活动：新手限定礼包

shared/db/ActivityShop.ts

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+import BaseModel from './BaseModel';
+import { index, getModelForClass, prop, DocumentType } from '@typegoose/typegoose';
+
+
+/**
+  * 购买记录
+*/
+
+export class BuyRecord {
+    @prop({ required: true })
+    id: number; //物品id标识
+    @prop({ required: true })
+    time: Date; //购买时间
+}
+
+
+/**
+  * 活动系统 - 新手限定、每日限购、每周限购
+*/
+@index({ roleId: 1 })
+
+export default class ActivityShop extends BaseModel {
+    @prop({ required: true })
+    activityId: number;				// 活动Id
+    @prop({ required: true })
+    roleId: string;			        // 用户Id
+    @prop({ required: true })
+    roundIndex: number;				// 第几个周期，从1开始
+    @prop({ required: true })
+    records: BuyRecord[];		    // 购买记录
+
+    //购买领取奖励的记录
+    public static async addRecord(activityId: number, roleId: string, roundIndex: number, id: number) {
+        let result: ActivityShopModelType = await ActivityShopModel.findOneAndUpdate({ roleId, activityId, roundIndex },
+            { $push: { records: { id, time: new Date() } } }, { upsert: true, new: true }).lean(true);
+        return result;
+    }
+
+    //根据活动id查询活动数据
+    public static async findData(activityId: number, roleId: string, roundIndex: number) {
+        let result: ActivityShopModelType = await ActivityShopModel.findOne({ roleId, activityId, roundIndex }).lean(true);
+        return result;
+    }
+
+    //删除活动领取记录
+    public static async deleteActivity(activityId: number, roleId: string, roundIndex: number) {
+        await ActivityShopModel.deleteMany({ roleId, activityId, roundIndex });
+    }
+}
+
+export const ActivityShopModel = getModelForClass(ActivityShop);
+
+export interface ActivityShopModelType extends Pick<DocumentType<ActivityShop>, keyof ActivityShop> { }
+export type ActivityShopModelTypeParam = Partial<ActivityShopModelType>; // 将所有字段变成可选项