manifold/web/components/contract/like-market-button.tsx

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import { HeartIcon } from '@heroicons/react/outline'
import { Button } from 'web/components/button'
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import React, { useMemo } from 'react'
import { Contract } from 'common/contract'
import { User } from 'common/user'
import { useUserLikes } from 'web/hooks/use-likes'
import toast from 'react-hot-toast'
import { formatMoney } from 'common/util/format'
import { likeContract } from 'web/lib/firebase/likes'
import { LIKE_TIP_AMOUNT } from 'common/like'
import clsx from 'clsx'
import { Col } from 'web/components/layout/col'
import { firebaseLogin } from 'web/lib/firebase/users'
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import { useMarketTipTxns } from 'web/hooks/use-tip-txns'
import { sum } from 'lodash'
export function LikeMarketButton(props: {
contract: Contract
user: User | null | undefined
}) {
const { contract, user } = props
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const tips = useMarketTipTxns(contract.id).filter(
(txn) => txn.fromId === user?.id
)
const totalTipped = useMemo(() => {
return sum(tips.map((tip) => tip.amount))
}, [tips])
const likes = useUserLikes(user?.id)
const userLikedContractIds = likes
?.filter((l) => l.type === 'contract')
.map((l) => l.id)
const onLike = async () => {
if (!user) return firebaseLogin()
await likeContract(user, contract)
toast(`You tipped ${contract.creatorName} ${formatMoney(LIKE_TIP_AMOUNT)}!`)
}
return (
<Button
size={'lg'}
className={'max-w-xs self-center'}
color={'gray-white'}
onClick={onLike}
>
<Col className={'items-center sm:flex-row'}>
<HeartIcon
className={clsx(
'h-[24px] w-5 sm:mr-2',
user &&
(userLikedContractIds?.includes(contract.id) ||
(!likes && contract.likedByUserIds?.includes(user.id)))
? 'fill-red-500 text-red-500'
: ''
)}
/>
Tip {totalTipped > 0 ? `(${formatMoney(totalTipped)})` : ''}
</Col>
</Button>
)
}