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make rewards query less aggressive

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This commit is contained in:
keyan 2023-10-23 19:46:51 -05:00
parent d2697477a0
commit a85af82460
1 changed files with 80 additions and 58 deletions
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30
api/resolvers/rewards.js
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@ -4,9 +4,26 @@ import { serializeInvoicable } from './serial'
import { ANON_USER_ID } from '../../lib/constants'
import { getItem } from './item'
export default {
Query: {
rewards: async (parent, { when }, { models }) => {
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) {
console.log('getRewards', when)
if (when) {
if (when.length > 2) {
throw new GraphQLError('too many dates', { extensions: { code: 'BAD_USER_INPUT' } })
@ -63,7 +80,12 @@ export default {
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