349 lines
11 KiB
Python
349 lines
11 KiB
Python
# -*- coding: utf-8 -*-
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"""
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数据库状态
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"""
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from datetime import datetime, timedelta
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from random import choices
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from typing import Any
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from pydantic_ai import ModelMessage, ModelMessagesTypeAdapter
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from pydantic_ai._uuid import uuid7
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import reflex as rx
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from sqlalchemy import desc
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from sqlmodel import Field, JSON, SQLModel, select, update
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from application.states.models import (
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Conversation,
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TaskType,
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TaskStatus,
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RunStatus,
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MessageType,
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Task,
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Run,
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Message,
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deps_to_object,
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usage_validate_python,
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usage_limits_to_object,
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)
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class VerificationCodeRecord(SQLModel, table=True, table_name="verification_code"):
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"""
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验证码记录
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"""
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email: str = Field(..., primary_key=True, description="邮箱")
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verification_code: str = Field(
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default_factory=lambda: "".join(choices("0123456789", k=6)),
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primary_key=True,
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description="验证码",
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)
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is_valid: bool = Field(
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default=True,
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index=True,
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description="验证码有效：True 表示有效，False 表示无效",
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)
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is_verified: bool = Field(
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default=False,
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index=True,
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description="验证码已核验：True 表示已核验，False 表示未核验",
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)
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expired_at: datetime = Field(
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default_factory=lambda: datetime.now() + timedelta(minutes=30),
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primary_key=True,
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description="过期时间",
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)
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class UserRecord(SQLModel, table=True, table_name="user"):
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"""
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用户记录
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"""
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id: str = Field(
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default_factory=lambda: str(uuid7()),
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primary_key=True,
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description="用户唯一标识",
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)
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email: str = Field(..., index=True, description="邮箱")
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class ConversationRecord(SQLModel, table=True, table_name="conversation"):
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"""
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会话记录
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"""
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id: str = Field(
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default_factory=lambda: str(uuid7()),
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primary_key=True,
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description="会话唯一标识",
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)
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user_id: str = Field(..., index=True, description="用户唯一标识")
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description: str = Field(default="新会话", description="会话描述")
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usage: dict[str, Any] = Field(
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default_factory=dict, sa_type=JSON, description="会话使用量"
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)
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is_deleted: bool = Field(
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default=False,
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index=True,
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description="会话已删除：True 表示已删除，False 表示未删除",
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)
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created_at: datetime = Field(
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default_factory=datetime.now, description="会话创建时间"
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)
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class MessageRecord(SQLModel, table=True, table_name="message"):
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"""
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消息记录
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"""
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id: str = Field(
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default_factory=lambda: str(uuid7()),
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primary_key=True,
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description="消息唯一标识",
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)
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conversation_id: str = Field(..., index=True, description="会话唯一标识")
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type: MessageType = Field(..., description="消息类型")
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title: str = Field(default="", description="消息标题")
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content: str = Field(default="", description="消息内容")
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class DatabaseState(rx.State):
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"""
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数据库状态
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"""
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async def create_verification_code_record(self, email: str) -> str:
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"""
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创建验证码记录
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:param email: 邮箱
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:return: 验证码
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"""
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async with rx.asession() as session:
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# 先将该邮箱有效、未核验的验证码记录设置为无效
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await session.exec(
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update(VerificationCodeRecord)
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.where(
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VerificationCodeRecord.email == email, # type: ignore
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VerificationCodeRecord.is_valid == True, # type: ignore
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VerificationCodeRecord.is_verified == False, # type: ignore
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)
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.values(is_valid=False)
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)
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await session.flush()
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# 创建验证码记录
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record = VerificationCodeRecord(
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email=email,
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)
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session.add(record)
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await session.commit()
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await session.refresh(record)
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return record.verification_code
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async def verify_verification_code(
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self, email: str, verification_code: str
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) -> bool:
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"""
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核验验证码
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:param email: 邮箱
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:param verification_code: 验证码
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:return: 是否核验成功，True 表示核验成功，False 表示核验失败（根据邮箱和验证码未查询到有效且未核验的记录，或失效）
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"""
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async with rx.asession() as session:
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result = await session.exec(
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select(VerificationCodeRecord).where(
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VerificationCodeRecord.email == email,
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VerificationCodeRecord.verification_code == verification_code,
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VerificationCodeRecord.is_valid == True,
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VerificationCodeRecord.is_verified == False,
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VerificationCodeRecord.expired_at > datetime.now(),
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)
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)
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record = result.first()
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if not record:
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return False
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record.is_verified = True
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await session.commit()
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await session.refresh(record)
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return True
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async def create_user_record(self, email: str) -> str:
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"""
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创建用户记录
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:param email: 邮箱
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:return: 用户唯一标识
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"""
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async with rx.asession() as session:
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result = await session.exec(
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select(UserRecord).where(UserRecord.email == email)
