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Add graphs and retention metrics to admin dashboard (#16829)

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Eugen Rochko 2021-10-14 20:44:59 +02:00 • committed by GitHub
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app/javascript/mastodon/components/admin/Retention.js Normal file
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import React from 'react';
import PropTypes from 'prop-types';
import api from 'mastodon/api';
import { FormattedMessage, FormattedNumber, FormattedDate } from 'react-intl';
import classNames from 'classnames';
import { roundTo10 } from 'mastodon/utils/numbers';
const dateForCohort = cohort => {
switch(cohort.frequency) {
case 'day':
return <FormattedDate value={cohort.period} month='long' day='2-digit' />;
default:
return <FormattedDate value={cohort.period} month='long' year='numeric' />;
}
};
export default class Retention extends React.PureComponent {
static propTypes = {
start_at: PropTypes.string,
end_at: PropTypes.string,
frequency: PropTypes.string,
};
state = {
loading: true,
data: null,
};
componentDidMount () {
const { start_at, end_at, frequency } = this.props;
api().post('/api/v1/admin/retention', { start_at, end_at, frequency }).then(res => {
this.setState({
loading: false,
data: res.data,
});
}).catch(err => {
console.error(err);
});
}
render () {
const { loading, data } = this.state;
let content;
if (loading) {
content = <FormattedMessage id='loading_indicator.label' defaultMessage='Loading...' />;
} else {
content = (
<table className='retention__table'>
<thead>
<tr>
<th>
<div className='retention__table__date retention__table__label'>
<FormattedMessage id='admin.dashboard.retention.cohort' defaultMessage='Sign-up month' />
</div>
</th>
<th>
<div className='retention__table__number retention__table__label'>
<FormattedMessage id='admin.dashboard.retention.cohort_size' defaultMessage='New users' />
</div>
</th>
{data[0].data.slice(1).map((retention, i) => (
<th key={retention.date}>
<div className='retention__table__number retention__table__label'>
{i + 1}
</div>
</th>
))}
</tr>
<tr>
<td>
<div className='retention__table__date retention__table__average'>
<FormattedMessage id='admin.dashboard.retention.average' defaultMessage='Average' />
</div>
</td>
<td>
<div className='retention__table__size'>
<FormattedNumber value={data.reduce((sum, cohort, i) => sum + ((cohort.data[0].value * 1) - sum) / (i + 1), 0)} maximumFractionDigits={0} />
</div>
</td>
{data[0].data.slice(1).map((retention, i) => {
const average = data.reduce((sum, cohort, k) => cohort.data[i + 1] ? sum + (cohort.data[i + 1].percent - sum)/(k + 1) : sum, 0);
return (
<td key={retention.date}>
<div className={classNames('retention__table__box', 'retention__table__average', `retention__table__box--${roundTo10(average * 100)}`)}>
<FormattedNumber value={average} style='percent' />
</div>
</td>
);
})}
</tr>
</thead>
<tbody>
{data.slice(0, -1).map(cohort => (
<tr key={cohort.period}>
<td>
<div className='retention__table__date'>
{dateForCohort(cohort)}
</div>
</td>
<td>
<div className='retention__table__size'>
<FormattedNumber value={cohort.data[0].value} />
</div>
</td>
{cohort.data.slice(1).map(retention => (
<td key={retention.date}>
<div className={classNames('retention__table__box', `retention__table__box--${roundTo10(retention.percent * 100)}`)}>
<FormattedNumber value={retention.percent} style='percent' />
</div>
</td>
))}
</tr>
))}
</tbody>
</table>
);
}
return (
<div className='retention'>
<h4><FormattedMessage id='admin.dashboard.retention' defaultMessage='Retention' /></h4>
{content}
</div>
);
}
}