/// <summary>
/// Inserts the features into a layer and returns the newly created features.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="features"></param>
/// <param name="service"></param>
/// <param name="layerId"></param>
/// <returns></returns>
public static InsertResult <T> InsertInto <T>(this T[] features, Service service, int layerId) where T : Feature
{
try
{
if (features.Length == 0)
{
return(new InsertResult <T>(true));
}
var layer = service.GetLayer(layerId);
var adds = features.Select(f => f.ToGraphic(layer, false)).ToArray();
var editResultInfo = Esri.ApplyEdits(service.ServiceArgs, layer.id, "adds", adds.Serialize());
return(new InsertResult <T>(true, null, () => service.Download <T>(layerId, editResultInfo.addResults.Select(r => r.objectId), null, null, 50, 1).ToArray()));
}
catch (RestException restException)
{
return(new InsertResult <T>(false, restException));
}
}
/// <summary>
/// Updates the features in the underlying layer.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="features"></param>
/// <returns></returns>
public static UpdateResult Update <T>(this T[] features) where T : Feature
{
try
{
if (features.Length == 0)
{
return(new UpdateResult(true));
}
if (features.Any(f => !f.IsDataBound))
{
throw new InvalidOperationException("All features must be bound to a data source before they can be updated.");
}
var args = GetUnique(features, f => f.ServiceArgs, "url and geodatabase version");
var layer = GetUnique(features, f => f.Layer, "layer");
var updates = features.Select(f => f.ToGraphic(layer, true)).Where(o => o != null).ToArray();
if (updates.Length == 0)
{
return(new UpdateResult(true));
}
Esri.ApplyEdits(args, layer.id, "updates", updates.Serialize());
foreach (var f in features)
{
f.IsDirty = false;
}
return(new UpdateResult(true));
}
catch (RestException restException)
{
return(new UpdateResult(false, restException));
}
}
/// <summary>
/// Deletes the features from the underlying layer.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="features"></param>
/// <returns></returns>
public static DeleteResult Delete <T>(this T[] features) where T : Feature
{
try
{
if (features.Length == 0)
{
return(new DeleteResult(true));
}
if (features.Any(f => !f.IsDataBound))
{
throw new InvalidOperationException("All features must be bound to a data source before they can be deleted.");
}
var args = GetUnique(features, f => f.ServiceArgs, "url and geodatabase version");
var layer = GetUnique(features, f => f.Layer, "layer");
var deletes = string.Join(",", features.Select(f => f.OID));
Esri.ApplyEdits(args, layer.id, "deletes", deletes);
foreach (var f in features)
{
f.ServiceArgs = null;
f.Layer = null;
f.OID = -1;
f.IsDirty = false;
}
return(new DeleteResult(true));
}
catch (RestException restException)
{
return(new DeleteResult(false, restException));
}
}
