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Added Presence

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This commit is contained in:
DjDeveloperr 2020-11-02 12:57:14 +05:30
parent 99630d74cf
commit 04056a7f9c
4 changed files with 217 additions and 64 deletions
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132
src/gateway/index.ts
View file

@ -10,6 +10,7 @@ import { gatewayHandlers } from './handlers/index.ts'
import { GATEWAY_BOT } from '../types/endpoint.ts'
import { GatewayBotPayload } from "../types/gatewayBot.ts"
import { GatewayCache } from "../managers/GatewayCache.ts"
import { ClientActivityPayload } from "../structures/presence.ts"
/**
* Handles Discord gateway connection.
@ -32,7 +33,7 @@ class Gateway {
client: Client
cache: GatewayCache
constructor (client: Client, token: string, intents: GatewayIntents[]) {
constructor(client: Client, token: string, intents: GatewayIntents[]) {
this.token = token
this.intents = intents
this.client = client
@ -49,12 +50,12 @@ class Gateway {
this.websocket.onerror = this.onerror.bind(this)
}
private onopen (): void {
private onopen(): void {
this.connected = true
this.debug("Connected to Gateway!")
}
private async onmessage (event: MessageEvent): Promise<void> {
private async onmessage(event: MessageEvent): Promise<void> {
let data = event.data
if (data instanceof ArrayBuffer) {
data = new Uint8Array(data)
@ -79,12 +80,10 @@ class Gateway {
return
}
this.websocket.send(
JSON.stringify({
op: GatewayOpcodes.HEARTBEAT,
d: this.sequenceID ?? null
})
)
this.send({
op: GatewayOpcodes.HEARTBEAT,
d: this.sequenceID ?? null
})
this.lastPingTimestamp = Date.now()
}, this.heartbeatInterval)
@ -142,38 +141,38 @@ class Gateway {
}
}
private onclose (event: CloseEvent): void {
private onclose(event: CloseEvent): void {
this.debug("Connection Closed with code: " + event.code)
if(event.code == GatewayCloseCodes.UNKNOWN_ERROR) {
if (event.code == GatewayCloseCodes.UNKNOWN_ERROR) {
this.debug("API has encountered Unknown Error. Reconnecting...")
this.reconnect()
} else if(event.code == GatewayCloseCodes.UNKNOWN_OPCODE) {
} else if (event.code == GatewayCloseCodes.UNKNOWN_OPCODE) {
throw new Error("Unknown OP Code was sent. This shouldn't happen!")
} else if(event.code == GatewayCloseCodes.DECODE_ERROR) {
} else if (event.code == GatewayCloseCodes.DECODE_ERROR) {
throw new Error("Invalid Payload was sent. This shouldn't happen!")
} else if(event.code == GatewayCloseCodes.NOT_AUTHENTICATED) {
} else if (event.code == GatewayCloseCodes.NOT_AUTHENTICATED) {
throw new Error("Not Authorized: Payload was sent before Identifying.")
} else if(event.code == GatewayCloseCodes.AUTHENTICATION_FAILED) {
} else if (event.code == GatewayCloseCodes.AUTHENTICATION_FAILED) {
throw new Error("Invalid Token provided!")
} else if(event.code == GatewayCloseCodes.INVALID_SEQ) {
} else if (event.code == GatewayCloseCodes.INVALID_SEQ) {
this.debug("Invalid Seq was sent. Reconnecting.")
this.reconnect()
} else if(event.code == GatewayCloseCodes.RATE_LIMITED) {
} else if (event.code == GatewayCloseCodes.RATE_LIMITED) {
throw new Error("You're ratelimited. Calm down.")
} else if(event.code == GatewayCloseCodes.SESSION_TIMED_OUT) {
} else if (event.code == GatewayCloseCodes.SESSION_TIMED_OUT) {
this.debug("Session Timeout. Reconnecting.")
this.reconnect(true)
} else if(event.code == GatewayCloseCodes.INVALID_SHARD) {
} else if (event.code == GatewayCloseCodes.INVALID_SHARD) {
this.debug("Invalid Shard was sent. Reconnecting.")
this.reconnect()
} else if(event.code == GatewayCloseCodes.SHARDING_REQUIRED) {
} else if (event.code == GatewayCloseCodes.SHARDING_REQUIRED) {
throw new Error("Couldn't connect. Sharding is requried!")
} else if(event.code == GatewayCloseCodes.INVALID_API_VERSION) {
} else if (event.code == GatewayCloseCodes.INVALID_API_VERSION) {
throw new Error("Invalid API Version was used. This shouldn't happen!")
} else if(event.code == GatewayCloseCodes.INVALID_INTENTS) {
} else if (event.code == GatewayCloseCodes.INVALID_INTENTS) {
