kv-tube/frontend/app/feed/subscriptions/page.tsx
2026-03-26 13:11:20 +07:00

277 lines
11 KiB
TypeScript

'use client';
import Link from 'next/link';
import { useState, useEffect, useCallback } from 'react';
import { getChannelVideosClient, getChannelInfoClient } from '../../clientActions';
import { VideoData } from '../../constants';
import LoadingSpinner from '../../components/LoadingSpinner';
const API_BASE = process.env.NEXT_PUBLIC_API_URL || 'http://127.0.0.1:8080/api';
interface Subscription {
channel_id: string;
channel_name: string;
channel_avatar: string;
}
const DEFAULT_THUMBNAIL = 'data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="320" height="180" viewBox="0 0 320 180"><rect fill="%23333" width="320" height="180"/><text x="160" y="90" text-anchor="middle" fill="%23666" font-family="Arial" font-size="14">No thumbnail</text></svg>';
interface ChannelVideos {
subscription: Subscription;
videos: VideoData[];
channelInfo: any;
}
// Fetch subscriptions from backend API
async function fetchSubscriptions(): Promise<Subscription[]> {
try {
const res = await fetch(`${API_BASE}/subscriptions`, { cache: 'no-store' });
if (!res.ok) return [];
const data = await res.json();
return Array.isArray(data) ? data : [];
} catch (e) {
console.error('Failed to fetch subscriptions:', e);
return [];
}
}
const INITIAL_ROWS = 2;
const VIDEOS_PER_ROW = 5;
const MAX_ROWS = 5;
function formatViews(views: number): string {
if (views >= 1000000) return (views / 1000000).toFixed(1) + 'M';
if (views >= 1000) return (views / 1000).toFixed(1) + 'K';
return views.toString();
}
function ChannelSection({ channelVideos, defaultExpanded = false }: { channelVideos: ChannelVideos; defaultExpanded?: boolean }) {
const { subscription, videos } = channelVideos;
const [expanded, setExpanded] = useState(defaultExpanded);
const handleImageError = useCallback((e: React.SyntheticEvent<HTMLImageElement>) => {
const img = e.target as HTMLImageElement;
if (img.src !== DEFAULT_THUMBNAIL) {
img.src = DEFAULT_THUMBNAIL;
}
}, []);
if (videos.length === 0) return null;
const initialCount = INITIAL_ROWS * VIDEOS_PER_ROW;
const maxCount = MAX_ROWS * VIDEOS_PER_ROW;
const displayedVideos = expanded ? videos.slice(0, maxCount) : videos.slice(0, initialCount);
const hasMore = videos.length > initialCount;
return (
<section style={{ marginBottom: '32px' }}>
<Link
href={`/channel/${subscription.channel_id}`}
style={{
display: 'flex',
alignItems: 'center',
gap: '12px',
marginBottom: '16px',
padding: '0 12px',
}}
>
<div style={{
width: '40px',
height: '40px',
borderRadius: '50%',
background: 'var(--yt-avatar-bg)',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
fontSize: '18px',
color: '#fff',
fontWeight: '600',
overflow: 'hidden',
}}>
{subscription.channel_avatar ? (
<img src={subscription.channel_avatar} alt="" style={{ width: '100%', height: '100%', objectFit: 'cover' }} />
) : (
subscription.channel_name ? subscription.channel_name[0].toUpperCase() : '?'
