public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
IEnumerable <FileSystemInfo> remoteStorageChildren = new DirectoryInfo(Mapping.MapPath(Name)).EnumerateFileSystemInfos(pattern);
List <IFileSystemItemBasicInfo> infos = new List <IFileSystemItemBasicInfo>();
foreach (FileSystemInfo remoteStorageItem in remoteStorageChildren)
{
VfsFileSystemItem info = (VfsFileSystemItem)Mapping.GetUserFileSysteItemBasicInfo(remoteStorageItem);
info.Name = Mapping.ReverseMapPath(info.Name);
infos.Add(info);
}
resultContext.ReturnChildren(infos.ToArray(), infos.Count);
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - resultContext.ReturnChildren() method.
// - resultContext.ReportProgress() method.
Logger.LogMessage($"{nameof(IFolder)}.{nameof(GetChildrenAsync)}({pattern})", UserFileSystemPath);
IEnumerable <FileSystemInfo> remoteStorageChildren = new DirectoryInfo(RemoteStoragePath).EnumerateFileSystemInfos(pattern);
List <IFileSystemItemMetadata> userFileSystemChildren = new List <IFileSystemItemMetadata>();
foreach (FileSystemInfo remoteStorageItem in remoteStorageChildren)
{
IFileSystemItemMetadata itemInfo = Mapping.GetUserFileSysteItemMetadata(remoteStorageItem);
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, itemInfo.Name);
// Filtering existing files/folders. This is only required to avoid extra errors in the log.
if (!FsPath.Exists(userFileSystemItemPath))
{
Logger.LogMessage("Creating", userFileSystemItemPath);
userFileSystemChildren.Add(itemInfo);
}
ExternalDataManager customDataManager = Engine.CustomDataManager(userFileSystemItemPath);
// Mark this item as not new, which is required for correct MS Office saving opertions.
customDataManager.IsNew = false;
// Save ETag on the client side, to be sent to the remote storage as part of the update.
await customDataManager.ETagManager.SetETagAsync("1234567890");
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(userFileSystemChildren.ToArray(), userFileSystemChildren.Count());
// Show some custom column in file manager for demo purposes.
foreach (IFileSystemItemMetadata itemInfo in userFileSystemChildren)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, itemInfo.Name);
FileSystemItemPropertyData eTagColumn = new FileSystemItemPropertyData((int)CustomColumnIds.ETag, "1234567890");
await Engine.CustomDataManager(userFileSystemItemPath).SetCustomColumnsAsync(new [] { eTagColumn });
}
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - resultContext.ReturnChildren() method.
// - resultContext.ReportProgress() method.
Logger.LogMessage($"IFolder.GetChildrenAsync({pattern})", UserFileSystemPath);
IVirtualFolder userFolder = await VirtualDrive.GetItemAsync <IVirtualFolder>(UserFileSystemPath, Logger);
IEnumerable <FileSystemItemMetadataExt> children = await userFolder.EnumerateChildrenAsync(pattern);
// Filtering existing files/folders. This is only required to avoid extra errors in the log.
List <IFileSystemItemMetadata> newChildren = new List <IFileSystemItemMetadata>();
foreach (FileSystemItemMetadataExt child in children)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, child.Name);
if (!FsPath.Exists(userFileSystemItemPath))
{
Logger.LogMessage("Creating", child.Name);
// If the file is moved/renamed and the app is not running this will help us
// to sync the file/folder to remote storage after app starts.
child.CustomData = new CustomData
{
OriginalPath = userFileSystemItemPath
}.Serialize();
newChildren.Add(child);
}
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(newChildren.ToArray(), newChildren.Count());
// Save ETags, the read-only attribute and all custom columns data.
foreach (FileSystemItemMetadataExt child in children)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, child.Name);
// Create ETags.
// ETags must correspond with a server file/folder, NOT with a client placeholder.
// It should NOT be moved/deleted/updated when a placeholder in the user file system is moved/deleted/updated.
// It should be moved/deleted when a file/folder in the remote storage is moved/deleted.
await VirtualDrive.GetETagManager(userFileSystemItemPath, Logger).SetETagAsync(child.ETag);
// Set the read-only attribute and all custom columns data.
