fb6e639309
Cards stay fully clickable via thumbnail and title; downloads are managed from the video page. On the Saved page the download button remains (status/delete), and the dead .button-link styles are removed.
120 lines
10 KiB
TypeScript
120 lines
10 KiB
TypeScript
import { useEffect, useRef } from 'react'
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import { useInfiniteQuery, useQuery, useQueryClient } from '@tanstack/react-query'
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import { Link, useLocation, useParams, useSearchParams } from 'react-router-dom'
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import { getFeed, getSavedCounts, getSyncStatus, listCategories, listChannels } from '../api/client'
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import ChannelActivityList from '../components/ChannelActivityList'
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import Icon from '../components/Icon'
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import VideoCard from '../components/VideoCard'
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function VideoSkeleton() {
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return <li className="video-card" aria-hidden="true"><div className="skeleton-thumbnail" /><div className="video-info"><div className="skeleton-line wide" /><div className="skeleton-line" /><div className="skeleton-line short" /></div></li>
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}
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function Feed() {
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const location = useLocation()
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const { categoryId } = useParams<{ categoryId: string }>()
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const [searchParams] = useSearchParams()
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const search = location.pathname === '/search' ? searchParams.get('q')?.trim() ?? '' : ''
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const categoryNumber = categoryId && /^\d+$/.test(categoryId) ? Number(categoryId) : undefined
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const isLocal = location.pathname === '/local'
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const isUncategorized = location.pathname === '/uncategorized'
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const supportsViewToggle = !isLocal && location.pathname !== '/search'
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const isChannelsView = supportsViewToggle && searchParams.get('view') === 'channels'
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const viewQuery = isChannelsView ? 'view=channels' : ''
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const withView = (path: string) => viewQuery ? `${path}?${viewQuery}` : path
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const newOnly = categoryNumber !== undefined && searchParams.get('new') === '1'
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const localCategoryRaw = isLocal ? searchParams.get('category') : null
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const localCategory = localCategoryRaw && /^\d+$/.test(localCategoryRaw) ? Number(localCategoryRaw) : undefined
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const localUncategorized = isLocal && searchParams.get('uncategorized') === 'true'
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const queryClient = useQueryClient()
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const categoriesQuery = useQuery({ queryKey: ['categories'], queryFn: listCategories })
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const category = categoriesQuery.data?.find((item) => item.id === categoryNumber)
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const savedCountsQuery = useQuery({ queryKey: ['feed', 'saved-counts'], queryFn: getSavedCounts, enabled: isLocal })
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const countQuery = useQuery({
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queryKey: ['channels', isUncategorized ? 'uncategorized-count' : 'all-for-counts'],
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queryFn: () => listChannels({ subscribed: true, uncategorized: isUncategorized }),
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enabled: isUncategorized || (!categoryNumber && !isLocal && !search),
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})
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const feedQuery = useInfiniteQuery({
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queryKey: ['feed', location.pathname, search, localCategory, localUncategorized, newOnly],
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queryFn: ({ pageParam }) => getFeed({
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categoryId: isLocal ? localCategory : categoryNumber,
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uncategorized: isUncategorized || localUncategorized,
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downloaded: isLocal,
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search,
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newOnly,
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cursor: pageParam,
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}),
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initialPageParam: undefined as string | undefined,
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getNextPageParam: (lastPage) => lastPage.next_cursor ?? undefined,
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enabled: (!categoryId || categoryNumber !== undefined) && !isChannelsView,
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})
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const syncStatusQuery = useQuery({
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queryKey: ['sync-status'], queryFn: getSyncStatus,
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refetchInterval: (query) => query.state.data?.videos.running ? 2000 : 60_000,
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})
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const syncRunning = Boolean(syncStatusQuery.data?.subscriptions.running || syncStatusQuery.data?.videos.running)
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const finishedAt = syncStatusQuery.data?.videos.finished_at
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const previousFinished = useRef(finishedAt)
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useEffect(() => {
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if (finishedAt && previousFinished.current !== finishedAt) {
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queryClient.invalidateQueries({ queryKey: ['feed'] })
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queryClient.invalidateQueries({ queryKey: ['channel-activity'] })
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}
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previousFinished.current = finishedAt
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}, [finishedAt, queryClient])
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const subscriptionsFinished = syncStatusQuery.data?.subscriptions.finished_at
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const previousSubscriptionsFinished = useRef(subscriptionsFinished)
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useEffect(() => {
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if (subscriptionsFinished && previousSubscriptionsFinished.current !== subscriptionsFinished) {
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queryClient.invalidateQueries({ queryKey: ['channels'] })
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queryClient.invalidateQueries({ queryKey: ['channel-activity'] })
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}
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previousSubscriptionsFinished.current = subscriptionsFinished
