public async Task DeleteFile(string name, FileServerClient client)
{
var requestPath = client.GetRequestPath(name);
var ftpRequest = (FtpWebRequest)WebRequest.Create(requestPath);
ftpRequest.Credentials = new NetworkCredential(client.Login, client.Password);
ftpRequest.Method = WebRequestMethods.Ftp.DeleteFile;
var response = (FtpWebResponse)await ftpRequest.GetResponseAsync();
client.GetResponseCode(response.StatusDescription);
}
public FileServerService(IUserRepository userRepository, IUserSharedFileRepository userSharedFileRepository, IFileSharedGroupRepository fileSharedGroupRepository,
IFileRepository fileRepository, ISemesterSubjectFileRepository semesterSubjectFileRepository, IUnitOfWork unitOfWork)
{
_ftpClient = new FtpClient(LogicConstants.FtpServerAddress, LogicConstants.FtpUserLogin, LogicConstants.FtpUserPassword);
//_fileServer = new FtpServer(LogicConstants.FtpServerAddress);
//_fileServerUser = new FtpUser(LogicConstants.FtpUserLogin, LogicConstants.FtpUserPassword, _fileServer);
_userRepository = userRepository;
_fileSharedGroupRepository = fileSharedGroupRepository;
_userSharedFileRepository = userSharedFileRepository;
_fileRepository = fileRepository;
_semesterSubjectFileRepository = semesterSubjectFileRepository;
_unitOfWork = unitOfWork;
}
public async Task UploadFile(File file, FileServerClient client)
{
var requestPath = client.GetRequestPath(file.Name);
var ftpRequest = (FtpWebRequest)WebRequest.Create(requestPath);
ftpRequest.Credentials = new NetworkCredential(client.Login, client.Password);
ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;
ftpRequest.ContentLength = file.Content.Length;
using (Stream ftpUploadStream = ftpRequest.GetRequestStream())
{
await ftpUploadStream.WriteAsync(file.Content, 0, file.Content.Length);
}
client.GetResponseCode(((FtpWebResponse)ftpRequest.GetResponse()).StatusDescription);
if (client.ServerResponse != ServerResponseCode.FileUploaded)
{
client.ServerResponse = ServerResponseCode.GlobalError;
}
}
public void GoToOrCreatePath(string path, FileServerClient client)
{
var pathDirectories = ConvertDirectoryListingToList(path);
for (int i = 1; i < pathDirectories.Count; i++)
{
ChangeCurrentDirectoryOrCreateDirectory(pathDirectories[i], client);
if (client.ServerResponse == ServerResponseCode.FolderCreated || client.ServerResponse == ServerResponseCode.FolderExists)
{
continue;
}
client.ServerResponse = ServerResponseCode.GlobalError;
return;
}
client.ServerResponse = ServerResponseCode.CommandsExecutedSuccessfully;
}
public string GetNewNameForFile(string oldName, FileServerClient client)
{
var newName = new StringBuilder(oldName);
var nameForCheck = newName.ToString();
while (FileOrDirectoryAlreadyExists(nameForCheck, client))
{
var nameComponents = nameForCheck.Split(new[] {"."}, StringSplitOptions.RemoveEmptyEntries);// cos.tam.name_1.txt => cos | tam || name_1 | txt
var noneExtension = nameComponents[nameComponents.Length - 2]; // name_1
var noneExtensionDevidedBySeparator = noneExtension.Split(new[] {"_"}, // split name by _ => name | 1 length:2
StringSplitOptions.RemoveEmptyEntries);
if (noneExtensionDevidedBySeparator.Length > 1)
{
int number;
int appendPossition = 0;
var enumeratorPart = "1";
int.TryParse(noneExtensionDevidedBySeparator.Last(), out number);
if (number != 0)
{
number++;
enumeratorPart = number.ToString();
appendPossition++;
}
newName.Clear();
for (int i = 0; i < nameComponents.Length - 2; i++)
{
newName.Append(nameComponents[i]);
newName.Append(".");
}
for (int i = 0; i < noneExtensionDevidedBySeparator.Length - appendPossition; i++)
{
newName.Append(noneExtensionDevidedBySeparator[i]);
newName.Append("_");
}
newName.Append(enumeratorPart);
newName.Append(".");
newName.Append(nameComponents.Last());
}
else
{
newName.Clear();
for (int i = 0; i < nameComponents.Length - 2; i++)
{
newName.Append(nameComponents[i]);
newName.Append(".");
}
for (int i = 0; i < noneExtensionDevidedBySeparator.Length; i++)
{
newName.Append(noneExtensionDevidedBySeparator[i]);
newName.Append("_");
}
newName.Append("1");
newName.Append(".");
newName.Append(nameComponents.Last());
}
nameForCheck = newName.ToString();
}
return nameForCheck;
}
public bool FileOrDirectoryAlreadyExists(string fileName, FileServerClient client)
{
var directoriesList = GetDirectoriesList(client);
return directoriesList.Contains(fileName);
}
private List<string> GetDirectoriesList(FileServerClient client)
{
var requestPath = client.GetRequestPath();
var ftpRequest = (FtpWebRequest)WebRequest.Create(requestPath);
ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;
ftpRequest.Credentials = new NetworkCredential(client.Login, client.Password);
var response = (FtpWebResponse)ftpRequest.GetResponse();
using (var responseStream = response.GetResponseStream())
{
var responseReader = new StreamReader(responseStream);
var separator = Environment.NewLine.ToCharArray();
var result = responseReader.ReadToEnd().Split(separator).ToList();
result.RemoveAll(IsEmptyString);
return result.ToList();
}
}
private void ChangeCurrentDirectoryOrCreateDirectory(string directory, FileServerClient client)
{
List<string> directories = GetDirectoriesList(client);
if (!directories.Contains(directory))
{
var requestPath = client.GetRequestPath(directory);
var ftpRequest = (FtpWebRequest) WebRequest.Create(requestPath);
ftpRequest.Method = WebRequestMethods.Ftp.MakeDirectory;
ftpRequest.Credentials = new NetworkCredential(client.Login, client.Password);
var response = (FtpWebResponse) ftpRequest.GetResponse();
client.GetResponseCode(response.StatusDescription);
if (client.ServerResponse == ServerResponseCode.FolderCreated)
{
client.CurrentLocation += ("/" + directory);
}
}
else
{
client.CurrentLocation += ("/" + directory);
client.ServerResponse = ServerResponseCode.FolderExists;
}
}
private void ChangeCurrentDirectory(string directory, FileServerClient client)
{
List<string> directories = GetDirectoriesList(client);
if (!directories.Contains(directory))
{
client.ServerResponse = ServerResponseCode.FileDoesntExist;
}
else
{
client.CurrentLocation += ("/" + directory);
client.ServerResponse = ServerResponseCode.CommandsExecutedSuccessfully;
}
}
