/// <summary>
/// Determines whether <paramref name="destFolder"/> is inside this folder.
/// </summary>
/// <param name="destFolder">Folder to check.</param>
/// <returns>Returns <c>true</c> if <paramref name="destFolder"/> is inside thid folder.</returns>
private bool IsRecursive(DavFolder destFolder)
{
return(destFolder.Path.StartsWith(Path));
}
/// <summary>
/// Called when this folder is being moved or renamed.
/// </summary>
/// <param name="destFolder">Destination folder.</param>
/// <param name="destName">New name of this folder.</param>
/// <param name="multistatus">Information about child items that failed to move.</param>
public override async Task MoveToAsync(IItemCollectionAsync destFolder, string destName, MultistatusException multistatus)
{
await RequireHasTokenAsync();
DavFolder targetFolder = destFolder as DavFolder;
if (targetFolder == null)
{
throw new DavException("Target folder doesn't exist", DavStatus.CONFLICT);
}
if (IsRecursive(targetFolder))
{
throw new DavException("Cannot move folder to its subtree.", DavStatus.FORBIDDEN);
}
string newDirPath = System.IO.Path.Combine(targetFolder.FullPath, destName);
string targetPath = targetFolder.Path + EncodeUtil.EncodeUrlPart(destName);
try
{
// Remove item with the same name at destination if it exists.
IHierarchyItemAsync item = await context.GetHierarchyItemAsync(targetPath);
if (item != null)
{
await item.DeleteAsync(multistatus);
}
await targetFolder.CreateFolderAsync(destName);
}
catch (DavException ex)
{
// Continue the operation but report error with destination path to client.
multistatus.AddInnerException(targetPath, ex);
return;
}
// Move child items.
bool movedSuccessfully = true;
IFolderAsync createdFolder = (IFolderAsync)await context.GetHierarchyItemAsync(targetPath);
foreach (DavHierarchyItem item in await GetChildrenAsync(new PropertyName[0]))
{
try
{
await item.MoveToAsync(createdFolder, item.Name, multistatus);
}
catch (DavException ex)
{
// Continue the operation but report error with child item to client.
multistatus.AddInnerException(item.Path, ex);
movedSuccessfully = false;
}
}
if (movedSuccessfully)
{
await DeleteAsync(multistatus);
}
// Refresh client UI.
await context.eventsService.NotifyDeleteAsync(Path);
await context.eventsService.NotifyRefreshAsync(GetParentPath(targetPath));
}