manifold/web/components/feed/feed-items.tsx

897 lines
26 KiB
TypeScript

// From https://tailwindui.com/components/application-ui/lists/feeds
import React, { Fragment, useEffect, useRef, useState } from 'react'
import * as _ from 'lodash'
import { Dictionary } from 'lodash'
import {
BanIcon,
CheckIcon,
DotsVerticalIcon,
LockClosedIcon,
UserIcon,
UsersIcon,
XIcon,
} from '@heroicons/react/solid'
import clsx from 'clsx'
import Textarea from 'react-expanding-textarea'
import { OutcomeLabel } from '../outcome-label'
import {
Contract,
contractMetrics,
contractPath,
tradingAllowed,
} from 'web/lib/firebase/contracts'
import { useUser } from 'web/hooks/use-user'
import { Linkify } from '../linkify'
import { Row } from '../layout/row'
import { createComment, MAX_COMMENT_LENGTH } from 'web/lib/firebase/comments'
import { formatMoney } from 'common/util/format'
import { Comment } from 'common/comment'
import { BinaryResolutionOrChance } from '../contract/contract-card'
import { SiteLink } from '../site-link'
import { Col } from '../layout/col'
import { UserLink } from '../user-page'
import { Bet } from 'web/lib/firebase/bets'
import { JoinSpans } from '../join-spans'
import BetRow from '../bet-row'
import { Avatar } from '../avatar'
import { ActivityItem } from './activity-items'
import { Binary, CPMM, FullContract } from 'common/contract'
import { useSaveSeenContract } from 'web/hooks/use-seen-contracts'
import { User } from 'common/user'
import { trackClick } from 'web/lib/firebase/tracking'
import { firebaseLogin } from 'web/lib/firebase/users'
import { DAY_MS } from 'common/util/time'
import NewContractBadge from '../new-contract-badge'
import { RelativeTimestamp } from '../relative-timestamp'
import { calculateCpmmSale } from 'common/calculate-cpmm'
import { useRouter } from 'next/router'
import { FeedAnswerCommentGroup } from 'web/components/feed/feed-answer-comment-group'
import { getMostRecentCommentableBet } from 'web/components/feed/feed-comments'
import { CopyLinkDateTimeComponent } from 'web/components/feed/copy-link-date-time'
export function FeedItems(props: {
contract: Contract
items: ActivityItem[]
className?: string
betRowClassName?: string
}) {
const { contract, items, className, betRowClassName } = props
const { outcomeType } = contract
const [elem, setElem] = useState<HTMLElement | null>(null)
useSaveSeenContract(elem, contract)
return (
<div className={clsx('flow-root', className)} ref={setElem}>
<div className={clsx(tradingAllowed(contract) ? '' : '-mb-6')}>
{items.map((item, activityItemIdx) => (
<div key={item.id} className={'relative pb-6'}>
{activityItemIdx !== items.length - 1 ||
item.type === 'answergroup' ? (
<span
className="absolute top-5 left-5 -ml-px h-[calc(100%-2rem)] w-0.5 bg-gray-200"
aria-hidden="true"
/>
) : null}
<div className="relative flex items-start space-x-3">
<FeedItem item={item} />
</div>
</div>
))}
</div>
{outcomeType === 'BINARY' && tradingAllowed(contract) && (
<BetRow contract={contract} className={clsx('mb-2', betRowClassName)} />
)}
</div>
)
}
export function FeedItem(props: { item: ActivityItem }) {
const { item } = props
switch (item.type) {
case 'question':
return <FeedQuestion {...item} />
case 'description':
return <FeedDescription {...item} />
case 'comment':
return <FeedComment {...item} />
case 'bet':
