Function headless_lms_server::domain::csv_export::users_export::export_course_user_details

pub async fn export_course_user_details<W>(
    conn: &mut PgConnection,
    course_id: Uuid,
    writer: W
) -> Result<W>
where
    W: Write + Send + 'static,

Writes user details for users with any exercise submissions in courseas csv into the writer