pub async fn update_course(
conn: &mut PgConnection,
app_config: &ApplicationConfiguration,
course_id: Uuid,
course_update: CourseUpdate,
) -> ModelResult<Course>pub async fn update_course(
conn: &mut PgConnection,
app_config: &ApplicationConfiguration,
course_id: Uuid,
course_update: CourseUpdate,
) -> ModelResult<Course>