ForcePilot/backend/package/yuxi/services/filesystem_service.py
2026-03-24 22:37:03 +08:00

157 lines
5.0 KiB
Python

from __future__ import annotations
import asyncio
from fastapi import HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from yuxi.agents.backends import (
create_agent_composite_backend,
resolve_sandbox_backend_async,
)
from yuxi.agents.context import BaseContext
from yuxi.repositories.agent_config_repository import AgentConfigRepository
from yuxi.repositories.conversation_repository import ConversationRepository
from yuxi.services.conversation_service import require_user_conversation
from yuxi.storage.postgres.models_business import User
async def _resolve_filesystem_context(
*,
db: AsyncSession,
user: User,
agent_id: str,
agent_config_id: int | None,
) -> BaseContext:
context = BaseContext(thread_id="", user_id=str(user.id))
repo = AgentConfigRepository(db)
config_item = None
if agent_config_id is not None:
config_item = await repo.get_by_id(config_id=int(agent_config_id))
if config_item is not None and (
config_item.department_id != user.department_id or config_item.agent_id != agent_id
):
config_item = None
if config_item is None:
config_item = await repo.get_or_create_default(
department_id=user.department_id,
agent_id=agent_id,
created_by=str(user.id),
)
context.update_from_dict((config_item.config_json or {}).get("context", {}))
return context
async def _resolve_filesystem_state(
*,
thread_id: str,
user: User,
db: AsyncSession,
agent_id: str | None,
agent_config_id: int | None,
):
conv_repo = ConversationRepository(db)
conversation = await require_user_conversation(conv_repo, thread_id, str(user.id))
runtime_context = await _resolve_filesystem_context(
db=db,
user=user,
agent_id=agent_id or conversation.agent_id,
agent_config_id=agent_config_id,
)
runtime_context.thread_id = thread_id
runtime_context.user_id = str(user.id)
sandbox_backend = await resolve_sandbox_backend_async(thread_id)
return conversation, runtime_context, sandbox_backend
async def list_filesystem_entries_view(
*,
thread_id: str,
path: str,
agent_id: str | None,
agent_config_id: int | None,
current_user: User,
db: AsyncSession,
) -> dict:
if not thread_id:
raise HTTPException(status_code=422, detail="thread_id 不能为空")
normalized_path = (path or "/").strip() or "/"
_conversation, runtime_context, sandbox_backend = await _resolve_filesystem_state(
thread_id=thread_id,
user=current_user,
db=db,
agent_id=agent_id,
agent_config_id=agent_config_id,
)
runtime_stub = type("RuntimeStub", (), {"context": runtime_context})()
composite_backend = create_agent_composite_backend(runtime_stub, sandbox_backend=sandbox_backend)
try:
entries = await asyncio.to_thread(composite_backend.ls_info, normalized_path)
except PermissionError as e:
raise HTTPException(status_code=400, detail=str(e)) from e
except ValueError as e:
raise HTTPException(status_code=422, detail=str(e)) from e
return {"entries": entries or []}
async def read_file_content_view(
*,
thread_id: str,
path: str,
agent_id: str | None,
agent_config_id: int | None,
current_user: User,
db: AsyncSession,
) -> dict:
if not thread_id:
raise HTTPException(status_code=422, detail="thread_id 不能为空")
if not path:
raise HTTPException(status_code=422, detail="path 不能为空")
normalized_path = path.strip()
_conversation, runtime_context, sandbox_backend = await _resolve_filesystem_state(
thread_id=thread_id,
user=current_user,
db=db,
agent_id=agent_id,
agent_config_id=agent_config_id,
)
runtime_stub = type("RuntimeStub", (), {"context": runtime_context})()
composite_backend = create_agent_composite_backend(runtime_stub, sandbox_backend=sandbox_backend)
try:
responses = await asyncio.to_thread(composite_backend.download_files, [normalized_path])
except PermissionError as e:
raise HTTPException(status_code=400, detail=str(e)) from e
except ValueError as e:
raise HTTPException(status_code=422, detail=str(e)) from e
except Exception as e:
raise HTTPException(status_code=500, detail=str(e)) from e
response = responses[0] if responses else None
if response is None:
raise HTTPException(status_code=404, detail="文件不存在")
if response.error == "file_not_found":
raise HTTPException(status_code=404, detail="文件不存在")
if response.error == "is_directory":
raise HTTPException(status_code=400, detail="当前路径是目录")
if response.error:
raise HTTPException(status_code=400, detail=response.error)
raw_content = response.content or b""
try:
content = raw_content.decode("utf-8")
except UnicodeDecodeError:
content = raw_content.decode("utf-8", errors="replace")
return {"content": content}