501 lines
16 KiB
TypeScript
501 lines
16 KiB
TypeScript
import router, { useRouter } from 'next/router'
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import { useEffect, useState } from 'react'
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import clsx from 'clsx'
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import dayjs from 'dayjs'
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import Textarea from 'react-expanding-textarea'
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import { Spacer } from 'web/components/layout/spacer'
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import { getUserAndPrivateUser } from 'web/lib/firebase/users'
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import { Contract, contractPath } from 'web/lib/firebase/contracts'
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import { createMarket } from 'web/lib/firebase/api'
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import { FIXED_ANTE } from 'common/antes'
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import { InfoTooltip } from 'web/components/info-tooltip'
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import { Page } from 'web/components/page'
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import { Row } from 'web/components/layout/row'
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import {
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MAX_DESCRIPTION_LENGTH,
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MAX_QUESTION_LENGTH,
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outcomeType,
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visibility,
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} from 'common/contract'
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import { formatMoney } from 'common/util/format'
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import { removeUndefinedProps } from 'common/util/object'
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import { ChoicesToggleGroup } from 'web/components/choices-toggle-group'
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import { canModifyGroupContracts, getGroup } from 'web/lib/firebase/groups'
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import { Group } from 'common/group'
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import { useTracking } from 'web/hooks/use-tracking'
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import { useWarnUnsavedChanges } from 'web/hooks/use-warn-unsaved-changes'
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import { track } from 'web/lib/service/analytics'
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import { GroupSelector } from 'web/components/groups/group-selector'
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import { User } from 'common/user'
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import { TextEditor, useTextEditor } from 'web/components/editor'
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import { Checkbox } from 'web/components/checkbox'
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import { redirectIfLoggedOut } from 'web/lib/firebase/server-auth'
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import { Title } from 'web/components/title'
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import { SEO } from 'web/components/SEO'
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import { MultipleChoiceAnswers } from 'web/components/answers/multiple-choice-answers'
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export const getServerSideProps = redirectIfLoggedOut('/', async (_, creds) => {
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return { props: { auth: await getUserAndPrivateUser(creds.user.uid) } }
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})
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type NewQuestionParams = {
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groupId?: string
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q: string
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type: string
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description: string
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closeTime: string
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outcomeType: string
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// Params for PSEUDO_NUMERIC outcomeType
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min?: string
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max?: string
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isLogScale?: string
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initValue?: string
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}
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export default function Create(props: { auth: { user: User } }) {
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useTracking('view create page')
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const { user } = props.auth
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const router = useRouter()
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const params = router.query as NewQuestionParams
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// TODO: Not sure why Question is pulled out as its own component;
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// Maybe merge into newContract and then we don't need useEffect here.
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const [question, setQuestion] = useState('')
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useEffect(() => {
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setQuestion(params.q ?? '')
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}, [params.q])
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if (!router.isReady) return <div />
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return (
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<Page>
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<SEO
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title="Create a market"
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description="Create a play-money prediction market on any question."
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url="/create"
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/>
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<div className="mx-auto w-full max-w-2xl">
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<div className="rounded-lg px-6 py-4 sm:py-0">
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<Title className="!mt-0" text="Create a market" />
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<form>
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<div className="form-control w-full">
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<label className="label">
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<span className="mb-1">
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Question<span className={'text-red-700'}>*</span>
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</span>
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</label>
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<Textarea
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placeholder="e.g. Will the Democrats win the 2024 US presidential election?"
