Method fetchForClassroomAndCourse

app/collections/Levels.js:30–34

(classroomID, courseID, options)

    }

    fetchForClassroomAndCourse (classroomID, courseID, options) {
      if (options == null) { options = {} }
      options.url = `/db/classroom/${classroomID}/courses/${courseID}/levels`
      return this.fetch(options)
    }

    fetchForCampaign (campaignSlug, options) {
      if (options == null) { options = {} }