111 lines
3.4 KiB
TypeScript
111 lines
3.4 KiB
TypeScript
import React, { useEffect, useState } from 'react'
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import Router, { useRouter } from 'next/router'
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import { PlusSmIcon } from '@heroicons/react/solid'
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import { Page } from 'web/components/page'
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import { Col } from 'web/components/layout/col'
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import { useUser } from 'web/hooks/use-user'
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import { ContractSearch } from 'web/components/contract-search'
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import { Contract } from 'common/contract'
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import { ContractPageContent } from './[username]/[contractSlug]'
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import { getContractFromSlug } from 'web/lib/firebase/contracts'
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const Home = () => {
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const user = useUser()
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const [contract, setContract] = useContractPage()
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const router = useRouter()
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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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<>
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<Page assertUser="signed-in" suspend={!!contract}>
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<Col className="mx-auto w-full p-2">
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<ContractSearch
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querySortOptions={{
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shouldLoadFromStorage: true,
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defaultSort: '24-hour-vol',
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}}
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showCategorySelector
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onContractClick={(c) => {
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// Show contract without navigating to contract page.
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setContract(c)
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// Update the url without switching pages in Nextjs.
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history.pushState(null, '', `/${c.creatorUsername}/${c.slug}`)
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}}
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/>
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</Col>
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<button
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type="button"
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className="fixed bottom-[70px] right-3 inline-flex items-center rounded-full border border-transparent bg-indigo-600 p-3 text-white shadow-sm hover:bg-indigo-700 focus:outline-none focus:ring-2 focus:ring-indigo-500 focus:ring-offset-2 lg:hidden"
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onClick={() => router.push('/create')}
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>
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<PlusSmIcon className="h-8 w-8" aria-hidden="true" />
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</button>
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</Page>
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{contract && (
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<ContractPageContent
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contract={contract}
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username={contract.creatorUsername}
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slug={contract.slug}
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bets={[]}
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comments={[]}
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backToHome={() => {
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history.back()
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}}
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/>
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)}
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</>
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)
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}
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const useContractPage = () => {
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const [contract, setContract] = useState<Contract | undefined>()
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useEffect(() => {
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const onBack = () => {
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const path = location.pathname.split('/').slice(1)
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if (path[0] === 'home') setContract(undefined)
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else {
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const [username, contractSlug] = path
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if (!username || !contractSlug) setContract(undefined)
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else {
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// Show contract if route is to a contract: '/[username]/[contractSlug]'.
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getContractFromSlug(contractSlug).then(setContract)
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}
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}
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}
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window.addEventListener('popstate', onBack)
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// Hack. Listen to changes in href to clear contract on navigate home.
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let href = document.location.href
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const observer = new MutationObserver(function (_mutations) {
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if (href != document.location.href) {
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href = document.location.href
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const path = location.pathname.split('/').slice(1)
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if (path[0] === 'home') setContract(undefined)
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}
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})
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observer.observe(document, { subtree: true, childList: true })
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return () => {
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window.removeEventListener('popstate', onBack)
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observer.disconnect()
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}
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}, [])
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useEffect(() => {
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if (contract) window.scrollTo(0, 0)
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}, [contract])
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return [contract, setContract] as const
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}
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export default Home
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