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className="input input-bordered resize-none"
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autoFocus
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maxLength={MAX_QUESTION_LENGTH}
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value={question}
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onChange={(e) => setQuestion(e.target.value || '')}
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/>
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</div>
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</form>
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<Spacer h={6} />
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<NewContract question={question} params={params} creator={user} />
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</div>
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</div>
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</Page>
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)
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}
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// Allow user to create a new contract
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export function NewContract(props: {
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creator: User
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question: string
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params?: NewQuestionParams
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}) {
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const { creator, question, params } = props
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const { groupId, initValue } = params ?? {}
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const [outcomeType, setOutcomeType] = useState<outcomeType>(
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(params?.outcomeType as outcomeType) ?? 'BINARY'
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)
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const [initialProb] = useState(50)
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const [minString, setMinString] = useState(params?.min ?? '')
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const [maxString, setMaxString] = useState(params?.max ?? '')
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const [isLogScale, setIsLogScale] = useState<boolean>(!!params?.isLogScale)
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const [initialValueString, setInitialValueString] = useState(initValue)
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// for multiple choice, init to 3 empty answers
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const [answers, setAnswers] = useState(['', '', ''])
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useEffect(() => {
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if (groupId)
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getGroup(groupId).then((group) => {
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if (group && canModifyGroupContracts(group, creator.id)) {
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setSelectedGroup(group)
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setShowGroupSelector(false)
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}
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})
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}, [creator.id, groupId])
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const [ante, _setAnte] = useState(FIXED_ANTE)
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// If params.closeTime is set, extract out the specified date and time
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// By default, close the market a week from today
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const weekFromToday = dayjs().add(7, 'day').format('YYYY-MM-DD')
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const timeInMs = Number(params?.closeTime ?? 0)
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const initDate = timeInMs
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? dayjs(timeInMs).format('YYYY-MM-DD')
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: weekFromToday
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const initTime = timeInMs ? dayjs(timeInMs).format('HH:mm') : '23:59'
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const [closeDate, setCloseDate] = useState<undefined | string>(initDate)
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const [closeHoursMinutes, setCloseHoursMinutes] = useState<string>(initTime)
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const [marketInfoText, setMarketInfoText] = useState('')
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const [isSubmitting, setIsSubmitting] = useState(false)
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const [selectedGroup, setSelectedGroup] = useState<Group | undefined>(
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undefined
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)
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const [showGroupSelector, setShowGroupSelector] = useState(true)
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const [visibility, setVisibility] = useState<visibility>('public')
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const closeTime = closeDate
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? dayjs(`${closeDate}T${closeHoursMinutes}`).valueOf()
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: undefined
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const balance = creator.balance || 0
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const min = minString ? parseFloat(minString) : undefined
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const max = maxString ? parseFloat(maxString) : undefined
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const initialValue = initialValueString
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? parseFloat(initialValueString)
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: undefined
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// get days from today until the end of this year:
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const daysLeftInTheYear = dayjs().endOf('year').diff(dayjs(), 'day')
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const isValidMultipleChoice = answers.every(
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(answer) => answer.trim().length > 0
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)
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const isValid =
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(outcomeType === 'BINARY' ? initialProb >= 5 && initialProb <= 95 : true) &&
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question.length > 0 &&
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ante !== undefined &&
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ante !== null &&
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ante <= balance &&
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// closeTime must be in the future
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closeTime &&
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closeTime > Date.now() &&
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(outcomeType !== 'PSEUDO_NUMERIC' ||
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(min !== undefined &&
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max !== undefined &&
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initialValue !== undefined &&
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isFinite(min) &&
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isFinite(max) &&
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min < max &&
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max - min > 0.01 &&
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min < initialValue &&
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initialValue < max)) &&
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(outcomeType !== 'MULTIPLE_CHOICE' || isValidMultipleChoice)
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const [errorText, setErrorText] = useState<string>('')
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useEffect(() => {
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setErrorText('')
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}, [isValid])
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const descriptionPlaceholder =
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outcomeType === 'BINARY'
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? `e.g. This question resolves to "YES" if they receive the majority of votes...`
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: `e.g. I will choose the answer according to...`
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const { editor, upload } = useTextEditor({
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max: MAX_DESCRIPTION_LENGTH,
