stacker.news/api/resolvers/referrals.js

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import { GraphQLError } from 'graphql'
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import { withClause, intervalClause, timeUnit } from './growth'
export default {
Query: {
referrals: async (parent, { when }, { models, me }) => {
if (!me) {
throw new GraphQLError('you must be logged in', { extensions: { code: 'UNAUTHENTICATED' } })
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}
const [{ totalSats }] = await models.$queryRaw(`
SELECT COALESCE(FLOOR(sum(msats) / 1000), 0) as "totalSats"
FROM "ReferralAct"
WHERE ${intervalClause(when, 'ReferralAct', true)}
"ReferralAct"."referrerId" = $1
`, Number(me.id))
const [{ totalReferrals }] = await models.$queryRaw(`
SELECT count(*) as "totalReferrals"
FROM users
WHERE ${intervalClause(when, 'users', true)}
"referrerId" = $1
`, Number(me.id))
const stats = await models.$queryRaw(
`${withClause(when)}
SELECT time, json_build_array(
json_build_object('name', 'referrals', 'value', count(*) FILTER (WHERE act = 'REFERREE')),
json_build_object('name', 'sats', 'value', FLOOR(COALESCE(sum(msats) FILTER (WHERE act IN ('BOOST', 'STREAM', 'FEE')), 0)))
) AS data
FROM times
LEFT JOIN
((SELECT "ReferralAct".created_at, "ReferralAct".msats / 1000.0 as msats, "ItemAct".act::text as act
FROM "ReferralAct"
JOIN "ItemAct" ON "ItemAct".id = "ReferralAct"."itemActId"
WHERE ${intervalClause(when, 'ReferralAct', true)}
"ReferralAct"."referrerId" = $1)
UNION ALL
(SELECT created_at, 0.0 as sats, 'REFERREE' as act
FROM users
WHERE ${intervalClause(when, 'users', true)}
"referrerId" = $1)) u ON time = date_trunc('${timeUnit(when)}', u.created_at)
GROUP BY time
ORDER BY time ASC`, Number(me.id))
return {
totalSats,
totalReferrals,
stats
}
}
}
}