manifold/web/components/tipper.tsx
2022-10-01 15:57:47 -05:00

94 lines
2.6 KiB
TypeScript

import { debounce } from 'lodash'
import { useEffect, useRef, useState } from 'react'
import { Comment } from 'common/comment'
import { User } from 'common/user'
import { CommentTips } from 'web/hooks/use-tip-txns'
import { useUser } from 'web/hooks/use-user'
import { transact } from 'web/lib/firebase/api'
import { track } from 'web/lib/service/analytics'
import { TipButton } from './contract/tip-button'
import { Row } from './layout/row'
import { LIKE_TIP_AMOUNT } from 'common/like'
export function Tipper(prop: { comment: Comment; tips: CommentTips }) {
const { comment, tips } = prop
const me = useUser()
const myId = me?.id ?? ''
const savedTip = tips[myId] ?? 0
const [localTip, setLocalTip] = useState(savedTip)
// listen for user being set
const initialized = useRef(false)
useEffect(() => {
if (tips[myId] && !initialized.current) {
setLocalTip(tips[myId])
initialized.current = true
}
}, [tips, myId])
// declare debounced function only on first render
const [saveTip] = useState(() =>
debounce(async (user: User, comment: Comment, change: number) => {
if (change === 0) {
return
}
const contractId =
comment.commentType === 'contract' ? comment.contractId : undefined
const groupId =
comment.commentType === 'group' ? comment.groupId : undefined
const postId = comment.commentType === 'post' ? comment.postId : undefined
await transact({
amount: change,
fromId: user.id,
fromType: 'USER',
toId: comment.userId,
toType: 'USER',
token: 'M$',
category: 'TIP',
data: { commentId: comment.id, contractId, groupId, postId },
description: `${user.name} tipped M$ ${change} to ${comment.userName} for a comment`,
})
track('send comment tip', {
commentId: comment.id,
contractId,
groupId,
postId,
amount: change,
fromId: user.id,
toId: comment.userId,
})
}, 1500)
)
// instant save on unrender
useEffect(() => () => void saveTip.flush(), [saveTip])
const addTip = (delta: number) => {
setLocalTip(localTip + delta)
me && saveTip(me, comment, localTip - savedTip + delta)
}
if (me && comment.userId === me.id) {
return <></>
}
const canUp = me && me.balance >= localTip + LIKE_TIP_AMOUNT
return (
<Row className="items-center gap-0.5">
<TipButton
tipAmount={LIKE_TIP_AMOUNT}
totalTipped={localTip}
onClick={() => addTip(+LIKE_TIP_AMOUNT)}
userTipped={localTip > 0}
disabled={!canUp}
isCompact
/>
</Row>
)
}