feat: implement document management module
- Backend (FastAPI): - Attachment and AttachmentVersion models with migration - FileStorageService with SHA-256 checksum validation - File type validation (whitelist/blacklist) - Full CRUD API with version control support - Audit trail integration for upload/download/delete - Configurable upload directory and file size limit - Frontend (React + Vite): - AttachmentUpload component with drag & drop - AttachmentList component with download/delete - TaskAttachments combined component - Attachments service for API calls - Testing: - 12 tests for storage service and API endpoints - OpenSpec: - add-document-management change archived 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
beabigegg
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backend/app/api/attachments/__init__.py
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backend/app/api/attachments/__init__.py
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from app.api.attachments.router import router
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__all__ = ["router"]
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382
backend/app/api/attachments/router.py
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backend/app/api/attachments/router.py
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import uuid
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from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Request
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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 Optional
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from app.core.database import get_db
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from app.middleware.auth import get_current_user
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from app.models import User, Task, Attachment, AttachmentVersion, AuditAction
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from app.schemas.attachment import (
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AttachmentResponse, AttachmentListResponse, AttachmentDetailResponse,
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AttachmentVersionResponse, VersionHistoryResponse
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)
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from app.services.file_storage_service import file_storage_service
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from app.services.audit_service import AuditService
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router = APIRouter(prefix="/api", tags=["attachments"])
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def get_task_or_404(db: Session, task_id: str) -> Task:
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"""Get task or raise 404."""
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task = db.query(Task).filter(Task.id == task_id).first()
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if not task:
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raise HTTPException(status_code=404, detail="Task not found")
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return task
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def get_attachment_or_404(db: Session, attachment_id: str) -> Attachment:
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"""Get attachment or raise 404."""
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attachment = db.query(Attachment).filter(
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Attachment.id == attachment_id,
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Attachment.is_deleted == False
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).first()
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if not attachment:
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raise HTTPException(status_code=404, detail="Attachment not found")
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return attachment
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def attachment_to_response(attachment: Attachment) -> AttachmentResponse:
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"""Convert Attachment model to response."""
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return AttachmentResponse(
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id=attachment.id,
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task_id=attachment.task_id,
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filename=attachment.filename,
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original_filename=attachment.original_filename,
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mime_type=attachment.mime_type,
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file_size=attachment.file_size,
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current_version=attachment.current_version,
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is_encrypted=attachment.is_encrypted,
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uploaded_by=attachment.uploaded_by,
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uploader_name=attachment.uploader.name if attachment.uploader else None,
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created_at=attachment.created_at,
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updated_at=attachment.updated_at
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)
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def version_to_response(version: AttachmentVersion) -> AttachmentVersionResponse:
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"""Convert AttachmentVersion model to response."""
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return AttachmentVersionResponse(
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id=version.id,
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version=version.version,
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file_size=version.file_size,
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checksum=version.checksum,
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uploaded_by=version.uploaded_by,
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uploader_name=version.uploader.name if version.uploader else None,
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created_at=version.created_at
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)
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@router.post("/tasks/{task_id}/attachments", response_model=AttachmentResponse)
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async def upload_attachment(
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task_id: str,
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request: Request,
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file: UploadFile = File(...),
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Upload a file attachment to a task."""
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task = get_task_or_404(db, task_id)
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# Check if attachment with same filename exists (for versioning in Phase 2)
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existing = db.query(Attachment).filter(
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Attachment.task_id == task_id,
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Attachment.original_filename == file.filename,
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Attachment.is_deleted == False
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).first()
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if existing:
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# Phase 2: Create new version
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new_version = existing.current_version + 1
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# Save file
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file_path, file_size, checksum = await file_storage_service.save_file(
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file=file,
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project_id=task.project_id,
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task_id=task_id,
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attachment_id=existing.id,
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version=new_version
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)
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# Create version record
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version = AttachmentVersion(
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id=str(uuid.uuid4()),
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attachment_id=existing.id,
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version=new_version,
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file_path=file_path,
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file_size=file_size,
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checksum=checksum,
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uploaded_by=current_user.id
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)
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db.add(version)
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# Update attachment
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existing.current_version = new_version
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existing.file_size = file_size
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existing.updated_at = version.created_at
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db.commit()
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db.refresh(existing)
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# Audit log
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AuditService.log_event(
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db=db,
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event_type="attachment.upload",
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resource_type="attachment",
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action=AuditAction.UPDATE,
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user_id=current_user.id,
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resource_id=existing.id,
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changes=[{"field": "version", "old_value": new_version - 1, "new_value": new_version}],
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request_metadata=getattr(request.state, "audit_metadata", None)
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)
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db.commit()
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return attachment_to_response(existing)
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# Create new attachment
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attachment_id = str(uuid.uuid4())
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# Save file
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file_path, file_size, checksum = await file_storage_service.save_file(
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file=file,
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project_id=task.project_id,
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task_id=task_id,
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attachment_id=attachment_id,
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version=1
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)
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# Get mime type from file storage validation
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extension = file_storage_service.get_extension(file.filename or "")
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mime_type = file.content_type or "application/octet-stream"
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# Create attachment record
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attachment = Attachment(
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id=attachment_id,
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task_id=task_id,
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filename=file.filename or "unnamed",
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original_filename=file.filename or "unnamed",
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mime_type=mime_type,
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file_size=file_size,
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current_version=1,
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is_encrypted=False,
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uploaded_by=current_user.id
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)
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db.add(attachment)
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# Create version record
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version = AttachmentVersion(
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id=str(uuid.uuid4()),
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attachment_id=attachment_id,
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version=1,
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file_path=file_path,
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file_size=file_size,
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checksum=checksum,
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uploaded_by=current_user.id
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)
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db.add(version)
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db.commit()
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db.refresh(attachment)
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# Audit log
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AuditService.log_event(
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db=db,
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event_type="attachment.upload",
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resource_type="attachment",
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action=AuditAction.CREATE,
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user_id=current_user.id,
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resource_id=attachment.id,
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changes=[{"field": "filename", "old_value": None, "new_value": attachment.filename}],
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request_metadata=getattr(request.state, "audit_metadata", None)
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)
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db.commit()
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return attachment_to_response(attachment)
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@router.get("/tasks/{task_id}/attachments", response_model=AttachmentListResponse)
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async def list_task_attachments(
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task_id: str,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""List all attachments for a task."""
