Files
LingChair/server/api/ApiManager.ts
2025-09-23 23:08:50 +08:00

104 lines
4.2 KiB
TypeScript

import HttpServerLike from '../typedef/HttpServerLike.ts'
import UserApi from "./UserApi.ts"
import ChatApi from "./ChatApi.ts"
import * as SocketIo from "socket.io"
import ApiCallbackMessage from "./ApiCallbackMessage.ts"
import EventCallbackFunction from "../typedef/EventCallbackFunction.ts"
import BaseApi from "./BaseApi.ts"
import DataWrongError from "./DataWrongError.ts"
import chalk from "chalk"
export default class ApiManager {
static httpServer: HttpServerLike
static socketIoServer: SocketIo.Server
static event_listeners: { [key: string]: EventCallbackFunction } = {}
static apis_instance: { [key: string]: BaseApi } = {}
static initServer(httpServer: HttpServerLike, socketIoServer: SocketIo.Server) {
this.httpServer = httpServer
this.socketIoServer = socketIoServer
}
static getHttpServer() {
return this.httpServer
}
static getSocketIoServer() {
return this.socketIoServer
}
static initAllApis() {
this.apis_instance = {
user: new UserApi(),
chat: new ChatApi(),
}
}
static addEventListener(name: string, func: EventCallbackFunction) {
this.event_listeners[name] = func
}
static clients: { [key: string]: { [key: string]: SocketIo.Socket<SocketIo.DefaultEventsMap, SocketIo.DefaultEventsMap, SocketIo.DefaultEventsMap, any> } } = {}
static checkUserIsOnline(userId: string) {
return this.getUserClientSockets(userId) != null
}
static getUserClientSockets(userId: string) {
return this.clients[userId]
}
static initEvents() {
const io = this.socketIoServer
io.on('connection', (socket) => {
// TODO: fix ip == undefined
// https://github.com/denoland/deno/blob/7938d5d2a448b876479287de61e9e3b8c6109bc8/ext/node/polyfills/net.ts#L1713
const ip = socket.conn.remoteAddress
const deviceId = socket.handshake.auth.device_id as string
const clientInfo = {
userId: '',
deviceId,
ip,
socket,
}
socket.on('disconnect', (_reason) => {
if (clientInfo.userId == '')
console.log(chalk.yellow('[斷]') + ` ${ip} disconnected`)
else {
console.log(chalk.green('[斷]') + ` ${ip} disconnected`)
delete this.clients[clientInfo.userId][deviceId]
}
})
console.log(chalk.yellow('[連]') + ` ${ip} connected`)
socket.on("The_White_Silk", async (name: string, args: { [key: string]: unknown }, callback_: (ret: ApiCallbackMessage) => void) => {
function callback(ret: ApiCallbackMessage) {
console.log(chalk.blue('[發]') + ` ${ip} <- ${ret.code == 200 ? chalk.green(ret.msg) : chalk.red(ret.msg)} [${ret.code}]${ret.data ? (' <extras: ' + JSON.stringify(ret.data) + '>') : ''}`)
return callback_(ret)
}
async function checkIsPromiseAndAwait(value: Promise<unknown> | unknown) {
if (value instanceof Promise)
return await value
return value
}
try {
if (name == null || args == null) return callback({
msg: "Invalid request.",
code: 400
})
console.log(chalk.red('[收]') + ` ${ip} -> ${chalk.yellow(name)} <args: ${JSON.stringify(args)}>`)
return callback(await checkIsPromiseAndAwait(this.event_listeners[name]?.(args, clientInfo)) || {
code: 501,
msg: "Not implmented",
})
} catch (e) {
const err = e as Error
console.log(chalk.yellow('[壞]') + ` ${err.message} (${err.stack})`)
try {
callback({
code: err instanceof DataWrongError ? 400 : 500,
msg: "錯誤: " + err.message
})
} catch (_e) { }
}
})
})
}
}