Marc Knaup
478 lines
14 KiB
TypeScript
478 lines
14 KiB
TypeScript
import { proto } from '../../WAProto/index.js'
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import {
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type GroupMetadata,
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type GroupParticipant,
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type ParticipantAction,
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type SocketConfig,
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type WAMessageKey,
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WAMessageStubType
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} from '../Types'
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import { generateMessageID, generateMessageIDV2, unixTimestampSeconds } from '../Utils'
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import logger from '../Utils/logger'
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import {
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type BinaryNode,
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getBinaryNodeChild,
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getBinaryNodeChildren,
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getBinaryNodeChildString,
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jidEncode,
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jidNormalizedUser
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} from '../WABinary'
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import { makeBusinessSocket } from './business'
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export const makeCommunitiesSocket = (config: SocketConfig) => {
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const sock = makeBusinessSocket(config)
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const { authState, ev, query, upsertMessage } = sock
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const communityQuery = async (jid: string, type: 'get' | 'set', content: BinaryNode[]) =>
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query({
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tag: 'iq',
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attrs: {
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type,
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xmlns: 'w:g2',
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to: jid
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},
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content
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})
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const communityMetadata = async (jid: string) => {
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const result = await communityQuery(jid, 'get', [{ tag: 'query', attrs: { request: 'interactive' } }])
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return extractCommunityMetadata(result)
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}
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const communityFetchAllParticipating = async () => {
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const result = await query({
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tag: 'iq',
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attrs: {
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to: '@g.us',
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xmlns: 'w:g2',
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type: 'get'
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},
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content: [
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{
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tag: 'participating',
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attrs: {},
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content: [
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{ tag: 'participants', attrs: {} },
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{ tag: 'description', attrs: {} }
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]
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}
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]
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})
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const data: { [_: string]: GroupMetadata } = {}
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const communitiesChild = getBinaryNodeChild(result, 'communities')
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if (communitiesChild) {
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const communities = getBinaryNodeChildren(communitiesChild, 'community')
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for (const communityNode of communities) {
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const meta = extractCommunityMetadata({
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tag: 'result',
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attrs: {},
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content: [communityNode]
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})
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data[meta.id] = meta
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}
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}
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sock.ev.emit('groups.update', Object.values(data))
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return data
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}
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async function parseGroupResult(node: BinaryNode) {
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logger.info({ node }, 'parseGroupResult')
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const groupNode = getBinaryNodeChild(node, 'group')
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if (groupNode) {
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try {
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logger.info({ groupNode }, 'groupNode')
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const metadata = await sock.groupMetadata(`${groupNode.attrs.id}@g.us`)
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return metadata ? metadata : Optional.empty()
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} catch (error) {
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console.error('Error parsing group metadata:', error)
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return Optional.empty()
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}
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}
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return Optional.empty()
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}
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const Optional = {
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empty: () => null,
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of: (value: null) => (value !== null ? { value } : null)
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}
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sock.ws.on('CB:ib,,dirty', async (node: BinaryNode) => {
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const { attrs } = getBinaryNodeChild(node, 'dirty')!