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placeholder: descriptionPlaceholder,
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disabled: isSubmitting,
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})
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const isEditorFilled = editor != null && !editor.isEmpty
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useWarnUnsavedChanges(!isSubmitting && (Boolean(question) || isEditorFilled))
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function setCloseDateInDays(days: number) {
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const newCloseDate = dayjs().add(days, 'day').format('YYYY-MM-DD')
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setCloseDate(newCloseDate)
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}
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async function submit() {
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// TODO: Tell users why their contract is invalid
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if (!isValid) return
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setIsSubmitting(true)
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try {
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const result = await createMarket(
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removeUndefinedProps({
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question,
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outcomeType,
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description: editor?.getJSON(),
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initialProb,
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ante,
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closeTime,
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min,
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max,
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initialValue,
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isLogScale,
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answers,
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groupId: selectedGroup?.id,
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visibility,
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})
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)
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track('create market', {
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slug: result.slug,
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initialProb,
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selectedGroup: selectedGroup?.id,
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isFree: false,
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})
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await router.push(contractPath(result as Contract))
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} catch (e) {
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console.error('error creating contract', e, (e as any).details)
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setErrorText(
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(e as any).details || (e as any).message || 'Error creating contract'
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)
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setIsSubmitting(false)
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}
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}
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return (
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<div>
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<label className="label">
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<span className="mb-1">Answer type</span>
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</label>
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<ChoicesToggleGroup
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currentChoice={outcomeType}
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setChoice={(choice) => {
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if (choice === 'FREE_RESPONSE')
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setMarketInfoText(
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'Users can submit their own answers to this market.'
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)
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else setMarketInfoText('')
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setOutcomeType(choice as outcomeType)
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}}
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choicesMap={{
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'Yes / No': 'BINARY',
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// 'Multiple choice': 'MULTIPLE_CHOICE',
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// 'Free response': 'FREE_RESPONSE',
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// Numeric: 'PSEUDO_NUMERIC',
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}}
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isSubmitting={isSubmitting}
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className={'col-span-4'}
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/>
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{marketInfoText && (
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<div className="mt-3 ml-1 text-sm text-indigo-700">
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{marketInfoText}
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</div>
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)}
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<Spacer h={6} />
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{outcomeType === 'MULTIPLE_CHOICE' && (
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<MultipleChoiceAnswers answers={answers} setAnswers={setAnswers} />
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)}
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{outcomeType === 'PSEUDO_NUMERIC' && (
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<>
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<div className="form-control mb-2 items-start">
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<label className="label gap-2">
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<span className="mb-1">Range</span>
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<InfoTooltip text="The minimum and maximum numbers across the numeric range." />
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</label>
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<Row className="gap-2">
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<input
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type="number"
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className="input input-bordered w-32"
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placeholder="MIN"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setMinString(e.target.value)}
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min={Number.MIN_SAFE_INTEGER}
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max={Number.MAX_SAFE_INTEGER}
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disabled={isSubmitting}
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value={minString ?? ''}
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/>
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<input
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type="number"
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className="input input-bordered w-32"
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placeholder="MAX"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setMaxString(e.target.value)}
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min={Number.MIN_SAFE_INTEGER}
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max={Number.MAX_SAFE_INTEGER}
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disabled={isSubmitting}
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value={maxString}
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/>
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</Row>
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<Checkbox
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className="my-2 text-sm"
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label="Log scale"
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checked={isLogScale}
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toggle={() => setIsLogScale(!isLogScale)}
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disabled={isSubmitting}
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/>
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{min !== undefined && max !== undefined && min >= max && (
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<div className="mt-2 mb-2 text-sm text-red-500">
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The maximum value must be greater than the minimum.
