manifold/web/hooks/use-portfolio-history.ts
2022-08-31 21:59:58 -07:00

42 lines
1.2 KiB
TypeScript

import { QueryClient } from 'react-query'
import { useFirestoreQueryData } from '@react-query-firebase/firestore'
import { DAY_MS, HOUR_MS } from 'common/util/time'
import { getPortfolioHistoryQuery, Period } from 'web/lib/firebase/users'
const queryClient = new QueryClient()
const getCutoff = (period: Period) => {
const nowRounded = Math.round(Date.now() / HOUR_MS) * HOUR_MS
return periodToCutoff(nowRounded, period).valueOf()
}
export const prefetchPortfolioHistory = (userId: string, period: Period) => {
const cutoff = getCutoff(period)
return queryClient.prefetchQuery(['portfolio-history', userId, cutoff], () =>
getPortfolioHistoryQuery(userId, cutoff)
)
}
export const usePortfolioHistory = (userId: string, period: Period) => {
const cutoff = getCutoff(period)
const result = useFirestoreQueryData(
['portfolio-history', userId, cutoff],
getPortfolioHistoryQuery(userId, cutoff)
)
return result.data
}
const periodToCutoff = (now: number, period: Period) => {
switch (period) {
case 'daily':
return now - 1 * DAY_MS
case 'weekly':
return now - 7 * DAY_MS
case 'monthly':
return now - 30 * DAY_MS
case 'allTime':
default:
return new Date(0)
}
}