UserFileSystemRawItem userFileSystemRawItem = VirtualDrive.GetUserFileSystemRawItem(userFileSystemItemPath, Logger);
await userFileSystemRawItem.SetLockedByAnotherUserAsync(child.LockedByAnotherUser);
await userFileSystemRawItem.SetCustomColumnsDataAsync(child.CustomProperties);
}
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
Logger.LogMessage($"{nameof(IFolder)}.{nameof(GetChildrenAsync)}({pattern})", UserFileSystemPath);
IEnumerable <FileSystemInfo> remoteStorageChildren = new DirectoryInfo(RemoteStoragePath).EnumerateFileSystemInfos(pattern);
List <IFileSystemItemMetadata> userFileSystemChildren = new List <IFileSystemItemMetadata>();
foreach (FileSystemInfo remoteStorageItem in remoteStorageChildren)
{
IFileSystemItemMetadata itemInfo = Mapping.GetUserFileSysteItemMetadata(remoteStorageItem);
userFileSystemChildren.Add(itemInfo);
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(userFileSystemChildren.ToArray(), userFileSystemChildren.Count);
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - resultContext.ReturnChildren() method.
// - resultContext.ReportProgress() method.
Logger.LogMessage($"{nameof(IFolder)}.{nameof(GetChildrenAsync)}({pattern})", UserFileSystemPath);
IEnumerable <FileSystemInfo> remoteStorageChildren = new DirectoryInfo(RemoteStoragePath).EnumerateFileSystemInfos(pattern);
List <IFileSystemItemMetadata> userFileSystemChildren = new List <IFileSystemItemMetadata>();
foreach (FileSystemInfo remoteStorageItem in remoteStorageChildren)
{
IFileSystemItemMetadata itemInfo = Mapping.GetUserFileSysteItemMetadata(remoteStorageItem);
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, itemInfo.Name);
// Filtering existing files/folders. This is only required to avoid extra errors in the log.
if (!FsPath.Exists(userFileSystemItemPath))
{
Logger.LogMessage("Creating", userFileSystemItemPath);
userFileSystemChildren.Add(itemInfo);
}
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(userFileSystemChildren.ToArray(), userFileSystemChildren.Count());
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - IGetChildrenContext.ReturnChildren() method.
// - IGetChildrenContext.ReportProgress() method.
LogMessage($"IFolder.GetChildrenAsync({pattern})", this.FullPath);
string remoreStoragePath = Mapping.MapPath(this.FullPath);
IEnumerable <FileSystemInfo> remoteStorageChildren = new DirectoryInfo(remoreStoragePath).EnumerateFileSystemInfos(pattern);
List <IFileSystemItemBasicInfo> userFileSystemChildren = new List <IFileSystemItemBasicInfo>();
foreach (FileSystemInfo remoteStorageItem in remoteStorageChildren)
{
string userFileSystemPath = Path.Combine(this.FullPath, Path.GetFileName(remoteStorageItem.Name));
if (!FsPath.Exists(userFileSystemPath))
{
// Uncomment to simulate slow network access.
//Thread.Sleep(10000);
//resultContext.ReportProgress(remoteStorageChildren.Count(), userFileSystemChildren.Count());
LogMessage("Creating:", Path.GetFileName(remoteStorageItem.Name));
FileSystemItemBasicInfo userFileSystemItemInfo = Mapping.GetUserFileSysteItemInfo(remoteStorageItem);
userFileSystemChildren.Add(userFileSystemItemInfo);
}
}
// To signal that the children enumeration is completed
// always call this method in GetChildrenAsync(), even if the folder is empty.
resultContext.ReturnChildren(userFileSystemChildren.ToArray(), userFileSystemChildren.Count());
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - resultContext.ReturnChildren() method.
// - resultContext.ReportProgress() method.
