feat: 初始化考培练系统项目

- 从服务器拉取完整代码
- 按框架规范整理项目结构
- 配置 Drone CI 测试环境部署
- 包含后端(FastAPI)、前端(Vue3)、管理端

技术栈: Vue3 + TypeScript + FastAPI + MySQL

backend/test_user_statistics.py

@@ -0,0 +1,137 @@
+#!/usr/bin/env python
+"""
+测试用户统计接口
+"""
+
+import asyncio
+import sys
+from pathlib import Path
+import aiomysql
+import os
+from datetime import datetime
+
+# 添加项目根目录到 Python 路径
+project_root = Path(__file__).parent
+sys.path.append(str(project_root))
+
+from app.core.config import settings
+
+async def check_user_data():
+    """检查用户数据"""
+    try:
+        # 从环境变量或配置中获取数据库连接信息
+        database_url = os.getenv("DATABASE_URL", settings.DATABASE_URL)
+        
+        # 解析数据库连接字符串
+        if database_url.startswith("mysql+aiomysql://"):
+            url = database_url.replace("mysql+aiomysql://", "")
+        else:
+            url = database_url
+            
+        # 解析连接参数
+        auth_host = url.split("@")[1]
+        user_pass = url.split("@")[0]
+        host_port_db = auth_host.split("/")
+        host_port = host_port_db[0].split(":")
+        
+        user = user_pass.split(":")[0]
+        password = user_pass.split(":")[1]
+        host = host_port[0]
+        port = int(host_port[1]) if len(host_port) > 1 else 3306
+        database = host_port_db[1].split("?")[0] if len(host_port_db) > 1 else "kaopeilian"
+        
+        print(f"连接数据库: {host}:{port}/{database}")
+        
+        # 创建数据库连接
+        conn = await aiomysql.connect(
+            host=host,
+            port=port,
+            user=user,
+            password=password,
+            db=database,
+            charset='utf8mb4'
+        )
+        
+        async with conn.cursor() as cursor:
+            # 1. 查看考试记录及状态
+            print("\n=== 考试记录 ===")
+            await cursor.execute("""
+                SELECT id, user_id, exam_name, status, score, question_count
+                FROM exams
+                WHERE user_id IN (SELECT id FROM users WHERE username IN ('admin', 'testuser'))
+                ORDER BY created_at DESC
+                LIMIT 10
+            """)
+            exams = await cursor.fetchall()
+            for exam in exams:
+                print(f"考试ID: {exam[0]}, 用户ID: {exam[1]}, 名称: {exam[2]}, 状态: {exam[3]}, 分数: {exam[4]}, 题数: {exam[5]}")
+            
+            # 2. 查看陪练会话记录
+            print("\n=== 陪练会话记录 ===")
+            await cursor.execute("""
+                SELECT id, user_id, scene_id, start_time, duration_seconds, status
+                FROM training_sessions
+                WHERE user_id IN (SELECT id FROM users WHERE username IN ('admin', 'testuser'))
+                ORDER BY created_at DESC
+                LIMIT 10
+            """)
+            sessions = await cursor.fetchall()
+            for session in sessions:
+                print(f"会话ID: {session[0]}, 用户ID: {session[1]}, 场景ID: {session[2]}, 开始时间: {session[3]}, 时长: {session[4]}秒, 状态: {session[5]}")
+            
+            # 3. 统计每个用户的数据
+            print("\n=== 用户统计数据 ===")
+            users = [('admin', 1), ('testuser', 3)]
+            for username, user_id in users:
+                print(f"\n用户: {username} (ID: {user_id})")
+                
+                # 学习天数
+                await cursor.execute("""
+                    SELECT COUNT(DISTINCT DATE(start_time))
+                    FROM training_sessions
+                    WHERE user_id = %s
+                """, (user_id,))
+                learning_days = (await cursor.fetchone())[0] or 0
+                print(f"  学习天数: {learning_days}")
+                
+                # 总时长
+                await cursor.execute("""
+                    SELECT COALESCE(SUM(duration_seconds), 0)
+                    FROM training_sessions
+                    WHERE user_id = %s
+                """, (user_id,))
+                total_seconds = (await cursor.fetchone())[0] or 0
+                total_hours = round(float(total_seconds) / 3600.0, 1) if total_seconds else 0.0
+                print(f"  学习时长: {total_hours} 小时 ({total_seconds} 秒)")
+                
+                # 练习题数 - 检查不同状态
+                for status in ['completed', 'submitted']:
+                    await cursor.execute("""
+                        SELECT COALESCE(SUM(question_count), 0)
+                        FROM exams
+                        WHERE user_id = %s AND status = %s
+                    """, (user_id, status))
+                    questions = (await cursor.fetchone())[0] or 0
+                    print(f"  练习题数({status}): {questions}")
+                
+                # 平均分 - 检查不同状态
+                for status in ['completed', 'submitted']:
+                    await cursor.execute("""
+                        SELECT AVG(score)
+                        FROM exams
+                        WHERE user_id = %s AND status = %s
+                    """, (user_id, status))
+                    avg_score = await cursor.fetchone()
+                    avg_score_val = round(float(avg_score[0]), 1) if avg_score[0] is not None else 0.0
+                    print(f"  平均分({status}): {avg_score_val}")
+                
+        conn.close()
+        
+    except Exception as e:
+        print(f"执行失败: {e}")
+        import traceback
+        traceback.print_exc()
+
+if __name__ == "__main__":
+    print("检查用户统计数据...")
+    asyncio.run(check_user_data())