public IActionResult DeleteCatalogueCourse(int schoolId, int catalogueId, int courseId) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } Course course = _schoolRepository.GetCatalogueCourse(courseId, schoolId, catalogueId); if (course == null) { return(NotFound()); } _schoolRepository.DeleteCatalogueCourse(course, schoolId, catalogueId); return(NoContent()); }