Migrate project from typing_practiceweb

server/models/MinesweeperRecord.ts

@@ -0,0 +1,133 @@
+// server/models/MinesweeperRecord.ts
+
+import mongoose, { Document, Schema } from 'mongoose';
+
+// 扫雷难度级别
+export type MinesweeperDifficulty = 'beginner' | 'intermediate' | 'expert' | 'brutal';
+
+// 扫雷游戏记录接口
+export interface IMinesweeperRecord extends Document {
+  userId: mongoose.Types.ObjectId;
+  username: string;
+  fullname: string;
+  difficulty: MinesweeperDifficulty;
+  timeSeconds: number;  // 完成时间（秒）
+  won: boolean;         // 是否获胜
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+// 排行榜聚合结果接口
+export interface IMinesweeperLeaderboardRecord {
+  userId: mongoose.Types.ObjectId;
+  username: string;
+  fullname: string;
+  bestTime: number;     // 最佳时间
+  totalGames: number;   // 总游戏次数
+  wonGames: number;     // 获胜次数
+  winRate: number;      // 胜率
+  lastPlayed: Date;     // 最后游玩时间
+}
+
+// 创建 Schema
+const minesweeperRecordSchema = new Schema<IMinesweeperRecord>({
+  userId: {
+    type: Schema.Types.ObjectId,
+    ref: 'User',
+    required: true
+  },
+  username: {
+    type: String,
+    required: true
+  },
+  fullname: {
+    type: String,
+    required: true
+  },
+  difficulty: {
+    type: String,
+    enum: ['beginner', 'intermediate', 'expert', 'brutal'],
+    required: true
+  },
+  timeSeconds: {
+    type: Number,
+    required: true,
+    min: 0
+  },
+  won: {
+    type: Boolean,
+    required: true
+  }
+}, {
+  timestamps: true
+});
+
+// 创建索引以优化查询性能
+minesweeperRecordSchema.index({ userId: 1, difficulty: 1 });
+minesweeperRecordSchema.index({ difficulty: 1, won: 1, timeSeconds: 1 });
+
+// 获取排行榜的静态方法
+minesweeperRecordSchema.statics.getLeaderboard = function(
+  difficulty: MinesweeperDifficulty,
+  skipCount: number,
+  pageSize: number
+): mongoose.Aggregate<IMinesweeperLeaderboardRecord[]> {
+  return this.aggregate([
+    { 
+      $match: { 
+        difficulty  // 统计所有记录（包括获胜和失败）
+      } 
+    },
+    {
+      $group: {
+        _id: '$userId',
+        username: { $first: '$username' },
+        fullname: { $first: '$fullname' },
+        // 最佳时间只统计获胜的记录
+        bestTime: { 
+          $min: { 
+            $cond: [{ $eq: ['$won', true] }, '$timeSeconds', null] 
+          } 
+        },
+        totalGames: { $sum: 1 },  // 所有游戏次数（获胜+失败）
+        wonGames: { $sum: { $cond: ['$won', 1, 0] } },  // 获胜次数
+        lastPlayed: { $max: '$createdAt' }
+      }
+    },
+    {
+      // 过滤掉没有获胜记录的用户（因为排行榜需要最佳时间）
+      $match: {
+        bestTime: { $ne: null }
+      }
+    },
+    {
+      $addFields: {
+        userId: '$_id',
+        winRate: { 
+          $multiply: [
+            { $divide: ['$wonGames', '$totalGames'] },
+            100
+          ]
+        }
+      }
+    },
+    { $sort: { bestTime: 1 } },  // 按最佳时间升序排序（时间越短越好）
+    { $skip: skipCount },
+    { $limit: pageSize }
+  ]);
+};
+
+// 扩展模型的静态方法类型
+interface MinesweeperRecordModel extends mongoose.Model<IMinesweeperRecord> {
+  getLeaderboard(
+    difficulty: MinesweeperDifficulty,
+    skipCount: number,
+    pageSize: number
+  ): mongoose.Aggregate<IMinesweeperLeaderboardRecord[]>;
+}
+
+// 创建并导出模型
+export const MinesweeperRecord = mongoose.model<IMinesweeperRecord, MinesweeperRecordModel>(
+  'MinesweeperRecord',
+  minesweeperRecordSchema
+);