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}, [subscriptionsFinished, queryClient])
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const title = search ? `Поиск: ${search}` : isLocal ? 'На сервере' : isUncategorized ? 'Без категории' : categoryId ? category?.name ?? 'Категория' : 'Все видео'
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const subtitle = newOnly ? 'Только новые видео' : search ? 'Результаты в вашей ленте' : isLocal ? 'Видео, которые вы сохранили для просмотра' : isUncategorized ? `${countQuery.data?.length ?? '…'} каналов пока без категории` : category ? `${category.channel_count} каналов в категории` : isChannelsView ? 'Каналы, отсортированные по свежести видео' : `${countQuery.data?.length ?? '…'} подписок в вашей ленте`
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const items = feedQuery.data?.pages.flatMap((page) => page.items) ?? []
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useEffect(() => {
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if (isChannelsView || feedQuery.isLoading) return
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const key = `feed-scroll:${location.pathname + location.search}`
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const saved = sessionStorage.getItem(key)
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if (saved) {
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sessionStorage.removeItem(key)
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requestAnimationFrame(() => window.scrollTo(0, Number(saved)))
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}
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}, [isChannelsView, feedQuery.isLoading, location.pathname, location.search])
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const hasInvalidCategory = Boolean(categoryId && !categoryNumber)
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return <section className="page">
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<div className="page-heading">
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<div><p className="eyebrow">Моя лента</p><h1>{title}</h1><p className="page-subtitle">{subtitle}{newOnly && <> · <Link to={`/category/${categoryNumber}`}>Показать все</Link></>}</p></div>
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{supportsViewToggle && <div className="view-toggle" role="group" aria-label="Режим просмотра">
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<Link to={location.pathname} className={!isChannelsView ? 'active' : ''} aria-current={!isChannelsView ? 'page' : undefined}>Лента</Link>
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<Link to={{ pathname: location.pathname, search: 'view=channels' }} className={isChannelsView ? 'active' : ''} aria-current={isChannelsView ? 'page' : undefined}>Каналы</Link>
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</div>}
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</div>
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<nav className="mobile-category-nav" aria-label="Категории">
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<Link to={withView('/')} className={location.pathname === '/' ? 'active' : ''}>Все</Link>
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<Link to={withView('/uncategorized')} className={isUncategorized ? 'active' : ''}>Без категории</Link>
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<Link to="/local" className={isLocal ? 'active' : ''}>На сервере</Link>
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{categoriesQuery.data?.map((item) => <Link key={item.id} to={withView(`/category/${item.id}`)} className={categoryNumber === item.id ? 'active' : ''}>{item.name}</Link>)}
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</nav>
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{isLocal && <nav className="local-filter-nav" aria-label="Фильтр сохранённых видео">
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<Link to="/local" className={!localCategory && !localUncategorized ? 'active' : ''}>Все <span>{savedCountsQuery.data?.all ?? '…'}</span></Link>
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<Link to="/local?uncategorized=true" className={localUncategorized ? 'active' : ''}>Без категории <span>{savedCountsQuery.data?.uncategorized ?? '…'}</span></Link>
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{categoriesQuery.data?.map((item) => <Link key={item.id} to={`/local?category=${item.id}`} className={localCategory === item.id ? 'active' : ''}>{item.name} <span>{savedCountsQuery.data?.categories[String(item.id)] ?? 0}</span></Link>)}
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</nav>}
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{syncStatusQuery.data?.videos.status === 'failed' && <div className="notice error-notice" role="status"><Icon name="alert" size={18} />Последнее обновление видео завершилось ошибкой. Попробуйте позже.</div>}
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{location.pathname === '/' && (countQuery.data?.length ?? 0) > 0 && categoriesQuery.data?.length === 0 && <div className="notice onboarding-notice"><Icon name="folder" size={19} /><span>Каналы уже в ленте. Разложи их по темам, чтобы быстрее находить видео.</span><Link to="/channels">Настроить категории <Icon name="chevron" size={15} /></Link></div>}
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{hasInvalidCategory || (categoryId && categoriesQuery.data && !category) ? <div className="empty-state"><h2>Категория не найдена</h2><Link className="button-primary" to="/">Ко всем видео</Link></div> : isChannelsView ? <ChannelActivityList categoryId={categoryNumber} uncategorized={isUncategorized} syncRunning={syncRunning} /> : <>
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{feedQuery.isLoading && <ul className="video-grid">{Array.from({ length: 8 }, (_, index) => <VideoSkeleton key={index} />)}</ul>}
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{feedQuery.isError && <div className="empty-state" role="alert"><Icon name="alert" size={28} /><h2>Не удалось загрузить видео</h2><p>Проверь соединение и попробуй ещё раз.</p><button className="button-primary" onClick={() => feedQuery.refetch()}>Повторить</button></div>}
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{!feedQuery.isLoading && !feedQuery.isError && items.length > 0 && <ul className="video-grid">{items.map((video) => <VideoCard key={video.youtube_video_id} video={video} showActions={isLocal} />)}</ul>}
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{!feedQuery.isLoading && !feedQuery.isError && items.length === 0 && <div className="empty-state"><span className="empty-icon"><Icon name={syncRunning ? 'refresh' : isLocal ? 'server' : search ? 'search' : 'folder'} size={28} /></span><h2>{syncRunning ? 'Загружаем новые видео' : search ? 'Ничего не найдено' : isLocal ? 'Пока нет сохранённых видео' : isUncategorized ? 'Все каналы распределены' : 'Здесь пока нет видео'}</h2><p>{syncRunning ? 'Подписки и лента обновляются. Видео появятся здесь автоматически.' : search ? 'Попробуй другой запрос.' : isLocal ? 'Нажми «Скачать» у понравившегося ролика, и он появится здесь.' : 'Добавь каналы в категорию или обнови ленту.'}</p>{!search && !isLocal && !syncRunning && <Link className="button-primary" to="/channels">Перейти к каналам</Link>}</div>}
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{feedQuery.hasNextPage && <button className="button-secondary load-more" onClick={() => feedQuery.fetchNextPage()} disabled={feedQuery.isFetchingNextPage}>{feedQuery.isFetchingNextPage ? 'Загрузка…' : 'Показать ещё'}</button>}
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</>}
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</section>
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}
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export default Feed
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