572 lines
16 KiB
TypeScript
572 lines
16 KiB
TypeScript
import { Bet } from 'common/bet'
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import { Comment } from 'common/comment'
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import { User } from 'common/user'
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import { Contract } from 'common/contract'
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import React, { useEffect, useState } from 'react'
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import { minBy, maxBy, groupBy, partition, sumBy, Dictionary } from 'lodash'
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import { useUser } from 'web/hooks/use-user'
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import { formatMoney } from 'common/util/format'
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import { useRouter } from 'next/router'
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import { Row } from 'web/components/layout/row'
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import clsx from 'clsx'
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import { Avatar } from 'web/components/avatar'
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import { UserLink } from 'web/components/user-page'
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import { OutcomeLabel } from 'web/components/outcome-label'
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import { CopyLinkDateTimeComponent } from 'web/components/feed/copy-link-date-time'
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import { firebaseLogin } from 'web/lib/firebase/users'
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import {
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createCommentOnContract,
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MAX_COMMENT_LENGTH,
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} from 'web/lib/firebase/comments'
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import { BetStatusText } from 'web/components/feed/feed-bets'
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import { Col } from 'web/components/layout/col'
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import { getProbability } from 'common/calculate'
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import { LoadingIndicator } from 'web/components/loading-indicator'
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import { PaperAirplaneIcon } from '@heroicons/react/outline'
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import { track } from 'web/lib/service/analytics'
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import { Tipper } from '../tipper'
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import { CommentTipMap, CommentTips } from 'web/hooks/use-tip-txns'
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import { useWindowSize } from 'web/hooks/use-window-size'
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import { Content, TextEditor, useTextEditor } from '../editor'
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import { Editor, JSONContent } from '@tiptap/react'
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export function FeedCommentThread(props: {
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contract: Contract
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comments: Comment[]
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tips: CommentTipMap
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parentComment: Comment
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bets: Bet[]
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smallAvatar?: boolean
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}) {
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const { contract, comments, bets, tips, smallAvatar, parentComment } = props
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const [showReply, setShowReply] = useState(false)
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const [replyToUsername, setReplyToUsername] = useState('')
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const betsByUserId = groupBy(bets, (bet) => bet.userId)
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const user = useUser()
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const commentsList = comments.filter(
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(comment) =>
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parentComment.id && comment.replyToCommentId === parentComment.id
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)
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commentsList.unshift(parentComment)
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function scrollAndOpenReplyInput(comment: Comment) {
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setReplyToUsername(comment.userUsername)
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setShowReply(true)
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//TODO focus
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}
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return (
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<Col className={'w-full gap-3 pr-1'}>
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<span
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className="absolute top-5 left-5 -ml-px h-[calc(100%-2rem)] w-0.5 bg-gray-200"
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aria-hidden="true"
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/>
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<CommentRepliesList
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contract={contract}
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commentsList={commentsList}
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betsByUserId={betsByUserId}
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tips={tips}
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smallAvatar={smallAvatar}
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bets={bets}
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scrollAndOpenReplyInput={scrollAndOpenReplyInput}
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/>
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{showReply && (
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<Col className={'-pb-2 ml-6'}>
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<span
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className="absolute -ml-[1px] mt-[0.8rem] h-2 w-0.5 rotate-90 bg-gray-200"
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aria-hidden="true"
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/>
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<CommentInput
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contract={contract}
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betsByCurrentUser={(user && betsByUserId[user.id]) ?? []}
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commentsByCurrentUser={comments.filter(
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(c) => c.userId === user?.id
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)}
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parentCommentId={parentComment.id}
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replyToUsername={replyToUsername}
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parentAnswerOutcome={comments[0].answerOutcome}
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onSubmitComment={() => {
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setShowReply(false)
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setReplyToUsername('')
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}}
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/>
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</Col>
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)}
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</Col>
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)
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}
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export function CommentRepliesList(props: {
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contract: Contract
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commentsList: Comment[]
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betsByUserId: Dictionary<Bet[]>
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tips: CommentTipMap
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scrollAndOpenReplyInput: (comment: Comment) => void
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bets: Bet[]
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treatFirstIndexEqually?: boolean
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smallAvatar?: boolean
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}) {
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const {
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contract,
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commentsList,
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betsByUserId,
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tips,
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smallAvatar,
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bets,
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scrollAndOpenReplyInput,
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treatFirstIndexEqually,
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} = props
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return (
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<>
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{commentsList.map((comment, commentIdx) => (
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<div
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key={comment.id}
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id={comment.id}
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className={clsx(
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'relative',
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!treatFirstIndexEqually && commentIdx === 0 ? '' : 'ml-6'
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)}
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>
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{/*draw a gray line from the comment to the left:*/}
