72 lines
2.3 KiB
TypeScript
72 lines
2.3 KiB
TypeScript
import { createBookmarkDraftEvent } from '@/lib/draft-event'
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import { createContext, useContext, useMemo } from 'react'
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import { useNostr } from './NostrProvider'
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import client from '@/services/client.service'
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type TBookmarksContext = {
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bookmarks: string[][]
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addBookmark: (eventId: string, eventPubkey: string, relayHint?: string) => Promise<void>
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removeBookmark: (eventId: string) => Promise<void>
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}
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const BookmarksContext = createContext<TBookmarksContext | undefined>(undefined)
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export const useBookmarks = () => {
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const context = useContext(BookmarksContext)
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if (!context) {
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throw new Error('useBookmarks must be used within a BookmarksProvider')
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}
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return context
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}
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export function BookmarksProvider({ children }: { children: React.ReactNode }) {
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const { pubkey: accountPubkey, bookmarkListEvent, publish, updateBookmarkListEvent } = useNostr()
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const bookmarks = useMemo(
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() => (bookmarkListEvent ? bookmarkListEvent.tags : []),
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[bookmarkListEvent]
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)
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const addBookmark = async (eventId: string, eventPubkey: string, relayHint?: string) => {
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if (!accountPubkey) return
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const relayHintToUse = relayHint || client.getEventHint(eventId)
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const newTag = ['e', eventId, relayHintToUse, eventPubkey]
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const currentTags = bookmarkListEvent?.tags || []
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const isDuplicate = currentTags.some((tag) => tag[0] === 'e' && tag[1] === eventId)
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if (isDuplicate) return
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const newTags = [...currentTags, newTag]
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const newBookmarkDraftEvent = createBookmarkDraftEvent(newTags)
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const newBookmarkEvent = await publish(newBookmarkDraftEvent)
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await updateBookmarkListEvent(newBookmarkEvent)
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}
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const removeBookmark = async (eventId: string) => {
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if (!accountPubkey || !bookmarkListEvent) return
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const newTags = bookmarkListEvent.tags.filter((tag) => !(tag[0] === 'e' && tag[1] === eventId))
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if (newTags.length === bookmarkListEvent.tags.length) return
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const newBookmarkDraftEvent = createBookmarkDraftEvent(newTags)
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const newBookmarkEvent = await publish(newBookmarkDraftEvent)
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await updateBookmarkListEvent(newBookmarkEvent)
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}
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return (
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<BookmarksContext.Provider
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value={{
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bookmarks,
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addBookmark,
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removeBookmark
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}}
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>
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{children}
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</BookmarksContext.Provider>
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)
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}
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