pub async fn get_exercises_by_module_containing_exercise_type(
conn: &mut PgConnection,
exercise_type: &str,
course_module_id: Uuid
) -> ModelResult<Vec<Exercise>>
pub async fn get_exercises_by_module_containing_exercise_type(
conn: &mut PgConnection,
exercise_type: &str,
course_module_id: Uuid
) -> ModelResult<Vec<Exercise>>