throw new Error("Invalid Intents")
} else if(event.code == GatewayCloseCodes.DISALLOWED_INTENTS) {
} else if (event.code == GatewayCloseCodes.DISALLOWED_INTENTS) {
throw new Error("Given Intents aren't allowed")
} else {
this.debug("Unknown Close code, probably connection error. Reconnecting.")
@ -181,59 +180,52 @@ class Gateway {
}
}
private onerror (event: Event | ErrorEvent): void {
private onerror(event: Event | ErrorEvent): void {
const eventError = event as ErrorEvent
console.log(eventError)
}
private async sendIdentify (forceNewSession?: boolean) {
private async sendIdentify(forceNewSession?: boolean) {
this.debug("Fetching /gateway/bot...")
const info = await this.client.rest.get(GATEWAY_BOT()) as GatewayBotPayload
if(info.session_start_limit.remaining == 0) throw new Error("Session Limit Reached. Retry After " + info.session_start_limit.reset_after + "ms")
if (info.session_start_limit.remaining == 0) throw new Error("Session Limit Reached. Retry After " + info.session_start_limit.reset_after + "ms")
this.debug("Recommended Shards: " + info.shards)
this.debug("=== Session Limit Info ===")
this.debug(`Remaining: ${info.session_start_limit.remaining}/${info.session_start_limit.total}`)
this.debug(`Reset After: ${info.session_start_limit.reset_after}ms`)
if(!forceNewSession) {
if (!forceNewSession) {
let sessionIDCached = await this.cache.get("session_id")
if(sessionIDCached) {
if (sessionIDCached) {
this.debug("Found Cached SessionID: " + sessionIDCached)
this.sessionID = sessionIDCached
return this.sendResume()
}
}
this.websocket.send(
JSON.stringify({
op: GatewayOpcodes.IDENTIFY,
d: {
token: this.token,
properties: {
$os: Deno.build.os,
$browser: 'discord.deno',
$device: 'discord.deno'
},
compress: true,
shard: [0, 1], // TODO: Make sharding possible
intents: this.intents.reduce(
(previous, current) => previous | current,
0
),
presence: {
// TODO: User should can customize this
status: 'online',
since: null,
afk: false
}
}
})
)
this.send({
op: GatewayOpcodes.IDENTIFY,
d: {
token: this.token,
properties: {
$os: Deno.build.os,
$browser: 'discord.deno',
$device: 'discord.deno'
},
compress: true,
shard: [0, 1], // TODO: Make sharding possible
intents: this.intents.reduce(
(previous, current) => previous | current,
0
),
presence: this.client.presence.create()
}
})
}
private async sendResume (): Promise<void> {
private async sendResume(): Promise<void> {
this.debug(`Preparing to resume with Session: ${this.sessionID}`)
if(this.sequenceID === undefined) {
if (this.sequenceID === undefined) {
let cached = await this.cache.get("seq")
if(cached) this.sequenceID = typeof cached == "string" ? parseInt(cached) : cached
if (cached) this.sequenceID = typeof cached == "string" ? parseInt(cached) : cached
}
const resumePayload = {
op: GatewayOpcodes.RESUME,
@ -243,9 +235,7 @@ class Gateway {
seq: this.sequenceID || null
}
}
this.websocket.send(
JSON.stringify(resumePayload)
)
this.send(resumePayload)
}
debug(msg: string) {
@ -254,12 +244,12 @@ class Gateway {
async reconnect(forceNew?: boolean) {
clearInterval(this.heartbeatIntervalID)
if(forceNew) await this.cache.delete("session_id")
if (forceNew) await this.cache.delete("session_id")
this.close()
this.initWebsocket()
}
initWebsocket (): void {
initWebsocket(): void {
this.websocket = new WebSocket(
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
`${DISCORD_GATEWAY_URL}/?v=${DISCORD_API_VERSION}&encoding=json`,
@ -272,9 +262,27 @@ class Gateway {
this.websocket.onerror = this.onerror.bind(this)
}
close (): void {
close(): void {
this.websocket.close(1000)
}
send(data: GatewayResponse) {
if (this.websocket.readyState != this.websocket.OPEN) return false
this.websocket.send(JSON.stringify({
op: data.op,
d: data.d,
s: typeof data.s == "number" ? data.s : null,
t: data.t || null,
}))
return true
}
sendPresence(data: ClientActivityPayload) {
this.send({
op: GatewayOpcodes.PRESENCE_UPDATE,
d: data
})
}
}
export type GatewayEventHandler = (gateway: Gateway, d: any) => void

