Example #1
0
        public string GetPlacesAsJsonString(string googleMapsKey, string datacollectionID, GPoint geoPoint, int zoomLevel, string navigationUrl)
        {
            //public static IEnumerable<DataItem> GetPlacesAsJsonString(string googleMapsKey, string datacollectionID, GPoint geoPoint, int zoomLevel)
            //{
            string traceInfo = "";

            try
            {
                int searchRadius = convertToRadius(zoomLevel);
                traceInfo    = "1";
                string where = GetWhere(datacollectionID);
                traceInfo    = "2";
                IEnumerable <DataItem> items = BaseCollection <DataItem> .Get(where);

                traceInfo = "3";
                //if (items.Count > 500)
                //{
                //    throw new Exception("Er zijn teveel items gevonden die voldoen aan de selectie. Maak de selectie kleiner aub.");
                //}
                BaseCollection <DataItem> locations = new BaseCollection <DataItem>();

                foreach (DataItem item in items)
                {
                    double distance = 0;
                    if (GoogleGeocoder.IsWithinDistance(item, geoPoint.Lat, geoPoint.Long, searchRadius, out distance))
                    {
                        traceInfo     = "4";
                        item.Distance = distance;
                        //RewriteUrl=DrillDownUrl van de location wordt ipv de {RewriteUrl} gezet in js.
                        item.RewriteUrl = item.GetRewriteUrl(navigationUrl, "I");
                        traceInfo       = "5";
                        locations.Add(item);
                    }
                }
                //sorteer de lijst op afstand
                locations.Sort(delegate(DataItem loc1, DataItem loc2) { return(loc1.Distance.CompareTo(loc2.Distance)); });
                //return locations;
                traceInfo = "6";

                string json = ConvertToJson(locations);
                return(json);
            }
            catch (Exception ex)
            {
                traceInfo += ex.Message;
            }
            return(traceInfo);

            //return locations.Select(locations.CreateNewStatement("Name, Title"));
        }