Method addMembers

app/models/CourseInstance.js:41–59

(userIDs, opts)

    }

    addMembers (userIDs, opts) {
      const options = {
        method: 'POST',
        url: _.result(this, 'url') + '/members',
        data: { userIDs },
        success: () => {
          return this.trigger('add-members', { userIDs })
        }
      }
      _.extend(options, opts)
      const jqxhr = this.fetch(options)
      if (Array.from(userIDs).includes(me.id)) {
        if (!me.get('courseInstances')) {
          me.set('courseInstances', [])
        }
        me.get('courseInstances').push(this.id)
      }
      return jqxhr
    }

    removeMember (userID, opts) {
      const options = {