private Task <PreprocessingResult> ConvertSingleJp2ToPdf(PrepareForTransformationMessage message)
{
try
{
var tempFolder = GetTempFolder(message.RepositoryPackage);
var metadataFile = Path.Combine(tempFolder, "header", "metadata.xml");
var paket = (PaketDIP)Paket.LoadFromFile(metadataFile);
// Create pdf documents from scanned jpeg 2000 scans.
scanProcessor.ConvertSingleJpeg2000ScansToPdfDocuments(paket, tempFolder);
// Save the changed info to the metadata file
((Paket)paket).SaveToFile(metadataFile);
// As we changed files we need to update the RepositoryPackage
if (paket.Ablieferung.Bemerkung != "Metadata.xml das nicht zum Inhalt passt für Testsysteme")
{
UpdateRepositoryPackage(message.RepositoryPackage, paket);
}
else
{
UpdateRepositoryPackageFromDisk(message.RepositoryPackage, tempFolder);
}
return(Task.FromResult(new PreprocessingResult {
Success = true
}));
}
catch (Exception ex)
{
var msg = "Unexpected error while converting single jpeg 2000 to pdf.";
Log.Error(ex, msg);
return(Task.FromResult(new PreprocessingResult {
Success = false, ErrorMessage = msg
}));
}
}
/// <summary>
/// Converts a package to a usage copy.
/// </summary>
/// <param name="id">ArchiveRecordId oder OrderItemId</param>
/// <param name="assetType">The asset type.</param>
/// <param name="fileName">Name of the package file to convert.</param>
/// <param name="packageId">The id of the ordered package</param>
/// <returns>PackageConversionResult.</returns>
public async Task <PackageConversionResult> ConvertPackage(string id, AssetType assetType, bool protectWithPassword, string fileName,
string packageId)
{
var retVal = new PackageConversionResult {
Valid = true
};
var packageFileName = Path.Combine(Settings.Default.PickupPath, fileName);
var fi = new FileInfo(packageFileName);
// Make sure Gebrauchskopien have a packageId
if (assetType == AssetType.Gebrauchskopie && string.IsNullOrEmpty(packageId))
{
throw new InvalidOperationException("Assets of type <Gebrauchskopie> require a packageId");
}
if (File.Exists(fi.FullName))
{
Log.Information("Found zip file {Name}. Starting to extract...", fi.Name);
var tempFolder = Path.Combine(fi.DirectoryName, fi.Name.Remove(fi.Name.Length - fi.Extension.Length));
try
{
// Extract zip file to disk
ZipFile.ExtractToDirectory(packageFileName, tempFolder);
if (assetType == AssetType.Benutzungskopie)
{
ConvertAreldaMetadataXml(tempFolder);
}
var metadataFile = Path.Combine(tempFolder, "header", "metadata.xml");
var paket = (PaketDIP)Paket.LoadFromFile(metadataFile);
// Create pdf documents from scanned jpeg 2000 scans.
scanProcessor.ConvertSingleJpeg2000ScansToPdfDocuments(paket, tempFolder,
parameterHelper.GetSetting <ScansZusammenfassenSettings>());
// Get all the files from the subdirectory "content" in the extracted directory
var files = new DirectoryInfo(Path.Combine(tempFolder, "content")).GetFiles("*.*", SearchOption.AllDirectories);
foreach (var file in files)
{
Log.Information("Start extracting text for file: {file} for archive record or order id {id}", file, id);
var convertedFile = await ConvertFile(file, paket, tempFolder);
// Delete the original file, if the convertedFile exists and is not the same as the original file.
// In case of PDF the name of the original and converted file could be the same. --> PDF to PDF with OCR
if (!string.IsNullOrEmpty(convertedFile) && File.Exists(convertedFile) && convertedFile != file.FullName)
{
file.Delete();
}
}
paket.Generierungsdatum = DateTime.Today;
((Paket)paket).SaveToFile(metadataFile);
AddReadmeFile(tempFolder);
AddDesignFiles(tempFolder);
CreateIndexHtml(tempFolder, packageId);
// Create zip file with the name of the archive
var finalZipFolder = Path.Combine(fi.DirectoryName, assetType.ToString(), id);
var finalZipFile = finalZipFolder + ".zip";
CreateZipFile(finalZipFolder, finalZipFile, tempFolder, protectWithPassword, id);
retVal.FileName = finalZipFile;
// if we are here everything is groovy
Log.Information("Successfully processed (converted formats) zip file {Name}", fi.Name);
}
catch (Exception ex)
{
Log.Error(ex, "Unexpected exception while converting the package.");
retVal.Valid = false;
retVal.ErrorMessage = $"Unexpected exception while converting the package.\nException:\n{ex}";
return(retVal);
}
finally
{
// Delete the temp files
if (Directory.Exists(tempFolder))
{
Directory.Delete(tempFolder, true);
}
}
}
else
{
Log.Warning("Unable to find the zip file {packageFileName} for conversion.", packageFileName);
retVal.Valid = false;
retVal.ErrorMessage = $"Unable to find the zip file {packageFileName} for conversion.";
return(retVal);
}
return(retVal);
}