14
src/models/client.ts
View file

@ -9,13 +9,15 @@ import { GuildManager } from "../managers/GuildsManager.ts"
import { EmojisManager } from "../managers/EmojisManager.ts"
import { ChannelsManager } from "../managers/ChannelsManager.ts"
import { MessagesManager } from "../managers/MessagesManager.ts"
import { ActivityGame, ClientActivity, ClientActivityPayload, ClientPresence } from "../structures/presence.ts"
/** Some Client Options to modify behaviour */
export interface ClientOptions {
token?: string
intents?: GatewayIntents[]
cache?: ICacheAdapter,
forceNewSession?: boolean
forceNewSession?: boolean,
presence?: ClientPresence | ClientActivity | ActivityGame
}
/**
@ -37,12 +39,15 @@ export class Client extends EventEmitter {
messages: MessagesManager = new MessagesManager(this)
emojis: EmojisManager = new EmojisManager(this)
presence: ClientPresence = new ClientPresence()
constructor (options: ClientOptions = {}) {
super()
this.token = options.token
this.intents = options.intents
this.forceNewSession = options.forceNewSession
if(options.cache) this.cache = options.cache
if(options.presence) this.presence = options.presence instanceof ClientPresence ? options.presence : new ClientPresence(options.presence)
}
setAdapter(adapter: ICacheAdapter) {
@ -50,6 +55,13 @@ export class Client extends EventEmitter {
return this
}
setPresence(presence: ClientPresence | ClientActivity | ActivityGame) {
if(presence instanceof ClientPresence) {
this.presence = presence
} else this.presence = new ClientPresence(presence)
this.gateway?.sendPresence(this.presence.create())
}
debug(tag: string, msg: string) {
this.emit("debug", `[${tag}] ${msg}`)
}

120
src/structures/presence.ts Normal file
View file

@ -0,0 +1,120 @@
export type ActivityType = 'PLAYING' | 'STREAMING' | 'LISTENING' | 'WATCHING' | 'CUSTOM_STATUS' | 'COMPETING';
export type StatusType = 'online' | 'invisible' | 'offline' | 'idle' | 'dnd';
export enum ActivityTypes {
PLAYING = 0,
STREAMING = 1,
LISTENING = 2,
WATCHING = 3,
CUSTOM_STATUS = 4,
COMPETING = 5,
}
export interface ActivityGame {
name: string;
type: 0 | 1 | 2 | 3 | 4 | 5 | ActivityType;
url?: string;
}
export interface ClientActivity {
status?: StatusType
activity?: ActivityGame | ActivityGame[]
since?: number | null
afk?: boolean
}
export interface ClientActivityPayload {
status: StatusType
activities: ActivityGame[] | null
since: number | null
afk: boolean
}
export class ClientPresence {
status: StatusType = 'online'
activity?: ActivityGame | ActivityGame[]
since?: number | null
afk?: boolean
constructor(data?: ClientActivity | ClientActivityPayload | ActivityGame) {
if (data) {
if((data as ClientActivity).activity !== undefined) {
Object.assign(this, data)
} else if((data as ClientActivityPayload).activities !== undefined) {
} else if((data as ActivityGame).name !== undefined) {
if(!this.activity) {
this.activity = data as ActivityGame
} else if(this.activity instanceof Array) {
this.activity.push(data as ActivityGame)
} else this.activity = [ this.activity, data as ActivityGame ]
}
}
}
parse(payload: ClientActivityPayload) {
this.afk = payload.afk
this.activity = payload.activities ?? undefined
this.since = payload.since
this.status = payload.status
}
static parse(payload: ClientActivityPayload) {
return new ClientPresence().parse(payload)
}
create(): ClientActivityPayload {
return {
afk: this.afk || false,
activities: this.createActivity(),
since: this.since || null,
status: this.status || 'online'
}
}
createActivity() {
let activity = this.activity == undefined ? null : (this.activity instanceof Array ? this.activity : [this.activity]) || null
if(activity == null) return activity
else {
activity.map(e => {
if(typeof e.type == "string") e.type = ActivityTypes[e.type]
return e
})
return activity
}
}
setStatus(status: StatusType) {
this.status = status
return this
}
setActivity(activity: ActivityGame) {
this.activity = activity
return this
}
setActivities(activities: ActivityGame[]) {
this.activity = activities
return this
}
setAFK(afk: boolean) {
this.afk = afk
}
removeAFK() {
this.afk = false
return this
}
toggleAFK() {
this.afk = !(this.afk || true)
return this
}
setSince(since?: number) {
this.since = since
return this
}
}

15
src/test/index.ts
View file

@ -8,8 +8,17 @@ import { Guild } from '../structures/guild.ts'
import { User } from '../structures/user.ts'
import { Message } from "../structures/message.ts"
import { RedisCacheAdapter } from "../models/CacheAdapter.ts"
import { ClientPresence } from "../structures/presence.ts"
const bot = new Client()
const bot = new Client({
presence: new ClientPresence({
activity: {
name: "Testing",
type: 'COMPETING'
}
}),
forceNewSession: true
})
bot.setAdapter(new RedisCacheAdapter(bot, {
hostname: "127.0.0.1",
@ -18,6 +27,10 @@ bot.setAdapter(new RedisCacheAdapter(bot, {
bot.on('ready', () => {
console.log(`[Login] Logged in as ${bot.user?.tag}!`)
bot.setPresence({
name: "Test After Ready",
type: 'COMPETING'
})
})
bot.on('debug', console.log)