pub async fn get_user_course_chapter_exercises_progress(
conn: &mut PgConnection,
course_id: Uuid,
exercise_ids: &[Uuid],
user_id: Uuid,
) -> ModelResult<Vec<DatabaseUserCourseChapterExerciseProgress>>
pub async fn get_user_course_chapter_exercises_progress(
conn: &mut PgConnection,
course_id: Uuid,
exercise_ids: &[Uuid],
user_id: Uuid,
) -> ModelResult<Vec<DatabaseUserCourseChapterExerciseProgress>>