manifold/web/pages/markets.tsx
2021-12-14 02:23:32 -08:00

144 lines
4.4 KiB
TypeScript

import Link from 'next/link'
import React, { useEffect, useState } from 'react'
import { Header } from '../components/header'
import { Col } from '../components/layout/col'
import { Row } from '../components/layout/row'
import { Title } from '../components/title'
import { compute, listAllContracts } from '../lib/firebase/contracts'
import { Contract } from '../lib/firebase/contracts'
import { formatWithCommas } from '../lib/util/format'
export function ContractDetails(props: { contract: Contract }) {
const { contract } = props
const { volume, createdDate } = compute(contract)
return (
<Row className="flex-wrap text-sm text-gray-500">
<div className="whitespace-nowrap">By {contract.creatorName}</div>
<div className="mx-2"></div>
<div className="whitespace-nowrap">{createdDate}</div>
<div className="mx-2"></div>
<div className="whitespace-nowrap">{formatWithCommas(volume)} vol</div>
</Row>
)
}
function ContractCard(props: { contract: Contract }) {
const { contract } = props
const { probPercent } = compute(contract)
return (
<Link href={`/contract/${contract.id}`}>
<a>
<li className="col-span-1 bg-white hover:bg-gray-100 shadow-xl rounded-lg divide-y divide-gray-200">
<div className="card">
<div className="card-body p-6">
<div className="flex justify-between gap-2">
{/* Left side of card */}
<div>
<p className="font-medium text-indigo-700 mb-8">
{contract.question}
</p>
<ContractDetails contract={contract} />
</div>
{/* Right side of card */}
<Col>
<Col className="text-4xl mx-auto items-end">
{contract.resolution || (
<div className="text-primary">
{probPercent}
<div className="text-lg">chance</div>
</div>
)}
</Col>
</Col>
</div>
</div>
</div>
</li>
</a>
</Link>
)
}
export function ContractsGrid(props: { contracts: Contract[] }) {
const { contracts } = props
return (
<ul
role="list"
className="grid grid-cols-1 gap-6 sm:grid-cols-1 lg:grid-cols-2"
>
{contracts.map((contract) => (
<ContractCard contract={contract} key={contract.id} />
))}
{/* TODO: Show placeholder if empty */}
</ul>
)
}
export default function Markets() {
const [contracts, setContracts] = useState<Contract[]>([])
useEffect(() => {
listAllContracts().then(setContracts)
}, [])
const [query, setQuery] = useState('')
type Sort = 'createdTime' | 'volume'
const [sort, setSort] = useState('volume')
function check(corpus: String) {
return corpus.toLowerCase().includes(query.toLowerCase())
}
const matches = contracts.filter(
(c) => check(c.question) || check(c.description) || check(c.creatorName)
)
function volume(contract: Contract) {
return (
contract.pot.YES +
contract.pot.NO -
contract.seedAmounts.YES -
contract.seedAmounts.NO
)
}
if (sort === 'createdTime') {
matches.sort((a, b) => b.createdTime - a.createdTime)
} else if (sort === 'volume') {
matches.sort((a, b) => volume(b) - volume(a))
}
return (
<div>
<Header />
<div className="max-w-4xl py-8 mx-auto">
{/* Show a search input next to a sort dropdown */}
<div className="flex justify-between gap-2">
<input
type="text"
value={query}
onChange={(e) => setQuery(e.target.value)}
placeholder="Search markets"
className="input input-bordered w-full"
/>
<select
className="select select-bordered"
value={sort}
onChange={(e) => setSort(e.target.value as Sort)}
>
<option value="volume">Most traded</option>
<option value="createdTime">Newest first</option>
</select>
</div>
<Title text="Open markets" className="mt-16" />
<ContractsGrid contracts={matches.filter((c) => !c.resolution)} />
<Title text="Resolved markets" className="mt-16" />
<ContractsGrid contracts={matches.filter((c) => c.resolution)} />
</div>
</div>
)
}