update

wxmsg/src/wx/access-token.ts

@@ -0,0 +1,48 @@
+// const accessURL = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET'
+const accessURL = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential';
+
+type AccessData = {
+  "access_token": string;
+  "expires_in": number; // 7200, 单位秒 2小时
+  "accessToken": string;
+  "expiredAt": number; // 到期时间戳，单位毫秒
+}
+
+type ErrorData = {
+  errcode: number;
+  errmsg: string;
+}
+export const getAccessURL = (appId: string, appSecret: string): string => {
+  return `${accessURL}&appid=${appId}&secret=${appSecret}`;
+};
+
+export const getAccessToken = async (appId: string, appSecret: string): Promise<{
+  code: number;
+  data?: AccessData;
+  message?: string;
+}> => {
+  const url = getAccessURL(appId, appSecret);
+  const response = await fetch(url);
+  const data = await response.json();
+  if ((data as ErrorData).errcode) {
+    return {
+      code: 500,
+      message: (data as ErrorData).errmsg,
+    }
+  }
+  console.log('access token data', data);
+  data.accessToken = data.access_token;
+  data.expiredAt = Date.now() + data.expires_in * 1000;
+  return {
+    code: 200,
+    data
+  }
+}
+
+if(require.main === module) {
+  // 测试代码
+  const appId = 'wxff97d569b1db16b6';
+  const appSecret = '012d84d0d2b914de95f4e9ca84923aed';
+  const res = await getAccessToken(appId, appSecret);
+  console.log('getAccessToken res', res);
+}

wxmsg/src/wx/index.ts

@@ -0,0 +1,78 @@
+import { getAccessToken } from './access-token';
+import { Redis } from 'ioredis';
+import { WxCustomServiceMsg, WxMsgText } from './type/custom-service.ts';
+
+export * from './type/custom-service.ts';
+export * from './type/send.ts';
+
+/**
+ * 从
+ * @param str 
+ * @returns 
+ */
+export const changeToLowerCase = (str: string): string => {
+  return str.toLowerCase();
+}
+
+
+export class Wx {
+  private appId: string;
+  private appSecret: string;
+  public redis: Redis | null = null;
+  constructor({ appId, appSecret, redis }: { appId: string; appSecret: string; redis?: Redis }) {
+    this.appId = appId;
+    this.appSecret = appSecret;
+    this.redis = redis! || null;
+  }
+
+  public async getAccessToken(): Promise<string> {
+    const _accessToken = await this.redis?.get(`wx:access_token:${this.appId}`);
+    if (_accessToken) {
+      return _accessToken;
+    }
+    const res = await getAccessToken(this.appId, this.appSecret);
+    if (res.code !== 200 || !res.data) {
+      throw new Error(`Failed to get access token: ${res.message || 'unknown error'}`);
+    }
+    const { accessToken, expires_in } = res.data;
+    await this.redis?.set(`wx:access_token:${this.appId}`, accessToken, 'EX', expires_in - 200);
+    return accessToken;
+  }
+  public async analyzeUserMsg(msg: WxCustomServiceMsg) {
+    const touser = msg.fromusername;
+    const msgType = msg.msgtype;
+    if (msgType !== 'text') {
+      console.log('Only text messages are supported for auto-reply.');
+      console.log('Analyzed message:', { touser, msgType });
+      return;
+    }
+    const txtMsg = msg as WxMsgText;
+    const content = txtMsg.content;
+
+    console.log('Analyzing user message:', { touser, msgType, content });
+    const sendData = {
+      touser,
+      msgtype: 'text',
+      text: {
+        content: 'Hello World',
+      },
+    }
+    this.sendUserMessage(sendData);
+  }
+  public async sendUserMessage(data: any) {
+    const accessToken = await this.getAccessToken();
+    const url = `https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=${accessToken}`
+
+    const res = await this.post(url, data);
+    if (res.errcode !== 0) {
+      console.error('Failed to send user message:', res);
+    }
+    return res;
+  }
+  public async post(url: string, data: any) {
+    return fetch(url, {
+      method: 'POST',
+      body: JSON.stringify(data),
+    }).then((res) => res.json());
+  }
+}

wxmsg/src/wx/send-user.ts

@@ -0,0 +1,16 @@
+export const sendUser = async (accessToken: string) => {
+  const data = {
+    touser: 'omcvy7AHC6bAA0QM4x9_bE0fGD1g',
+    msgtype: 'text',
+    text: {
+      content: 'Hello World',
+    },
+  };
+  const url = 'https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=ACCESS_TOKEN';
+  const link = url.replace('ACCESS_TOKEN', accessToken);
+  const res = await fetch(link, {
+    method: 'POST',
+    body: JSON.stringify(data),
+  }).then((res) => res.json());
+  console.log('res', res);
+};

