JS Refactoring - second version

js_refactor_second_version.js

// intermediate code
var MyApp = {};
MyApp.Base = { 
  data: { 
    rules: {
      FirstSet:{ 
        "0-12": { 
          "0-12000":{ 
            "0-90" :{ 
              fixedVal: 0.4 
            }, 
            "91-*" :{ 
              fixedVal: 0.7 
            } 
          }, 
          "12001-*":{ 
            "0-78" :{ 
              fixedVal: 0.4 
            }, 
            "78.01-90" :{ 
              fixedVal: 0.7 
            }, 
            "91-*" :{ 
              fixedVal: 0.9
            } 
          } 
        }, 
        "13-*": { 
          "0-12000":{ 
            "0-95" :{ 
              fixedVal: 0.8 
            }, 
            "96-*" :{ 
              fixedVal: 0.7 
            } 
          }, 
          "12001-*":{ 
            "0-95" :{ 
              fixedVal: 1.0 
            }, 
            "96-*" :{ 
              fixedVal: 1.1 
            } 
          } 
        } 
      }
    }
  }, 
  _isDataRangeMatches: function(dataVal,dataRange){
    if(dataRange[1] == '*'){
      return (dataVal >= parseInt(dataRange[0]));
    } else {
      return (dataVal >= parseInt(dataRange[0]) && dataVal <= parseInt(dataRange[1]));
    }
  },
  getFixedVal: function(myDataVal, amount, calculatedVal){ 
    var jsonData1 = MyApp.Base.data.rules.FirstSet; 
    
    // Loop on the first level keys - "0-12" and "13-*"
    for (var key in jsonData1){
      if(jsonData1.hasOwnProperty(key)){ //check if the json object has this key
        var keyRange1 = key.split('-');
        if(this._isDataRangeMatches(myDataVal,keyRange1)){//Call our reusable function if the value is included
          var jsonData2 = jsonData1[key]; //Then, get the inner JSON object, say value of this key - "0-12"
          
          //Loop on the second level keys now - "0-12000" and "12001-*"
          for (var key1 in jsonData2){ 
            if(jsonData2.hasOwnProperty(key1)){
              var keyRange2 = key1.split('-');
              if(this._isDataRangeMatches(amount,keyRange2)){//Call our reusable function if the value is included
                var jsonData3 = jsonData2[key1];//Then, get the inner JSON object, say value of this key - "0-12000"

                //Loop on the third level keys now - "0-90" and "91-*"
                for (var key2 in jsonData3){
                  if(jsonData3.hasOwnProperty(key2)){
                    var keyRange3 = key2.split('-');
                    if(this._isDataRangeMatches(calculatedVal,keyRange3)){

                      //The final check, if it has the fixedVal key then return it.
                      if(jsonData3[key2].hasOwnProperty('fixedVal')){
                        return jsonData3[key2].fixedVal;
                      }
                    }
                  }
                }


              }
            } 
          }


        }
      }
    }


  }
};