164 lines
6.5 KiB
Python
164 lines
6.5 KiB
Python
import os
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from typing import Optional, List
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from dataclasses import dataclass
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from sqlmodel import Field, Session, SQLModel, create_engine, select
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from src.common.logger import get_logger
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logger = get_logger("napcat_adapter")
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"""
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表记录的方式：
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| group_id | user_id | lift_time |
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|----------|---------|-----------|
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其中使用 user_id == 0 表示群全体禁言
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"""
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@dataclass
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class BanUser:
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"""
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程序处理使用的实例
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"""
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user_id: int
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group_id: int
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lift_time: Optional[int] = Field(default=-1)
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class DB_BanUser(SQLModel, table=True):
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"""
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表示数据库中的用户禁言记录。
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使用双重主键
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"""
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user_id: int = Field(index=True, primary_key=True) # 被禁言用户的用户 ID
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group_id: int = Field(index=True, primary_key=True) # 用户被禁言的群组 ID
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lift_time: Optional[int] # 禁言解除的时间（时间戳）
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def is_identical(obj1: BanUser, obj2: BanUser) -> bool:
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"""
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检查两个 BanUser 对象是否相同。
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"""
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return obj1.user_id == obj2.user_id and obj1.group_id == obj2.group_id
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class DatabaseManager:
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"""
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数据库管理类，负责与数据库交互。
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"""
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def __init__(self):
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os.makedirs(os.path.join(os.path.dirname(__file__), "..", "data"), exist_ok=True) # 确保数据目录存在
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DATABASE_FILE = os.path.join(os.path.dirname(__file__), "..", "data", "NapcatAdapter.db")
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self.sqlite_url = f"sqlite:///{DATABASE_FILE}" # SQLite 数据库 URL
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self.engine = create_engine(self.sqlite_url, echo=False) # 创建数据库引擎
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self._ensure_database() # 确保数据库和表已创建
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def _ensure_database(self) -> None:
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"""
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确保数据库和表已创建。
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"""
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logger.info("确保数据库文件和表已创建...")
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SQLModel.metadata.create_all(self.engine)
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logger.info("数据库和表已创建或已存在")
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def update_ban_record(self, ban_list: List[BanUser]) -> None:
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# sourcery skip: class-extract-method
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"""
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更新禁言列表到数据库。
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支持在不存在时创建新记录，对于多余的项目自动删除。
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"""
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with Session(self.engine) as session:
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all_records = session.exec(select(DB_BanUser)).all()
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for ban_user in ban_list:
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statement = select(DB_BanUser).where(
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DB_BanUser.user_id == ban_user.user_id, DB_BanUser.group_id == ban_user.group_id
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)
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if existing_record := session.exec(statement).first():
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if existing_record.lift_time == ban_user.lift_time:
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logger.debug(f"禁言记录未变更: {existing_record}")
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continue
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# 更新现有记录的 lift_time
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existing_record.lift_time = ban_user.lift_time
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session.add(existing_record)
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logger.debug(f"更新禁言记录: {existing_record}")
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else:
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# 创建新记录
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db_record = DB_BanUser(
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user_id=ban_user.user_id, group_id=ban_user.group_id, lift_time=ban_user.lift_time
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)
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session.add(db_record)
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logger.debug(f"创建新禁言记录: {ban_user}")
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# 删除不在 ban_list 中的记录
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for db_record in all_records:
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record = BanUser(user_id=db_record.user_id, group_id=db_record.group_id, lift_time=db_record.lift_time)
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if not any(is_identical(record, ban_user) for ban_user in ban_list):
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statement = select(DB_BanUser).where(
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DB_BanUser.user_id == record.user_id, DB_BanUser.group_id == record.group_id
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)
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if ban_record := session.exec(statement).first():
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session.delete(ban_record)
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logger.debug(f"删除禁言记录: {ban_record}")
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else:
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logger.info(f"未找到禁言记录: {ban_record}")
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logger.info("禁言记录已更新")
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def get_ban_records(self) -> List[BanUser]:
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"""
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读取所有禁言记录。
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"""
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with Session(self.engine) as session:
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statement = select(DB_BanUser)
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records = session.exec(statement).all()
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return [BanUser(user_id=item.user_id, group_id=item.group_id, lift_time=item.lift_time) for item in records]
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def create_ban_record(self, ban_record: BanUser) -> None:
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"""
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为特定群组中的用户创建禁言记录。
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一个简化版本的添加方式，防止 update_ban_record 方法的复杂性。
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其同时还是简化版的更新方式。
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"""
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with Session(self.engine) as session:
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# 检查记录是否已存在
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statement = select(DB_BanUser).where(
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DB_BanUser.user_id == ban_record.user_id, DB_BanUser.group_id == ban_record.group_id
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)
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existing_record = session.exec(statement).first()
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if existing_record:
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# 如果记录已存在，更新 lift_time
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existing_record.lift_time = ban_record.lift_time
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session.add(existing_record)
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logger.debug(f"更新禁言记录: {ban_record}")
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else:
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# 如果记录不存在，创建新记录
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db_record = DB_BanUser(
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user_id=ban_record.user_id, group_id=ban_record.group_id, lift_time=ban_record.lift_time
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)
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session.add(db_record)
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logger.debug(f"创建新禁言记录: {ban_record}")
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def delete_ban_record(self, ban_record: BanUser):
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"""
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删除特定用户在特定群组中的禁言记录。
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一个简化版本的删除方式，防止 update_ban_record 方法的复杂性。
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"""
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user_id = ban_record.user_id
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group_id = ban_record.group_id
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with Session(self.engine) as session:
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statement = select(DB_BanUser).where(DB_BanUser.user_id == user_id, DB_BanUser.group_id == group_id)
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if ban_record := session.exec(statement).first():
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session.delete(ban_record)
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logger.debug(f"删除禁言记录: {ban_record}")
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else:
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logger.info(f"未找到禁言记录: user_id: {user_id}, group_id: {group_id}")
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db_manager = DatabaseManager()
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