public string GetVlImageFromServerIfAvailable(string vlName)
{
try
{
vlName = vlName.Trim();
var imageServiceDirectory = ImageServiceFilesFolder;
if (!imageServiceDirectory.Exists)
{
imageServiceDirectory.Create();
}
var record = Register.FirstOrDefault(r => r.VlName == vlName);
if (record == null)
{
record = new VlUrlRecord {
VlName = vlName
};
Register.Add(record);
}
if (string.IsNullOrWhiteSpace(record.FtpPath))
{
var ftppath = CheckImageForVlAvailable(ref record);
if (ftppath == null)
{
return(null);
}
record.FtpPath = ftppath;
}
if (string.IsNullOrWhiteSpace(record.CdrPath))
{
var cdrFolder = new DirectoryInfo(Path.Combine(IndicoConfiguration.AppConfiguration.PathToDataFolder, "ImageServiceFiles", "CDRFiles"));
if (!cdrFolder.Exists)
{
Directory.CreateDirectory(cdrFolder.FullName);
}
var fileData = DownloadFile(record.FtpPath);
var cdrFile = new FileInfo(Path.Combine(cdrFolder.FullName, record.ImageFileName + ".cdr"));
File.WriteAllBytes(cdrFile.FullName, fileData);
record.CdrPath = cdrFile.FullName;
}
if (string.IsNullOrWhiteSpace(record.ImagePath))
{
try { ConvertToImage(ref record); }
catch (Exception) { /*ignored*/ }
}
if (string.IsNullOrEmpty(record.ImagePath))
{
return(null);
}
CleanFiles();
return("/IndicoData/ImageServiceFiles/ImageFiles/" + new FileInfo(record.ImagePath).Name);
}
catch (Exception)
{
return(null);
}
}
private void ConvertToImage(ref VlUrlRecord record)
{
if (!string.IsNullOrEmpty(record.ImagePath) && string.IsNullOrWhiteSpace(record.CdrPath))
{
return;
}
var imageFilesFolder = new DirectoryInfo(Path.Combine(IndicoConfiguration.AppConfiguration.PathToDataFolder, "ImageServiceFiles", "ImageFiles"));
if (!imageFilesFolder.Exists)
{
Directory.CreateDirectory(imageFilesFolder.FullName);
}
var imageFile = new FileInfo(Path.Combine(imageFilesFolder.FullName, record.ImageFileName + ".png"));
var pathtoConverter = IndicoConfiguration.AppConfiguration.PathToDataFolder + "\\Applications\\CDRConverter.exe";
var converter = new Process
{
StartInfo =
{
FileName = pathtoConverter,
RedirectStandardOutput = true,
UseShellExecute = false,
Arguments = string.Format("\"{0}\" \"{1}\"", record.CdrPath, imageFile.FullName),
RedirectStandardError = true
}
};
converter.Start();
converter.WaitForExit();
if (imageFile.Exists)
{
record.ImagePath = imageFile.FullName;
}
}
private string CheckImageForVlAvailable(ref VlUrlRecord record)
{
var vlName = record.VlName.Trim();
if (!Regex.IsMatch(vlName, @"^[Vv][Ll]\d{1,}$"))
{
return(null);
}
var folders = GetFilesInAFolder(IndicoConfiguration.AppConfiguration.ImagesFtpUrl);
if (folders == null)
{
return(null);
}
folders = folders.Where(f => f.StartsWith("VL")).ToList();
if (folders.Count < 1)
{
return(null);
}
var vlNumberMatch = Regex.Match(vlName, @"\d{1,}");
var vlNumber = Convert.ToInt32(vlNumberMatch.Value);
var containFolder = "";
foreach (var folder in folders)
{
var splitted = folder.Split('-');
if (splitted.Length < 1)
{
continue;
}
var startStr = splitted[0].Trim();
var endStr = splitted[1].Trim();
var startMatch = Regex.Match(startStr, @"\d{1,}");
var endMatch = Regex.Match(endStr, @"\d{1,}");
var start = Convert.ToInt32(startMatch.Value);
var end = Convert.ToInt32(endMatch.Value);
if (vlNumber >= start && vlNumber <= end)
{
containFolder = folder;
}
}
if (containFolder == "")
{
return(null);
}
var files = GetFilesInAFolder(IndicoConfiguration.AppConfiguration.ImagesFtpUrl + containFolder);
if (files == null)
{
return(null);
}
var targetFile = "";
foreach (var f in files)
{
var fileName = f.TrimEnd('/').Split('/').Last();
if (!fileName.Trim().StartsWith(vlName))
{
continue;
}
record.ImageFileName = fileName.Replace("|||", "");
targetFile = f;
break;
}
return(targetFile == "" ? null : "ftp://mail.indico.net.au/" + targetFile);
}
