/// <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());
}
}
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
{
var metadata = storageManager.GetFileMetadata(this.EnumeratedItemIdentifier);
if (!metadata.IsExists)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreateNonExistentItemError(EnumeratedItemIdentifier));
return;
}
INSFileProviderItem item = ProviderItem.CreateFromMetadata(metadata);
observer.DidEnumerateItems(new[] { item });
observer.FinishEnumerating((NSData)null);
}
catch (UnauthorizedException)
{
observer.FinishEnumerating(NSFileProviderErrorFactory.CreateNonExistentItemError(this.EnumeratedItemIdentifier));
}
catch (WebDavHttpException)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedNetworkError());
}
catch (Exception)
{
observer.FinishEnumerating(NSErrorFactory.CreateUnspecifiedError());
}
}
/// <param name="directoryName">The directory name.</param>
/// <param name="parentItemIdentifier">The parent directory's persistent identifier.</param>
/// <param name="completionHandler">A handler to run after the operation completes.</param>
/// <summary>When implemented by the developer, creates a new directory in the specified location and runs a handler when the operation is complete.</summary>
/// <remarks>
/// <para>(More documentation for this node is coming)</para>
/// <para tool="threads">This can be used from a background thread.</para>
/// </remarks>
public override void CreateDirectory(string directoryName, string parentItemIdentifier, Action <INSFileProviderItem, NSError> completionHandler)
{
try
{
FolderMetadata parentFolder = this.StorageManager.GetFolderMetadata(parentItemIdentifier);
if (!parentFolder.ExistsOnServer)
{
completionHandler?.Invoke(null, NSErrorFactory.CreateUnspecifiedError());
return;
}
FolderMetadata createdFolder = this.StorageManager.CreateFolderOnServer(parentFolder, directoryName);
completionHandler?.Invoke(ProviderItem.CreateFromMetadata(createdFolder), null);
this.StorageManager.NotifyEnumerator(parentItemIdentifier);
}
catch (MethodNotAllowedException)
{
completionHandler?.Invoke(null, NSFileProviderErrorFactory.CreateFilenameCollisionError());
}
catch (Exception ex)
{
NSError error = this.MapError(ex);
completionHandler?.Invoke(null, error);
}
}
/// <summary>The create upload uploadError.</summary>
/// <returns>The <see cref="NSError"/>.</returns>
private NSError CreateUploadError()
{
if (string.IsNullOrEmpty(this.UploadErrorDomain))
{
return(null);
}
if (this.UploadErrorInfo == null)
{
return(NSErrorFactory.CreateNSError(this.UploadErrorDomain, this.UploadErrorCode));
}
Dictionary <string, string> uploadErrorInfo = this.UploadErrorInfo;
return(NSErrorFactory.CreateNSError(this.UploadErrorDomain, this.UploadErrorCode, uploadErrorInfo));
}
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());
}
}