return <FeedBet {...item} />
case 'betgroup':
return <FeedBetGroup {...item} />
case 'answergroup':
return <FeedAnswerCommentGroup {...item} />
case 'close':
return <FeedClose {...item} />
case 'resolve':
return <FeedResolve {...item} />
case 'commentInput':
return <CommentInput {...item} />
case 'commentThread':
return <FeedCommentThread {...item} />
}
}
export function FeedCommentThread(props: {
contract: Contract
comments: Comment[]
parentComment: Comment
betsByUserId: Dictionary<[Bet, ...Bet[]]>
truncate?: boolean
smallAvatar?: boolean
}) {
const {
contract,
comments,
betsByUserId,
truncate,
smallAvatar,
parentComment,
} = props
const [showReply, setShowReply] = useState(false)
const [replyToUsername, setReplyToUsername] = useState('')
const user = useUser()
const commentsList = comments.filter(
(comment) => comment.replyToCommentId === parentComment.id
)
commentsList.unshift(parentComment)
const [inputRef, setInputRef] = useState<HTMLTextAreaElement | null>(null)
function scrollAndOpenReplyInput(comment: Comment) {
setReplyToUsername(comment.userUsername)
setShowReply(true)
inputRef?.focus()
}
useEffect(() => {
if (showReply && inputRef) inputRef.focus()
}, [inputRef, showReply])
return (
<div className={'w-full flex-col flex-col pr-6'}>
{commentsList.map((comment, commentIdx) => (
<div
key={comment.id}
id={comment.id}
className={commentIdx === 0 ? '' : 'mt-4 ml-8'}
>
<FeedComment
contract={contract}
comment={comment}
betsBySameUser={betsByUserId[comment.userId] ?? []}
onReplyClick={scrollAndOpenReplyInput}
smallAvatar={smallAvatar}
truncate={truncate}
/>
</div>
))}
{showReply && (
<div className={'ml-8 w-full pt-6'}>
<CommentInput
contract={contract}
// Should we allow replies to contain recent bet info?
betsByCurrentUser={(user && betsByUserId[user.id]) ?? []}
comments={comments}
parentComment={parentComment}
replyToUsername={replyToUsername}
answerOutcome={comments[0].answerOutcome}
setRef={setInputRef}
/>
</div>
)}
</div>
)
}
export function FeedComment(props: {
contract: Contract
comment: Comment
betsBySameUser: Bet[]
truncate?: boolean
smallAvatar?: boolean
onReplyClick?: (comment: Comment) => void
}) {
const {
contract,
comment,
betsBySameUser,
truncate,
smallAvatar,
onReplyClick,
} = props
const { text, userUsername, userName, userAvatarUrl, createdTime } = comment
let outcome: string | undefined,
bought: string | undefined,
money: string | undefined
const matchedBet = betsBySameUser.find((bet) => bet.id === comment.betId)
if (matchedBet) {
outcome = matchedBet.outcome
bought = matchedBet.amount >= 0 ? 'bought' : 'sold'
money = formatMoney(Math.abs(matchedBet.amount))
}
const [highlighted, setHighlighted] = useState(false)
const router = useRouter()
useEffect(() => {
if (router.asPath.endsWith(`#${comment.id}`)) {
setHighlighted(true)
}
}, [router.asPath])
// Only calculated if they don't have a matching bet
const { userPosition, userPositionMoney, yesFloorShares, noFloorShares } =
getBettorsPosition(
contract,
comment.createdTime,
matchedBet ? [] : betsBySameUser
)
return (
<Row
className={clsx(
'flex space-x-3 transition-all duration-1000',
highlighted ? `-m-2 rounded bg-indigo-500/[0.2] p-2` : ''
)}
>
<Avatar
className={clsx(smallAvatar && 'ml-1')}
size={smallAvatar ? 'sm' : undefined}
username={userUsername}
avatarUrl={userAvatarUrl}
/>
