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remove packages/status-js/src/community.ts

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Felicio Mununga 2022-06-08 11:45:56 +02:00
parent 857d283307
commit 109437f451
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2 changed files with 0 additions and 379 deletions
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78
packages/status-js/src/community.spec.ts
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@ -1,78 +0,0 @@
// todo?: move to __tests__
import { Community } from './community'
import type { CommunityDescription } from './wire/community_description'
import type { Waku, WakuMessage } from 'js-waku'
// todo: move to __mocks__
const WakuMock = {
store: {
queryHistory: jest.fn(),
},
}
describe('Community', () => {
beforeEach(() => {
// todo?: set as config instead
jest.resetAllMocks()
})
test('Retrieves community description', async () => {
// todo: move to __fixtures__
const messages = [
{
payload: new Uint8Array([
10, 65, 34, 159, 71, 242, 74, 40, 51, 11, 24, 120, 155, 102, 213, 241,
204, 130, 230, 70, 184, 67, 216, 119, 77, 31, 226, 210, 217, 31, 82,
178, 170, 106, 1, 67, 78, 127, 79, 198, 106, 0, 184, 167, 1, 117, 214,
100, 35, 204, 53, 241, 245, 213, 210, 12, 223, 184, 203, 240, 170,
153, 47, 186, 157, 134, 1, 18, 191, 2, 8, 3, 18, 140, 1, 10, 132, 1,
48, 120, 48, 52, 97, 99, 52, 49, 57, 100, 97, 99, 57, 97, 56, 98, 98,
98, 53, 56, 56, 50, 53, 97, 51, 99, 100, 101, 54, 48, 101, 101, 102,
48, 101, 101, 55, 49, 98, 56, 99, 102, 54, 99, 54, 51, 100, 102, 54,
49, 49, 101, 101, 101, 102, 99, 56, 101, 55, 97, 97, 99, 55, 99, 55,
57, 98, 53, 53, 57, 53, 52, 98, 54, 55, 57, 100, 50, 52, 99, 102, 53,
101, 99, 56, 50, 100, 97, 55, 101, 100, 57, 50, 49, 99, 97, 102, 50,
52, 48, 54, 50, 56, 97, 57, 98, 102, 98, 51, 52, 53, 48, 99, 53, 49,
49, 49, 97, 57, 99, 102, 102, 101, 53, 52, 101, 54, 51, 49, 56, 49,
49, 18, 3, 10, 1, 1, 26, 2, 24, 3, 42, 41, 34, 16, 66, 111, 114, 105,
110, 103, 32, 99, 111, 109, 109, 117, 110, 105, 116, 121, 42, 12, 68,
101, 115, 99, 114, 105, 112, 116, 105, 111, 110, 46, 50, 7, 35, 52,
51, 54, 48, 68, 70, 50, 60, 10, 36, 56, 52, 57, 53, 48, 98, 53, 50,
45, 51, 97, 52, 52, 45, 52, 98, 102, 102, 45, 97, 52, 56, 99, 45, 52,
98, 100, 102, 99, 48, 57, 55, 51, 49, 102, 57, 18, 20, 18, 2, 24, 1,
26, 14, 34, 6, 114, 97, 110, 100, 111, 109, 42, 4, 100, 101, 115, 99,
50, 63, 10, 36, 48, 48, 100, 51, 102, 53, 50, 53, 45, 97, 48, 99, 102,
45, 52, 99, 52, 48, 45, 56, 51, 50, 100, 45, 53, 52, 51, 101, 99, 57,
102, 56, 49, 56, 56, 98, 18, 23, 18, 2, 24, 1, 26, 15, 34, 8, 109,
101, 115, 115, 97, 103, 101, 115, 42, 3, 100, 115, 99, 40, 1, 24, 25,
]),
},
] as unknown as WakuMessage[]
WakuMock.store.queryHistory.mockImplementationOnce((_, { callback }) =>
Promise.resolve(callback(messages))
)
const community = await Community.instantiateCommunity(
'0x02cf13719c8b836bebd4e430c497ee38e798a43e4d8c4760c34bbd9bf4f2434d26',
WakuMock as unknown as Waku
)
const desc = community.description as CommunityDescription
expect(desc).toBeDefined()
expect(desc.identity?.displayName).toEqual('Boring community')
