stacker.news/api/resolvers/rewards.js

147 lines
5.7 KiB
JavaScript

import { GraphQLError } from 'graphql'
import { amountSchema, ssValidate } from '../../lib/validate'
import { serializeInvoicable } from './serial'
import { ANON_USER_ID } from '../../lib/constants'
import { getItem } from './item'
const rewardCache = new Map()
async function updateCachedRewards (when, models) {
const rewards = await getRewards(when, models)
rewardCache.set(when, { rewards, createdAt: Date.now() })
return rewards
}
async function getCachedRewards (staleIn, when, models) {
if (rewardCache.has(when)) {
const { rewards, createdAt } = rewardCache.get(when)
const expired = createdAt + staleIn < Date.now()
if (expired) updateCachedRewards(when, models).catch(console.error)
return rewards // serve stale rewards
}
return await updateCachedRewards(when, models)
}
async function getRewards (when, models) {
if (when) {
if (when.length > 2) {
throw new GraphQLError('too many dates', { extensions: { code: 'BAD_USER_INPUT' } })
}
when.forEach(w => {
if (isNaN(new Date(w))) {
throw new GraphQLError('invalid date', { extensions: { code: 'BAD_USER_INPUT' } })
}
})
if (new Date(when[0]) > new Date(when[when.length - 1])) {
throw new GraphQLError('bad date range', { extensions: { code: 'BAD_USER_INPUT' } })
}
}
const results = await models.$queryRaw`
WITH days_cte (day) AS (
SELECT date_trunc('day', t)
FROM generate_series(
COALESCE(${when?.[0]}::text::timestamp - interval '1 day', now() AT TIME ZONE 'America/Chicago'),
COALESCE(${when?.[when.length - 1]}::text::timestamp - interval '1 day', now() AT TIME ZONE 'America/Chicago'),
interval '1 day') AS t
)
SELECT coalesce(FLOOR(sum(sats)), 0) as total,
days_cte.day + interval '1 day' as time,
json_build_array(
json_build_object('name', 'donations', 'value', coalesce(FLOOR(sum(sats) FILTER(WHERE type = 'DONATION')), 0)),
json_build_object('name', 'fees', 'value', coalesce(FLOOR(sum(sats) FILTER(WHERE type NOT IN ('BOOST', 'STREAM', 'DONATION', 'ANON'))), 0)),
json_build_object('name', 'boost', 'value', coalesce(FLOOR(sum(sats) FILTER(WHERE type = 'BOOST')), 0)),
json_build_object('name', 'jobs', 'value', coalesce(FLOOR(sum(sats) FILTER(WHERE type = 'STREAM')), 0)),
json_build_object('name', 'anon''s stack', 'value', coalesce(FLOOR(sum(sats) FILTER(WHERE type = 'ANON')), 0))
) AS sources
FROM days_cte
CROSS JOIN LATERAL (
(SELECT ("ItemAct".msats - COALESCE("ReferralAct".msats, 0)) / 1000.0 as sats, act::text as type
FROM "ItemAct"
LEFT JOIN "ReferralAct" ON "ReferralAct"."itemActId" = "ItemAct".id
WHERE date_trunc('day', "ItemAct".created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago') = days_cte.day AND "ItemAct".act <> 'TIP')
UNION ALL
(SELECT sats::FLOAT, 'DONATION' as type
FROM "Donation"
WHERE date_trunc('day', created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago') = days_cte.day)
UNION ALL
-- any earnings from anon's stack that are not forwarded to other users
(SELECT "ItemAct".msats / 1000.0 as sats, 'ANON' as type
FROM "Item"
JOIN "ItemAct" ON "ItemAct"."itemId" = "Item".id
LEFT JOIN "ItemForward" ON "ItemForward"."itemId" = "Item".id
WHERE "Item"."userId" = ${ANON_USER_ID} AND "ItemAct".act = 'TIP'
AND date_trunc('day', "ItemAct".created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago') = days_cte.day
GROUP BY "ItemAct".id, "ItemAct".msats
HAVING COUNT("ItemForward".id) = 0)
) subquery
GROUP BY days_cte.day
ORDER BY days_cte.day ASC`
return results.length ? results : [{ total: 0, time: '0', sources: [] }]
}
export default {
Query: {
rewards: async (parent, { when }, { models }) =>
when ? await getRewards(when, models) : await getCachedRewards(5000, when, models),
meRewards: async (parent, { when }, { me, models }) => {
if (!me) {
return null
}
if (!when || when.length > 2) {
throw new GraphQLError('invalid date range', { extensions: { code: 'BAD_USER_INPUT' } })
}
for (const w of when) {
if (isNaN(new Date(w))) {
throw new GraphQLError('invalid date', { extensions: { code: 'BAD_USER_INPUT' } })
}
}
const results = await models.$queryRaw`
WITH days_cte (day) AS (
SELECT date_trunc('day', t)
FROM generate_series(
${when[0]}::text::timestamp,
${when[when.length - 1]}::text::timestamp,
interval '1 day') AS t
)
SELECT coalesce(sum(sats), 0) as total, json_agg("Earn".*) as rewards
FROM days_cte
CROSS JOIN LATERAL (
(SELECT FLOOR("Earn".msats / 1000.0) as sats, type, rank, "typeId"
FROM "Earn"
WHERE "Earn"."userId" = ${me.id}
AND date_trunc('day', "Earn".created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/Chicago') = days_cte.day
ORDER BY "Earn".msats DESC)
) "Earn"
GROUP BY days_cte.day
ORDER BY days_cte.day ASC`
return results
}
},
Mutation: {
donateToRewards: async (parent, { sats, hash, hmac }, { me, models, lnd }) => {
await ssValidate(amountSchema, { amount: sats })
await serializeInvoicable(
models.$queryRaw`SELECT donate(${sats}::INTEGER, ${me?.id || ANON_USER_ID}::INTEGER)`,
{ models, lnd, hash, hmac, me, enforceFee: sats }
)
return sats
}
},
Reward: {
item: async (reward, args, { me, models }) => {
if (!reward.typeId) {
return null
}
return getItem(reward, { id: reward.typeId }, { me, models })
}
}
}