public void EnumerateChanges(INSFileProviderChangeObserver observer, NSData syncAnchor)
{
uint anchor = GetAnchorFromNsData(syncAnchor);
try
{
FolderMetadata metadata = storageManager.GetFolderMetadata(this.enumeratedItemIdentifier);
if (!metadata.IsExists)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreateNonExistentItemError(enumeratedItemIdentifier));
return;
}
ItemMetadata[] metadatas = this.storageManager.GetFolderChildrenMetadatas(metadata);
ChangeSet diff = this.synchronizationSimulator.GetDiff(anchor, metadatas);
observer.DidDeleteItems(diff.DeletedId);
INSFileProviderItem[] updatedItems = ProviderItem.CreateFromMetadatas(diff.Updated);
observer.DidUpdateItems(updatedItems);
this.SyncAnchor = this.synchronizationSimulator.AddChangeSet(metadatas);
observer.FinishEnumeratingChanges(this.GetCurrentAnchorNsData(this.SyncAnchor), false);
}
catch (UnauthorizedException)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreatesNotAuthenticatedError());
}
catch (WebDavHttpException)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedNetworkError());
}
catch (Exception)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedError());
}
}
public void EnumerateChanges(INSFileProviderChangeObserver observer, NSData syncAnchor)
{
try
{
FileMetadata metadata = storageManager.GetFileMetadata(this.EnumeratedItemIdentifier);
if (!metadata.IsExists)
{
observer.DidDeleteItems(new[] { EnumeratedItemIdentifier });
observer.FinishEnumeratingChanges(this.GetNsDataFromUint(this.SyncAnchor++), false);
return;
}
observer.DidUpdateItems(new[] { ProviderItem.CreateFromMetadata(metadata) });
observer.FinishEnumeratingChanges(this.GetNsDataFromUint(this.SyncAnchor++), false);
}
catch (UnauthorizedException)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreatesNotAuthenticatedError());
}
catch (WebDavHttpException)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedNetworkError());
}
catch (Exception)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedError());
}
}
/// <param name="observer">To be added.</param>
/// <param name="startPage">To be added.</param>
/// <summary>To be added.</summary>
/// <remarks>To be added.</remarks>
public void EnumerateItems(INSFileProviderEnumerationObserver observer, NSData startPage)
{
try
{
FolderMetadata metadata = storageManager.GetFolderMetadata(this.enumeratedItemIdentifier);
if (!metadata.IsExists)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreateNonExistentItemError(enumeratedItemIdentifier));
return;
}
ItemMetadata[] metadatas = this.storageManager.GetFolderChildrenMetadatas(metadata);
this.SyncAnchor = this.synchronizationSimulator.AddChangeSet(metadatas);
INSFileProviderItem[] items = ProviderItem.CreateFromMetadatas(metadatas);
observer.DidEnumerateItems(items);
observer.FinishEnumerating((NSData)null);
}
catch (UnauthorizedException)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreatesNotAuthenticatedError());
}
catch (WebDavHttpException)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedNetworkError());
}
catch (Exception)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedError());
}
}
private NSError MapError(Exception localFileUploadError)
{
switch (localFileUploadError)
{
case NSErrorException error:
return(error.Error);
case NotFoundException _:
return(NSFileProviderErrorFactory.CreateNonExistentItemError());
case UnauthorizedException _:
return(NSFileProviderErrorFactory.CreatesNotAuthenticatedError());
case WebDavHttpException _:
return(NSErrorFactory.CreateUnspecifiedNetworkError());
default:
return(NSErrorFactory.CreateUnspecifiedError());
}
}