<div className="min-w-0 flex-1">
<p className="mt-0.5 text-sm text-gray-500">
<UserLink
className="text-gray-500"
username={userUsername}
name={userName}
/>{' '}
{!matchedBet && userPosition > 0 && (
<>
{'had ' + userPositionMoney + ' '}
<>
{' of '}
<OutcomeLabel
outcome={yesFloorShares > noFloorShares ? 'YES' : 'NO'}
contract={contract}
truncate="short"
/>
</>
</>
)}
<>
{bought} {money}
{contract.outcomeType !== 'FREE_RESPONSE' && outcome && (
<>
{' '}
of{' '}
<OutcomeLabel
outcome={outcome ? outcome : ''}
contract={contract}
truncate="short"
/>
</>
)}
</>
<CopyLinkDateTimeComponent
contract={contract}
createdTime={createdTime}
elementId={comment.id}
/>
</p>
<TruncatedComment
comment={text}
moreHref={contractPath(contract)}
shouldTruncate={truncate}
/>
{onReplyClick && (
<button
className={'text-xs font-bold text-gray-500 hover:underline'}
onClick={() => onReplyClick(comment)}
>
Reply
</button>
)}
</div>
</Row>
)
}
export function CommentInput(props: {
contract: Contract
betsByCurrentUser: Bet[]
comments: Comment[]
// Tie a comment to an free response answer outcome
answerOutcome?: string
// Tie a comment to another comment
parentComment?: Comment
replyToUsername?: string
setRef?: (ref: HTMLTextAreaElement) => void
}) {
const {
contract,
betsByCurrentUser,
comments,
answerOutcome,
parentComment,
replyToUsername,
setRef,
} = props
const user = useUser()
const [comment, setComment] = useState('')
const [focused, setFocused] = useState(false)
const mostRecentCommentableBet = getMostRecentCommentableBet(
betsByCurrentUser,
comments,
user,
answerOutcome
)
const { id } = mostRecentCommentableBet || { id: undefined }
useEffect(() => {
if (!replyToUsername || !user || replyToUsername === user.username) return
const replacement = `@${replyToUsername} `
setComment(replacement + comment.replace(replacement, ''))
}, [user, replyToUsername])
async function submitComment(betId: string | undefined) {
if (!user) {
return await firebaseLogin()
}
if (!comment) return
// Update state asap to avoid double submission.
const commentValue = comment.toString()
setComment('')
await createComment(
contract.id,
commentValue,
user,
betId,
answerOutcome,
parentComment?.id
)
}
const { userPosition, userPositionMoney, yesFloorShares, noFloorShares } =
getBettorsPosition(contract, Date.now(), betsByCurrentUser)
const shouldCollapseAfterClickOutside = false
return (
<>
<Row className={'mb-2 flex w-full gap-2'}>
<div className={'mt-1'}>
<Avatar avatarUrl={user?.avatarUrl} username={user?.username} />
</div>
<div className={'min-w-0 flex-1'}>
<div className="text-sm text-gray-500">
<div className={'mb-1'}>
{mostRecentCommentableBet && (
<BetStatusText
contract={contract}
bet={mostRecentCommentableBet}
isSelf={true}
hideOutcome={contract.outcomeType === 'FREE_RESPONSE'}
/>
)}
{!mostRecentCommentableBet && user && userPosition > 0 && (
<>
{'You have ' + userPositionMoney + ' '}
<>
{' of '}
<OutcomeLabel
outcome={yesFloorShares > noFloorShares ? 'YES' : 'NO'}
contract={contract}
truncate="short"
/>
</>
</>
)}
</div>
<Row className="gap-1.5">
<Textarea
ref={(ref: HTMLTextAreaElement) => setRef?.(ref)}
value={comment}
onChange={(e) => setComment(e.target.value)}
className="textarea textarea-bordered w-full resize-none"
placeholder={
parentComment || answerOutcome
? 'Write a reply... '
: 'Write a comment...'