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task = get_task_or_404(db, task_id)
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attachments = db.query(Attachment).filter(
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Attachment.task_id == task_id,
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Attachment.is_deleted == False
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).order_by(Attachment.created_at.desc()).all()
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return AttachmentListResponse(
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attachments=[attachment_to_response(a) for a in attachments],
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total=len(attachments)
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)
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@router.get("/attachments/{attachment_id}", response_model=AttachmentDetailResponse)
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async def get_attachment(
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attachment_id: str,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Get attachment details with version history."""
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attachment = get_attachment_or_404(db, attachment_id)
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versions = db.query(AttachmentVersion).filter(
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AttachmentVersion.attachment_id == attachment_id
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).order_by(AttachmentVersion.version.desc()).all()
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return AttachmentDetailResponse(
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id=attachment.id,
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task_id=attachment.task_id,
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filename=attachment.filename,
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original_filename=attachment.original_filename,
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mime_type=attachment.mime_type,
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file_size=attachment.file_size,
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current_version=attachment.current_version,
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is_encrypted=attachment.is_encrypted,
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uploaded_by=attachment.uploaded_by,
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uploader_name=attachment.uploader.name if attachment.uploader else None,
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created_at=attachment.created_at,
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updated_at=attachment.updated_at,
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versions=[version_to_response(v) for v in versions]
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)
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@router.get("/attachments/{attachment_id}/download")
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async def download_attachment(
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attachment_id: str,
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version: Optional[int] = None,
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request: Request = None,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Download an attachment file."""
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attachment = get_attachment_or_404(db, attachment_id)
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# Get version to download
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target_version = version or attachment.current_version
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version_record = db.query(AttachmentVersion).filter(
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AttachmentVersion.attachment_id == attachment_id,
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AttachmentVersion.version == target_version
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).first()
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if not version_record:
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raise HTTPException(status_code=404, detail=f"Version {target_version} not found")
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# Get file path
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file_path = file_storage_service.get_file_by_path(version_record.file_path)
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if not file_path:
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raise HTTPException(status_code=404, detail="File not found on disk")
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# Audit log
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AuditService.log_event(
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db=db,
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event_type="attachment.download",
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resource_type="attachment",
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action=AuditAction.UPDATE, # Using UPDATE as there's no DOWNLOAD action
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user_id=current_user.id,
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resource_id=attachment.id,
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changes=[{"field": "downloaded_version", "old_value": None, "new_value": target_version}],
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request_metadata=getattr(request.state, "audit_metadata", None) if request else None
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)
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db.commit()
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return FileResponse(
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path=str(file_path),
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filename=attachment.original_filename,
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media_type=attachment.mime_type
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)
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@router.delete("/attachments/{attachment_id}")
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async def delete_attachment(
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attachment_id: str,
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request: Request,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Soft delete an attachment."""
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attachment = get_attachment_or_404(db, attachment_id)
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# Soft delete
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attachment.is_deleted = True
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db.commit()
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# Audit log
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AuditService.log_event(
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db=db,
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event_type="attachment.delete",
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resource_type="attachment",
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action=AuditAction.DELETE,
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user_id=current_user.id,
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resource_id=attachment.id,
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changes=[{"field": "is_deleted", "old_value": False, "new_value": True}],
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request_metadata=getattr(request.state, "audit_metadata", None)
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)
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db.commit()
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return {"message": "Attachment deleted", "id": attachment_id}
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@router.get("/attachments/{attachment_id}/versions", response_model=VersionHistoryResponse)
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async def get_version_history(
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attachment_id: str,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Get version history for an attachment."""
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attachment = get_attachment_or_404(db, attachment_id)
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versions = db.query(AttachmentVersion).filter(
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AttachmentVersion.attachment_id == attachment_id
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).order_by(AttachmentVersion.version.desc()).all()
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return VersionHistoryResponse(
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attachment_id=attachment.id,
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filename=attachment.filename,
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versions=[version_to_response(v) for v in versions],
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total=len(versions)
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)
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@router.post("/attachments/{attachment_id}/restore/{version}")
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async def restore_version(
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attachment_id: str,
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version: int,
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request: Request,
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db: Session = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""Restore an attachment to a specific version."""
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attachment = get_attachment_or_404(db, attachment_id)
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version_record = db.query(AttachmentVersion).filter(
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AttachmentVersion.attachment_id == attachment_id,
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AttachmentVersion.version == version
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).first()
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if not version_record:
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raise HTTPException(status_code=404, detail=f"Version {version} not found")
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old_version = attachment.current_version
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attachment.current_version = version
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attachment.file_size = version_record.file_size
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db.commit()
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# Audit log
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AuditService.log_event(
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db=db,
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event_type="attachment.restore",
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resource_type="attachment",
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action=AuditAction.RESTORE,
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user_id=current_user.id,
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resource_id=attachment.id,
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changes=[{"field": "current_version", "old_value": old_version, "new_value": version}],
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request_metadata=getattr(request.state, "audit_metadata", None)
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)
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db.commit()
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return {"message": f"Restored to version {version}", "current_version": version}
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