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function api_delete_section

Maturity: 46

Flask API endpoint that deletes a specific section from a document after validating user authorization and document existence.

File:
/tf/active/vicechatdev/vice_ai/complex_app.py
Lines:
923 - 942
Complexity:
moderate

Purpose

This function serves as a RESTful API endpoint to remove a section from a document. It performs authorization checks to ensure only the document author can delete sections, validates the existence of both the document and section, and handles the deletion operation with appropriate error responses. It's part of a document management system with section-based content organization.

Source Code

def api_delete_section(doc_id, section_id):
    """Delete a section"""
    try:
        document = get_document(doc_id)
        if not document:
            return jsonify({'error': 'Document not found'}), 404
        
        if document.author != get_user_id():
            return jsonify({'error': 'Access denied'}), 403
        
        success = document.remove_section(section_id)
        if not success:
            return jsonify({'error': 'Section not found'}), 404
        
        save_document(document)
        
        return jsonify({'message': 'Section deleted successfully'})
    except Exception as e:
        logger.error(f"Delete section error: {e}")
        return jsonify({'error': 'Failed to delete section'}), 500

Parameters

Name Type Default Kind
doc_id - - positional_or_keyword
section_id - - positional_or_keyword

Parameter Details

doc_id: String identifier for the document containing the section to be deleted. Extracted from the URL path parameter. Used to retrieve the target document from storage.

section_id: String identifier for the specific section to be deleted within the document. Extracted from the URL path parameter. Passed to the document's remove_section method to identify which section to remove.

Return Value

Returns a Flask JSON response tuple. On success: (jsonify({'message': 'Section deleted successfully'}), 200). On document not found: (jsonify({'error': 'Document not found'}), 404). On unauthorized access: (jsonify({'error': 'Access denied'}), 403). On section not found: (jsonify({'error': 'Section not found'}), 404). On exception: (jsonify({'error': 'Failed to delete section'}), 500). Each return is a tuple of (Response object, HTTP status code).

Dependencies

  • flask
  • logging

Required Imports

from flask import jsonify

Usage Example

# Example usage as API endpoint
# Assuming Flask app is running with proper authentication

# Client-side request (using requests library):
import requests

# User must be authenticated with valid session
session = requests.Session()
# ... perform login to get authenticated session ...

# Delete a section from a document
doc_id = 'doc_12345'
section_id = 'section_67890'
response = session.delete(
    f'http://localhost:5000/api/documents/{doc_id}/sections/{section_id}'
)

if response.status_code == 200:
    print(response.json())  # {'message': 'Section deleted successfully'}
elif response.status_code == 403:
    print('Access denied - not the document author')
elif response.status_code == 404:
    print('Document or section not found')
else:
    print('Error:', response.json())

Best Practices

  • Always authenticate requests using the require_auth decorator before allowing section deletion
  • Verify document ownership before allowing modifications to prevent unauthorized access
  • Use try-except blocks to catch and log exceptions for debugging and monitoring
  • Return appropriate HTTP status codes (404 for not found, 403 for forbidden, 500 for server errors)
  • Save document changes immediately after successful section removal to persist the state
  • Log errors with sufficient context for troubleshooting production issues
  • Validate both document and section existence before attempting deletion
  • Use consistent error response format across all API endpoints for client predictability

Tags

api rest delete section document-management authorization authentication flask endpoint crud access-control error-handling

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