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"use client"
import AgoraRTM, { type RTMClient, type RTMStreamChannel } from "agora-rtm"
import { AGEventEmitter } from "../events"
import { apiGenAgoraData } from "@/common"
import { type IRTMTextItem, ERTMTextType } from "@/types"
export interface IRtmEvents {
rtmMessage: (text: any) => void // TODO: update type
}
export type TRTMMessageEvent = {
channelType: "STREAM" | "MESSAGE" | "USER"
channelName: string
topicName?: string
messageType: "STRING" | "BINARY"
customType?: string
publisher: string
message: string | Uint8Array
timestamp: number
}
export class RtmManager extends AGEventEmitter<IRtmEvents> {
private _joined: boolean
_client: RTMClient | null
channel: string = ""
userId: number = 0
appId: string = ""
token: string = ""
constructor() {
super()
this._joined = false
this._client = null
}
async init({
channel,
userId,
appId,
token,
}: {
channel: string
userId: number
appId: string
token: string
}) {
if (this._joined) {
return
}
this.channel = channel
this.userId = userId
this.appId = appId
this.token = token
const rtm = new AgoraRTM.RTM(appId, String(userId), {
logLevel: "debug", // TODO: use INFO
// update config: https://doc.shengwang.cn/api-ref/rtm2/javascript/toc-configuration/configuration#rtmConfig
})
await rtm.login({ token })
try {
// subscribe message channel(will be created automatically)
const subscribeResult = await rtm.subscribe(channel, {
withMessage: true,
withPresence: true,
beQuiet: false,
withMetadata: true,
withLock: true,
})
console.log("[RTM] Subscribe Message Channel success!: ", subscribeResult)
this._joined = true
this._client = rtm
// listen events
this._listenRtmEvents()
} catch (status) {
console.error("Failed to Create/Join Message Channel", status)
}
}
private _listenRtmEvents() {
this._client!.addEventListener("message", this.handleRtmMessage.bind(this))
// tmp add presence
this._client!.addEventListener(
"presence",
this.handleRtmPresence.bind(this),
)
console.log("[RTM] Listen RTM events success!")
}
async handleRtmMessage(e: TRTMMessageEvent) {
console.log("[RTM] [TRTMMessageEvent] RAW", JSON.stringify(e))
const { message, messageType } = e
if (messageType === "STRING") {
const msg: IRTMTextItem = JSON.parse(message as string)
if (msg) {
console.log("[RTM] Emitting rtmMessage event with msg:", msg)
this.emit("rtmMessage", msg)
}
}
if (messageType === "BINARY") {
const decoder = new TextDecoder("utf-8")
const decodedMessage = decoder.decode(message as Uint8Array)
const msg: IRTMTextItem = JSON.parse(decodedMessage)
this.emit("rtmMessage", msg)
}
}
async handleRtmPresence(e: any) {
console.log("[RTM] [TRTMPresenceEvent] RAW", JSON.stringify(e))
}
async sendText(text: string) {
const msg: IRTMTextItem = {
is_final: true,
ts: Date.now(),
text,
type: ERTMTextType.INPUT_TEXT,
stream_id: String(this.userId),
}
await this._client?.publish(this.channel, JSON.stringify(msg), {
customType: "PainTxt",
})
this.emit("rtmMessage", msg)
}
async destroy() {
// remove listener
this._client?.removeEventListener(
"message",
this.handleRtmMessage.bind(this),
)
this._client?.removeEventListener(
"presence",
this.handleRtmPresence.bind(this),
)
// unsubscribe
await this._client?.unsubscribe(this.channel)
// logout
await this._client?.logout()
this._client = null
this._joined = false
}
}
export const rtmManager = new RtmManager()
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