lbry-desktop/ui/page/search/view.jsx
2021-10-20 17:05:37 -04:00

105 lines
3.2 KiB
JavaScript

// @flow
import React, { useEffect } from 'react';
import Lbry from 'lbry';
import { parseURI, isNameValid } from 'util/lbryURI';
import ClaimList from 'component/claimList';
import Page from 'component/page';
import SearchOptions from 'component/searchOptions';
import SearchTopClaim from 'component/searchTopClaim';
import { formatLbryUrlForWeb } from 'util/url';
import { useHistory } from 'react-router';
import { SEARCH_PAGE_SIZE } from 'constants/search';
type Props = {
urlQuery: string,
searchOptions: SearchOptions,
search: (string, SearchOptions) => void,
isSearching: boolean,
uris: Array<string>,
isAuthenticated: boolean,
hasReachedMaxResultsLength: boolean,
};
export default function SearchPage(props: Props) {
const { urlQuery, searchOptions, search, uris, isSearching, hasReachedMaxResultsLength } = props;
const { push } = useHistory();
const [from, setFrom] = React.useState(0);
const modifiedUrlQuery = urlQuery.trim().replace(/\s+/g, '').replace(/:/g, '#');
const uriFromQuery = `lbry://${modifiedUrlQuery}`;
let streamName;
let channelName;
let isValid = true;
try {
({ streamName, channelName } = parseURI(uriFromQuery));
if (
(!streamName && !channelName) ||
(streamName && !isNameValid(streamName)) ||
(channelName && !isNameValid(channelName))
) {
isValid = false;
}
} catch (e) {
isValid = false;
}
let claimId;
// Navigate directly to a claim if a claim_id is pasted into the search bar
if (!/\s/.test(urlQuery) && urlQuery.length === 40) {
try {
const dummyUrlForClaimId = `x#${urlQuery}`;
({ claimId } = parseURI(dummyUrlForClaimId));
Lbry.claim_search({ claim_id: claimId }).then((res) => {
if (res.items && res.items.length) {
const claim = res.items[0];
const url = formatLbryUrlForWeb(claim.canonical_url);
push(url);
}
});
} catch (e) {}
}
const stringifiedSearchOptions = JSON.stringify(searchOptions);
useEffect(() => {
if (urlQuery) {
const searchOptions = JSON.parse(stringifiedSearchOptions);
search(urlQuery, { ...searchOptions, from: from });
}
}, [search, urlQuery, stringifiedSearchOptions, from]);
function loadMore() {
if (!isSearching && !hasReachedMaxResultsLength) {
setFrom(from + SEARCH_PAGE_SIZE);
}
}
function resetPage() {
setFrom(0);
}
return (
<Page>
<section className="search">
{urlQuery && (
<>
{isValid && <SearchTopClaim query={modifiedUrlQuery} isSearching={isSearching} />}
<ClaimList
uris={uris}
loading={isSearching}
onScrollBottom={loadMore}
// 'page' is 1-indexed; It's not the same as 'from', but it just
// needs to be unique to indicate when a fetch is needed.
page={from + 1}
pageSize={SEARCH_PAGE_SIZE}
header={<SearchOptions additionalOptions={searchOptions} onSearchOptionsChanged={resetPage} />}
/>
<div className="main--empty help">{__('These search results are provided by LBRY, Inc.')}</div>
</>
)}
</section>
</Page>
);
}