fix: 微信登陆随机账号

app/src/routes/wx/services.ts

@@ -3,9 +3,11 @@ import { useContextKey } from '@kevisual/use-config/context';
 import { UserModel } from '@kevisual/code-center-module';
 import { Buffer } from 'buffer';
 import { CustomError } from '@kevisual/router';
+import { customAlphabet } from 'nanoid';
+const nanoid = customAlphabet('abcdefghijklmnopqrstuvwxyz', 10);
 const User = useContextKey<typeof UserModel>('UserModel');
 export class WxServices {
-  token: WxTokenResponse;
+  wxToken: WxTokenResponse;
   // 创建一个webToken，用户登录
   webToken: string;
   accessToken: string;
@@ -16,12 +18,31 @@ export class WxServices {
   constructor() {
     //
   }
+  async checkUserExist(username: string) {
+    const user = await User.findOne({
+      where: {
+        username,
+      },
+    });
+    return !!user;
+  }
+  async randomUsername() {
+    const a = customAlphabet('abcdefghijklmnopqrstuvwxyz', 10);
+    const b = customAlphabet('1234567890', 10);
+    const random = '@' + a(4) + '' + b(4);
+    const user = await this.checkUserExist(random);
+    if (user) {
+      return this.randomUsername();
+    }
+    return random;
+  }
   async login(code: string) {
     const token = await fetchToken(code);
     console.log('login token', token);
     if (!token.unionid) {
       throw new CustomError(400, 'code is invalid, wxdata can not be found');
     }
+    this.wxToken = token;
     const unionid = token.unionid;
     let user = await User.findOne({
       where: {
@@ -41,7 +62,8 @@ export class WxServices {
       console.log('mp-user login openid update=============', token.openid, token.unionid);
     }
     if (!user) {
-      user = await User.createUser(unionid, unionid.slice(0, 8));
+      const username = await this.randomUsername();
+      user = await User.createUser(username, nanoid(10));
       user.data = {
         ...user.data,
         // @ts-ignore
@@ -72,16 +94,23 @@ export class WxServices {
 
   async checkHasUser() {}
   async getUserInfo() {
-    const userInfo = await getUserInfo(this.token.access_token, this.token.openid);
-    const { nickname, headimgurl } = userInfo;
-    this.user.nickname = nickname;
     try {
-      const downloadImgUrl = await this.downloadImg(headimgurl);
-      this.user.avatar = downloadImgUrl;
+      if (!this.wxToken) {
+        throw new CustomError(400, 'wxToken is not set');
+      }
+      const userInfo = await getUserInfo(this.wxToken.access_token, this.wxToken.openid);
+      const { nickname, headimgurl } = userInfo;
+      this.user.nickname = nickname;
+      try {
+        const downloadImgUrl = await this.downloadImg(headimgurl);
+        this.user.avatar = downloadImgUrl;
+      } catch (error) {
+        console.error('Error downloading or converting image:', error);
+      }
+      await this.user.save();
     } catch (error) {
-      console.error('Error downloading or converting image:', error);
+      console.error('Error getting user info:', error);
     }
-    await this.user.save();
   }
   /**
    * 转成base64