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"));
}