138 lines
4.2 KiB
Python
138 lines
4.2 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, WebSocket, Response
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from fastapi.responses import FileResponse
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from sqlalchemy.orm import Session
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from typing import List
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import os
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from ...core.config import settings
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from ...core.database import get_db
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from ...models.file import File as FileModel, FileStatus
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from ...services.file_service import process_file, delete_file
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from ...schemas.file import FileResponse as FileResponseSchema, FileList
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import asyncio
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from fastapi import WebSocketDisconnect
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import uuid
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router = APIRouter()
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@router.post("/upload", response_model=FileResponseSchema)
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async def upload_file(
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file: UploadFile = File(...),
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db: Session = Depends(get_db)
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):
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if not file.filename:
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raise HTTPException(status_code=400, detail="No file provided")
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if not any(file.filename.lower().endswith(ext) for ext in settings.ALLOWED_EXTENSIONS):
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raise HTTPException(
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status_code=400,
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detail=f"File type not allowed. Allowed types: {', '.join(settings.ALLOWED_EXTENSIONS)}"
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)
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# Generate unique file ID
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file_id = str(uuid.uuid4())
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file_extension = os.path.splitext(file.filename)[1]
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unique_filename = f"{file_id}{file_extension}"
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# Save file with unique name
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file_path = settings.UPLOAD_FOLDER / unique_filename
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with open(file_path, "wb") as buffer:
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content = await file.read()
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buffer.write(content)
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# Create database entry
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db_file = FileModel(
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id=file_id,
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filename=file.filename,
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original_path=str(file_path),
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status=FileStatus.NOT_STARTED
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)
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db.add(db_file)
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db.commit()
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db.refresh(db_file)
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# Start processing
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process_file.delay(str(db_file.id))
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return db_file
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@router.get("/files", response_model=List[FileResponseSchema])
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def list_files(
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skip: int = 0,
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limit: int = 100,
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db: Session = Depends(get_db)
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):
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files = db.query(FileModel).offset(skip).limit(limit).all()
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return files
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@router.get("/files/{file_id}", response_model=FileResponseSchema)
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def get_file(
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file_id: str,
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db: Session = Depends(get_db)
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):
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file = db.query(FileModel).filter(FileModel.id == file_id).first()
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if not file:
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raise HTTPException(status_code=404, detail="File not found")
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return file
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@router.get("/files/{file_id}/download")
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async def download_file(
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file_id: str,
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db: Session = Depends(get_db)
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):
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file = db.query(FileModel).filter(FileModel.id == file_id).first()
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if not file:
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raise HTTPException(status_code=404, detail="File not found")
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if file.status != FileStatus.SUCCESS:
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raise HTTPException(status_code=400, detail="File is not ready for download")
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if not os.path.exists(file.processed_path):
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raise HTTPException(status_code=404, detail="Processed file not found")
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return FileResponse(
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path=file.processed_path,
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filename=file.filename,
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media_type="application/octet-stream"
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)
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@router.websocket("/ws/status/{file_id}")
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async def websocket_endpoint(websocket: WebSocket, file_id: str, db: Session = Depends(get_db)):
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await websocket.accept()
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try:
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while True:
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file = db.query(FileModel).filter(FileModel.id == file_id).first()
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if not file:
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await websocket.send_json({"error": "File not found"})
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break
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await websocket.send_json({
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"status": file.status,
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"error": file.error_message
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})
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if file.status in [FileStatus.SUCCESS, FileStatus.FAILED]:
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break
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await asyncio.sleep(1)
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except WebSocketDisconnect:
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pass
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@router.delete("/files/{file_id}")
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async def delete_file_endpoint(
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file_id: str,
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db: Session = Depends(get_db)
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):
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"""
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Delete a file and its associated records.
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This will remove:
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1. The database record
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2. The original uploaded file
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3. The processed markdown file (if it exists)
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"""
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try:
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delete_file(file_id)
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return {"message": "File deleted successfully"}
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except HTTPException as e:
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raise e
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except Exception as e:
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raise HTTPException(status_code=500, detail=str(e)) |