198 lines
5.6 KiB
TypeScript
198 lines
5.6 KiB
TypeScript
import { Fragment, useState } from 'react'
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import {
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compute,
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Contract,
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deleteContract,
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setContract,
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} from '../lib/firebase/contracts'
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import { Col } from './layout/col'
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import { Spacer } from './layout/spacer'
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import { ContractProbGraph } from './contract-prob-graph'
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import { ContractDetails } from './contracts-list'
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import router from 'next/router'
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import { useUser } from '../hooks/use-user'
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import { Row } from './layout/row'
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import dayjs from 'dayjs'
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import Link from 'next/link'
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function ContractDescription(props: {
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contract: Contract
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isCreator: boolean
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}) {
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const { contract, isCreator } = props
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const [editing, setEditing] = useState(false)
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const editStatement = () => `${dayjs().format('MMM D, h:mma')}: `
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const [description, setDescription] = useState(editStatement())
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// Append the new description (after a newline)
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async function saveDescription(e: any) {
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e.preventDefault()
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setEditing(false)
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contract.description = `${contract.description}\n${description}`.trim()
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await setContract(contract)
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setDescription(editStatement())
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}
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// Return a JSX span, linkifying @username, #hashtags, and https://...
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function Linkify(props: { text: string }) {
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const { text } = props
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const regex = /(?:^|\s)(?:[@#][a-z0-9_]+|https?:\/\/\S+)/gi
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const matches = text.match(regex) || []
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const links = matches.map((match) => {
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// Matches are in the form: " @username" or "https://example.com"
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const whitespace = match.match(/^\s/)
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const symbol = match.trim().substring(0, 1)
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const tag = match.trim().substring(1)
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const href =
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{
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'@': `/${tag}`,
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'#': `/tag/${tag}`,
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}[symbol] ?? match
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return (
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<>
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{whitespace}
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<Link href={href}>
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<a className="text-indigo-700 hover:underline hover:decoration-2">
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{symbol}
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{tag}
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</a>
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</Link>
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</>
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)
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})
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return (
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<span>
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{text.split(regex).map((part, i) => (
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<Fragment key={i}>
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{part}
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{links[i]}
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</Fragment>
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))}
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</span>
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)
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}
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return (
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<div className="whitespace-pre-line">
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<Linkify text={contract.description} />
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<br />
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{isCreator &&
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!contract.resolution &&
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(editing ? (
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<form className="mt-4">
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<textarea
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className="textarea h-24 textarea-bordered w-full mb-2"
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value={description}
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onChange={(e) => setDescription(e.target.value || '')}
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autoFocus
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onFocus={(e) =>
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// Focus starts at end of description.
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e.target.setSelectionRange(
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description.length,
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description.length
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)
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}
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/>
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<Row className="gap-4 justify-end">
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<button
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className="btn btn-error btn-outline btn-sm mt-2"
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onClick={() => setEditing(false)}
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>
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Cancel
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</button>
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<button
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className="btn btn-neutral btn-outline btn-sm mt-2"
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onClick={saveDescription}
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>
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Save
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</button>
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</Row>
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</form>
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) : (
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<Row className="justify-end">
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<button
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className="btn btn-neutral btn-outline btn-sm mt-4"
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onClick={() => setEditing(true)}
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>
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Add to description
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</button>
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</Row>
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))}
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</div>
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)
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}
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export const ContractOverview = (props: {
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contract: Contract
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className?: string
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}) => {
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const { contract, className } = props
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const { resolution, creatorId } = contract
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const { probPercent, volume } = compute(contract)
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const user = useUser()
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const isCreator = user?.id === creatorId
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const resolutionColor = {
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YES: 'text-primary',
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NO: 'text-red-400',
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CANCEL: 'text-yellow-400',
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'': '', // Empty if unresolved
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}[contract.resolution || '']
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return (
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<Col className={className}>
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<Col className="justify-between md:flex-row">
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<Col>
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<div className="text-3xl text-indigo-700 mb-4">
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{contract.question}
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</div>
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<ContractDetails contract={contract} />
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</Col>
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{resolution ? (
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<Col className="text-4xl mt-8 md:mt-0 md:ml-4 md:mr-6 items-end self-center md:self-start">
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<div className="text-xl text-gray-500">Resolved</div>
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<div className={resolutionColor}>{resolution}</div>
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</Col>
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) : (
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<Col className="text-4xl mt-8 md:mt-0 md:ml-4 md:mr-6 text-primary items-end self-center md:self-start">
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{probPercent}
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<div className="text-xl">chance</div>
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</Col>
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)}
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</Col>
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<Spacer h={4} />
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<ContractProbGraph contract={contract} />
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<Spacer h={12} />
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{((isCreator && !contract.resolution) || contract.description) && (
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<label className="text-gray-500 mb-2 text-sm">Description</label>
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)}
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<ContractDescription contract={contract} isCreator={isCreator} />
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{/* Show a delete button for contracts without any trading */}
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{isCreator && volume === 0 && (
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<>
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<Spacer h={8} />
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<button
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className="btn btn-xs btn-error btn-outline mt-1 max-w-fit self-end"
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onClick={async (e) => {
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e.preventDefault()
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await deleteContract(contract.id)
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router.push('/markets')
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}}
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>
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Delete
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</button>
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</>
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)}
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</Col>
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)
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}
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