private void CheckAndUpdateOffline(MNode megaNode)
{
var offlineNodePath = OfflineService.GetOfflineNodePath(megaNode);
if ((megaNode.getType() == MNodeType.TYPE_FILE && FileService.FileExists(offlineNodePath)) ||
(megaNode.getType() == MNodeType.TYPE_FOLDER && FolderService.FolderExists(offlineNodePath)) ||
TransferService.ExistPendingNodeOfflineTransfer(this))
{
if (SavedForOfflineDB.ExistsNodeByLocalPath(offlineNodePath))
{
SavedForOfflineDB.UpdateNode(megaNode);
}
else
{
SavedForOfflineDB.InsertNode(megaNode);
}
this.IsSavedForOffline = true;
return;
}
if (SavedForOfflineDB.ExistsNodeByLocalPath(offlineNodePath))
{
SavedForOfflineDB.DeleteNodeByLocalPath(offlineNodePath);
}
this.IsSavedForOffline = false;
}
public async Task <bool> SaveForOffline()
{
// User must be online to perform this operation
if (!IsUserOnline())
{
return(false);
}
MNode parentNode = SdkService.MegaSdk.getParentNode(this.OriginalMNode);
String sfoRootPath = Path.Combine(ApplicationData.Current.LocalFolder.Path,
AppResources.DownloadsDirectory.Replace("\\", ""));
String parentNodePath;
if (ParentContainerType != ContainerType.PublicLink)
{
parentNodePath = Path.Combine(ApplicationData.Current.LocalFolder.Path,
AppResources.DownloadsDirectory.Replace("\\", ""),
(SdkService.MegaSdk.getNodePath(parentNode)).Remove(0, 1).Replace("/", "\\"));
}
else
{
// If is a public node (link) the destination folder is the SFO root
parentNodePath = sfoRootPath;
}
if (!FolderService.FolderExists(parentNodePath))
{
FolderService.CreateFolder(parentNodePath);
}
if (this.IsFolder)
{
await RecursiveSaveForOffline(parentNodePath, this);
}
else
{
await SaveFileForOffline(parentNodePath, this);
}
this.IsAvailableOffline = this.IsSelectedForOffline = true;
// Check and add to the DB if necessary the previous folders of the path
while (String.Compare(parentNodePath, sfoRootPath) != 0)
{
var folderPathToAdd = parentNodePath;
parentNodePath = ((new DirectoryInfo(parentNodePath)).Parent).FullName;
if (!SavedForOffline.ExistsNodeByLocalPath(folderPathToAdd))
{
SavedForOffline.Insert(parentNode);
}
parentNode = SdkService.MegaSdk.getParentNode(parentNode);
}
return(true);
}
private async Task RecursiveSaveForOffline(String sfoPath, NodeViewModel node)
{
if (!FolderService.FolderExists(sfoPath))
{
FolderService.CreateFolder(sfoPath);
}
String newSfoPath = Path.Combine(sfoPath, node.Name);
if (!FolderService.FolderExists(newSfoPath))
{
FolderService.CreateFolder(newSfoPath);
}
if (!SavedForOffline.ExistsNodeByLocalPath(newSfoPath))
{
SavedForOffline.Insert(node.OriginalMNode, true);
}
else
{
SavedForOffline.UpdateNode(node.OriginalMNode, true);
}
MNodeList childList = MegaSdk.getChildren(node.OriginalMNode);
for (int i = 0; i < childList.size(); i++)
{
// To avoid pass null values to CreateNew
if (childList.get(i) == null)
{
continue;
}
var childNode = NodeService.CreateNew(this.MegaSdk, this.AppInformation, childList.get(i), this.ParentContainerType);
// If node creation failed for some reason, continue with the rest and leave this one
if (childNode == null)
{
continue;
}
if (childNode.IsFolder)
{
await RecursiveSaveForOffline(newSfoPath, childNode);
}
else
{
