Mini Kabibi Habibi

DXTravel.MyTrips = function(params) {

    var nextTripsSource = DXTravel.db.trips.toDataSource({
        filter: ["endDate", ">=", new Date],
        sort: "startDate",
        map: function(t) {
            return new DXTravel.TabletTripViewModel(t);
        },
        postProcess: function(list) {
            // custom grouping
            return [
                {
                    key: "Next trip",
                    items: [list[0]]
                },
                {
                    key: "Other upcoming trips",
                    items: list.slice(1)
                }
            ];
        }
    });

    var chartSource = DXTravel.db.trips.toDataSource({
        filter: ["endDate", "<", new Date],
        sort: "startDate",
        group: function(t) {
            return t.startDate.getFullYear();
        },
        select: function(group) {            
            var days = 0;
            $.each(group.items, function() {
                days += (this.endDate - this.startDate) / DXTravel.MS_PER_DAY
            });
            return {
                year: group.key,
                days: days
            }
        }
    });

    var mapMarkersSource = DXTravel.db.trips.toDataSource({
        filter: ["endDate", "<", new Date],
        select: ["location"],
        map: function(i) {
            return {
                location: i.location
            };
        }
    });
    

    // TODO! dispose dataSources when the event is available

    return {
        viewShown: function() {            
            mapMarkersSource.load();
        },

        mapMarkersSource: mapMarkersSource,
        nextTripsSource: nextTripsSource,
        chartSource: chartSource,        
        
        backAction: "#Index",
        backText: "Home",
    };
};