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{(treatFirstIndexEqually || commentIdx != 0) && (
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<span
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className="absolute -ml-[1px] mt-[0.8rem] h-2 w-0.5 rotate-90 bg-gray-200"
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aria-hidden="true"
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/>
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)}
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<FeedComment
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contract={contract}
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comment={comment}
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tips={tips[comment.id]}
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betsBySameUser={betsByUserId[comment.userId] ?? []}
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onReplyClick={scrollAndOpenReplyInput}
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probAtCreatedTime={
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contract.outcomeType === 'BINARY'
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? minBy(bets, (bet) => {
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return bet.createdTime < comment.createdTime
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? comment.createdTime - bet.createdTime
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: comment.createdTime
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})?.probAfter
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: undefined
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}
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smallAvatar={smallAvatar}
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/>
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</div>
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))}
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</>
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)
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}
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export function FeedComment(props: {
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contract: Contract
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comment: Comment
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tips: CommentTips
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betsBySameUser: Bet[]
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probAtCreatedTime?: number
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smallAvatar?: boolean
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onReplyClick?: (comment: Comment) => void
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}) {
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const {
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contract,
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comment,
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tips,
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betsBySameUser,
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probAtCreatedTime,
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onReplyClick,
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} = props
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const { text, content, userUsername, userName, userAvatarUrl, createdTime } =
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comment
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let betOutcome: string | undefined,
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bought: string | undefined,
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money: string | undefined
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const matchedBet = betsBySameUser.find((bet) => bet.id === comment.betId)
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if (matchedBet) {
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betOutcome = matchedBet.outcome
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bought = matchedBet.amount >= 0 ? 'bought' : 'sold'
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money = formatMoney(Math.abs(matchedBet.amount))
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}
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const [highlighted, setHighlighted] = useState(false)
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const router = useRouter()
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useEffect(() => {
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if (router.asPath.endsWith(`#${comment.id}`)) {
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setHighlighted(true)
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}
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}, [comment.id, router.asPath])
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// Only calculated if they don't have a matching bet
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const { userPosition, outcome } = getBettorsLargestPositionBeforeTime(
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contract,
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comment.createdTime,
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matchedBet ? [] : betsBySameUser
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)
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return (
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<Row
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className={clsx(
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'flex space-x-1.5 sm:space-x-3',
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highlighted ? `-m-1 rounded bg-indigo-500/[0.2] p-2` : ''
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)}
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>
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<Avatar
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className={'ml-1'}
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size={'sm'}
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username={userUsername}
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avatarUrl={userAvatarUrl}
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/>
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<div className="min-w-0 flex-1">
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<div className="mt-0.5 pl-0.5 text-sm text-gray-500">
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<UserLink
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className="text-gray-500"
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username={userUsername}
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name={userName}
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/>{' '}
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{!matchedBet &&
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userPosition > 0 &&
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contract.outcomeType !== 'NUMERIC' && (
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<>
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{'is '}
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<CommentStatus
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prob={probAtCreatedTime}
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outcome={outcome}
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contract={contract}
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/>
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</>
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)}
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<>
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{bought} {money}
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{contract.outcomeType !== 'FREE_RESPONSE' && betOutcome && (
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<>
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{' '}
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of{' '}
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<OutcomeLabel
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outcome={betOutcome ? betOutcome : ''}
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value={(matchedBet as any).value}
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contract={contract}
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truncate="short"
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/>
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</>
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)}
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</>
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<CopyLinkDateTimeComponent
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prefix={contract.creatorUsername}
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slug={contract.slug}
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createdTime={createdTime}
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elementId={comment.id}
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/>
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</div>
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<div className="mt-2 text-[15px] text-gray-700">
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<Content content={content || text} />
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</div>
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<Row className="mt-2 items-center gap-6 text-xs text-gray-500">
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<Tipper comment={comment} tips={tips ?? {}} />
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{onReplyClick && (
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<button
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className="font-bold hover:underline"
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onClick={() => onReplyClick(comment)}
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>
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Reply
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</button>
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)}
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</Row>
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</div>
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</Row>
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)
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}
