protected override void Execute(NativeActivityContext context)
{
WorkflowDataContext dataContext = context.DataContext;
PropertyDescriptorCollection propertyDescriptorCollection = dataContext.GetProperties();
string sessionId = string.Empty;
int fileSystemItemId = 0;
foreach (PropertyDescriptor propertyDesc in propertyDescriptorCollection)
{
if (propertyDesc.Name == "ArgSessionId")
{
sessionId = propertyDesc.GetValue(dataContext) as string;
break;
}
}
foreach (PropertyDescriptor propertyDesc in propertyDescriptorCollection)
{
if (propertyDesc.Name == "ArgFileSystemItemId")
{
fileSystemItemId = (int)propertyDesc.GetValue(dataContext);
break;
}
}
if (string.IsNullOrWhiteSpace(sessionId))
{
LogHelper.AddGeneralLog(GeneralLogTypeEnum.ActivityError, $"SessionId is null.");
return;
}
if (fileSystemItemId == 0)
{
LogHelper.AddSessionLog(SessionLogTypeEnum.ActivityError, sessionId, $"FileSystemItemId is null.");
return;
}
FileSystemItemDto fileSystemItem = null;
try
{
using (var sqlDbContext = new SqlDbContext())
{
fileSystemItem = sqlDbContext.FileSystemItems.FirstOrDefault(x => x.Id == fileSystemItemId);
}
}
catch (Exception ex)
{
LogHelper.AddSessionLog(SessionLogTypeEnum.ActivityError, sessionId, $"Exception has been thrown when getting fileSystemItem. FileSystemItemId: {fileSystemItemId}", ex);
return;
}
var targetFile = TargetFilePathForTextFile.Get(context);
int counter = 0;
while (true)
{
counter++;
if (File.Exists(targetFile))
{
var directory = Path.GetDirectoryName(targetFile);
var fileName = Path.GetFileNameWithoutExtension(targetFile);
var extension = Path.GetExtension(targetFile);
targetFile = Path.Combine(directory, fileName + counter + extension);
}
else
{
break;
}
}
try
{
TempData.Instance.TempPath = Path.GetTempPath();
using (PDFDoc doc = PDFDoc.Open(fileSystemItem.FullPath))
{
if (doc.GetText() == string.Empty)
{
doc.Ocr(OcrMode.Tesseract, "tur", WriteTextMode.Word);
doc.Save(TargetFilePathForPDFFile.Get(context));
var ocrText = doc.GetText();
File.WriteAllText(TargetFilePathForTextFile.Get(context), ocrText);
}
}
}
catch (Exception ex)
{
LogHelper.AddFileSystemItemLog(fileSystemItemId, fileSystemItem.SourceId, sessionId, FileSystemItemLogTypeEnum.StoppedWithError, $"Exception has been thrown in OCR operation. FileSystemItemId: {fileSystemItemId}", ex);
return;
}
LogHelper.AddFileSystemItemLog(fileSystemItem.Id, fileSystemItem.SourceId, sessionId, FileSystemItemLogTypeEnum.TesseractOcrOk);
Result.Set(context, true);
}
protected override void Execute(NativeActivityContext context)
{
WorkflowDataContext dataContext = context.DataContext;
PropertyDescriptorCollection propertyDescriptorCollection = dataContext.GetProperties();
string sessionId = string.Empty;
int fileSystemItemId = 0;
foreach (PropertyDescriptor propertyDesc in propertyDescriptorCollection)
{
if (propertyDesc.Name == "ArgSessionId")
{
sessionId = propertyDesc.GetValue(dataContext) as string;
break;
}
}
foreach (PropertyDescriptor propertyDesc in propertyDescriptorCollection)
{
if (propertyDesc.Name == "ArgFileSystemItemId")
{
fileSystemItemId = (int)propertyDesc.GetValue(dataContext);
break;
}
}
if (string.IsNullOrWhiteSpace(sessionId))
{