const descChats = Array.from(desc.chats.values()).map(
chat => chat?.identity?.displayName
)
expect(descChats).toEqual(expect.arrayContaining(['random']))
expect(descChats).toEqual(expect.arrayContaining(['messages']))
const chats = Array.from(community.chats.values()).map(
chat => chat?.communityChat?.identity?.displayName
)
expect(chats).toEqual(expect.arrayContaining(['random']))
expect(chats).toEqual(expect.arrayContaining(['messages']))
})
})

301
packages/status-js/src/community.ts
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@ -1,301 +0,0 @@
import debug from 'debug'
import { Chat } from './chat'
import { idToContentTopic } from './contentTopic'
import { ApplicationMetadataMessage_Type } from './proto/status/v1/application_metadata_message'
import { bufToHex, hexToBuf } from './utils'
import { ApplicationMetadataMessage } from './wire/application_metadata_message'
import { ChatMessage } from './wire/chat_message'
import { CommunityDescription } from './wire/community_description'
import type { CommunityChat } from './wire/community_chat'
import type { Waku, WakuMessage } from 'js-waku'
import { createSymKeyFromPassword } from './encryption'
// import { createSymKeyFromPassword } from './encryption'
type Events = 'communityfetch' | 'communityudpate' | 'channelmessagereceive'
const dbg = debug('communities:community')
export class Community {
public publicKey: Uint8Array
private waku: Waku
// TODO?: rename to channels
public chats: Map<string, Chat> // Chat id, Chat
public description?: CommunityDescription
constructor(publicKey: Uint8Array, waku: Waku) {
this.publicKey = publicKey
this.waku = waku
this.chats = new Map()
}
// TODO: explain why init func instead of constructor
/**
* Instantiate a Community by retrieving its details from the Waku network.
*
* This class is used to interact with existing communities only,
* the Status Desktop or Mobile app must be used to manage a community.
*
* @param publicKey The community's public key in hex format.
* Can be found in the community's invite link: https://join.status.im/c/<public key>
* @param waku The Waku instance, used to retrieve Community information from the network.
*/
public static async instantiateCommunity(
publicKey: string,
waku: Waku
): Promise<Community> {
const community = new Community(hexToBuf(publicKey), waku)
await community.refreshCommunityDescription()
return community
}
public get publicKeyStr(): string {
return bufToHex(this.publicKey)
}
/**
* Retrieve and update community information from the network.
* Uses most recent community description message available.
*/
async refreshCommunityDescription(): Promise<void> {
const desc = await CommunityDescription.retrieve(
this.publicKey,
this.waku.store
)
if (!desc) {
dbg(`Failed to retrieve Community Description for ${this.publicKeyStr}`)
return
}
this.description = desc
await Promise.all(
Array.from(this.description.chats).map(([chatUuid, communityChat]) => {
return this.instantiateChat(chatUuid, communityChat)
})
)
}
/**
* Instantiate [[Chat]] object based on the passed chat name.
* The Chat MUST already be part of the Community and the name MUST be exact (including casing).
