聊天：登录时处理最近私聊过的用户信息

shared/db/ChatInfo.ts

@@ -1,9 +1,12 @@
 import BaseModel from './BaseModel';
 import { index, getModelForClass, prop, DocumentType, modelOptions } from '@typegoose/typegoose';
 
-class PrivateChatRec {
+export class PrivateChatRec {
+  @prop({ required: true, default: '' })
   targetRoleId: string; // 聊天玩家 roleId
+  @prop({ required: false })
   lastReadTime: Date; // 最后查看时间，用来检查未读消息数
+  @prop({ required: true })
   lastChatTime: Date; // 最后聊天时间
 }
 
@@ -26,7 +29,7 @@ export default class ChatInfo extends BaseModel {
   BSSources: [string]; // 弹幕打开的消息来源
   @prop({ required: true, default: '' })
   bubbleId: string; // 气泡编号
-  @prop({ required: true, type: PrivateChatRec, default: [] })
+  @prop({ required: true, type: PrivateChatRec, default: [], _id: false })
   recentPrivateChats: [PrivateChatRec]; // 最近聊天列表
 
   public static async createInfo(data: ChatInfoParam) {
@@ -40,6 +43,12 @@ export default class ChatInfo extends BaseModel {
     let result = await ChatInfoModel.findOne({ roleId }).select('-_id').lean();
     return result;
   }
+
+  public static async updateInfo(data: ChatInfoParam) {
+    const roleId = data.roleId!;
+    const result = await ChatInfoModel.findOneAndUpdate({ roleId }, { $set: { ...data } }, { new: true }).select('-_id').lean();
+    return result;
+  }
 }