148 lines
4.2 KiB
TypeScript
148 lines
4.2 KiB
TypeScript
import React from 'react'
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import Router from 'next/router'
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import _ from 'lodash'
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import { Contract, listAllContracts } from '../lib/firebase/contracts'
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import { Page } from '../components/page'
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import { ActivityFeed, findActiveContracts } from './activity'
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import { Comment, getRecentComments } from '../lib/firebase/comments'
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import { Bet, getRecentBets } from '../lib/firebase/bets'
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import FeedCreate from '../components/feed-create'
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import { Spacer } from '../components/layout/spacer'
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import { Col } from '../components/layout/col'
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import { useUser } from '../hooks/use-user'
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import { useUpdatedContracts } from '../hooks/use-contracts'
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import { listAllFolds } from '../lib/firebase/folds'
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import { Fold } from '../../common/fold'
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import { filterDefined } from '../../common/util/array'
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import { useUserBetContracts } from '../hooks/use-user-bets'
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import { LoadingIndicator } from '../components/loading-indicator'
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import { Row } from '../components/layout/row'
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import { SparklesIcon } from '@heroicons/react/solid'
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import { useFollowedFolds } from '../hooks/use-fold'
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import { FastFoldFollowing } from '../components/fast-fold-following'
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export async function getStaticProps() {
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let [contracts, folds] = await Promise.all([
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listAllContracts().catch((_) => []),
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listAllFolds().catch(() => []),
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])
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const [recentBets, recentComments] = await Promise.all([
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getRecentBets(),
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getRecentComments(),
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])
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return {
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props: {
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contracts,
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recentBets,
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recentComments,
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folds,
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},
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revalidate: 60, // regenerate after a minute
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}
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}
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const Home = (props: {
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contracts: Contract[]
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folds: Fold[]
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recentBets: Bet[]
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recentComments: Comment[]
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}) => {
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const { folds, recentBets, recentComments } = props
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const user = useUser()
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const contracts = useUpdatedContracts(props.contracts)
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const followedFoldIds = useFollowedFolds(user)
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const followedFolds = filterDefined(
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(followedFoldIds ?? []).map((id) => folds.find((fold) => fold.id === id))
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)
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const tagSet = new Set(
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_.flatten(followedFolds.map((fold) => fold.lowercaseTags))
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)
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const yourBetContractIds = useUserBetContracts(user?.id)
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const yourBetContracts = yourBetContractIds
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? new Set(yourBetContractIds)
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: undefined
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// Show no contracts before your info is loaded.
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let feedContracts: Contract[] = []
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if (yourBetContracts && followedFoldIds) {
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// Show all contracts if no folds are followed.
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if (followedFoldIds.length === 0) feedContracts = contracts
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else
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feedContracts = contracts.filter(
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(contract) =>
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contract.lowercaseTags.some((tag) => tagSet.has(tag)) ||
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yourBetContracts.has(contract.id)
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)
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}
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const activeContracts = findActiveContracts(
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feedContracts,
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recentComments,
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recentBets,
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365
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)
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const betsByContract = _.groupBy(recentBets, (bet) => bet.contractId)
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const activeBets = activeContracts.map(
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(contract) => betsByContract[contract.id] ?? []
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)
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const commentsByContract = _.groupBy(
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recentComments,
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(comment) => comment.contractId
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)
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const activeComments = activeContracts.map(
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(contract) => commentsByContract[contract.id] ?? []
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)
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if (user === null) {
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Router.replace('/')
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return <></>
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}
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return (
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<Page assertUser="signed-in">
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<Col className="items-center">
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<Col className="w-full max-w-3xl">
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<FeedCreate user={user ?? undefined} />
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<Spacer h={6} />
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{followedFolds.length === 0 && (
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<FastFoldFollowing
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user={user}
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followedFoldSlugs={followedFolds.map((f) => f.slug)}
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/>
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)}
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<Col className="mx-3 mb-3 gap-2 text-sm text-gray-800 sm:flex-row">
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<Row className="gap-2">
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<SparklesIcon className="inline h-5 w-5" aria-hidden="true" />
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<span className="whitespace-nowrap">Recent activity</span>
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</Row>
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</Col>
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{activeContracts ? (
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<ActivityFeed
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contracts={activeContracts}
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contractBets={activeBets}
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contractComments={activeComments}
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/>
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) : (
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<LoadingIndicator className="mt-4" />
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)}
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</Col>
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</Col>
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</Page>
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)
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}
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export default Home
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