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</div>
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)}
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</div>
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<div className="form-control mb-2 items-start">
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<label className="label gap-2">
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<span className="mb-1">Initial value</span>
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<InfoTooltip text="The starting value for this market. Should be in between min and max values." />
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</label>
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<Row className="gap-2">
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<input
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type="number"
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className="input input-bordered"
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placeholder="Initial value"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setInitialValueString(e.target.value)}
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max={Number.MAX_SAFE_INTEGER}
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disabled={isSubmitting}
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value={initialValueString ?? ''}
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/>
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</Row>
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{initialValue !== undefined &&
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min !== undefined &&
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max !== undefined &&
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min < max &&
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(initialValue <= min || initialValue >= max) && (
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<div className="mt-2 mb-2 text-sm text-red-500">
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Initial value must be in between {min} and {max}.{' '}
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</div>
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)}
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</div>
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</>
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)}
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<div className="form-control mb-1 items-start gap-1">
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<label className="label gap-2">
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<span className="mb-1">Visibility</span>
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<InfoTooltip text="Whether the market will be listed on the home page." />
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</label>
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<ChoicesToggleGroup
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currentChoice={visibility}
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setChoice={(choice) => setVisibility(choice as visibility)}
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choicesMap={{
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Public: 'public',
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Unlisted: 'unlisted',
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}}
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isSubmitting={isSubmitting}
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/>
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</div>
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<Spacer h={6} />
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<GroupSelector
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selectedGroup={selectedGroup}
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setSelectedGroup={setSelectedGroup}
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creator={creator}
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options={{ showSelector: showGroupSelector, showLabel: true }}
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/>
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<Spacer h={6} />
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<div className="form-control mb-1 items-start">
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<label className="label mb-1 gap-2">
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<span>Question closes in</span>
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<InfoTooltip text="Betting will be halted after this time (local timezone)." />
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</label>
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<Row className={'w-full items-center gap-2'}>
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<ChoicesToggleGroup
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currentChoice={dayjs(`${closeDate}T23:59`).diff(dayjs(), 'day')}
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setChoice={(choice) => {
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setCloseDateInDays(choice as number)
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}}
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choicesMap={{
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'A day': 1,
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'A week': 7,
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'30 days': 30,
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'This year': daysLeftInTheYear,
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}}
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isSubmitting={isSubmitting}
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className={'col-span-4 sm:col-span-2'}
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/>
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</Row>
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<Row>
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<input
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type={'date'}
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className="input input-bordered mt-4"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setCloseDate(e.target.value)}
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min={Date.now()}
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disabled={isSubmitting}
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value={closeDate}
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/>
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<input
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type={'time'}
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className="input input-bordered mt-4 ml-2"
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onClick={(e) => e.stopPropagation()}
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onChange={(e) => setCloseHoursMinutes(e.target.value)}
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min={'00:00'}
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disabled={isSubmitting}
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value={closeHoursMinutes}
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/>
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</Row>
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</div>
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<Spacer h={6} />
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<div className="form-control mb-1 items-start gap-1">
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<label className="label gap-2">
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<span className="mb-1">Description</span>
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<InfoTooltip text="Optional. Describe how you will resolve this question." />
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</label>
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<TextEditor editor={editor} upload={upload} />
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</div>
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<Spacer h={6} />
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<span className={'text-error'}>{errorText}</span>
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<Row className="items-end justify-between">
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<div className="form-control mb-1 items-start">
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<label className="label mb-1 gap-2">
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<span>Cost</span>
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<InfoTooltip
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text={`Cost to create your question. This amount is used to subsidize betting.`}
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/>
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</label>
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<div className="label-text text-neutral pl-1">
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{formatMoney(ante)}
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</div>
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{ante > balance && (
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<div className="mb-2 mt-2 mr-auto self-center whitespace-nowrap text-xs font-medium tracking-wide">
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<span className="mr-2 text-red-500">Insufficient balance</span>
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<button
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className="btn btn-xs btn-primary"
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onClick={() => (window.location.href = '/add-funds')}
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>
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Get M$
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</button>
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</div>
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)}
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</div>
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<button
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type="submit"
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className={clsx(
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'btn btn-primary normal-case',
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isSubmitting && 'loading disabled'
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)}
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disabled={isSubmitting || !isValid || upload.isLoading}
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onClick={(e) => {
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e.preventDefault()
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submit()
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}}
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>
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{isSubmitting ? 'Creating...' : 'Create question'}
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</button>
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</Row>
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<Spacer h={6} />
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</div>
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)
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}
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