/// <summary>
/// Retrieve lat/lon for either the selected location, or the one entered in the text box.
/// If a custom location is used then the result is cached for a few minutes to avoid multiple queries to the geocoding
/// service.
/// </summary>
/// <param name="lat"></param>
/// <param name="lon"></param>
/// <returns></returns>
private bool GetLatLonForLocation(out double lat, out double lon)
{
IAddress addr = null;
if (cbxLocation.SelectedValue == LOCATION_CUSTOM)
{
addr = EntityFactory.Create <IAddress>();
if (string.IsNullOrEmpty(txtCustom.Text))
{
throw new ValidationException(GetLocalResourceObject("Custom_MissingLocation").ToString());
}
string cacheKey = "ProximitySearch$Geocode$" + HttpUtility.UrlEncode(txtCustom.Text);
if (Cache[cacheKey] != null)
{
addr = (IAddress)Cache[cacheKey];
}
else
{
// Just put the whole string in the address field
addr.Address1 = txtCustom.Text;
double?latitude, longitude;
IGeocodeProvider provider = Saleslogix.Geocode.Managers.ProviderManager.GetProvider();
if (provider != null && provider.GeocodeAddress(txtCustom.Text, out latitude, out longitude))
{
addr.GeocodeLatitude = latitude.Value;
addr.GeocodeLongitude = longitude.Value;
addr.GeocodeProvider = provider.Source;
Cache.Add(cacheKey, addr, null, System.Web.Caching.Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(4),
System.Web.Caching.CacheItemPriority.Normal, null);
}
}
if (!addr.IsGeocoded())
{
throw new ValidationException(GetLocalResourceObject("Custom_UnableToLocate").ToString());
}
}
else
{
string addrId = cbxLocation.SelectedValue;
addr = EntityFactory.GetById <IAddress>(addrId);
if (addr == null || !addr.IsGeocoded())
{
throw new ValidationException(GetLocalResourceObject("Custom_AddressNotLocated").ToString());
}
}
if (addr != null)
{
lat = addr.GeocodeLatitude.Value;
lon = addr.GeocodeLongitude.Value;
return(true);
}
lat = 0;
lon = 0;
return(false);
}
internal static bool GeocodeAddress(IAddress address)
{
try
{
if (address.GeocodeFailed != null && address.GeocodeFailed.Value)
{
return(false);
}
IGeocodeProvider provider = Saleslogix.Geocode.Managers.ProviderManager.GetProvider(null, null);
if (provider != null)
{
return(provider.GeocodeAddress(address));
}
}
catch
{
return(false);
}
return(false);
}