}
autoFocus={focused}
rows={focused ? 3 : 1}
onFocus={() => setFocused(true)}
onBlur={() =>
shouldCollapseAfterClickOutside && setFocused(false)
}
maxLength={MAX_COMMENT_LENGTH}
onKeyDown={(e) => {
if (e.key === 'Enter' && (e.ctrlKey || e.metaKey)) {
e.preventDefault()
submitComment(id)
}
}}
/>
<div
className={clsx(
'flex justify-center',
focused ? 'items-end' : 'items-center'
)}
>
{!user && (
<button
className={
'btn btn-outline btn-sm text-transform: capitalize'
}
onClick={() => submitComment(id)}
>
Sign in to Comment
</button>
)}
{user && (
<button
className={clsx(
'btn text-transform: block capitalize',
focused && comment
? 'btn-outline btn-sm '
: 'btn-ghost btn-sm text-gray-500'
)}
onClick={() => {
if (!focused) return
else {
submitComment(id)
setFocused(false)
}
}}
>
{parentComment || answerOutcome ? 'Reply' : 'Comment'}
</button>
)}
</div>
</Row>
</div>
</div>
</Row>
</>
)
}
function getBettorsPosition(
contract: Contract,
createdTime: number,
bets: Bet[]
) {
let yesFloorShares = 0,
yesShares = 0,
noShares = 0,
noFloorShares = 0
const emptyReturn = {
userPosition: 0,
userPositionMoney: 0,
yesFloorShares,
noFloorShares,
}
// TODO: show which of the answers was their majority stake at time of comment for FR?
if (contract.outcomeType != 'BINARY') {
return emptyReturn
}
if (bets.length === 0) {
return emptyReturn
}
// Calculate the majority shares they had when they made the comment
const betsBefore = bets.filter((prevBet) => prevBet.createdTime < createdTime)
const [yesBets, noBets] = _.partition(
betsBefore ?? [],
(bet) => bet.outcome === 'YES'
)
yesShares = _.sumBy(yesBets, (bet) => bet.shares)
noShares = _.sumBy(noBets, (bet) => bet.shares)
yesFloorShares = Math.floor(yesShares)
noFloorShares = Math.floor(noShares)
const userPosition = yesFloorShares || noFloorShares
const { saleValue } = calculateCpmmSale(
contract as FullContract<CPMM, Binary>,
yesShares || noShares,
yesFloorShares > noFloorShares ? 'YES' : 'NO'
)
const userPositionMoney = formatMoney(Math.abs(saleValue))
return { userPosition, userPositionMoney, yesFloorShares, noFloorShares }
}
export function FeedBet(props: {
contract: Contract
bet: Bet
hideOutcome: boolean
smallAvatar: boolean
bettor?: User // If set: reveal bettor identity
}) {
const { contract, bet, hideOutcome, smallAvatar, bettor } = props
const { userId } = bet
const user = useUser()
const isSelf = user?.id === userId
return (
<>
<Row className={'flex w-full gap-2 pt-3'}>
{isSelf ? (
<Avatar
className={clsx(smallAvatar && 'ml-1')}
size={smallAvatar ? 'sm' : undefined}
avatarUrl={user.avatarUrl}
username={user.username}
/>
) : bettor ? (
<Avatar
className={clsx(smallAvatar && 'ml-1')}
size={smallAvatar ? 'sm' : undefined}
avatarUrl={bettor.avatarUrl}
username={bettor.username}
/>
) : (
<div className="relative px-1">
<div className="flex h-8 w-8 items-center justify-center rounded-full bg-gray-200">
<UserIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
</div>
</div>
)}
<div className={'min-w-0 flex-1 py-1.5'}>
<BetStatusText
bet={bet}
contract={contract}
isSelf={isSelf}
bettor={bettor}
hideOutcome={hideOutcome}
/>
</div>
</Row>
</>
)
}
function BetStatusText(props: {
contract: Contract
bet: Bet
isSelf: boolean
bettor?: User
hideOutcome?: boolean
}) {
const { bet, contract, bettor, isSelf, hideOutcome } = props
const { amount, outcome, createdTime } = bet
const bought = amount >= 0 ? 'bought' : 'sold'
const money = formatMoney(Math.abs(amount))
return (
