24 lines
783 B
TypeScript
24 lines
783 B
TypeScript
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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 { listenForTipTxns } 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(contractId: string): CommentTipMap {
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const [txns, setTxns] = useState<TipTxn[]>([])
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useEffect(() => {
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return listenForTipTxns(contractId, setTxns)
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}, [contractId, 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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