import React from 'react'; import PropTypes from 'prop-types'; import api from 'mastodon/api'; import { FormattedNumber } from 'react-intl'; import { Sparklines, SparklinesCurve } from 'react-sparklines'; import classNames from 'classnames'; import Skeleton from 'mastodon/components/skeleton'; const percIncrease = (a, b) => { let percent; if (b !== 0) { if (a !== 0) { percent = (b - a) / a; } else { percent = 1; } } else if (b === 0 && a === 0) { percent = 0; } else { percent = - 1; } return percent; }; export default class Counter extends React.PureComponent { static propTypes = { measure: PropTypes.string.isRequired, start_at: PropTypes.string.isRequired, end_at: PropTypes.string.isRequired, label: PropTypes.string.isRequired, href: PropTypes.string, params: PropTypes.object, target: PropTypes.string, }; state = { loading: true, data: null, }; componentDidMount () { const { measure, start_at, end_at, params } = this.props; api().post('/api/v1/admin/measures', { keys: [measure], start_at, end_at, [measure]: params }).then(res => { this.setState({ loading: false, data: res.data, }); }).catch(err => { console.error(err); }); } render () { const { label, href, target } = this.props; const { loading, data } = this.state; let content; if (loading) { content = ( <React.Fragment> <span className='sparkline__value__total'><Skeleton width={43} /></span> <span className='sparkline__value__change'><Skeleton width={43} /></span> </React.Fragment> ); } else { const measure = data[0]; const percentChange = measure.previous_total && percIncrease(measure.previous_total * 1, measure.total * 1); content = ( <React.Fragment> <span className='sparkline__value__total'>{measure.human_value || <FormattedNumber value={measure.total} />}</span> {measure.previous_total && (<span className={classNames('sparkline__value__change', { positive: percentChange > 0, negative: percentChange < 0 })}>{percentChange > 0 && '+'}<FormattedNumber value={percentChange} style='percent' /></span>)} </React.Fragment> ); } const inner = ( <React.Fragment> <div className='sparkline__value'> {content} </div> <div className='sparkline__label'> {label} </div> <div className='sparkline__graph'> {!loading && ( <Sparklines width={259} height={55} data={data[0].data.map(x => x.value * 1)}> <SparklinesCurve /> </Sparklines> )} </div> </React.Fragment> ); if (href) { return ( <a href={href} className='sparkline' target={target}> {inner} </a> ); } else { return ( <div className='sparkline'> {inner} </div> ); } } }