*
* @throws string If the Community Description is unavailable or the chat is not found;
*/
private async instantiateChat(
chatUuid: string,
communityChat: CommunityChat
): Promise<void> {
if (!this.description)
throw 'Failed to retrieve community description, cannot instantiate chat'
const chatId = this.publicKeyStr + chatUuid
if (this.chats.get(chatId)) return
const chat = await Chat.create(chatId, communityChat)
this.chats.set(chatId, chat)
}
}
class CommunityBeta {
private waku: Waku
private publicKey: string
private callbacks: any = {}
private communityData: any = {}
private channelEvents: any = {}
private symKey
private channels: Record<string, ChatMessage[]> = {}
constructor(waku: Waku, publicKey: string) {
this.waku = waku
this.publicKey = publicKey
}
// todo: observer only if some callbacks set
// todo: doc as to be called after callbacks have been added
public async start() {
this.symKey = await createSymKeyFromPassword(this.publicKey)
const communityTopic = idToContentTopic(this.publicKey)
await this.fetchCommunity(communityTopic)
// this.observeCommunity(communityTopic)
// const channelTopics = []
// this.observeChannelMessages(channelTopics)
}
// TODO: should return unsubscribe function
public addCallback(type: Events, callback: () => void) {
const callbacks = this.callbacks[type]
if (!callbacks?.length) {
this.callbacks[type] = [callback]
} else {
this.callbacks[type].push(callback)
}
return () => {
this.callbacks[type].filter(cb => cb === callback)
}
}
private async fetchCommunity(topic: string): Promise<void> {
let payload = undefined
// todo: request Waku to replace callbacks
await this.waku.store
.queryHistory([topic], {
decryptionKeys: [this.symKey],
callback: messages => {
for (const message of messages.reverse()) {
if (!message.payload) {
return
}
const decodedMetadata = ApplicationMetadataMessage.decode(
message.payload
)
if (!decodedMetadata.payload) {
return
}
const decodedPayload = CommunityDescription.decode(
decodedMetadata.payload
)
// todo: explain
if (!decodedPayload.identity) {
return
}
payload = decodedPayload
// this.channels[chatId] = [
// ...maessages,
// ...this.channels[chatId]
// ]
// this.callbacks[''].forEach(cb => cb(this.channels[chatId]))
return true
}
},
})
.catch(error => {
console.error(error)
})
if (payload) {
const result = {
name: undefined,
description: undefined,
color: undefined,
channels: undefined,
members: undefined,
}
// todo: set `this.communityData`
this.callbacks['communityfetch'].forEach(callback => callback(result))
}
// todo: handle no (valid) messages case
}
private observeCommunity(topic: string) {
let payload = undefined
this.waku.relay.addObserver(
message => {
if (!message.payload) {
return
}
const decodedMetadata = ApplicationMetadataMessage.decode(
message.payload
)
if (!decodedMetadata.payload) {
return
}
const decodedPayload = CommunityDescription.decode(
decodedMetadata.payload
)
// todo: explain
if (!decodedPayload.identity) {
return
}
payload = decodedPayload
},
[topic]
)
if (payload) {
const result = {
name: undefined,
description: undefined,
color: undefined,
channels: undefined,
members: undefined,
}
this.callbacks['communityupdate'].forEach(callback => callback(result))
}
// todo: handle no (valid) messages case
}
private observeChannelMessages(topics: string[]) {
let payload = undefined
this.waku.relay.addObserver(message => {
if (!message.payload || !message.timestamp) {
return
}
const decodedMetadata = ApplicationMetadataMessage.decode(message.payload)
if (!decodedMetadata.payload) {
return
}
switch (decodedMetadata.type) {
case ApplicationMetadataMessage_Type.TYPE_CHAT_MESSAGE: {
const message = ChatMessage.decode(decodedMetadata.payload)
this.channels[message.chatId].push(message)
this.callbacks.forEach(callback => callback(this.channels[chatId]))
// handle chat message
// push
payload = message
return
}
default:
return
}
}, topics)
if (payload) {
// todo: push to `this.channelEvents` by type
this.callbacks['channelmessagereceive'].forEach(callback =>
callback(result)
)
}
// todo: handle no (valid) messages case
}
}
export function createCommunityBeta(waku: Waku, publicKey: string) {
const community = new CommunityBeta(waku, publicKey)
return community
}