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export function getMostRecentCommentableBet(
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betsByCurrentUser: Bet[],
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commentsByCurrentUser: Comment[],
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user?: User | null,
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answerOutcome?: string
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) {
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let sortedBetsByCurrentUser = betsByCurrentUser.sort(
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(a, b) => b.createdTime - a.createdTime
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)
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if (answerOutcome) {
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sortedBetsByCurrentUser = sortedBetsByCurrentUser.slice(0, 1)
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}
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return sortedBetsByCurrentUser
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.filter((bet) => {
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if (
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canCommentOnBet(bet, user) &&
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!commentsByCurrentUser.some(
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(comment) => comment.createdTime > bet.createdTime
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)
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) {
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if (!answerOutcome) return true
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return answerOutcome === bet.outcome
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}
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return false
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})
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.pop()
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}
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function CommentStatus(props: {
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contract: Contract
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outcome: string
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prob?: number
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}) {
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const { contract, outcome, prob } = props
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return (
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<>
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{' betting '}
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<OutcomeLabel outcome={outcome} contract={contract} truncate="short" />
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{prob && ' at ' + Math.round(prob * 100) + '%'}
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</>
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)
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}
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//TODO: move commentinput and comment input text area into their own files
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export function CommentInput(props: {
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contract: Contract
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betsByCurrentUser: Bet[]
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commentsByCurrentUser: Comment[]
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replyToUsername?: string
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// Reply to a free response answer
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parentAnswerOutcome?: string
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// Reply to another comment
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parentCommentId?: string
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onSubmitComment?: () => void
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}) {
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const {
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contract,
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betsByCurrentUser,
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commentsByCurrentUser,
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parentAnswerOutcome,
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parentCommentId,
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replyToUsername,
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onSubmitComment,
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} = props
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const user = useUser()
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const { editor, upload } = useTextEditor({
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simple: true,
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max: MAX_COMMENT_LENGTH,
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placeholder:
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!!parentCommentId || !!parentAnswerOutcome
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? 'Write a reply...'
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: 'Write a comment...',
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})
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const [isSubmitting, setIsSubmitting] = useState(false)
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const mostRecentCommentableBet = getMostRecentCommentableBet(
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betsByCurrentUser,
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commentsByCurrentUser,
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user,
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parentAnswerOutcome
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)
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const { id } = mostRecentCommentableBet || { id: undefined }
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async function submitComment(betId: string | undefined) {
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if (!user) {
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track('sign in to comment')
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return await firebaseLogin()
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}
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if (!editor || editor.isEmpty || isSubmitting) return
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setIsSubmitting(true)
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await createCommentOnContract(
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contract.id,
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editor.getJSON(),
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user,
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betId,
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parentAnswerOutcome,
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parentCommentId
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)
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onSubmitComment?.()
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setIsSubmitting(false)
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}
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const { userPosition, outcome } = getBettorsLargestPositionBeforeTime(
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contract,
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Date.now(),
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betsByCurrentUser
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)
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const isNumeric = contract.outcomeType === 'NUMERIC'
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return (
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<>
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<Row className={'mb-2 gap-1 sm:gap-2'}>
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<div className={'mt-2'}>
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<Avatar
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avatarUrl={user?.avatarUrl}
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username={user?.username}
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size={'sm'}
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className={'ml-1'}
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/>
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</div>
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<div className={'min-w-0 flex-1'}>
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<div className="pl-0.5 text-sm text-gray-500">
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<div className={'mb-1'}>
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{mostRecentCommentableBet && (
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<BetStatusText
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contract={contract}
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bet={mostRecentCommentableBet}
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isSelf={true}
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hideOutcome={
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isNumeric || contract.outcomeType === 'FREE_RESPONSE'
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}
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/>
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)}
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{!mostRecentCommentableBet &&
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user &&
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userPosition > 0 &&
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!isNumeric && (
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<>
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{"You're"}
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<CommentStatus
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outcome={outcome}
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contract={contract}
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prob={
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contract.outcomeType === 'BINARY'
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? getProbability(contract)
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: undefined
