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Updates file access permissions for approvers when an approval cycle changes by delegating to the main document permission management function.

Purpose

This function serves as a specialized wrapper for updating approver permissions during approval cycle changes. It retrieves the document associated with an approval cycle and delegates to the main permission management system. It provides error handling and validation to ensure the document exists before attempting permission updates. This is typically called when approval cycles are created, modified, or completed to ensure approvers have appropriate access to documents.

Source Code

def update_approver_permissions(approval_cycle: ApprovalCycle) -> Dict[str, Any]:
    """
    Update permissions specifically for approvers when an approval cycle changes.
    
    Args:
        approval_cycle: The approval cycle that has been updated
        
    Returns:
        Dict: Result of permission updates
    """
    try:
        # Get document and current version
        document = approval_cycle.document
        if not document:
            return {
                'success': False,
                'message': 'Document not found for approval cycle'
            }
        
        # Just use the main permission management function
        return manage_document_permissions(document)
        
    except Exception as e:
        logger.error(f"Error updating approver permissions: {str(e)}")
        return {
            'success': False,
            'message': f'Error updating approver permissions: {str(e)}'
        }

Parameters

Parameter Details

approval_cycle: An ApprovalCycle model instance representing the approval cycle that has been updated. Must have a 'document' attribute that references the associated ControlledDocument. This object contains information about the approval workflow, including approvers and their assignments.

Return Value

Type: Dict[str, Any]

Returns a dictionary with keys 'success' (boolean indicating if permission update succeeded) and 'message' (string with status or error details). On success, returns the result from manage_document_permissions(). On failure, returns {'success': False, 'message': '<error description>'}. The dictionary structure matches the return format of manage_document_permissions().

Dependencies

• logging
• typing
• os
• traceback

Required Imports

import logging
from typing import Dict, Any
from CDocs.models.approval import ApprovalCycle
from CDocs.models.document import ControlledDocument

Conditional/Optional Imports

These imports are only needed under specific conditions:

from CDocs.controllers.filecloud_controller import manage_document_permissions

Usage Example

from CDocs.models.approval import ApprovalCycle
from CDocs.db import db_operations as db
import logging

logger = logging.getLogger(__name__)

# Assume approval_cycle is retrieved from database
approval_cycle = db.query(ApprovalCycle).filter_by(id=123).first()

# Update permissions for approvers
result = update_approver_permissions(approval_cycle)

if result['success']:
    print(f"Permissions updated successfully")
else:
    print(f"Failed to update permissions: {result['message']}")

Best Practices

• Always check the 'success' key in the returned dictionary before proceeding with dependent operations
• Ensure the approval_cycle object has a valid document relationship before calling this function
• This function is a thin wrapper - consider calling manage_document_permissions() directly if you already have the document object
• Handle the case where approval_cycle.document might be None to avoid unexpected behavior
• Log or monitor the returned error messages for debugging permission issues
• This function catches all exceptions - ensure logger is properly configured to capture error details
• Consider transaction management if this function is called as part of a larger database operation

Tags

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