build_final_columns

headless_lms_server::controllers::main_frontend::exercises

Function build_final_columns 

Source 
fn build_final_columns(
    base_columns: &[CsvColumnDefinition],
    service_columns: &[ExerciseServiceCsvExportColumn],
) -> Result<(Vec<CsvColumnDefinition>, HashMap<String, String>), ControllerError>
Expand description

Merges base and service columns ensuring unique keys and mapping; errors on duplicate original service keys or final name collisions.