docs: def get_surrogate_id(self):
          """
          This is responsible for building the surrogate id from the model
          """
          surrogate_id = "%s,%s,%s,%s,%s" % (self.year,
                                             self.quarter,
                                             self.curriculum_abbr.lower(),
                                             self.course_number,
                                             self.section_id.lower())
  
          return surrogate_id