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if (attrs.type !== 'communities') {
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return
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}
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await communityFetchAllParticipating()
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await sock.cleanDirtyBits('groups')
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})
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return {
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...sock,
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communityMetadata,
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communityCreate: async (subject: string, body: string) => {
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const descriptionId = generateMessageID().substring(0, 12)
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const result = await communityQuery('@g.us', 'set', [
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{
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tag: 'create',
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attrs: { subject },
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content: [
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{
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tag: 'description',
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attrs: { id: descriptionId },
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content: [
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{
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tag: 'body',
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attrs: {},
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content: Buffer.from(body || '', 'utf-8')
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}
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]
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},
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{
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tag: 'parent',
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attrs: { default_membership_approval_mode: 'request_required' }
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},
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{
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tag: 'allow_non_admin_sub_group_creation',
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attrs: {}
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},
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{
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tag: 'create_general_chat',
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attrs: {}
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}
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]
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}
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])
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return await parseGroupResult(result)
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},
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communityCreateGroup: async (subject: string, participants: string[], parentCommunityJid: string) => {
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const key = generateMessageIDV2()
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const result = await communityQuery('@g.us', 'set', [
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{
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tag: 'create',
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attrs: {
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subject,
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key
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},
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content: [
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...participants.map(jid => ({
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tag: 'participant',
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attrs: { jid }
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})),
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{ tag: 'linked_parent', attrs: { jid: parentCommunityJid } }
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]
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}
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])
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return await parseGroupResult(result)
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},
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communityLeave: async (id: string) => {
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await communityQuery('@g.us', 'set', [
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{
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tag: 'leave',
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attrs: {},
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content: [{ tag: 'community', attrs: { id } }]
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}
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])
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},
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communityUpdateSubject: async (jid: string, subject: string) => {
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await communityQuery(jid, 'set', [
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{
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tag: 'subject',
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attrs: {},
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content: Buffer.from(subject, 'utf-8')
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}
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])
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},
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communityLinkGroup: async (groupJid: string, parentCommunityJid: string) => {
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await communityQuery(parentCommunityJid, 'set', [
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{
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tag: 'links',
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attrs: {},
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content: [
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{
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tag: 'link',
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attrs: { link_type: 'sub_group' },
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content: [{ tag: 'group', attrs: { jid: groupJid } }]
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}
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]
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}
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])
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},
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communityUnlinkGroup: async (groupJid: string, parentCommunityJid: string) => {
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await communityQuery(parentCommunityJid, 'set', [
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{
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tag: 'unlink',
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attrs: { unlink_type: 'sub_group' },
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content: [{ tag: 'group', attrs: { jid: groupJid } }]
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}
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])
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},
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communityFetchLinkedGroups: async (jid: string) => {
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let communityJid = jid
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let isCommunity = false
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// Try to determine if it is a subgroup or a community
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const metadata = await sock.groupMetadata(jid)
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if (metadata.linkedParent) {
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// It is a subgroup, get the community jid
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communityJid = metadata.linkedParent
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} else {
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// It is a community
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isCommunity = true
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}
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// Fetch all subgroups of the community
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const result = await communityQuery(communityJid, 'get', [{ tag: 'sub_groups', attrs: {} }])
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const linkedGroupsData = []
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const subGroupsNode = getBinaryNodeChild(result, 'sub_groups')
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if (subGroupsNode) {
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const groupNodes = getBinaryNodeChildren(subGroupsNode, 'group')
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for (const groupNode of groupNodes) {
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linkedGroupsData.push({
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id: groupNode.attrs.id ? jidEncode(groupNode.attrs.id, 'g.us') : undefined,
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subject: groupNode.attrs.subject || '',
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creation: groupNode.attrs.creation ? Number(groupNode.attrs.creation) : undefined,
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owner: groupNode.attrs.creator ? jidNormalizedUser(groupNode.attrs.creator) : undefined,