<div className="text-sm text-gray-500">
<span>{isSelf ? 'You' : bettor ? bettor.name : 'A trader'}</span> {bought}{' '}
{money}
{!hideOutcome && (
<>
{' '}
of{' '}
<OutcomeLabel
outcome={outcome}
contract={contract}
truncate="short"
/>
</>
)}
<RelativeTimestamp time={createdTime} />
</div>
)
}
function TruncatedComment(props: {
comment: string
moreHref: string
shouldTruncate?: boolean
}) {
const { comment, moreHref, shouldTruncate } = props
let truncated = comment
// Keep descriptions to at most 400 characters
const MAX_CHARS = 400
if (shouldTruncate && truncated.length > MAX_CHARS) {
truncated = truncated.slice(0, MAX_CHARS)
// Make sure to end on a space
const i = truncated.lastIndexOf(' ')
truncated = truncated.slice(0, i)
}
return (
<div
className="mt-2 whitespace-pre-line break-words text-gray-700"
style={{ fontSize: 15 }}
>
<Linkify text={truncated} />
{truncated != comment && (
<SiteLink href={moreHref} className="text-indigo-700">
... (show more)
</SiteLink>
)}
</div>
)
}
export function FeedQuestion(props: {
contract: Contract
showDescription: boolean
contractPath?: string
}) {
const { contract, showDescription } = props
const {
creatorName,
creatorUsername,
question,
outcomeType,
volume,
createdTime,
} = contract
const { volumeLabel } = contractMetrics(contract)
const isBinary = outcomeType === 'BINARY'
const isNew = createdTime > Date.now() - DAY_MS
return (
<>
<Avatar
username={contract.creatorUsername}
avatarUrl={contract.creatorAvatarUrl}
/>
<div className="min-w-0 flex-1 py-1.5">
<div className="mb-2 text-sm text-gray-500">
<UserLink
className="text-gray-900"
name={creatorName}
username={creatorUsername}
/>{' '}
asked
{/* Currently hidden on mobile; ideally we'd fit this in somewhere. */}
<div className="relative -top-2 float-right ">
{isNew || volume === 0 ? (
<NewContractBadge />
) : (
<span className="hidden text-gray-400 sm:inline">
{volumeLabel}
</span>
)}
</div>
</div>
<Col className="items-start justify-between gap-2 sm:flex-row sm:gap-4">
<SiteLink
href={
props.contractPath ? props.contractPath : contractPath(contract)
}
onClick={() => trackClick(contract.id)}
className="text-lg text-indigo-700 sm:text-xl"
>
{question}
</SiteLink>
{isBinary && (
<BinaryResolutionOrChance
className="items-center"
contract={contract}
/>
)}
</Col>
{showDescription && (
<TruncatedComment
comment={contract.description}
moreHref={contractPath(contract)}
shouldTruncate
/>
)}
</div>
</>
)
}
function FeedDescription(props: { contract: Contract }) {
const { contract } = props
const { creatorName, creatorUsername } = contract
const user = useUser()
const isCreator = user?.id === contract.creatorId
return (
<>
<Avatar
username={contract.creatorUsername}
avatarUrl={contract.creatorAvatarUrl}
/>
<div className="min-w-0 flex-1 py-1.5">
<div className="text-sm text-gray-500">
<UserLink
className="text-gray-900"
name={creatorName}
username={creatorUsername}
/>{' '}
created this market <RelativeTimestamp time={contract.createdTime} />
</div>
</div>
</>
)
}
function OutcomeIcon(props: { outcome?: string }) {
const { outcome } = props
switch (outcome) {
case 'YES':
return <CheckIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
case 'NO':
return <XIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
case 'CANCEL':
return <BanIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
default:
return <CheckIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
}
}
function FeedResolve(props: { contract: Contract }) {
