286 lines
12 KiB
Python
286 lines
12 KiB
Python
"""ORM model definitions"""
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from datetime import datetime
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from typing import Optional, List
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from sqlalchemy import String, Integer, Boolean, Float, Text, DateTime, ForeignKey
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from luxx.database import Base
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def local_now():
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return datetime.now()
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class LLMProvider(Base):
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"""LLM Provider configuration model"""
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__tablename__ = "llm_providers"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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name: Mapped[str] = mapped_column(String(100), nullable=False)
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provider_type: Mapped[str] = mapped_column(String(50), nullable=False, default="openai")
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base_url: Mapped[str] = mapped_column(String(500), nullable=False)
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api_key: Mapped[str] = mapped_column(String(500), nullable=False)
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default_model: Mapped[str] = mapped_column(String(100), nullable=False, default="gpt-4")
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max_tokens: Mapped[int] = mapped_column(Integer, default=8192)
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is_default: Mapped[bool] = mapped_column(Boolean, default=False)
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enabled: Mapped[bool] = mapped_column(Boolean, default=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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user: Mapped["User"] = relationship("User", backref="llm_providers")
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def to_dict(self, include_key: bool = False):
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result = {
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"id": self.id,
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"user_id": self.user_id,
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"name": self.name,
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"provider_type": self.provider_type,
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"base_url": self.base_url,
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"default_model": self.default_model,
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"max_tokens": self.max_tokens,
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"is_default": self.is_default,
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"enabled": self.enabled,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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"updated_at": self.updated_at.isoformat() if self.updated_at else None
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}
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if include_key:
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result["api_key"] = self.api_key
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return result
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class Project(Base):
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"""Project model"""
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__tablename__ = "projects"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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name: Mapped[str] = mapped_column(String(255), nullable=False)
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description: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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user: Mapped["User"] = relationship("User", backref="projects")
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class User(Base):
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"""User model"""
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__tablename__ = "users"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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username: Mapped[str] = mapped_column(String(50), unique=True, nullable=False)
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email: Mapped[Optional[str]] = mapped_column(String(120), unique=True, nullable=True)
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password_hash: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
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role: Mapped[str] = mapped_column(String(20), default="user")
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permission_level: Mapped[int] = mapped_column(Integer, default=1)
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workspace_path: Mapped[Optional[str]] = mapped_column(String(500), nullable=True)
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is_active: Mapped[bool] = mapped_column(Boolean, default=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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conversations: Mapped[List["Conversation"]] = relationship(
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"Conversation", back_populates="user", cascade="all, delete-orphan"
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)
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def to_dict(self):
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return {
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"id": self.id,
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"username": self.username,
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"email": self.email,
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"role": self.role,
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"permission_level": self.permission_level,
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"workspace_path": self.workspace_path,
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"is_active": self.is_active,
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"created_at": self.created_at.isoformat() if self.created_at else None
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}
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class Conversation(Base):
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"""Conversation model"""
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__tablename__ = "conversations"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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provider_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("llm_providers.id"), nullable=True)
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project_id: Mapped[Optional[str]] = mapped_column(String(64), ForeignKey("projects.id"), nullable=True)
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title: Mapped[str] = mapped_column(String(255), nullable=False)
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model: Mapped[str] = mapped_column(String(64), nullable=False, default="deepseek-chat")
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system_prompt: Mapped[str] = mapped_column(Text, nullable=False, default="You are a helpful assistant.")
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temperature: Mapped[float] = mapped_column(Float, default=0.7)
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max_tokens: Mapped[int] = mapped_column(Integer, default=2000)
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thinking_enabled: Mapped[bool] = mapped_column(Boolean, default=False)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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user: Mapped["User"] = relationship("User", back_populates="conversations")
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provider: Mapped[Optional["LLMProvider"]] = relationship("LLMProvider")
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messages: Mapped[List["Message"]] = relationship(
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"Message", back_populates="conversation", cascade="all, delete-orphan",
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primaryjoin="Conversation.id == foreign(Message.conversation_id)"
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)
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def to_dict(self):
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return {
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"id": self.id,
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"user_id": self.user_id,
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"provider_id": self.provider_id,
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"project_id": self.project_id,
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"title": self.title,
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"model": self.model,
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"system_prompt": self.system_prompt,
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"temperature": self.temperature,
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"max_tokens": self.max_tokens,
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"thinking_enabled": self.thinking_enabled,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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"updated_at": self.updated_at.isoformat() if self.updated_at else None
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}
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class Message(Base):
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"""Message model
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同时服务于普通会话和聊天室：
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- 普通会话：conversation_id 非空，room_id 为空
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- 聊天室：room_id 非空，conversation_id 为空，sender_name/sender_color/round_number 有值
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"""
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__tablename__ = "messages"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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conversation_id: Mapped[Optional[str]] = mapped_column(String(64), ForeignKey("conversations.id"), nullable=True)
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room_id: Mapped[Optional[str]] = mapped_column(String(64), ForeignKey("chat_rooms.id"), nullable=True)
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role: Mapped[str] = mapped_column(String(16), nullable=False)
