Clawith/backend/app/models/tool.py

63 lines
3.4 KiB
Python

"""Tool and AgentTool models for dynamic tool management."""
import uuid
from datetime import datetime
from sqlalchemy import Boolean, DateTime, ForeignKey, String, Text, func
from sqlalchemy.dialects.postgresql import JSON, UUID
from sqlalchemy.orm import Mapped, mapped_column
from app.database import Base
class Tool(Base):
"""A tool that can be assigned to agents.
Types:
- builtin: Hardcoded tools (file ops, task mgmt, feishu, web search, etc.)
- mcp: External tools connected via Model Context Protocol
"""
__tablename__ = "tools"
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
name: Mapped[str] = mapped_column(String(100), unique=True) # "web_search", "list_files"
display_name: Mapped[str] = mapped_column(String(200)) # "互联网搜索"
description: Mapped[str] = mapped_column(Text, default="")
type: Mapped[str] = mapped_column(String(20), default="builtin") # builtin | mcp
category: Mapped[str] = mapped_column(String(50), default="general") # file, task, communication, search, custom
icon: Mapped[str] = mapped_column(String(10), default="🔧")
# OpenAI function-calling parameters schema
parameters_schema: Mapped[dict] = mapped_column(JSON, default=dict)
# Runtime configuration (admin-editable settings)
config: Mapped[dict] = mapped_column(JSON, default=dict) # actual values, e.g. {"search_engine": "duckduckgo"}
config_schema: Mapped[dict] = mapped_column(JSON, default=dict) # UI schema describing configurable fields
# MCP-specific fields
mcp_server_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
mcp_server_name: Mapped[str | None] = mapped_column(String(200), nullable=True)
mcp_tool_name: Mapped[str | None] = mapped_column(String(200), nullable=True) # tool name on the MCP server
enabled: Mapped[bool] = mapped_column(Boolean, default=True) # global toggle
is_default: Mapped[bool] = mapped_column(Boolean, default=False) # auto-assigned to new agents
source: Mapped[str] = mapped_column(String(20), default="builtin") # "builtin" | "admin" | "agent"
tenant_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())
class AgentTool(Base):
"""Junction table: which tools are enabled for which agent."""
__tablename__ = "agent_tools"
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
agent_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("agents.id", ondelete="CASCADE"))
tool_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("tools.id", ondelete="CASCADE"))
enabled: Mapped[bool] = mapped_column(Boolean, default=True)
config: Mapped[dict] = mapped_column(JSON, default=dict) # per-agent tool config overrides
source: Mapped[str] = mapped_column(String(20), default="system") # "system" | "user_installed"
installed_by_agent_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), nullable=True) # agent that installed this tool
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())