unserver-unify/src/app/common/bizmodel/examQuestionBizModel.service.js

angular.module('bamboo.common').service('ExamQuestionBizModel', function(oopHelper) {
  var vm = this;
  console.log(createInstiance);
  vm.createInstiance = createInstiance;
  vm.convertQ = convertQ;
  vm.clearresult = clearresult;

  function createInstiance(type, q) {
    // return 
    var classStr = s.capitalize(type) + "Question";
    var className = eval(classStr);
    console.log(className.constructor);
  }

  function Question(type, q) {
    this.type = type;
    this.q = q;
    this.checkResult = function() {}
  }
  /**
   * single Q
   * @param {*} type 
   * @param {*} q 
   */
  function SingleQuestion(type, q) {
    SingleQuestion.uber.constructor.call(this, type, q);
    this.checkResult = function() {}
  }
  oopHelper.extend(SingleQuestion, Question);
  /**
   * multi Q
   * @param {*} type 
   * @param {*} q 
   */
  function MultiQuestion(type, q) {
    MultiQuestion.uber.constructor.call(this, type, q);
    this.checkResult = function() {}
  }
  oopHelper.extend(MultiQuestion, Question);

  function convertQ(q) {
    if (q.ver && q.ver == 1) {
      return q;
    }
    console.log(q);
    q.ver = 1;
    q._options = [];
    switch (q.type) {
      case 'single':
        if (q.options && q.options.length) {
          angular.forEach(q.options, function(opt, index) {
            var info = opt;
            if (opt.text == q.ok_answer) {
              info.correct = true;
            }
            q._options.push(info);
          })
        } else {
          angular.forEach(q.answer, function(text, index) {
            var info = {
              text: text,
              correct: true,
            }
            q._options.push(info);
          })
          angular.forEach(q.references, function(text, index) {
            var info = {
              text: text,
            }
            q._options.push(info);
          })
        }
        delete q.ok_answer;
        break;
      case 'multiple':
        if (q.options && q.options.length) {
          angular.forEach(q.options, function(opt, index) {
            q._options.push(opt);
          })
        } else {
          angular.forEach(q.answer, function(text, index) {
            var info = {
              text: text,
              correct: true,
            }
            q._options.push(info);
          })
          angular.forEach(q.references, function(text, index) {
            var info = {
              text: text,
            }
            q._options.push(info);
          })
        }
        break;
      case 'fill':
      case 'mfill':
        angular.forEach(q.answer, function(text, index) {
          var info = {
            texts: [{
              text: text
            }],
          }
          q._options.push(info);
        })
        angular.forEach(q.options, function(val, index) {
          var _text = {
            text: val.text,
          }
          var info = {
            texts: [_text],
          }
          q._options.push(info);
        })
        break;
      case 'tof':
        if (q.tof_answer) {
          var info = {
            correct: q.tof_answer,
          }
          q._options.push(info);
          delete q.tof_answer;
        } else if (q.answer) {
          var info = {
            correct: q.answer[0],
          }
          q._options.push(info);
        }
        // console.log(q);
        break;
    }
    delete q.answer;
    delete q.references;
    delete q.options;
    return q;
  }

  function clearresult(questions) {
    console.log(questions);
    questions = questions || $scope.chapter.questions;
    console.log(questions);
    console.log("length:" + questions.length);
    for (var i = 0; i < questions.length; i++) {
      var q = questions[i];
      console.log(i);
      console.log(questions[i]);
      switch (q.type) {
        case 'single':
          q.selection = undefined;
          q.select = undefined;
          q.judgement = undefined;
        case 'multiple':
          var opts = q._options;
          q.judgement = null;
          if (opts && opts.length > 0) {
            for (var j = 0; j < opts.length; j += 1) {
              opts[j].selection = null;
            }
          }
          break;
        case 'tof':
          q.selection = null;
          q.judgement = null;
          break;
        case 'fill':
          q.selection = null;
          q.judgement = null;
          break;
        case 'mfill':
          console.log(q.options);
          var opts = q._options;
          q.judgement = null;
          if (opts && opts.length > 0) {
            for (var j = 0; j < opts.length; j++) {
              opts[j].selection = null;
            }
          }
      }
    }
  }
});