/// <summary>
/// ## Eat
///
/// Deletes the specified files.
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
public PakuResult Eat(DirectoryInfo dir, IList <VirtualFileInfo> files, string parameters)
{
// attempt to delete the files, tracking which ones we could delete
PakuResult result = new PakuResult();
foreach (VirtualFileInfo vfi in files)
{
FileInfo fi = vfi.ToFileInfo();
if (fi.Exists)
{
try
{
fi.Delete();
result.RemovedFiles.Add(vfi);
}
catch (Exception ex)
{
result.Error = ex;
break;
}
}
else
{
result.Error = new ArgumentException($"File {vfi.FullName} does not exist.");
break;
}
}
return(result);
}
/// <summary>
/// ## Execute
///
/// Executes the pipeline on a directory with the specified parameters.
/// </summary>
/// <param name="directory"></param>
/// <param name="selectParams"></param>
/// <param name="filterParams"></param>
/// <returns></returns>
public PakuResult Execute(string directory, string selectParams, string filterParams, string pakuParams, bool logToFile = false)
{
PakuResult result = new PakuResult();
// check if directory exists first
DirectoryInfo di = new DirectoryInfo(directory);
if (!di.Exists)
{
// if not, throw an argument exception
// we do not want to create a logger in this case, as it will create the directory structure for the log file
result.Error = new ArgumentException($"Directory does not exist: {directory}");
}
else
{
// setup the logger
BootstrapLogger(logToFile, directory);
try
{
Logger.Info($"Cleaning directory: {directory}");
IList <VirtualFileInfo> files = SelectionStrategy.Select(di, selectParams);
Logger.Info($"Files selected: {files.Count}");
files = FilterStrategy.Filter(files, filterParams);
Logger.Info($"Files filtered: {files.Count}");
result = PakuStrategy.Eat(di, files, pakuParams);
Logger.Info($"Files removed: {result.RemovedFiles.Count}");
foreach (VirtualFileInfo fi in result.RemovedFiles)
{
Logger.Debug($"Removed: {fi.Name}");
}
}
catch (Exception ex)
{
result.Error = ex;
}
if (!result.Success)
{
Logger.Error(result.Error);
}
}
// write any errors to the console
if (!result.Success)
{
Console.WriteLine(result.Error.Message);
}
return(result);
}
/// <summary>
/// ## Eat
///
/// Eats the specified list of files by adding them to a zip archive and then deleting them.
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
public PakuResult Eat(DirectoryInfo dir, IList <VirtualFileInfo> files, string parameters)
{
if (!String.IsNullOrEmpty(parameters))
{
ZipFilePrefix = parameters;
}
// attempt to delete the files, tracking which ones we could delete
PakuResult result = new PakuResult();
string zipName = Path.Combine(dir.FullName, $"{ZipFilePrefix}_{DateTime.Now.ToString("yyyyMMdd_HH-mm-ss-fff")}.zip");
using (var stream = new FileStream(zipName, FileMode.Create))
{
using (var archive = new ZipArchive(stream, ZipArchiveMode.Create, true))
{
// add files
foreach (VirtualFileInfo vfi in files)
{
FileInfo fi = vfi.ToFileInfo();
if (fi.Exists)
{
try
{
// add to archive and remove from disk
archive.CreateEntryFromFile(fi.FullName, fi.Name, CompressionLevel.Optimal);
fi.Delete();
result.RemovedFiles.Add(vfi);
}
catch (Exception ex)
{
// stop execution, but do not throw exception yet
// because we do not want to corrupt the zip file
result.Error = ex;
break;
}
}
else
{
result.Error = new ArgumentException($"File {vfi.FullName} does not exist.");
break;
}
}
}
stream.Close();
}
// add zip file to result
result.CreatedFiles.Add(new VirtualFileInfo(new FileInfo(zipName)));
return(result);
}
/// <summary>
/// ## Eat
///
/// Eats files by uploading them to Azure blob storage and then deleting them locally.
/// </summary>
/// <param name="dir"></param>
/// <param name="files"></param>
/// <param name="parameters"></param>
/// <returns></returns>
public PakuResult Eat(DirectoryInfo dir, IList <VirtualFileInfo> files, string parameters)
{
PakuResult result = new PakuResult();
try
{
AzurePakuConfig config;
try
{
string json = File.ReadAllText(parameters);
config = JsonConvert.DeserializeObject <AzurePakuConfig>(json);
}
catch (Exception ex)
{
throw new ArgumentException("parameters should be a valid path to an Azure configuration JSON file. JSON keys: ConnectionString, Container.", ex);
}
// upload the files
Upload(config.ConnectionString, config.Container, files);
// remove all uploaded files
foreach (VirtualFileInfo vfi in files)
{
FileInfo fi = vfi.ToFileInfo();
if (fi.Exists)
{
fi.Delete();
result.RemovedFiles.Add(vfi);
}
}
}
catch (Exception ex)
{
result.Error = ex;
}
return(result);
}
public PakuResult Eat(DirectoryInfo dir, IList <VirtualFileInfo> files, string parameters)
{
PakuResult result = new PakuResult();
try
{
PgpPakuStrategyParams parms = new PgpPakuStrategyParams(parameters);
// zip all filtered files before encryption
ZipPakuStrategy zipper = new ZipPakuStrategy();
PakuResult zipResult = zipper.Eat(dir, files, parms.OutputFilePrefix);
if (zipResult.Success)
{
VirtualFileInfo zipFile = zipResult.CreatedFiles[0];
// then encrypt
VirtualFileInfo pgpFile = Encrypt(zipFile, zipFile.FullName + ".pgp", parms.PgpPublicKeyPath);
// and remove the temporary zip file generated
File.Delete(zipFile.FullName);
result.CreatedFiles = new List <VirtualFileInfo>()
{
pgpFile
};
result.RemovedFiles = zipResult.RemovedFiles;
}
else
{
result.Error = zipResult.Error;
}
}
catch (Exception ex)
{
result.Error = ex;
}
return(result);
}
