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Deletes a user from the database by removing their user node using the provided user_id.

Purpose

This function provides a safe way to delete a user from the CDocs system. It wraps the database deletion operation with error handling and logging. The function attempts to delete the user node from the database and returns a boolean indicating success or failure. If an exception occurs during deletion, it logs the error and re-raises the exception for upstream handling.

Source Code

def delete_user(user_id: str) -> bool:
    """Delete a user."""
    try:
        # Delete user node
        success = db.delete_node(user_id)
        
        return success
    except Exception as e:
        logger.error(f"Error deleting user: {e}")
        raise

Parameters

Parameter Details

user_id: A string identifier representing the unique ID of the user to be deleted. This should correspond to an existing user node in the database. The format and constraints depend on the database schema implementation.

Return Value

Type: bool

Returns a boolean value: True if the user was successfully deleted from the database, False if the deletion failed. Note that exceptions are raised rather than returning False in error cases, so a False return typically indicates the database operation completed but reported failure.

Dependencies

• logging
• CDocs

Required Imports

import logging
from CDocs import db

Usage Example

import logging
from CDocs import db

# Setup logger
logger = logging.getLogger(__name__)

# Define the function
def delete_user(user_id: str) -> bool:
    try:
        success = db.delete_node(user_id)
        return success
    except Exception as e:
        logger.error(f"Error deleting user: {e}")
        raise

# Usage
try:
    user_id = "user_12345"
    result = delete_user(user_id)
    if result:
        print(f"User {user_id} deleted successfully")
    else:
        print(f"Failed to delete user {user_id}")
except Exception as e:
    print(f"Error occurred: {e}")

Best Practices

• Always wrap calls to this function in try-except blocks to handle potential exceptions
• Verify user_id exists before calling this function to avoid unnecessary exceptions
• Consider implementing soft deletes or archiving instead of hard deletes for audit trail purposes
• Ensure proper authorization checks are performed before calling this function
• Be aware that this function may not handle cascading deletions of related data (documents, relationships, etc.)
• Consider implementing a transaction or rollback mechanism if deletion of related entities is required
• Log or audit the deletion operation for compliance and tracking purposes before calling this function

Tags

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