mirror of
https://github.com/FranP-code/Baileys.git
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260 lines
7.7 KiB
TypeScript
260 lines
7.7 KiB
TypeScript
import KeyedDB from "@adiwajshing/keyed-db"
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import { Comparable } from "@adiwajshing/keyed-db/lib/Types"
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import { Logger } from "pino"
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import type { Connection } from "../Connection"
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import type { BaileysEventEmitter, Chat, ConnectionState, Contact, GroupMetadata, WAMessage, WAMessageCursor } from "../Types"
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import { toNumber } from "../Utils"
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import makeOrderedDictionary from "./ordered-dictionary"
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export const waChatKey = (pin: boolean) => ({
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key: (c: Chat) => (pin ? (c.pin ? '1' : '0') : '') + (c.archive === 'true' ? '0' : '1') + c.t.toString(16).padStart(8, '0') + c.jid,
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compare: (k1: string, k2: string) => k2.localeCompare (k1)
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})
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export const waMessageID = (m: WAMessage) => m.key.id
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export type BaileysInMemoryStoreConfig = {
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chatKey: Comparable<Chat, string>
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logger: Logger
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}
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const makeMessagesDictionary = () => makeOrderedDictionary(waMessageID)
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export default(
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{ logger, chatKey }: BaileysInMemoryStoreConfig
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) => {
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const chats = new KeyedDB<Chat, string>(chatKey, c => c.jid)
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const messages: { [_: string]: ReturnType<typeof makeMessagesDictionary> } = {}
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const contacts: { [_: string]: Contact } = {}
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const groupMetadata: { [_: string]: GroupMetadata } = {}
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const state: ConnectionState = {
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connection: 'close',
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phoneConnected: false
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}
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const assertMessageList = (jid: string) => {
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if(!messages[jid]) messages[jid] = makeMessagesDictionary()
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return messages[jid]
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}
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const listen = (ev: BaileysEventEmitter) => {
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ev.on('connection.update', update => {
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Object.assign(state, update)
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})
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ev.on('contacts.upsert', ({ contacts: newContacts, type }) => {
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const oldContacts = new Set(Object.keys(contacts))
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for(const contact of newContacts) {
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oldContacts.delete(contact.jid)
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contacts[contact.jid] = Object.assign(
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contacts[contact.jid] || {},
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contact
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)
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}
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if(type === 'set') {
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for(const jid of oldContacts) {
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delete contacts[jid]
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}
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logger.debug({ deletedContacts: oldContacts.size }, 'synced contacts')
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}
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})
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ev.on('contacts.update', updates => {
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for(const update of updates) {
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if(contacts[update.jid!]) {
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Object.assign(contacts[update.jid!], update)
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} else {
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logger.debug({ update }, `got update for non-existant contact`)
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}
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}
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})
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ev.on('chats.upsert', ({ chats: newChats, type }) => {
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if(type === 'set') {
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chats.clear()
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}
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for(const chat of newChats) {
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chats.upsert(chat)
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}
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})
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ev.on('chats.update', updates => {
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for(const update of updates) {
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const result = chats.update(update.jid!, chat => {
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Object.assign(chat, update)
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})
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if(!result) {
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logger.debug({ update }, `got update for non-existant chat`)
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}
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}
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})
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ev.on('chats.delete', deletions => {
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for(const item of deletions) {
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chats.deleteById(item)
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}
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})
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ev.on('messages.upsert', ({ messages: newMessages, type }) => {
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switch(type) {
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case 'append':
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case 'notify':
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for(const msg of newMessages) {
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const jid = msg.key.remoteJid!
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const list = assertMessageList(jid)
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list.upsert(msg, 'append')
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if(type === 'notify' && !chats.get(jid)) {
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ev.emit('chats.upsert', {
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chats: [ { jid, t: toNumber(msg.messageTimestamp), count: 1 } ],
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type: 'upsert'
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})
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}
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}
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break
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case 'last':
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logger.info('recv last message on all chats')
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for(const msg of newMessages) {
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const jid = msg.key.remoteJid!
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const list = assertMessageList(jid)
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const [lastItem] = list.array.slice(-1)
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// reset message list
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if(lastItem?.key.id !== msg.key.id) {
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list.clear()
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list.upsert(msg, 'append')
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}
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}
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break
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case 'prepend':
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for(const msg of newMessages) {
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const jid = msg.key.remoteJid!
