public async Task ListFilesAsync(Containers.Directory directory)
{
using (DriveService service = DriveClient.GetInfo())
{
try
{
FilesResource.ListRequest listRequest = service.Files.List();
listRequest.Q = "'" + directory.id + "' in parents and trashed = false";
listRequest.OrderBy = "name";
listRequest.Fields = "nextPageToken, files" +
"(id, name, mimeType, permissions, webContentLink, description, size, shared, owners, parents)";
Google.Apis.Drive.v3.Data.FileList ListResponse = listRequest.Execute();
while (ListResponse.Files != null && ListResponse.Files.Count != 0)
{
List <Task> tasks = new List <Task>();
foreach (var item in ListResponse.Files)
{
tasks.Add(Task.Run(() => AddToParentDirectoryObject(item, directory)));
}
Task.WaitAll(tasks.ToArray());
if (ListResponse.NextPageToken == null)
{
break;
}
listRequest.PageToken = ListResponse.NextPageToken;
ListResponse = listRequest.Execute();
}
}
catch (Exception e)
{
throw new Exception(e.StackTrace);
}
}
}
// Returns the Google Drive provided specific id of the root directory.
public Containers.Directory GetRoot()
{
Containers.Directory root = new Containers.Directory()
{
id = "root",
};
return(root);
}
internal Containers.Directory CreateDirectoryObject(Google.Apis.Drive.v3.Data.File item, Containers.Directory parentDirectory)
{
Containers.Directory directory = new Containers.Directory()
{
id = item.Id,
Name = item.Name,
Description = item.Description,
Size = item.Size,
SharedLink = GetSharedLink(item),
Owners = GetOwners(item),
CreationTime = item.CreatedTime.ToString(),
Users = GetUsers(item),
path = parentDirectory.path + parentDirectory.Name + "\\",
mimeType = "application/folder",
Parent = (List <string>)item.Parents,
};
return(directory);
}
// Deserialize transaction file and assign the returned object to global variable CloudItems
private bool DeserializeTransactioFile()
{
try
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(Containers.Directory));
lock (thisLock)
{
using (FileStream stream = new FileStream(transactionLog.path, FileMode.Open))
{
stream.Position = 0;
rootDirectory = (Containers.Directory)ser.ReadObject(stream);
}
}
}
catch (Exception e)
{
return(false);
}
return(true);
}
public void UploadDirectory(Containers.Directory item)
{
try
{
using (var service = DriveClient.GetInfo())
{
var fileMetadata = new Google.Apis.Drive.v3.Data.File()
{
Name = item.Name,
MimeType = "application/vnd.google-apps.folder",
Parents = item.Parent,
};
var request = service.Files.Create(fileMetadata).Execute();
}
}
catch (Exception e)
{
throw e;
}
}
private async Task CopyFilesFromCloudToLocal(bool resume = false)
{
try
{
if (resume)
{
DeserializeTransactioFile();
Copy();
}
else
{
CreateTransactionLogFile();
fileQueue.Enqueue(rootDirectory);
Copy();
}
fileQueue.Clear();
rootDirectory = null;
}
catch (Exception e)
{
throw e;
}
}
private async Task GetRootFromSource()
{
ListResource files = new ListResource(cloud);
rootDirectory = await files.GetFiles();
}
internal void AddToParentDirectoryObject(Google.Apis.Drive.v3.Data.File item, Containers.Directory directory)
{
if (isDirectory(item.MimeType))
{
if (directory.SubDirectories == null)
{
directory.SubDirectories = new List <Containers.Directory>();
}
directory.SubDirectories.Add(CreateDirectoryObject(item, directory));
}
else
{
if (directory.Files == null)
{
directory.Files = new List <Containers.File>();
}
directory.Files.Add(CreateFileObject(item, directory));
}
}
internal Containers.File CreateFileObject(Google.Apis.Drive.v3.Data.File item, Containers.Directory parentDirectory)
{
Containers.File file = new Containers.File()
{
id = item.Id,
Name = item.Name,
Description = item.Description,
Size = item.Size,
SharedLink = item.WebContentLink,
Owners = GetOwners(item),
CreationTime = item.CreatedTime.ToString(),
Users = GetUsers(item),
path = parentDirectory.path + parentDirectory.Name + "\\",
mimeType = item.MimeType,
Parent = (List <string>)item.Parents,
};
return(file);
}