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size: groupNode.attrs.size ? Number(groupNode.attrs.size) : undefined
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})
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}
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}
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return {
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communityJid,
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isCommunity,
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linkedGroups: linkedGroupsData
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}
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},
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communityRequestParticipantsList: async (jid: string) => {
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const result = await communityQuery(jid, 'get', [
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{
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tag: 'membership_approval_requests',
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attrs: {}
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}
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])
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const node = getBinaryNodeChild(result, 'membership_approval_requests')
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const participants = getBinaryNodeChildren(node, 'membership_approval_request')
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return participants.map(v => v.attrs)
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},
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communityRequestParticipantsUpdate: async (jid: string, participants: string[], action: 'approve' | 'reject') => {
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const result = await communityQuery(jid, 'set', [
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{
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tag: 'membership_requests_action',
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attrs: {},
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content: [
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{
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tag: action,
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attrs: {},
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content: participants.map(jid => ({
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tag: 'participant',
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attrs: { jid }
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}))
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}
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]
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}
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])
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const node = getBinaryNodeChild(result, 'membership_requests_action')
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const nodeAction = getBinaryNodeChild(node, action)
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const participantsAffected = getBinaryNodeChildren(nodeAction, 'participant')
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return participantsAffected.map(p => {
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return { status: p.attrs.error || '200', jid: p.attrs.jid }
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})
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},
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communityParticipantsUpdate: async (jid: string, participants: string[], action: ParticipantAction) => {
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const result = await communityQuery(jid, 'set', [
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{
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tag: action,
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attrs: action === 'remove' ? { linked_groups: 'true' } : {},
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content: participants.map(jid => ({
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tag: 'participant',
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attrs: { jid }
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}))
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}
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])
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const node = getBinaryNodeChild(result, action)
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const participantsAffected = getBinaryNodeChildren(node, 'participant')
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return participantsAffected.map(p => {
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return { status: p.attrs.error || '200', jid: p.attrs.jid, content: p }
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})
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},
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communityUpdateDescription: async (jid: string, description?: string) => {
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const metadata = await communityMetadata(jid)
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const prev = metadata.descId ?? null
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await communityQuery(jid, 'set', [
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{
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tag: 'description',
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attrs: {
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...(description ? { id: generateMessageID() } : { delete: 'true' }),
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...(prev ? { prev } : {})
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},
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content: description ? [{ tag: 'body', attrs: {}, content: Buffer.from(description, 'utf-8') }] : undefined
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}
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])
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},
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communityInviteCode: async (jid: string) => {
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const result = await communityQuery(jid, 'get', [{ tag: 'invite', attrs: {} }])
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const inviteNode = getBinaryNodeChild(result, 'invite')
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return inviteNode?.attrs.code
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},
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communityRevokeInvite: async (jid: string) => {
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const result = await communityQuery(jid, 'set', [{ tag: 'invite', attrs: {} }])
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const inviteNode = getBinaryNodeChild(result, 'invite')
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return inviteNode?.attrs.code
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},
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communityAcceptInvite: async (code: string) => {
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const results = await communityQuery('@g.us', 'set', [{ tag: 'invite', attrs: { code } }])
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const result = getBinaryNodeChild(results, 'community')
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return result?.attrs.jid
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},
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/**
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* revoke a v4 invite for someone
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* @param communityJid community jid
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* @param invitedJid jid of person you invited
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* @returns true if successful
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*/
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communityRevokeInviteV4: async (communityJid: string, invitedJid: string) => {
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const result = await communityQuery(communityJid, 'set', [
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{ tag: 'revoke', attrs: {}, content: [{ tag: 'participant', attrs: { jid: invitedJid } }] }
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])
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return !!result
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},
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/**
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* accept a CommunityInviteMessage
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* @param key the key of the invite message, or optionally only provide the jid of the person who sent the invite
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* @param inviteMessage the message to accept
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*/
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communityAcceptInviteV4: ev.createBufferedFunction(
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async (key: string | WAMessageKey, inviteMessage: proto.Message.IGroupInviteMessage) => {
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key = typeof key === 'string' ? { remoteJid: key } : key
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const results = await communityQuery(inviteMessage.groupJid!, 'set', [
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{
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tag: 'accept',
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attrs: {
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code: inviteMessage.inviteCode!,
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expiration: inviteMessage.inviteExpiration!.toString(),
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admin: key.remoteJid!
