90 lines
2.8 KiB
TypeScript
90 lines
2.8 KiB
TypeScript
import { buildATag, createUserEmojiListDraftEvent } from '@/lib/draft-event'
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import { getReplaceableCoordinateFromEvent } from '@/lib/event'
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import client from '@/services/client.service'
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import { Event, kinds } from 'nostr-tools'
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import { createContext, useContext, useMemo } from 'react'
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import { useNostr } from './NostrProvider'
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type TEmojiPackContext = {
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emojiPackCoordinateSet: Set<string>
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addEmojiPack: (event: Event) => Promise<void>
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removeEmojiPack: (event: Event) => Promise<void>
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}
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const EmojiPackContext = createContext<TEmojiPackContext | undefined>(undefined)
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export const useEmojiPack = () => {
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const context = useContext(EmojiPackContext)
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if (!context) {
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throw new Error('useEmojiPack must be used within a EmojiPackProvider')
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}
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return context
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}
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export function EmojiPackProvider({ children }: { children: React.ReactNode }) {
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const {
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pubkey: accountPubkey,
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userEmojiListEvent,
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publish,
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updateUserEmojiListEvent
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} = useNostr()
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const emojiPackCoordinateSet = useMemo(() => {
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const set = new Set<string>()
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userEmojiListEvent?.tags.forEach((tag) => {
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if (tag[0] === 'a') {
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set.add(tag[1])
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}
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})
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return set
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}, [userEmojiListEvent])
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const addEmojiPack = async (event: Event) => {
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if (!accountPubkey || event.kind !== kinds.Emojisets) return
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const userEmojiListEvent = await client.fetchUserEmojiListEvent(accountPubkey)
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const currentTags = userEmojiListEvent?.tags || []
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const coordinate = getReplaceableCoordinateFromEvent(event)
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// Check if already exists
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if (currentTags.some((tag) => tag[0] === 'a' && tag[1] === coordinate)) {
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return
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}
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const newUserEmojiListDraftEvent = createUserEmojiListDraftEvent(
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[...currentTags, buildATag(event)],
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userEmojiListEvent?.content
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)
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const newUserEmojiListEvent = await publish(newUserEmojiListDraftEvent)
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await updateUserEmojiListEvent(newUserEmojiListEvent)
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}
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const removeEmojiPack = async (event: Event) => {
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if (!accountPubkey) return
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const userEmojiListEvent = await client.fetchUserEmojiListEvent(accountPubkey)
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if (!userEmojiListEvent) return
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const coordinate = getReplaceableCoordinateFromEvent(event)
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const newTags = userEmojiListEvent.tags.filter((tag) => tag[0] !== 'a' || tag[1] !== coordinate)
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if (newTags.length === userEmojiListEvent.tags.length) return
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const newUserEmojiListDraftEvent = createUserEmojiListDraftEvent(
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newTags,
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userEmojiListEvent.content
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)
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const newUserEmojiListEvent = await publish(newUserEmojiListDraftEvent)
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await updateUserEmojiListEvent(newUserEmojiListEvent)
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}
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return (
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<EmojiPackContext.Provider
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value={{
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emojiPackCoordinateSet,
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addEmojiPack,
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removeEmojiPack
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}}
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>
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{children}
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</EmojiPackContext.Provider>
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)
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}
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