111 lines
3.1 KiB
TypeScript
111 lines
3.1 KiB
TypeScript
import React, { useContext } from 'react';
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import useSWR, { useSWRInfinite } from 'swr';
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import type { MovieResult } from '../../../server/models/Search';
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import ListView from '../Common/ListView';
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import { useRouter } from 'next/router';
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import Header from '../Common/Header';
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import type { MovieDetails } from '../../../server/models/Movie';
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import { LanguageContext } from '../../context/LanguageContext';
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import { defineMessages, useIntl, FormattedMessage } from 'react-intl';
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import useSettings from '../../hooks/useSettings';
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import { MediaStatus } from '../../../server/constants/media';
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import PageTitle from '../Common/PageTitle';
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const messages = defineMessages({
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recommendations: 'Recommendations',
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recommendationssubtext: 'If you liked {title}, you might also like…',
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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: MovieResult[];
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}
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const MovieRecommendations: React.FC = () => {
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const settings = useSettings();
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const intl = useIntl();
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const router = useRouter();
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const { locale } = useContext(LanguageContext);
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const { data: movieData, error: movieError } = useSWR<MovieDetails>(
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`/api/v1/movie/${router.query.movieId}?language=${locale}`
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);
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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/movie/${router.query.movieId}/recommendations?page=${
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pageIndex + 1
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}&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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let titles = (data ?? []).reduce(
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(a, v) => [...a, ...v.results],
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[] as MovieResult[]
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);
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if (settings.currentSettings.hideAvailable) {
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titles = titles.filter(
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(i) =>
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i.mediaInfo?.status !== MediaStatus.AVAILABLE &&
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i.mediaInfo?.status !== MediaStatus.PARTIALLY_AVAILABLE
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);
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}
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const isEmpty = !isLoadingInitialData && titles?.length === 0;
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const isReachingEnd =
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isEmpty || (data && data[data.length - 1]?.results.length < 20);
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return (
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<>
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<PageTitle
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title={[intl.formatMessage(messages.recommendations), movieData?.title]}
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/>
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<div className="mt-1 mb-5">
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<Header
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subtext={
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movieData && !movieError
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? intl.formatMessage(messages.recommendationssubtext, {
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title: movieData.title,
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})
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: ''
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}
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>
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<FormattedMessage {...messages.recommendations} />
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</Header>
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</div>
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<ListView
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items={titles}
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isEmpty={isEmpty}
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isReachingEnd={isReachingEnd}
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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 MovieRecommendations;
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