LogHelper.AddGeneralLog(GeneralLogTypeEnum.ActivityError, $"SessionId is null.");
return;
}
if (fileSystemItemId == 0)
{
LogHelper.AddSessionLog(SessionLogTypeEnum.ActivityError, sessionId, $"FileSystemItemId is null.");
return;
}
FileSystemItemDto fileSystemItem = null;
try
{
using (var sqlDbContext = new SqlDbContext())
{
fileSystemItem = sqlDbContext.FileSystemItems.FirstOrDefault(x => x.Id == fileSystemItemId);
}
}
catch (Exception ex)
{
LogHelper.AddSessionLog(SessionLogTypeEnum.ActivityError, sessionId, $"Exception has been thrown when getting fileSystemItem. FileSystemItemId: {fileSystemItemId}", ex);
return;
}
var targetFilePathForTextFile = TargetFilePathForTextFile.Get(context);
var targetFilePathForPDFFile = TargetFilePathForPDFFile.Get(context);
targetFilePathForTextFile = FileHelper.GetUnusedFileName(Path.GetDirectoryName(targetFilePathForTextFile), Path.GetFileName(targetFilePathForTextFile));
var dummyTiffFile = FileHelper.GetUnusedFileName(Path.GetTempPath(), Guid.NewGuid().ToString() + ".tiff");
// C:\Users\efeo\Downloads\ImageMagick-7.0.8-12-portable-Q16-x64\convert.exe -density 300 c:\AkisLog\A.pdf -depth 8 -strip -background white -alpha off c:\AkisLog\a.tiff
try
{
Process process = new Process();
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = @"C:\Users\efeo\Downloads\ImageMagick-7.0.8-12-portable-Q16-x64\convert.exe",
Arguments = $"-density 300 {fileSystemItem.FullPath} -depth 8 -strip -background white -alpha off {dummyTiffFile}"
};
process.StartInfo = processStartInfo;
try
{
process.Start();
process.WaitForExit();
}
catch (Exception ex)
{
logger.Error(ex, $"Process error convert.");
return;
}
}
catch (Exception ex)
{
LogHelper.AddFileSystemItemLog(fileSystemItemId, fileSystemItem.SourceId, sessionId, FileSystemItemLogTypeEnum.StoppedWithError, $"Exception has been thrown in OCR operation. FileSystemItemId: {fileSystemItemId}", ex);
return;
}
var canOsman = false;
if (File.Exists(dummyTiffFile))
{
try
{
var fileInfo = new FileInfo(dummyTiffFile);
if (fileInfo.Length > 0)
{
canOsman = true;
}
}
catch (Exception ex)
{
logger.Error(ex, $"Check file error.");
return;
}
}
if (canOsman == false)
{
}
var tessData = "";
// "C:\Program Files (x86)\Tesseract-OCR\tesseract.exe" "c:\AkisLog\c.tiff" "c:\AkisLog\c" --tessdata-dir "C:\Program Files (x86)\Tesseract-OCR\tessdata" -l tur pdf
try
{
Process process = new Process();
ProcessStartInfo processStartInfo = new ProcessStartInfo
{
FileName = @"C:\Program Files (x86)\Tesseract-OCR\tesseract.exe",
Arguments = $"\"{dummyTiffFile}\" \"{targetFilePathForPDFFile}\" --tessdata-dir \"{tessData}\" -l tur pdf"
};
process.StartInfo = processStartInfo;
try
{
process.Start();
process.WaitForExit();
}
catch (Exception ex)
{
logger.Error(ex, $"Process error tesseract.");
return;
}
}
catch (Exception ex)
{
LogHelper.AddFileSystemItemLog(fileSystemItemId, fileSystemItem.SourceId, sessionId, FileSystemItemLogTypeEnum.StoppedWithError, $"Exception has been thrown in OCR operation. FileSystemItemId: {fileSystemItemId}", ex);
return;
}
LogHelper.AddFileSystemItemLog(fileSystemItem.Id, fileSystemItem.SourceId, sessionId, FileSystemItemLogTypeEnum.TesseractOcrOk);
Result.Set(context, true);
}
