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