50 lines
1.4 KiB
Python
50 lines
1.4 KiB
Python
import os
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import sqlite3
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import pathlib
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from sqlalchemy import create_engine
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from sqlalchemy.orm import sessionmaker
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from sqlalchemy.ext.declarative import declarative_base
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from server.models.token_model import Base, AgentToken
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from server.models.user_model import User, OperationLog
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class DBManager:
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"""数据库管理器"""
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def __init__(self):
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self.db_path = os.path.join("saves", "data", "server.db")
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self.ensure_db_dir()
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# 创建SQLAlchemy引擎
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self.engine = create_engine(f"sqlite:///{self.db_path}")
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# 创建会话工厂
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self.Session = sessionmaker(bind=self.engine)
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# 确保表存在
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self.create_tables()
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def ensure_db_dir(self):
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"""确保数据库目录存在"""
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db_dir = os.path.dirname(self.db_path)
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pathlib.Path(db_dir).mkdir(parents=True, exist_ok=True)
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def create_tables(self):
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"""创建数据库表"""
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Base.metadata.create_all(self.engine)
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def check_first_run(self):
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"""检查是否首次运行"""
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session = self.get_session()
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try:
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# 检查是否有任何用户存在
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return session.query(User).count() == 0
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finally:
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session.close()
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def get_session(self):
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"""获取数据库会话"""
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return self.Session()
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# 创建全局数据库管理器实例
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db_manager = DBManager() |