)}
</div>
<span style={{ fontSize: '13px', fontWeight: '500', color: 'var(--yt-text-primary)', textAlign: 'center' }}>
{subscription.channel_name || subscription.channel_id}
</span>
</Link>
<div style={{
display: 'grid',
gridTemplateColumns: 'repeat(auto-fill, minmax(250px, 1fr))',
gap: '16px',
padding: '0 12px',
}}>
{displayedVideos.map((video) => {
const relativeTime = video.publishedAt || video.upload_date || 'recently';
const destination = `/watch?v=${video.id}`;
const thumbnailSrc = video.thumbnail || DEFAULT_THUMBNAIL;
return (
<Link
key={video.id}
href={destination}
style={{
display: 'flex',
flexDirection: 'column',
gap: '8px',
borderRadius: '12px',
overflow: 'hidden',
}}
className="card-hover-lift"
>
<div style={{ position: 'relative', aspectRatio: '16/9', borderRadius: '12px', overflow: 'hidden' }}>
<img
src={thumbnailSrc}
alt={video.title}
style={{ width: '100%', height: '100%', objectFit: 'cover' }}
onError={handleImageError}
/>
{video.duration && (
<div className="duration-badge">{video.duration}</div>
)}
</div>
<h3 style={{
fontSize: '14px',
fontWeight: '500',
lineHeight: '20px',
color: 'var(--yt-text-primary)',
display: '-webkit-box',
WebkitLineClamp: 2,
WebkitBoxOrient: 'vertical',
overflow: 'hidden',
margin: 0,
}}>
{video.title}
</h3>
<p style={{ fontSize: '12px', color: 'var(--yt-text-secondary)', margin: 0 }}>
{video.viewCount || formatViews(video.view_count || 0)} views {relativeTime}
</p>
</Link>
);
})}
</div>
{hasMore && (
<div style={{ padding: '16px 12px 0', textAlign: 'left' }}>
<button
onClick={(e) => {
e.preventDefault();
setExpanded(!expanded);
}}
style={{
background: 'transparent',
border: 'none',
color: 'var(--yt-text-secondary)',
fontSize: '14px',
fontWeight: '500',
cursor: 'pointer',
padding: '8px 16px',
borderRadius: '18px',
transition: 'background-color 0.2s',
}}
onMouseOver={(e) => {
e.currentTarget.style.backgroundColor = 'var(--yt-hover)';
}}
onMouseOut={(e) => {
e.currentTarget.style.backgroundColor = 'transparent';
}}
>
{expanded ? 'Show less' : `Show more (${videos.length - initialCount} more)`}
</button>
</div>
)}
</section>
);
}
export default function SubscriptionsPage() {
const [channelsVideos, setChannelsVideos] = useState<ChannelVideos[]>([]);
const [loading, setLoading] = useState(true);
useEffect(() => {
async function fetchData() {
try {
const subs = await fetchSubscriptions();
const channelVideos: ChannelVideos[] = [];
// Fetch videos for each subscription in parallel
const promises = subs.map(async (sub) => {
try {
const channelId = sub.channel_id;
const videos = await getChannelVideosClient(channelId, MAX_ROWS * VIDEOS_PER_ROW);
const channelInfo = await getChannelInfoClient(channelId);
if (videos.length > 0) {
return {
subscription: sub,
videos: videos,
channelInfo: channelInfo || null,
};
}
return null;
} catch (err) {
console.error(`Failed to fetch videos for ${sub.channel_id}:`, err);
return null;
}
});
const results = await Promise.all(promises);
const validResults = results.filter((r): r is ChannelVideos => r !== null);
setChannelsVideos(validResults);
} catch (err) {
console.error('Failed to fetch subscriptions:', err);
} finally {
setLoading(false);
}
}
fetchData();
}, []);
if (loading) {
return (
<div style={{ padding: '48px', display: 'flex', justifyContent: 'center' }}>
<LoadingSpinner />
</div>
);
}
if (channelsVideos.length === 0) {
return (
<div style={{ padding: '48px', textAlign: 'center', color: 'var(--yt-text-secondary)' }}>
<h2 style={{ marginBottom: '16px', color: 'var(--yt-text-primary)' }}>No subscriptions yet</h2>
<p>Subscribe to channels to see their latest videos here</p>
<Link
href="/"
style={{
display: 'inline-block',
marginTop: '16px',
padding: '10px 20px',
backgroundColor: 'var(--yt-brand-red)',
color: 'white',
borderRadius: '20px',
textDecoration: 'none',
fontWeight: '500',
}}
>
Discover videos
</Link>
</div>
);
}
return (
<div style={{ padding: '12px', maxWidth: '1400px', margin: '0 auto' }}>
<h1 style={{ fontSize: '24px', fontWeight: '600', marginBottom: '24px', padding: '0 12px' }}>Sub</h1>
{channelsVideos.map((channelData) => (
<ChannelSection key={channelData.subscription.channel_id} channelVideos={channelData} />
))}
</div>
);
}