manifold/web/components/answers/answer-item.tsx
2022-03-02 22:20:35 -05:00

202 lines
6.5 KiB
TypeScript

import clsx from 'clsx'
import _ from 'lodash'
import { useState } from 'react'
import { Answer } from '../../../common/answer'
import { DPM, FreeResponse, FullContract } from '../../../common/contract'
import { Col } from '../layout/col'
import { Row } from '../layout/row'
import { Avatar } from '../avatar'
import { SiteLink } from '../site-link'
import { BuyButton } from '../yes-no-selector'
import { formatPercent } from '../../../common/util/format'
import { getOutcomeProbability } from '../../../common/calculate-dpm'
import { tradingAllowed } from '../../lib/firebase/contracts'
import { AnswerBetPanel } from './answer-bet-panel'
import { ContractFeed } from '../contract-feed'
import { Linkify } from '../linkify'
export function AnswerItem(props: {
answer: Answer
contract: FullContract<DPM, FreeResponse>
showChoice: 'radio' | 'checkbox' | undefined
chosenProb: number | undefined
totalChosenProb?: number
onChoose: (answerId: string, prob: number) => void
onDeselect: (answerId: string) => void
}) {
const {
answer,
contract,
showChoice,
chosenProb,
totalChosenProb,
onChoose,
onDeselect,
} = props
const { resolution, resolutions, totalShares } = contract
const { username, avatarUrl, name, number, text } = answer
const isChosen = chosenProb !== undefined
const prob = getOutcomeProbability(totalShares, answer.id)
const roundedProb = Math.round(prob * 100)
const probPercent = formatPercent(prob)
const wasResolvedTo =
resolution === answer.id || (resolutions && resolutions[answer.id])
const [isBetting, setIsBetting] = useState(false)
const canBet = !isBetting && !showChoice && tradingAllowed(contract)
return (
<div
className={clsx(
'flex flex-col gap-4 rounded p-4 sm:flex-row',
wasResolvedTo
? resolution === 'MKT'
? 'mb-2 bg-blue-50'
: 'mb-8 bg-green-50'
: chosenProb === undefined
? 'bg-gray-50'
: showChoice === 'radio'
? 'bg-green-50'
: 'bg-blue-50',
canBet && 'cursor-pointer hover:bg-gray-100'
)}
onClick={() => canBet && setIsBetting(true)}
>
<Col className="flex-1 gap-3">
<div className="whitespace-pre-line">
<Linkify text={text} />
</div>
<Row className="items-center gap-2 text-sm text-gray-500">
<SiteLink className="relative" href={`/${username}`}>
<Row className="items-center gap-2">
<Avatar avatarUrl={avatarUrl} size={6} />
<div className="truncate">{name}</div>
</Row>
</SiteLink>
{/* TODO: Show total pool? */}
<div className="text-base">#{number}</div>
</Row>
{isBetting && (
<ContractFeed
contract={contract}
bets={[]}
comments={[]}
feedType="multi"
outcome={answer.id}
/>
)}
</Col>
{isBetting ? (
<AnswerBetPanel
answer={answer}
contract={contract}
closePanel={() => setIsBetting(false)}
className="sm:w-72"
/>
) : (
<Row className="items-center justify-end gap-4 self-end sm:self-start">
{!wasResolvedTo &&
(showChoice === 'checkbox' ? (
<input
className="input input-bordered w-24 justify-self-end text-2xl"
type="number"
placeholder={`${roundedProb}`}
maxLength={9}
value={chosenProb ? Math.round(chosenProb) : ''}
onChange={(e) => {
const { value } = e.target
const numberValue = value
? parseInt(value.replace(/[^\d]/, ''))
: 0
if (!isNaN(numberValue)) onChoose(answer.id, numberValue)
}}
/>
) : (
<div
className={clsx(
'text-2xl',
tradingAllowed(contract) ? 'text-green-500' : 'text-gray-500'
)}
>
{probPercent}
</div>
))}
{showChoice ? (
<div className="form-control py-1">
<label className="label cursor-pointer gap-3">
<span className="">Choose this answer</span>
{showChoice === 'radio' && (
<input
className={clsx('radio', chosenProb && '!bg-green-500')}
type="radio"
name="opt"
checked={isChosen}
onChange={() => onChoose(answer.id, 1)}
value={answer.id}
/>
)}
{showChoice === 'checkbox' && (
<input
className={clsx('checkbox', chosenProb && '!bg-blue-500')}
type="checkbox"
name="opt"
checked={isChosen}
onChange={() => {
if (isChosen) onDeselect(answer.id)
else {
onChoose(answer.id, 100 * prob)
}
}}
value={answer.id}
/>
)}
</label>
{showChoice === 'checkbox' && (
<div className="ml-1">
{chosenProb && totalChosenProb
? Math.round((100 * chosenProb) / totalChosenProb)
: 0}
% share
</div>
)}
</div>
) : (
<>
{tradingAllowed(contract) && (
<BuyButton
className="btn-md flex-initial justify-end self-end !px-8"
onClick={() => {
setIsBetting(true)
}}
/>
)}
{wasResolvedTo && (
<Col className="items-end">
<div
className={clsx(
'text-xl',
resolution === 'MKT' ? 'text-blue-700' : 'text-green-700'
)}
>
Chosen{' '}
{resolutions
? `${Math.round(resolutions[answer.id])}%`
: ''}
</div>
<div className="text-2xl text-gray-500">{probPercent}</div>
</Col>
)}
</>
)}
</Row>
)}
</div>
)
}