const { contract } = props
const { creatorName, creatorUsername } = contract
const resolution = contract.resolution || 'CANCEL'
return (
<>
<div>
<div className="relative px-1">
<div className="flex h-8 w-8 items-center justify-center rounded-full bg-gray-200">
<OutcomeIcon outcome={resolution} />
</div>
</div>
</div>
<div className="min-w-0 flex-1 py-1.5">
<div className="text-sm text-gray-500">
<UserLink
className="text-gray-900"
name={creatorName}
username={creatorUsername}
/>{' '}
resolved this market to{' '}
<OutcomeLabel
outcome={resolution}
contract={contract}
truncate="long"
/>{' '}
<RelativeTimestamp time={contract.resolutionTime || 0} />
</div>
</div>
</>
)
}
function FeedClose(props: { contract: Contract }) {
const { contract } = props
return (
<>
<div>
<div className="relative px-1">
<div className="flex h-8 w-8 items-center justify-center rounded-full bg-gray-200">
<LockClosedIcon
className="h-5 w-5 text-gray-500"
aria-hidden="true"
/>
</div>
</div>
</div>
<div className="min-w-0 flex-1 py-1.5">
<div className="text-sm text-gray-500">
Trading closed in this market{' '}
<RelativeTimestamp time={contract.closeTime || 0} />
</div>
</div>
</>
)
}
function BetGroupSpan(props: {
contract: Contract
bets: Bet[]
outcome?: string
}) {
const { contract, bets, outcome } = props
const numberTraders = _.uniqBy(bets, (b) => b.userId).length
const [buys, sells] = _.partition(bets, (bet) => bet.amount >= 0)
const buyTotal = _.sumBy(buys, (b) => b.amount)
const sellTotal = _.sumBy(sells, (b) => -b.amount)
return (
<span>
{numberTraders} {numberTraders > 1 ? 'traders' : 'trader'}{' '}
<JoinSpans>
{buyTotal > 0 && <>bought {formatMoney(buyTotal)} </>}
{sellTotal > 0 && <>sold {formatMoney(sellTotal)} </>}
</JoinSpans>
{outcome && (
<>
{' '}
of{' '}
<OutcomeLabel
outcome={outcome}
contract={contract}
truncate="short"
/>
</>
)}{' '}
</span>
)
}
function FeedBetGroup(props: {
contract: Contract
bets: Bet[]
hideOutcome: boolean
}) {
const { contract, bets, hideOutcome } = props
const betGroups = _.groupBy(bets, (bet) => bet.outcome)
const outcomes = Object.keys(betGroups)
// Use the time of the last bet for the entire group
const createdTime = bets[bets.length - 1].createdTime
return (
<>
<div>
<div className="relative px-1">
<div className="flex h-8 w-8 items-center justify-center rounded-full bg-gray-200">
<UsersIcon className="h-5 w-5 text-gray-500" aria-hidden="true" />
</div>
</div>
</div>
<div className={clsx('min-w-0 flex-1', outcomes.length === 1 && 'mt-1')}>
<div className="text-sm text-gray-500">
{outcomes.map((outcome, index) => (
<Fragment key={outcome}>
<BetGroupSpan
contract={contract}
outcome={hideOutcome ? undefined : outcome}
bets={betGroups[outcome]}
/>
{index !== outcomes.length - 1 && <br />}
</Fragment>
))}
<RelativeTimestamp time={createdTime} />
</div>
</div>
</>
)
}
// TODO: Should highlight the entire Feed segment
function FeedExpand(props: { setExpanded: (expanded: boolean) => void }) {
const { setExpanded } = props
return (
<>
<button onClick={() => setExpanded(true)}>
<div className="relative px-1">
<div className="flex h-8 w-8 items-center justify-center rounded-full bg-gray-200 hover:bg-gray-300">
<DotsVerticalIcon
className="h-5 w-5 text-gray-500"
aria-hidden="true"
/>
</div>
</div>
</button>
<button onClick={() => setExpanded(true)}>
<div className="min-w-0 flex-1 py-1.5">
<div className="text-sm text-gray-500 hover:text-gray-700">
<span>Show all activity</span>
</div>
</div>
</button>
</>
)
}