Method classStats

app/views/courses/ClassroomView.js:230–255

()

    }

    classStats () {
      const stats = {}

      let playtime = 0
      let total = 0
      for (const session of Array.from(this.sessions.models)) {
        const pt = session.get('playtime') || 0
        playtime += pt
        total += 1
      }
      stats.averagePlaytime = playtime && total ? moment.duration(playtime / total, 'seconds').humanize() : 0
      stats.totalPlaytime = playtime ? moment.duration(playtime, 'seconds').humanize() : 0

      const levelPracticeMap = {}
      for (const level of Array.from(this.levels.models)) {
        var left
        levelPracticeMap[level.id] = (left = level.get('practice')) != null ? left : false
      }
      const completeSessions = this.sessions.filter(s => __guard__(s.get('state'), x => x.complete) && !levelPracticeMap[s.get('levelID')])
      stats.averageLevelsComplete = this.users.size() ? (_.size(completeSessions) / this.users.size()).toFixed(1) : 'N/A' // '
      stats.totalLevelsComplete = _.size(completeSessions)

      const enrolledUsers = this.users.filter(user => user.isEnrolled())
      stats.enrolledUsers = _.size(enrolledUsers)
      return stats
    }

    onClickAddStudentsButton (e) {
      const modal = new InviteToClassroomModal({ classroom: this.classroom })