SurfSense/surfsense_backend/app/routes/documents_routes.py
2025-03-26 20:02:53 -07:00

351 lines
No EOL
12 KiB
Python

from fastapi import APIRouter, Depends, BackgroundTasks, UploadFile, Form, HTTPException
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.future import select
from typing import List
from app.db import get_async_session, User, SearchSpace, Document, DocumentType
from app.schemas import DocumentsCreate, DocumentUpdate, DocumentRead
from app.users import current_active_user
from app.utils.check_ownership import check_ownership
from app.tasks.background_tasks import add_extension_received_document, add_received_file_document, add_crawled_url_document
# Force asyncio to use standard event loop before unstructured imports
import asyncio
try:
asyncio.set_event_loop_policy(asyncio.DefaultEventLoopPolicy())
except RuntimeError:
pass
import os
os.environ["UNSTRUCTURED_HAS_PATCHED_LOOP"] = "1"
from langchain_unstructured import UnstructuredLoader
from app.config import config
import json
router = APIRouter()
@router.post("/documents/")
async def create_documents(
request: DocumentsCreate,
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user),
fastapi_background_tasks: BackgroundTasks = BackgroundTasks()
):
try:
# Check if the user owns the search space
await check_ownership(session, SearchSpace, request.search_space_id, user)
if request.document_type == DocumentType.EXTENSION:
for individual_document in request.content:
fastapi_background_tasks.add_task(
process_extension_document_with_new_session,
individual_document,
request.search_space_id
)
elif request.document_type == DocumentType.CRAWLED_URL:
for url in request.content:
fastapi_background_tasks.add_task(
process_crawled_url_with_new_session,
url,
request.search_space_id
)
else:
raise HTTPException(
status_code=400,
detail="Invalid document type"
)
await session.commit()
return {"message": "Documents processed successfully"}
except HTTPException:
raise
except Exception as e:
await session.rollback()
raise HTTPException(
status_code=500,
detail=f"Failed to process documents: {str(e)}"
)
@router.post("/documents/fileupload")
async def create_documents(
files: list[UploadFile],
search_space_id: int = Form(...),
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user),
fastapi_background_tasks: BackgroundTasks = BackgroundTasks()
):
try:
await check_ownership(session, SearchSpace, search_space_id, user)
if not files:
raise HTTPException(status_code=400, detail="No files provided")
for file in files:
try:
# Save file to a temporary location to avoid stream issues
import tempfile
import aiofiles
import os
# Create temp file
with tempfile.NamedTemporaryFile(delete=False, suffix=os.path.splitext(file.filename)[1]) as temp_file:
temp_path = temp_file.name
# Write uploaded file to temp file
content = await file.read()
with open(temp_path, "wb") as f:
f.write(content)
# Process in background to avoid uvloop conflicts
fastapi_background_tasks.add_task(
process_file_in_background_with_new_session,
temp_path,
file.filename,
search_space_id
)
except Exception as e:
raise HTTPException(
status_code=422,
detail=f"Failed to process file {file.filename}: {str(e)}"
)
await session.commit()
return {"message": "Files uploaded for processing"}
except HTTPException:
raise
except Exception as e:
await session.rollback()
raise HTTPException(
status_code=500,
detail=f"Failed to upload files: {str(e)}"
)
async def process_extension_document_with_new_session(
individual_document,
search_space_id: int
):
"""Create a new session and process extension document."""
from app.db import async_session_maker
async with async_session_maker() as session:
try:
await add_extension_received_document(session, individual_document, search_space_id)
except Exception as e:
import logging
logging.error(f"Error processing extension document: {str(e)}")
async def process_crawled_url_with_new_session(
url: str,
search_space_id: int
):
"""Create a new session and process crawled URL."""
from app.db import async_session_maker
async with async_session_maker() as session:
try:
await add_crawled_url_document(session, url, search_space_id)
except Exception as e:
import logging
logging.error(f"Error processing crawled URL: {str(e)}")
async def process_file_in_background_with_new_session(
file_path: str,
filename: str,
search_space_id: int
):
"""Create a new session and process file."""