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}
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}
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])
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// if we have the full message key
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// update the invite message to be expired
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if (key.id) {
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// create new invite message that is expired
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inviteMessage = proto.Message.GroupInviteMessage.fromObject(inviteMessage)
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inviteMessage.inviteExpiration = 0
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inviteMessage.inviteCode = ''
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ev.emit('messages.update', [
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{
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key,
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update: {
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message: {
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groupInviteMessage: inviteMessage
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}
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}
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}
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])
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}
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// generate the community add message
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await upsertMessage(
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{
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key: {
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remoteJid: inviteMessage.groupJid,
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id: generateMessageIDV2(sock.user?.id),
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fromMe: false,
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participant: key.remoteJid // TODO: investigate if this makes any sense at all
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},
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messageStubType: WAMessageStubType.GROUP_PARTICIPANT_ADD,
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messageStubParameters: [JSON.stringify(authState.creds.me)],
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participant: key.remoteJid,
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messageTimestamp: unixTimestampSeconds()
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},
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'notify'
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)
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return results.attrs.from
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}
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),
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communityGetInviteInfo: async (code: string) => {
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const results = await communityQuery('@g.us', 'get', [{ tag: 'invite', attrs: { code } }])
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return extractCommunityMetadata(results)
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},
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communityToggleEphemeral: async (jid: string, ephemeralExpiration: number) => {
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const content: BinaryNode = ephemeralExpiration
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? { tag: 'ephemeral', attrs: { expiration: ephemeralExpiration.toString() } }
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: { tag: 'not_ephemeral', attrs: {} }
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await communityQuery(jid, 'set', [content])
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},
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communitySettingUpdate: async (
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jid: string,
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setting: 'announcement' | 'not_announcement' | 'locked' | 'unlocked'
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) => {
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await communityQuery(jid, 'set', [{ tag: setting, attrs: {} }])
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},
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communityMemberAddMode: async (jid: string, mode: 'admin_add' | 'all_member_add') => {
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await communityQuery(jid, 'set', [{ tag: 'member_add_mode', attrs: {}, content: mode }])
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},
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communityJoinApprovalMode: async (jid: string, mode: 'on' | 'off') => {
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await communityQuery(jid, 'set', [
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{ tag: 'membership_approval_mode', attrs: {}, content: [{ tag: 'community_join', attrs: { state: mode } }] }
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])
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},
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communityFetchAllParticipating
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}
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}
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export const extractCommunityMetadata = (result: BinaryNode) => {
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const community = getBinaryNodeChild(result, 'community')!
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const descChild = getBinaryNodeChild(community, 'description')
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let desc: string | undefined
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let descId: string | undefined
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if (descChild) {
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desc = getBinaryNodeChildString(descChild, 'body')
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descId = descChild.attrs.id
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}
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const communityId = community.attrs.id?.includes('@')
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? community.attrs.id
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: jidEncode(community.attrs.id || '', 'g.us')
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const eph = getBinaryNodeChild(community, 'ephemeral')?.attrs.expiration
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const memberAddMode = getBinaryNodeChildString(community, 'member_add_mode') === 'all_member_add'
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const metadata: GroupMetadata = {
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id: communityId,
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subject: community.attrs.subject || '',
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subjectOwner: community.attrs.s_o,
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subjectTime: Number(community.attrs.s_t || 0),
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size: getBinaryNodeChildren(community, 'participant').length,
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creation: Number(community.attrs.creation || 0),
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owner: community.attrs.creator ? jidNormalizedUser(community.attrs.creator) : undefined,
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desc,
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descId,
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linkedParent: getBinaryNodeChild(community, 'linked_parent')?.attrs.jid || undefined,
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restrict: !!getBinaryNodeChild(community, 'locked'),
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announce: !!getBinaryNodeChild(community, 'announcement'),
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isCommunity: !!getBinaryNodeChild(community, 'parent'),
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isCommunityAnnounce: !!getBinaryNodeChild(community, 'default_sub_community'),
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joinApprovalMode: !!getBinaryNodeChild(community, 'membership_approval_mode'),
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memberAddMode,
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participants: getBinaryNodeChildren(community, 'participant').map(({ attrs }) => {
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return {
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// TODO: IMPLEMENT THE PN/LID FIELDS HERE!!
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id: attrs.jid!,
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admin: (attrs.type || null) as GroupParticipant['admin']
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}
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}),
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ephemeralDuration: eph ? +eph : undefined,
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addressingMode: getBinaryNodeChildString(community, 'addressing_mode')! as GroupMetadata['addressingMode']
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}
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return metadata
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}
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