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const list = assertMessageList(jid)
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list.upsert(msg, 'prepend')
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}
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break
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}
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})
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ev.on('messages.update', updates => {
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for(const update of updates) {
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const list = assertMessageList(update.key.remoteJid)
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const result = list.updateAssign(update)
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if(!result) {
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logger.debug({ update }, `got update for non-existant message`)
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}
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}
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})
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ev.on('messages.delete', item => {
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const list = assertMessageList(item.jid)
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if('all' in item) {
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list.clear()
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} else {
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const idSet = new Set(item.ids)
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list.filter(m => !idSet.has(m.key.id))
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}
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})
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ev.on('groups.update', updates => {
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for(const update of updates) {
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if(groupMetadata[update.id]) {
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Object.assign(groupMetadata[update.id!], update)
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} else {
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logger.debug({ update }, `got update for non-existant group metadata`)
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}
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}
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})
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ev.on('group-participants.update', ({ jid, participants, action }) => {
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const metadata = groupMetadata[jid]
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if(metadata) {
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switch(action) {
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case 'add':
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metadata.participants.push(...participants.map(jid => ({ jid, isAdmin: false, isSuperAdmin: false })))
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break
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case 'demote':
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case 'promote':
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for(const participant of metadata.participants) {
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if(participants.includes(participant.jid)) {
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participant.isAdmin = action === 'promote'
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}
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}
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break
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case 'remove':
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metadata.participants = metadata.participants.filter(p => !participants.includes(p.jid))
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break
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}
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}
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})
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}
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return {
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chats,
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contacts,
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messages,
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groupMetadata,
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state,
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listen,
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loadMessages: async(jid: string, count: number, cursor: WAMessageCursor, sock: Connection | undefined) => {
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const list = assertMessageList(jid)
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const retrieve = async(count: number, cursor: WAMessageCursor) => {
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const result = await sock?.fetchMessagesFromWA(jid, count, cursor)
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return result || []
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}
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const mode = !cursor || 'before' in cursor ? 'before' : 'after'
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const cursorKey = !!cursor ? ('before' in cursor ? cursor.before : cursor.after) : undefined
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const cursorValue = cursorKey ? list.get(cursorKey.id) : undefined
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let messages: WAMessage[]
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if(messages && mode ==='before' && (!cursorKey || cursorValue)) {
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const msgIdx = messages.findIndex(m => m.key.id === cursorKey.id)
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messages = list.array.slice(0, msgIdx)
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const diff = count - messages.length
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if (diff < 0) {
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messages = messages.slice(-count) // get the last X messages
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} else if (diff > 0) {
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const [fMessage] = messages
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const extra = await retrieve (diff, { before: fMessage?.key || cursorKey })
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// add to DB
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for(let i = extra.length-1; i >= 0;i--) {
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list.upsert(extra[i], 'prepend')
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}
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}
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} else messages = await retrieve(count, cursor)
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return messages
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},
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loadMessage: async(jid: string, id: string, sock: Connection | undefined) => {
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let message = messages[jid]?.get(id)
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if(!message) {
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message = await sock?.loadMessageFromWA(jid, id)
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}
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return message
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},
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mostRecentMessage: async(jid: string, sock: Connection | undefined) => {
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let message = messages[jid]?.array.slice(-1)[0]
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if(!message) {
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const [result] = await sock?.fetchMessagesFromWA(jid, 1, undefined)
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message = result
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}
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return message
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},
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fetchImageUrl: async(jid: string, sock: Connection | undefined) => {
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const contact = contacts[jid]
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if(!contact) {
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return sock?.fetchImageUrl(jid)
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}
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if(typeof contact.imgUrl === 'undefined') {
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contact.imgUrl = await sock?.fetchImageUrl(jid)
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}
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return contact.imgUrl
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},
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fetchGroupMetadata: async(jid: string, sock: Connection | undefined) => {
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if(!groupMetadata[jid]) {
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groupMetadata[jid] = await sock?.groupMetadata(jid, chats.get(jid)?.read_only === 'true')
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}
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return groupMetadata[jid]
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},
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fetchBroadcastListInfo: async(jid: string, sock: Connection | undefined) => {
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if(!groupMetadata[jid]) {
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groupMetadata[jid] = await sock?.getBroadcastListInfo(jid)
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}
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return groupMetadata[jid]
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}
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}
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} |