from app.db import async_session_maker
async with async_session_maker() as session:
await process_file_in_background(file_path, filename, search_space_id, session)
async def process_file_in_background(
file_path: str,
filename: str,
search_space_id: int,
session: AsyncSession
):
try:
# Use synchronous unstructured API to avoid event loop issues
from langchain_community.document_loaders import UnstructuredFileLoader
# Process the file
loader = UnstructuredFileLoader(
file_path,
mode="elements",
post_processors=[],
languages=["eng"],
include_orig_elements=False,
include_metadata=False,
strategy="auto",
)
docs = loader.load()
# Clean up the temp file
import os
try:
os.unlink(file_path)
except:
pass
# Pass the documents to the existing background task
await add_received_file_document(
session,
filename,
docs,
search_space_id
)
except Exception as e:
import logging
logging.error(f"Error processing file in background: {str(e)}")
@router.get("/documents/", response_model=List[DocumentRead])
async def read_documents(
skip: int = 0,
limit: int = 300,
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user)
):
try:
result = await session.execute(
select(Document)
.join(SearchSpace)
.filter(SearchSpace.user_id == user.id)
.offset(skip)
.limit(limit)
)
db_documents = result.scalars().all()
# Convert database objects to API-friendly format
api_documents = []
for doc in db_documents:
api_documents.append(DocumentRead(
id=doc.id,
title=doc.title,
document_type=doc.document_type,
document_metadata=doc.document_metadata,
content=doc.content,
created_at=doc.created_at,
search_space_id=doc.search_space_id
))
return api_documents
except Exception as e:
raise HTTPException(
status_code=500,
detail=f"Failed to fetch documents: {str(e)}"
)
@router.get("/documents/{document_id}", response_model=DocumentRead)
async def read_document(
document_id: int,
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user)
):
try:
result = await session.execute(
select(Document)
.join(SearchSpace)
.filter(Document.id == document_id, SearchSpace.user_id == user.id)
)
document = result.scalars().first()
if not document:
raise HTTPException(
status_code=404,
detail=f"Document with id {document_id} not found"
)
# Convert database object to API-friendly format
return DocumentRead(
id=document.id,
title=document.title,
document_type=document.document_type,
document_metadata=document.document_metadata,
content=document.content,
created_at=document.created_at,
search_space_id=document.search_space_id
)
except Exception as e:
raise HTTPException(
status_code=500,
detail=f"Failed to fetch document: {str(e)}"
)
@router.put("/documents/{document_id}", response_model=DocumentRead)
async def update_document(
document_id: int,
document_update: DocumentUpdate,
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user)
):
try:
# Query the document directly instead of using read_document function
result = await session.execute(
select(Document)
.join(SearchSpace)
.filter(Document.id == document_id, SearchSpace.user_id == user.id)
)
db_document = result.scalars().first()
if not db_document:
raise HTTPException(
status_code=404,
detail=f"Document with id {document_id} not found"
)
update_data = document_update.model_dump(exclude_unset=True)
for key, value in update_data.items():
setattr(db_document, key, value)
await session.commit()
await session.refresh(db_document)
# Convert to DocumentRead for response
return DocumentRead(
id=db_document.id,
title=db_document.title,
document_type=db_document.document_type,
document_metadata=db_document.document_metadata,
content=db_document.content,
created_at=db_document.created_at,
search_space_id=db_document.search_space_id
)
except HTTPException:
raise
except Exception as e:
await session.rollback()
raise HTTPException(
status_code=500,
detail=f"Failed to update document: {str(e)}"
)
@router.delete("/documents/{document_id}", response_model=dict)
async def delete_document(
document_id: int,
session: AsyncSession = Depends(get_async_session),
user: User = Depends(current_active_user)
):
try:
# Query the document directly instead of using read_document function
result = await session.execute(
select(Document)
.join(SearchSpace)
.filter(Document.id == document_id, SearchSpace.user_id == user.id)
)
document = result.scalars().first()
if not document:
raise HTTPException(
status_code=404,
detail=f"Document with id {document_id} not found"
)
await session.delete(document)
await session.commit()
return {"message": "Document deleted successfully"}
except HTTPException:
raise
except Exception as e:
await session.rollback()
raise HTTPException(
status_code=500,
detail=f"Failed to delete document: {str(e)}"
)