unpkg/modules/actions/showStats.js

64 lines
1.5 KiB
JavaScript

const subDays = require('date-fns/sub_days');
const startOfDay = require('date-fns/start_of_day');
const startOfSecond = require('date-fns/start_of_second');
const StatsAPI = require('../StatsAPI');
function showStats(req, res) {
let since, until;
switch (req.query.period) {
case 'last-day':
until = startOfDay(new Date());
since = subDays(until, 1);
break;
case 'last-week':
until = startOfDay(new Date());
since = subDays(until, 7);
break;
case 'last-month':
until = startOfDay(new Date());
since = subDays(until, 30);
break;
default:
until = req.query.until
? new Date(req.query.until)
: startOfSecond(new Date());
since = new Date(req.query.since);
}
if (isNaN(since.getTime())) {
return res.status(403).send({ error: '?since is not a valid date' });
}
if (isNaN(until.getTime())) {
return res.status(403).send({ error: '?until is not a valid date' });
}
if (until <= since) {
return res
.status(403)
.send({ error: '?until date must come after ?since date' });
}
if (until >= new Date()) {
return res.status(403).send({ error: '?until must be a date in the past' });
}
StatsAPI.getStats(since, until).then(
stats => {
res
.set({
'Cache-Control': 'public, max-age=60',
'Cache-Tag': 'stats'
})
.send(stats);
},
error => {
console.error(error);
res.status(500).send({ error: 'Unable to fetch stats' });
}
);
}
module.exports = showStats;