Files
smesh/src/components/NoteStats/LikeButton.tsx
2025-03-07 23:39:46 +08:00

74 lines
2.4 KiB
TypeScript

import { createReactionDraftEvent } from '@/lib/draft-event'
import { cn } from '@/lib/utils'
import { useNostr } from '@/providers/NostrProvider'
import { useNoteStats } from '@/providers/NoteStatsProvider'
import client from '@/services/client.service'
import { Heart, Loader } from 'lucide-react'
import { Event } from 'nostr-tools'
import { useMemo, useState } from 'react'
import { useTranslation } from 'react-i18next'
import { formatCount } from './utils'
export default function LikeButton({ event }: { event: Event }) {
const { t } = useTranslation()
const { pubkey, publish, checkLogin } = useNostr()
const { noteStatsMap, updateNoteStatsByEvents, fetchNoteStats } = useNoteStats()
const [liking, setLiking] = useState(false)
const { likeCount, hasLiked } = useMemo(() => {
const stats = noteStatsMap.get(event.id) || {}
return { likeCount: stats.likes?.size, hasLiked: pubkey ? stats.likes?.has(pubkey) : false }
}, [noteStatsMap, event, pubkey])
const canLike = !hasLiked && !liking
const like = async (e: React.MouseEvent) => {
e.stopPropagation()
checkLogin(async () => {
if (!canLike || !pubkey) return
setLiking(true)
const timer = setTimeout(() => setLiking(false), 5000)
try {
const noteStats = noteStatsMap.get(event.id)
const hasLiked = noteStats?.likes?.has(pubkey)
if (hasLiked) return
if (!noteStats?.updatedAt) {
const stats = await fetchNoteStats(event)
if (stats?.likes?.has(pubkey)) return
}
const targetRelayList = await client.fetchRelayList(event.pubkey)
const reaction = createReactionDraftEvent(event)
const evt = await publish(reaction, {
additionalRelayUrls: targetRelayList.read.slice(0, 4)
})
updateNoteStatsByEvents([evt])
} catch (error) {
console.error('like failed', error)
} finally {
setLiking(false)
clearTimeout(timer)
}
})
}
return (
<button
className={cn(
'flex items-center enabled:hover:text-red-400 gap-1 px-3 h-full',
hasLiked ? 'text-red-400' : 'text-muted-foreground'
)}
onClick={like}
disabled={!canLike}
title={t('Like')}
>
{liking ? (
<Loader className="animate-spin" />
) : (
<Heart className={hasLiked ? 'fill-red-400' : ''} />
)}
{!!likeCount && <div className="text-sm">{formatCount(likeCount)}</div>}
</button>
)
}