await SaveFileForOffline(newSfoPath, childNode);
}
}
}
private void CheckAndUpdateSFO(MNode megaNode)
{
this.IsAvailableOffline = false;
this.IsSelectedForOffline = false;
var nodePath = SdkService.MegaSdk.getNodePath(megaNode);
if (String.IsNullOrWhiteSpace(nodePath))
{
return;
}
var nodeOfflineLocalPath = Path.Combine(ApplicationData.Current.LocalFolder.Path,
AppResources.DownloadsDirectory, nodePath.Remove(0, 1).Replace("/", "\\"));
if (SavedForOffline.ExistsNodeByLocalPath(nodeOfflineLocalPath))
{
var existingNode = SavedForOffline.ReadNodeByLocalPath(nodeOfflineLocalPath);
if ((megaNode.getType() == MNodeType.TYPE_FILE && FileService.FileExists(nodeOfflineLocalPath)) ||
(megaNode.getType() == MNodeType.TYPE_FOLDER && FolderService.FolderExists(nodeOfflineLocalPath)))
{
this.IsAvailableOffline = true;
this.IsSelectedForOffline = existingNode.IsSelectedForOffline;
}
else
{
SavedForOffline.DeleteNodeByLocalPath(nodeOfflineLocalPath);
}
}
else
{
if (megaNode.getType() == MNodeType.TYPE_FILE && FileService.FileExists(nodeOfflineLocalPath))
{
SavedForOffline.Insert(megaNode, true);
this.IsAvailableOffline = this.IsSelectedForOffline = true;
}
else if (megaNode.getType() == MNodeType.TYPE_FOLDER && FolderService.FolderExists(nodeOfflineLocalPath))
{
SavedForOffline.Insert(megaNode);
this.IsAvailableOffline = true;
this.IsSelectedForOffline = false;
}
}
}
public async void SaveForOffline()
{
// User must be online to perform this operation
if (!await IsUserOnlineAsync())
{
return;
}
var offlineParentNodePath = OfflineService.GetOfflineParentNodePath(this.OriginalMNode);
if (!FolderService.FolderExists(offlineParentNodePath))
{
FolderService.CreateFolder(offlineParentNodePath);
}
var existingNode = SavedForOfflineDB.SelectNodeByFingerprint(MegaSdk.getNodeFingerprint(this.OriginalMNode));
if (existingNode != null)
{
bool result = this.IsFolder ?
await FolderService.CopyFolderAsync(existingNode.LocalPath, offlineParentNodePath) :
await FileService.CopyFileAsync(existingNode.LocalPath, offlineParentNodePath);
if (result)
{
SavedForOfflineDB.InsertNode(this.OriginalMNode);
}
}
else
{
TransferService.MegaTransfers.Add(this.OfflineTransfer);
this.OfflineTransfer.StartTransfer(true);
}
this.IsSavedForOffline = true;
OfflineService.CheckOfflineNodePath(this.OriginalMNode);
}
private async Task RecursiveRemoveForOffline(String sfoPath, String nodeName)
{
String newSfoPath = Path.Combine(sfoPath, nodeName);
if (FolderService.FolderExists(newSfoPath))
{
// Search if the folder has a pending transfer for offline and cancel it on this case
TransfersService.CancelPendingNodeOfflineTransfers(String.Concat(newSfoPath, "\\"), this.IsFolder);
IEnumerable <string> childFolders = Directory.GetDirectories(newSfoPath);
if (childFolders != null)
{
foreach (var folder in childFolders)
{
if (folder != null)
{
await RecursiveRemoveForOffline(newSfoPath, folder);
SavedForOffline.DeleteNodeByLocalPath(Path.Combine(newSfoPath, folder));
}
}
}
IEnumerable <string> childFiles = Directory.GetFiles(newSfoPath);
if (childFiles != null)
{
foreach (var file in childFiles)
{
if (file != null)
{
SavedForOffline.DeleteNodeByLocalPath(Path.Combine(newSfoPath, file));
}
}
}
}
}