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}
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/>
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</>
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)}
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</div>
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<CommentInputTextArea
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editor={editor}
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upload={upload}
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replyToUsername={replyToUsername ?? ''}
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user={user}
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submitComment={submitComment}
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isSubmitting={isSubmitting}
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presetId={id}
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/>
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</div>
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</div>
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</Row>
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</>
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)
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}
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export function CommentInputTextArea(props: {
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user: User | undefined | null
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replyToUsername: string
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editor: Editor | null
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upload: any
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submitComment: (id?: string) => void
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isSubmitting: boolean
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presetId?: string
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}) {
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const {
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user,
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editor,
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upload,
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submitComment,
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presetId,
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isSubmitting,
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replyToUsername,
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} = props
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const { width } = useWindowSize()
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useEffect(() => {
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editor?.setEditable(!isSubmitting)
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}, [isSubmitting, editor])
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// TODO: make at mention show up at beginning
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return (
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<>
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<Row className="gap-1.5 text-gray-700">
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<TextEditor editor={editor} upload={upload} />
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<Col className={clsx('relative justify-end')}>
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{user && !isSubmitting && (
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<button
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className={clsx(
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'btn btn-ghost btn-sm absolute right-2 bottom-2 flex-row pl-2 capitalize',
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(!editor || editor.isEmpty) &&
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'pointer-events-none text-gray-500'
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)}
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onClick={() => {
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submitComment(presetId)
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editor?.commands.clearContent()
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}}
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>
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<PaperAirplaneIcon
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className={'m-0 min-w-[22px] rotate-90 p-0 '}
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height={25}
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/>
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</button>
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)}
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{isSubmitting && (
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<LoadingIndicator spinnerClassName={'border-gray-500'} />
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)}
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</Col>
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</Row>
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<Row>
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{!user && (
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<button
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className={'btn btn-outline btn-sm mt-2 normal-case'}
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onClick={() => submitComment(presetId)}
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>
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Sign in to comment
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</button>
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)}
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</Row>
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</>
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)
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}
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function getBettorsLargestPositionBeforeTime(
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contract: Contract,
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createdTime: number,
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bets: Bet[]
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) {
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let yesFloorShares = 0,
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yesShares = 0,
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noShares = 0,
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noFloorShares = 0
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const emptyReturn = {
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userPosition: 0,
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outcome: '',
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}
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const previousBets = bets.filter(
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(prevBet) => prevBet.createdTime < createdTime && !prevBet.isAnte
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)
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if (contract.outcomeType === 'FREE_RESPONSE') {
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const answerCounts: { [outcome: string]: number } = {}
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for (const bet of previousBets) {
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if (bet.outcome) {
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if (!answerCounts[bet.outcome]) {
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answerCounts[bet.outcome] = bet.amount
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} else {
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answerCounts[bet.outcome] += bet.amount
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}
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}
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}
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const majorityAnswer =
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maxBy(Object.keys(answerCounts), (outcome) => answerCounts[outcome]) ?? ''
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return {
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userPosition: answerCounts[majorityAnswer] || 0,
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outcome: majorityAnswer,
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}
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}
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if (bets.length === 0) {
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return emptyReturn
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}
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const [yesBets, noBets] = partition(
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previousBets ?? [],
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(bet) => bet.outcome === 'YES'
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)
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yesShares = sumBy(yesBets, (bet) => bet.shares)
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noShares = sumBy(noBets, (bet) => bet.shares)
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yesFloorShares = Math.floor(yesShares)
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noFloorShares = Math.floor(noShares)
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const userPosition = yesFloorShares || noFloorShares
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const outcome = yesFloorShares > noFloorShares ? 'YES' : 'NO'
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return { userPosition, outcome }
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}
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function canCommentOnBet(bet: Bet, user?: User | null) {
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const { userId, createdTime, isRedemption } = bet
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const isSelf = user?.id === userId
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// You can comment if your bet was posted in the last hour
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return !isRedemption && isSelf && Date.now() - createdTime < 60 * 60 * 1000
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}
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