Logger.LogMessage($"{nameof(IFolder)}.{nameof(GetChildrenAsync)}({pattern})", UserFileSystemPath);
IHierarchyItemAsync[] remoteStorageChildren = null;
// Retry the request in case the log-in dialog is shown.
try
{
remoteStorageChildren = await Program.DavClient.GetChildrenAsync(new Uri(RemoteStoragePath), false);
}
catch (ITHit.WebDAV.Client.Exceptions.Redirect302Exception)
{
remoteStorageChildren = await Program.DavClient.GetChildrenAsync(new Uri(RemoteStoragePath), false);
}
List <FileSystemItemMetadataExt> userFileSystemChildren = new List <FileSystemItemMetadataExt>();
foreach (IHierarchyItemAsync remoteStorageItem in remoteStorageChildren)
{
FileSystemItemMetadataExt itemInfo = Mapping.GetUserFileSystemItemMetadata(remoteStorageItem);
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, itemInfo.Name);
// Filtering existing files/folders. This is only required to avoid extra errors in the log.
if (!FsPath.Exists(userFileSystemItemPath))
{
Logger.LogMessage("Creating", userFileSystemItemPath);
userFileSystemChildren.Add(itemInfo);
}
ExternalDataManager customDataManager = Engine.CustomDataManager(userFileSystemItemPath);
// Mark this item as not new, which is required for correct MS Office saving opertions.
customDataManager.IsNew = false;
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(userFileSystemChildren.ToArray(), userFileSystemChildren.Count());
// Save ETags, the read-only attribute and all custom columns data.
foreach (FileSystemItemMetadataExt child in userFileSystemChildren)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, child.Name);
ExternalDataManager customDataManager = Engine.CustomDataManager(userFileSystemItemPath);
// Save ETag on the client side, to be sent to the remote storage as part of the update.
// Setting ETag also marks an item as not new.
// ETags must correspond with a server file/folder, NOT with a client placeholder.
// It should NOT be moved/deleted/updated when a placeholder in the user file system is moved/deleted/updated.
// It should be moved/deleted when a file/folder in the remote storage is moved/deleted.
await customDataManager.ETagManager.SetETagAsync(child.ETag);
// Set the read-only attribute and all custom columns data.
await customDataManager.SetLockedByAnotherUserAsync(child.LockedByAnotherUser);
await customDataManager.SetCustomColumnsAsync(child.CustomProperties);
}
}
/// <inheritdoc/>
public async Task GetChildrenAsync(string pattern, IOperationContext operationContext, IFolderListingResultContext resultContext)
{
// This method has a 60 sec timeout.
// To process longer requests and reset the timout timer call one of the following:
// - resultContext.ReturnChildren() method.
// - resultContext.ReportProgress() method.
Logger.LogMessage($"IFolder.GetChildrenAsync({pattern})", UserFileSystemPath);
IEnumerable <FileSystemItemBasicInfo> children = await new UserFolder(UserFileSystemPath).EnumerateChildrenAsync(pattern);
// Filtering existing files/folders. This is only required to avoid extra errors in the log.
List <IFileSystemItemBasicInfo> newChildren = new List <IFileSystemItemBasicInfo>();
foreach (IFileSystemItemBasicInfo child in children)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, child.Name);
if (!FsPath.Exists(userFileSystemItemPath))
{
Logger.LogMessage("Creating", child.Name);
newChildren.Add(child);
}
}
// To signal that the children enumeration is completed
// always call ReturnChildren(), even if the folder is empty.
resultContext.ReturnChildren(newChildren.ToArray(), newChildren.Count());
// Save ETags and set "locked by another user" icon.
foreach (FileSystemItemBasicInfo child in children)
{
string userFileSystemItemPath = Path.Combine(UserFileSystemPath, child.Name);
// Create ETags.
// ETags must correspond with a server file/folder, NOT with a client placeholder.
// It should NOT be moved/deleted/updated when a placeholder in the user file system is moved/deleted/updated.
// It should be moved/deleted when a file/folder in the remote storage is moved/deleted.
ETag.SetETagAsync(userFileSystemItemPath, child.ETag);
// Set the lock icon and read-only attribute, to indicate that the item is locked by another user.
new UserFileSystemRawItem(userFileSystemItemPath).SetLockedByAnotherUserAsync(child.LockedByAnotherUser);
}
}
