CumulativeFlowCalculator.js

(function () {
    var Ext = window.Ext4 || window.Ext;

    Ext.define("Rally.apps.charts.rpm.cfd.CumulativeFlowCalculator", {
        extend: "Rally.data.lookback.calculator.TimeSeriesCalculator",

        getDerivedFieldsOnInput: function () {
            var chartAggregationType = this.config.chartAggregationType;

            return _.map(this.config.scheduleStates, function(state) {
                return {
                    "as": state,
                    "f": function (snapshot) {
                        if (chartAggregationType === 'storycount') {
                            if (snapshot.ScheduleState) {
                                return snapshot.ScheduleState === state ? 1 : 0;
                            }

                            return 0;
                        } else {
                            if (snapshot.PlanEstimate) {
                                return snapshot.ScheduleState === state ? snapshot.PlanEstimate : 0;
                            }

                            return 0;
                        }

                    }
                };
            }, this);
        },

        getMetrics: function () {
            return _.map(this.config.scheduleStates, function(state) {
                return {
                    "field": state,
                    "as": state,
                    "f": "sum"
                };
            });
        }
    });
}());