Files

112 lines
3.6 KiB
Python

"""Attachment routes — upload (multipart), list, download, delete."""
from __future__ import annotations
import os
import uuid
from fastapi import APIRouter, Depends, File, Form, HTTPException, UploadFile, status
from fastapi.responses import FileResponse
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.db import get_db
from app.deps import require_permission
from app.services import attachment_service
router = APIRouter(prefix="/api/v1/attachments", tags=["attachments"])
@router.post("", status_code=status.HTTP_201_CREATED)
async def upload_attachment(
file: UploadFile = File(...),
entity_type: str = Form(...),
entity_id: str = Form(...),
db: AsyncSession = Depends(get_db),
current_user: dict = Depends(require_permission("attachments:write")),
):
"""Upload a file attachment. Multipart form data."""
tenant_id = uuid.UUID(current_user["tenant_id"])
user_id = uuid.UUID(current_user["user_id"])
try:
eid = uuid.UUID(entity_id)
except ValueError:
raise HTTPException(400, detail={"detail": "Invalid entity_id", "code": "invalid_id"}) from None
file_content = await file.read()
mime_type = file.content_type or "application/octet-stream"
return await attachment_service.save_attachment(
db, tenant_id, user_id, entity_type, eid,
file.filename or "unknown", file_content, mime_type,
)
@router.get("")
async def list_attachments(
entity_type: str,
entity_id: str,
db: AsyncSession = Depends(get_db),
current_user: dict = Depends(require_permission("attachments:read")),
):
"""List attachments for a specific entity."""
tenant_id = uuid.UUID(current_user["tenant_id"])
try:
eid = uuid.UUID(entity_id)
except ValueError:
raise HTTPException(400, detail={"detail": "Invalid entity_id", "code": "invalid_id"}) from None
return await attachment_service.list_attachments(db, tenant_id, entity_type, eid)
@router.get("/{attachment_id}")
async def download_attachment(
attachment_id: str,
db: AsyncSession = Depends(get_db),
current_user: dict = Depends(require_permission("attachments:read")),
):
"""Download an attachment file."""
tenant_id = uuid.UUID(current_user["tenant_id"])
try:
aid = uuid.UUID(attachment_id)
except ValueError:
raise HTTPException(400, detail={"detail": "Invalid attachment_id", "code": "invalid_id"}) from None
data = await attachment_service.get_attachment(db, tenant_id, aid)
if data is None:
raise HTTPException(404, detail={"detail": "Attachment not found", "code": "not_found"})
file_path = data["file_path"]
if not os.path.isfile(file_path):
raise HTTPException(404, detail={"detail": "File not found on disk", "code": "file_missing"})
return FileResponse(
path=file_path,
filename=data["filename"],
media_type=data["mime_type"],
)
@router.delete("/{attachment_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_attachment(
attachment_id: str,
db: AsyncSession = Depends(get_db),
current_user: dict = Depends(require_permission("attachments:write")),
):
"""Delete an attachment."""
tenant_id = uuid.UUID(current_user["tenant_id"])
user_id = uuid.UUID(current_user["user_id"])
try:
aid = uuid.UUID(attachment_id)
except ValueError:
raise HTTPException(400, detail={"detail": "Invalid attachment_id", "code": "invalid_id"}) from None
deleted = await attachment_service.delete_attachment(db, tenant_id, user_id, aid)
if not deleted:
raise HTTPException(404, detail={"detail": "Attachment not found", "code": "not_found"})