wxmsg/src/wx/type/custom-service.ts

@@ -0,0 +1,94 @@
+export type WxMsgBase<T = any> = {
+  tousername: string;
+  fromusername: string;
+  createtime: string;
+  msgtype: T extends { msgtype: infer U } ? U : string;
+  msgid: string;
+} & T;
+export type WxMsgText = WxMsgBase<{
+  msgtype: 'text';
+  content: string;
+}>;
+export type WxMsgEvent = WxMsgBase<{
+  msgtype: 'event';
+  event: 'subscribe' | 'unsubscribe' | 'click' | 'location' | 'scan';
+  eventkey: string;
+  /**
+   * 
+   * 用户同意上报地理位置后，每次进入服务号会话时，都会在进入时上报地理位置，
+   * 或在进入会话后每5秒上报一次地理位置，服务号可以在公众平台网站中修改以上设置。
+   * 上报地理位置时，微信会将上报地理位置事件推送到开发者填写的URL。
+   */
+  longitude?: string; // 经度
+  latitude?: string; // 纬度
+  precision?: string; // 精度
+
+  /**
+   * 用户未关注时，进行关注后的扫描带参数二维码事件推送
+   * eventkey为 qrscene_为前缀，后面为二维码的场景值ID
+   */
+  ticket?: string;
+}>;
+export type WxMsgVoice = WxMsgBase<{
+  mediaid: string;
+  format: string; // 语音格式，如amr，speex等
+  recognition?: string; // 语音识别结果，UTF8编码
+  mediaid16k?: string; // 语音播放时间长度，单位为秒
+}>;
+
+export type WxMsgImage = WxMsgBase<{
+  msgtype: 'image';
+  picurl: string;
+  mediaid: string;
+}>;
+
+export type WxMsgLocation = WxMsgBase<{
+  msgtype: 'location';
+  location_x: string; // 地理位置纬度
+  location_y: string; // 地理位置经度
+  scale: string; // 地图缩放大小
+  label: string; // 地理位置信息
+}>;
+export type WxMsgVideo = WxMsgBase<{
+  msgtype: 'video';
+  mediaid: string;
+  thumbmediaid: string;
+}>;
+
+export type WxMsgLink = WxMsgBase<{
+  msgtype: 'link';
+  title: string;
+  description: string;
+  url: string;
+}>;
+
+export type WxMsgFile = WxMsgBase<{
+  msgtype: 'file';
+  title: string;
+  description: string;
+  filekey: string;
+  filemd5: string;
+  filetotallen: string;
+}>;
+
+export type WxCustomServiceMsg = WxMsgText | WxMsgEvent | WxMsgVoice | WxMsgImage | WxMsgLocation | WxMsgVideo | WxMsgLink | WxMsgFile;
+
+export const parseWxMessage = (msg: any): WxCustomServiceMsg => {
+  const keys = Object.keys(msg);
+  let values = keys.map((key) => {
+    const value = msg[key];
+    if (Array.isArray(value) && value.length > 0) {
+      return value[0];
+    }
+    return value;
+  }).reduce((acc, curr, index) => {
+    const newKey = keys[index].toLowerCase();
+    if (newKey === 'event') {
+      curr = curr.toLowerCase();
+    }
+    acc[newKey] = curr;
+    return acc;
+  }, {} as any);
+  return values as WxCustomServiceMsg;
+
+}

wxmsg/src/wx/type/send.ts

@@ -0,0 +1,91 @@
+export type Send<T = any> = {
+  touser: string;
+  msgtype: 'text' | 'image' | 'voice' | 'video' | 'music' | 'news' | 'mpnews' | 'mpnewsarticle' | 'msgmenu' | 'wxcard' | 'miniprogrampage' | 'customservice' | 'aimsgcontext';
+} & T;
+
+type SendText = Send<{
+  text: {
+    content: string;
+  }
+}>;
+
+type SendImage = Send<{
+  image: {
+    media_id: string;
+  }
+}>;
+type SendVoice = Send<{
+  voice: {
+    media_id: string;
+  }
+}>
+type SendVideo = Send<{
+  video: {
+    media_id: string;
+    thumb_media_id: string;
+    title?: string;
+    description?: string;
+  }
+}>
+type SendMusic = Send<{
+  music: {
+    title?: string;
+    description?: string;
+    musicurl?: string;
+    hqmusicurl?: string;
+    thumb_media_id: string;
+  }
+}>
+type SendNews = Send<{
+  news: {
+    articles: Array<{
+      title: string;
+      description?: string;
+      url: string;
+      picurl?: string;
+    }>
+  }
+}>
+type SendMpnews = Send<{
+  mpnews: {
+    media_id: string;
+  }
+}>
+type SendMsgmenu = Send<{
+  msgmenu: {
+    head_content: string;
+    tail_content: string;
+    list: Array<{
+      id: string;
+      content: string;
+    }>
+  }
+}>
+type SendWxcard = Send<{
+  wxcard: {
+    card_id: string;
+  }
+}>
+type SendMiniprogrampage = Send<{
+  miniprogrampage: {
+    title: string;
+    appid: string;
+    pagepath: string;
+    thumb_media_id: string;
+  }
+}>
+type SendCustomservice = Send<{
+  customservice: {
+    kf_account: string;
+  }
+}>
+type SendAimsgcontext = Send<{
+  aimsgcontext: {
+    /**
+     * 消息下方增加灰色 wording “内容由第三方AI生成” 0 不增加 1 增加
+     */
+    is_ai_msg: number;
+  }
+}>
+
+export type WxSendMsgType = SendText | SendImage | SendVoice | SendVideo | SendMusic | SendNews | SendMpnews | SendMsgmenu | SendWxcard | SendMiniprogrampage | SendCustomservice | SendAimsgcontext;