Deletes expired OTPs from the database.

Create a directory if it doesn't already exist.

Attempt to delete a file from storage and handle exceptions.

Format a notification message using a template.

Retrieve a setting from the database based on its name.

Retrieve the database connection URL from environment variables.

Get the appropriate file path based on asset ID and file type. `file_type` can be 'image' or 'attachment'.

Retrieve the secret key used for JWT, with a fallback to a default value. This can be customized to retrieve from environment variables or a

Returns a new database session.

Endpoint to get the list of all tables in the database.