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content: Mapped[str] = mapped_column(Text, nullable=False, default="")
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token_count: Mapped[int] = mapped_column(Integer, default=0)
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usage: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
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# 聊天室专属字段（普通会话为空）
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sender_name: Mapped[Optional[str]] = mapped_column(String(100), nullable=True)
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sender_color: Mapped[Optional[str]] = mapped_column(String(7), nullable=True, default="#2563eb")
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round_number: Mapped[Optional[int]] = mapped_column(Integer, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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conversation: Mapped[Optional["Conversation"]] = relationship("Conversation", back_populates="messages")
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room: Mapped[Optional["ChatRoom"]] = relationship("ChatRoom", back_populates="messages")
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def to_dict(self):
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import json
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result = {
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"id": self.id,
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"conversation_id": self.conversation_id,
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"room_id": self.room_id,
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"role": self.role,
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"token_count": self.token_count,
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"created_at": self.created_at.isoformat() if self.created_at else None
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}
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if self.usage:
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try:
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result["usage"] = json.loads(self.usage)
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except json.JSONDecodeError:
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result["usage"] = None
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# 聊天室专属字段
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if self.sender_name:
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result["sender_name"] = self.sender_name
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if self.sender_color:
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result["sender_color"] = self.sender_color
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if self.round_number is not None:
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result["round_number"] = self.round_number
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try:
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content_obj = json.loads(self.content) if self.content else {}
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except json.JSONDecodeError:
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result["content"] = self.content
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result["text"] = self.content
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result["attachments"] = []
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result["process_steps"] = []
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return result
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steps = content_obj.get("steps", [])
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result["process_steps"] = steps
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text_content = "".join(
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s.get("content", "") for s in steps
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if s.get("type") == "text"
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)
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result["text"] = text_content
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result["content"] = text_content
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result["attachments"] = content_obj.get("attachments", [])
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return result
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# ============ Chat Room Models ============
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class ChatRoom(Base):
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"""Multi-agent chat room model"""
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__tablename__ = "chat_rooms"
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id: Mapped[str] = mapped_column(String(64), primary_key=True)
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user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
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title: Mapped[str] = mapped_column(String(255), nullable=False)
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task: Mapped[str] = mapped_column(Text, nullable=False, default="")
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status: Mapped[str] = mapped_column(String(20), nullable=False, default="idle") # idle, running, paused, completed, error
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max_rounds: Mapped[int] = mapped_column(Integer, default=5)
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current_round: Mapped[int] = mapped_column(Integer, default=0)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=local_now)
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updated_at: Mapped[datetime] = mapped_column(DateTime, default=local_now, onupdate=local_now)
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user: Mapped["User"] = relationship("User", backref="chat_rooms")
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agents: Mapped[List["RoomAgent"]] = relationship(
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"RoomAgent", back_populates="room", cascade="all, delete-orphan", order_by="RoomAgent.turn_order"
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)
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messages: Mapped[List["Message"]] = relationship(
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"Message", back_populates="room", cascade="all, delete-orphan",
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primaryjoin="ChatRoom.id == foreign(Message.room_id)",
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order_by="Message.created_at"
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)
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def to_dict(self, include_messages: bool = False):
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result = {
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"id": self.id,
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"user_id": self.user_id,
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"title": self.title,
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"task": self.task,
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"status": self.status,
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"max_rounds": self.max_rounds,
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"current_round": self.current_round,
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"created_at": self.created_at.isoformat() if self.created_at else None,
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"updated_at": self.updated_at.isoformat() if self.updated_at else None,
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"agents": [a.to_dict() for a in self.agents]
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}
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if include_messages:
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result["messages"] = [m.to_dict() for m in self.messages]
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return result
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class RoomAgent(Base):
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"""Agent configuration in a chat room"""
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__tablename__ = "room_agents"
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id: Mapped[int] = mapped_column(Integer, primary_key=True)
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room_id: Mapped[str] = mapped_column(String(64), ForeignKey("chat_rooms.id"), nullable=False)
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name: Mapped[str] = mapped_column(String(100), nullable=False)
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role: Mapped[str] = mapped_column(String(255), nullable=False, default="")
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provider_id: Mapped[Optional[int]] = mapped_column(Integer, ForeignKey("llm_providers.id"), nullable=True)
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model: Mapped[str] = mapped_column(String(100), nullable=False, default="")
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system_prompt: Mapped[str] = mapped_column(Text, nullable=False, default="You are a helpful AI assistant.")
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color: Mapped[str] = mapped_column(String(7), nullable=False, default="#2563eb")
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turn_order: Mapped[int] = mapped_column(Integer, default=0)
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room: Mapped["ChatRoom"] = relationship("ChatRoom", back_populates="agents")
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provider: Mapped[Optional["LLMProvider"]] = relationship("LLMProvider")
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def to_dict(self):
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return {
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"id": self.id,
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"room_id": self.room_id,
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"name": self.name,
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"role": self.role,
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"provider_id": self.provider_id,
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"model": self.model,
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"system_prompt": self.system_prompt,
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"color": self.color,
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"turn_order": self.turn_order
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}
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