text: export default {
    fuelSavings: {
      newMpg: '',
      tradeMpg: '',
      newPpg: '',
      tradePpg: '',
      milesDriven: '',
      milesDrivenTimeframe: 'week',
      displayResults: false,
      dateModified: null,
      necessaryDataIsProvidedToCalculateSavings: false,
      savings: {
        monthly: 0,
        annual: 0,
        threeYear: 0
      }
    },
    auth: {
      token: null,
      username: '',
      person: {},
      isAuthenticated: false,
      isAuthenticating: false,
      statusText: null
    },
    semesters: [],
    testpapers: {
      count: 0,
      testpaper_questions: [],
      next: null,
      previous: null,
      current_page_number: 1,
      // 获取的所有试卷
      testpapers: [],
      testpapersTitles: [],
      test_type: {},
      pages_layout: {},
      // 获取的当前试卷
      testpaper: {
        id: '',
        title: '',
        subtitle: '',
        test_type: null,
        pages_number: null,
        pages_layout: null,
        points: null,
        duration: null,
        has_formulas: false,
        notes: '',
        subject: '',
        semester: ''
      },
      // 获取的当前试卷的所有blocks
      blocks: [],
      // 获取某一模块
      block: {
        number: '',
        start_number: '',
        end_number: '',
        title: '',
        points: '',
        duration: '',
        testpaper: ''
      },
      // 获取的当前试卷的所有sections
      sections: [],
      //
      section: {
        number: '',
        start_number: null,
        end_number: null,
        requirement: '',
        points: null,
        duration: null,
        testpaper: null
      },
      subject: null,
      semester: null
    },
    data: {
      data: null,
      isFetching: false
    },
    exams: {
      // 所有的考试
      exams: [],
      previous: null,
      next: null,
      count: 0,
      current_page_number: 1,
      // 当前打开的 exam 或 当前正在创建的 exam
      exam: {
        id: '',
        name: '',
        invigilator_number: 2,
        testpaper: null,
        boilerplate: {}
      },
      boilerplate: {},
      KSFS: null
    },
    // current exam's exampapers
    exampapers: {
      exampapers: [],
      exampaper: {
        id: ''
      }
    },
    assignments: {
      // all selected assignments.
      assignments: [],
      // current selected assignment
      assignment: {
        title: '',
        deadline: null
      },
      // current selected assignment's submissions
      submissions: [],
      // current selected assignment's submissions' reviews
      reviews: []
    },
    // medias app
    medias: {
      // videos
      videos: [],
      previous: null,
      next: null,
      count: 0,
      current_page_number: 1,
      // current selected video and its related user's video record
      video: {},
      // ted random videos:
      tedRandomVideos: [],
      // current user's video records
      videoRecords: []
    },
    // don't need to include all the exampapers;
    ajaxCallInProgress: 0,
  
    subjects: [],
    knowledgeList: [],
  
    questions: {
      // 全部试题
      questions: [],
      questionsPreviewType: null,
      // 当前在编辑或查看的试题，新建试题时保持为null
      question: null,
      // 当前试题相关的知识点
      knowledgeQuestionsRelations: [],
      // 当前试题相关的试卷
      testpapersQuestionsRelations: [],
      previous: null,
      next: null,
      count: 0,
      current_page_number: 1,
      questionTypeList: null,
      engQuestionTypeList: null,
      engBlanks: [],
      engSelections: [],
      engOptions: []
    },
    assessments: {
      assessments: [],
      selectedAssessment: null,
      selectedEvaluation: null,
      activatedPeopleScoresCount: 0,
      activatedSchoolsScoresCount: 0,
      selectedAssessmentRelation: null,
      evaluationPeopleList: [],
      evaluationSchoolsList: []
    }
  
  }
  