manifold/web/hooks/use-tip-txns.ts
Sinclair Chen 833dd37469
Comment tips (attempt 2) (#539)
* Add tip arrows UI (visual)

* move tipper into its own component

* simplify score calculation

* Add tip txns

- more specific txn types
- fix transact cloud function to be able to create tip txns
- insert tips into comments via a context

* Refactor tipper to send tip txns

* Stop tipping yourself. Disable anons.

* Style tipper (smaller)

* remove default exports

* capitalize tooltips

* rename stuff

* add exhausting hook dependencies

* replace context with prop threading

* fix eslint unused vars

* fix: thread tips correctly into fr comments
2022-06-17 22:28:16 -05:00

24 lines
783 B
TypeScript

import { TipTxn } from 'common/txn'
import { groupBy, mapValues, sumBy } from 'lodash'
import { useEffect, useMemo, useState } from 'react'
import { listenForTipTxns } from 'web/lib/firebase/txns'
export type CommentTips = { [userId: string]: number }
export type CommentTipMap = { [commentId: string]: CommentTips }
export function useTipTxns(contractId: string): CommentTipMap {
const [txns, setTxns] = useState<TipTxn[]>([])
useEffect(() => {
return listenForTipTxns(contractId, setTxns)
}, [contractId, setTxns])
return useMemo(() => {
const byComment = groupBy(txns, 'data.commentId')
return mapValues(byComment, (txns) => {
const bySender = groupBy(txns, 'fromId')
return mapValues(bySender, (t) => sumBy(t, 'amount'))
})
}, [txns])
}