public static bool FtpDirectoryNotFound(PLRAttachmentVM PLRAttachmentVM, string currentDir)
{
bool IsDirectoryNotFound = false;
FtpWebRequest ftpRequest = (FtpWebRequest)WebRequest.Create(currentDir);
ftpRequest.Credentials = new NetworkCredential(PLRAttachmentVM.FtpUsername, PLRAttachmentVM.FtpPassword);
ftpRequest.KeepAlive = true;
try
{
ftpRequest.Method = WebRequestMethods.Ftp.ListDirectory;
using (FtpWebResponse response = (FtpWebResponse)ftpRequest.GetResponse())
{
using (Stream ftpStream = response.GetResponseStream())
{
ftpStream.Close();
}
response.Close();
}
}
catch (WebException ex)
{
if (ex.Response != null)
{
FtpWebResponse response = (FtpWebResponse)ex.Response;
// Directory not found.
IsDirectoryNotFound = response.StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable || response.StatusCode == FtpStatusCode.NotLoggedIn;
}
}
return(IsDirectoryNotFound);
}
public static string UploadFileToFtp(PLRAttachmentVM PLRAttachmentVM)
{
string ftpResult = string.Empty;
byte[] fileData = null;
FtpWebRequest ftpRequest = null;
try
{
for (int i = 0; i < PLRAttachmentVM.Request.Files.Count; i++)
{
string currentDir = $"{PLRAttachmentVM.FtpUrl}/{PLRAttachmentVM.ClaimId}/{PLRAttachmentVM.FolderName.ToLowerInvariant()}/";
currentDir = $"{currentDir}{PLRAttachmentVM.Request.Files[i].FileName.ToLowerInvariant()}";
ftpRequest = (FtpWebRequest)WebRequest.Create(currentDir);
ftpRequest.UseBinary = true;
ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;
ftpRequest.Credentials = new NetworkCredential(PLRAttachmentVM.FtpUsername, PLRAttachmentVM.FtpPassword);
ftpRequest.Proxy = null;
ftpRequest.KeepAlive = true;
using (BinaryReader binaryReader = new BinaryReader(PLRAttachmentVM.Request.Files[i].InputStream))
{
fileData = binaryReader.ReadBytes(PLRAttachmentVM.Request.Files[i].ContentLength);
}
ftpRequest.ContentLength = fileData.Length;
using (Stream requestStream = ftpRequest.GetRequestStream())
{
requestStream.Write(fileData, 0, fileData.Length);
}
using (FtpWebResponse ftpResp = (FtpWebResponse)ftpRequest.GetResponse())
{
if (ftpResp != null && ftpResp.StatusDescription.StartsWith("226", StringComparison.Ordinal))
{
PLRDAO.SaveUploadInformation(PLRAttachmentVM, i);
ftpResult = ValidationMessages.FileUploadComplete;
}
}
}
}
catch (Exception ex)
{
LoggerService.LogException(ex);
}
return(ftpResult);
}
public static string CreateFtpDirectory(PLRAttachmentVM PLRAttachmentVM)
{
string ftpResult = string.Empty;
try
{
FtpWebRequest reqFTP = null;
Stream ftpStream = null;
string[] subDirs = { PLRAttachmentVM.ClaimId, PLRAttachmentVM.FolderName.ToLowerInvariant() };
string currentDir = PLRAttachmentVM.FtpUrl;
foreach (string subDir in subDirs)
{
currentDir = $"{currentDir}/{subDir}";
reqFTP = (FtpWebRequest)WebRequest.Create(currentDir);
reqFTP.Credentials = new NetworkCredential(PLRAttachmentVM.FtpUsername, PLRAttachmentVM.FtpPassword);
reqFTP.KeepAlive = true;
if (FtpDirectoryNotFound(PLRAttachmentVM, currentDir))
{
// create directory if it doesn't exist
reqFTP.Method = WebRequestMethods.Ftp.MakeDirectory;
reqFTP.UseBinary = true;
using (FtpWebResponse response = (FtpWebResponse)reqFTP.GetResponse())
{
ftpStream = response.GetResponseStream();
ftpStream.Close();
response.Close();
}
}
}
}
catch (WebException e)
{
if (e.Message == ValidationMessages.RemoteNotLoggedin)
{
ftpResult = ValidationMessages.NotLoggedIn;
}
else
{
ftpResult = ValidationMessages.CreateDirectoryFailed;
}
}
return(ftpResult);
}
public Response <List <UploadImageStatus> > SaveAttachment(string folderName, string claimId, int?userId, HttpRequestBase Request, FtpCredentials ftpCredentials)
{
string ftpResult = string.Empty;
string pathToCreate = $"{claimId}/{folderName}";
List <UploadImageStatus> lstimgstatus = new List <UploadImageStatus>();
Response <List <UploadImageStatus> > response = new Response <List <UploadImageStatus> >();
PLRAttachmentVM PLRAttachmentVM = new PLRAttachmentVM
{
FtpUrl = ftpCredentials.FTPAddress,
PathToCreate = pathToCreate,
FtpUsername = ftpCredentials.FTPUserName,
FtpPassword = ftpCredentials.FTPPassword,
ClaimId = claimId,
FolderName = folderName,
Status = folderName.Substring(0, 1).ToUpper(),
UserId = userId.ToString(),
Request = Request
};
try
{
ftpResult = FtpIOExtensions.CreateFtpDirectory(PLRAttachmentVM);
if (string.IsNullOrEmpty(ftpResult))
{
ftpResult = FtpIOExtensions.UploadFileToFtp(PLRAttachmentVM);
lstimgstatus = PLRDAO.UploadedImagesDetail(PLRAttachmentVM.ClaimId);
response.Status = ResultStatus.Success;
response.Message = "Success";
response.Data = lstimgstatus;
}
}
catch (Exception ex)
{
LoggerService.LogException(ex);
response.Status = ResultStatus.Error;
response.Message = "Error";
response.Data = lstimgstatus;
}
return(response);
}