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)
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record = result.first()
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# 若用户记录已存在则返回用户唯一标识，否则先创建用户记录再返回用户唯一标识
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if record:
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return record.id
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record = UserRecord(email=email)
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session.add(record)
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await session.commit()
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await session.refresh(record)
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return record.id
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async def get_conversations(self, user_id: str) -> dict[str, Conversation]:
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"""
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获取当前用户的会话字典
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:param user_id: 用户唯一标识
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:return: 当前用户的会话字典
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"""
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conversations: dict[str, Conversation] = {}
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async with rx.asession() as session:
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result = await session.exec(
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select(ConversationRecord, MessageRecord)
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.outerjoin(MessageRecord, MessageRecord.conversation_id == ConversationRecord.id) # type: ignore
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.where(
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ConversationRecord.user_id == user_id,
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ConversationRecord.is_deleted == False,
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)
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.order_by(ConversationRecord.id, MessageRecord.id)
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)
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for (
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conversation_record,
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message_record,
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) in result.all():
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conversation = conversations.setdefault(
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conversation_record.id,
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Conversation(
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id=conversation_record.id,
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description=conversation_record.description,
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usage=usage_validate_python(conversation_record.usage),
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created_at=conversation_record.created_at,
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),
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)
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if not message_record:
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continue
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conversation.messages.setdefault(
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message_record.id,
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Message(
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id=message_record.id,
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type=message_record.type,
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title=message_record.title,
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content=message_record.content,
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),
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)
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return conversations
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async def create_conversation_record(self, user_id: str) -> dict[str, Conversation]:
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"""
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创建会话记录
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:param user_id: 用户唯一标识
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:return: 会话实例
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"""
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async with rx.asession() as session:
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record = ConversationRecord(user_id=user_id)
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session.add(record)
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await session.commit()
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await session.refresh(record)
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return {
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record.id: Conversation(
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id=record.id,
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description=record.description,
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created_at=record.created_at,
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)
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}
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async def delete_conversation_record(self, conversation_id: str) -> None:
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"""
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删除会话记录（逻辑删除）
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:param conversation_id: 指定会话唯一标识
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:return: None
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"""
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async with rx.asession() as session:
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record = await session.get(ConversationTable, conversation_id)
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if not record:
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return
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record.is_deleted = True
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await session.commit()
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async def create_dialog_record(
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self,
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conversation_id: str,
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id: str,
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user_prompt: str,
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thoughts: dict[int, Any],
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result_output: str,
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usage: dict[str, Any],
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) -> dict[str, Dialog]:
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"""
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创建对话记录
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:param conversation_id: 会话唯一标识
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:param user_prompt: 用户提示词
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:param result_output: 结果输出
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:return: 创建对话记录的唯一标识
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"""
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async with rx.asession() as session:
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record = DialogRecord(
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id=id,
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conversation_id=conversation_id,
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user_prompt=user_prompt,
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thoughts=thoughts,
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result_output=result_output,
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usage=usage,
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)
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session.add(record)
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await session.commit()
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await session.refresh(record)
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return {
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record.id: Dialog(
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id=record.id,
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user_prompt=record.user_prompt,
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thoughts=record.thoughts,
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result_output=record.result_output,
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usage=record.usage,
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)
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}
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async def create_result_record(
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self,
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conversation_id: str,
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dialog_id: str,
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new_messages: list[ModelMessage],
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) -> None:
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"""
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创建结果记录
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:param conversation_id: 会话唯一标识
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:param dialog_id: 对话唯一标识
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:param new_messages: 新增消息
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:return: None
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"""
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async with rx.asession() as session:
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session.add(
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ResultRecord(
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conversation_id=conversation_id,
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dialog_id=dialog_id,
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new_messages=ModelMessagesTypeAdapter.dump_json(
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new_messages
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).decode(
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"utf-8"
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), # 序列化为 JSON 字符串
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)
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)
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await session.commit()
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async def get_message_history(self, conversation_id: str) -> list[ModelMessage]:
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"""
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获取消息历史列表
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:param conversation_id: 会话唯一标识
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:return: 消息历史
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"""
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records: list[ModelMessage] = []
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async with rx.asession() as session:
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result = await session.exec(
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select(ResultRecord)
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.where(ResultRecord.conversation_id == conversation_id)
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.order_by(desc(ResultRecord.dialog_id))
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)
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for record in result.all():
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records.extend(
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ModelMessagesTypeAdapter.validate_json(record.new_messages)
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)
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return records
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