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import React, { useContext } from 'react';
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import { useSWRInfinite } from 'swr';
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import { TvResult } from '../../../server/models/Search';
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import ListView from '../Common/ListView';
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import { defineMessages, FormattedMessage } from 'react-intl';
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import { LanguageContext } from '../../context/LanguageContext';
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const messages = defineMessages({
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discovertv: 'Discover Series',
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});
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interface SearchResult {
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page: number;
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totalResults: number;
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totalPages: number;
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results: TvResult[];
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}
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const DiscoverTv: React.FC = () => {
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const { locale } = useContext(LanguageContext);
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const { data, error, size, setSize } = useSWRInfinite<SearchResult>(
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(pageIndex: number, previousPageData: SearchResult | null) => {
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if (previousPageData && pageIndex + 1 > previousPageData.totalPages) {
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return null;
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}
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return `/api/v1/discover/tv?page=${pageIndex + 1}&language=${locale}`;
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},
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{
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initialSize: 3,
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}
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);
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const isLoadingInitialData = !data && !error;
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const isLoadingMore =
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isLoadingInitialData ||
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(size > 0 && data && typeof data[size - 1] === 'undefined');
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const fetchMore = () => {
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setSize(size + 1);
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};
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if (error) {
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return <div>{error}</div>;
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}
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const titles = data?.reduce((a, v) => [...a, ...v.results], [] as TvResult[]);
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return (
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<>
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<div className="md:flex md:items-center md:justify-between mb-8 mt-6">
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<div className="flex-1 min-w-0">
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<h2 className="text-xl leading-7 text-white sm:text-2xl sm:leading-9 sm:truncate">
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<FormattedMessage {...messages.discovertv} />
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</h2>
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</div>
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</div>
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<ListView
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items={titles}
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isEmpty={!isLoadingInitialData && titles?.length === 0}
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isLoading={
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isLoadingInitialData || (isLoadingMore && (titles?.length ?? 0) > 0)
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}
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onScrollBottom={fetchMore}
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/>
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</>
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);
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};
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export default DiscoverTv;
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