CircularProgress';
import FlatButton from 'material-ui/FlatButton';
import { GridList } from 'material-ui/GridList';
import * as React from 'react';
import { RelayerGridTile } from 'ts/components/relayer_index/relayer_grid_tile';
import { WebsiteBackendRelayerInfo } from 'ts/types';
import { backendClient } from 'ts/utils/backend_client';
export interface RelayerIndexProps {
networkId: number;
}
interface RelayerIndexState {
relayerInfos?: WebsiteBackendRelayerInfo[];
error?: Error;
}
const styles: Styles = {
root: {
width: '100%',
},
item: {
backgroundColor: colors.white,
borderBottomRightRadius: 10,
borderBottomLeftRadius: 10,
borderTopRightRadius: 10,
borderTopLeftRadius: 10,
boxShadow: `0px 4px 6px ${colors.walletBoxShadow}`,
overflow: 'hidden',
padding: 4,
},
};
const CELL_HEIGHT = 290;
const NUMBER_OF_COLUMNS = 4;
const GRID_PADDING = 20;
export class RelayerIndex extends React.Component<RelayerIndexProps, RelayerIndexState> {
private _isUnmounted: boolean;
constructor(props: RelayerIndexProps) {
super(props);
this._isUnmounted = false;
this.state = {
relayerInfos: undefined,
error: undefined,
};
}
public componentWillMount(): void {
// tslint:disable-next-line:no-floating-promises
this._fetchRelayerInfosAsync();
}
public componentWillUnmount(): void {
this._isUnmounted = true;
}
public render(): React.ReactNode {
const isReadyToRender = _.isUndefined(this.state.error) && !_.isUndefined(this.state.relayerInfos);
if (!isReadyToRender) {
return (
<div className="col col-12" style={{ ...styles.root, height: '100%' }}>
<div
className="relative sm-px2 sm-pt2 sm-m1"
style={{ height: 122, top: '33%', transform: 'translateY(-50%)' }}
>
<div className="center pb2">
{_.isUndefined(this.state.error) ? (
<CircularProgress size={40} thickness={5} />
) : (
<Retry onRetry={this._fetchRelayerInfosAsync.bind(this)} />
)}
</div>
</div>
</div>
);
} else {
return (
<div style={styles.root}>
<GridList
cellHeight={CELL_HEIGHT}
cols={NUMBER_OF_COLUMNS}
padding={GRID_PADDING}
style={styles.gridList}
>
{this.state.relayerInfos.map((relayerInfo: WebsiteBackendRelayerInfo, index) => (
<RelayerGridTile key={index} relayerInfo={relayerInfo} networkId={this.props.networkId} />
))}
</GridList>
</div>
);
}
}
private async _fetchRelayerInfosAsync(): Promise<void> {
try {
if (!this._isUnmounted) {
this.setState({
relayerInfos: undefined,
error: undefined,
});
}
const relayerInfos = await backendClient.getRelayerInfosAsync();
if (!this._isUnmounted) {
this.setState({
relayerInfos,
});
}
} catch (error) {
if (!this._isUnmounted) {
this.setState({
error,
});
}
}
}
}
interface RetryProps {
onRetry: () => void;
}
const Retry = (props: RetryProps) => (
<div className="clearfix center" style={{ color: colors.black }}>
<div className="mx-auto inline-block align-middle" style={{ lineHeight: '44px', textAlign: 'center' }}>
<div className="h2" style={{ fontFamily: 'Roboto Mono' }}>
Something went wrong.
</div>
<div className="py3">
<FlatButton
label={'reload'}
backgroundColor={colors.black}
labelStyle={{
fontSize: 18,
fontFamily: 'Roboto Mono',
fontWeight: 'lighter',
color: colors.white,
textTransform: 'lowercase',
}}
style={{ width: 280, height: 62, borderRadius: 5 }}
onClick={props.onRetry}
/>
</div>
</div>
</div>
);
|
