manifold/web/components/contract/prob-change-table.tsx
2022-10-06 12:01:00 -07:00

77 lines
2.2 KiB
TypeScript

import clsx from 'clsx'
import { CPMMContract } from 'common/contract'
import { formatPercent } from 'common/util/format'
import { sortBy } from 'lodash'
import { Col } from '../layout/col'
import { LoadingIndicator } from '../loading-indicator'
import { ContractCardProbChange } from './contract-card'
export function ProbChangeTable(props: {
changes: CPMMContract[] | undefined
full?: boolean
}) {
const { changes, full } = props
if (!changes) return <LoadingIndicator />
const descendingChanges = sortBy(changes, (c) => c.probChanges.day).reverse()
const ascendingChanges = sortBy(changes, (c) => c.probChanges.day)
const threshold = 0.01
const positiveAboveThreshold = descendingChanges.filter(
(c) => c.probChanges.day > threshold
)
const negativeAboveThreshold = ascendingChanges.filter(
(c) => c.probChanges.day < threshold
)
const maxRows = Math.min(
positiveAboveThreshold.length,
negativeAboveThreshold.length
)
const rows = full ? maxRows : Math.min(3, maxRows)
const filteredPositiveChanges = positiveAboveThreshold.slice(0, rows)
const filteredNegativeChanges = negativeAboveThreshold.slice(0, rows)
if (rows === 0) return <div className="px-4 text-gray-500">None</div>
return (
<Col className="mb-4 w-full gap-4 rounded-lg md:flex-row">
<Col className="flex-1">
{filteredPositiveChanges.map((contract) => (
<ContractCardProbChange key={contract.id} contract={contract} />
))}
</Col>
<Col className="flex-1">
{filteredNegativeChanges.map((contract) => (
<ContractCardProbChange key={contract.id} contract={contract} />
))}
</Col>
</Col>
)
}
export function ProbChange(props: {
contract: CPMMContract
className?: string
}) {
const { contract, className } = props
const {
prob,
probChanges: { day: change },
} = contract
const color = change >= 0 ? 'text-green-500' : 'text-red-500'
return (
<Col className={clsx('flex flex-col items-end', className)}>
<div className="mb-0.5 mr-0.5 text-2xl">
{formatPercent(Math.round(100 * prob) / 100)}
</div>
<div className={clsx('text-base', color)}>
{(change > 0 ? '+' : '') + (change * 100).toFixed(0) + '%'}
</div>
</Col>
)
}