/// <summary>
///
/// </summary>
/// <param name="manifest"></param>
public PackageCreateResult CreatePackage(PackageCreateArguments newPackage)
{
List <string> transactionLog = new List <string>();
try
{
_log.LogInformation("Package create started");
// validate the contents of "newPackage" object
if (!newPackage.Files.Any())
{
return new PackageCreateResult {
ErrorType = PackageCreateErrorTypes.MissingValue, PublicError = "Files collection is empty."
}
}
;
if (string.IsNullOrEmpty(newPackage.Id))
{
return new PackageCreateResult {
ErrorType = PackageCreateErrorTypes.MissingValue, PublicError = "Id is required."
}
}
;
// ensure package does not already exist
if (_indexReader.PackageNameInUse(newPackage.Id))
{
return new PackageCreateResult {
ErrorType = PackageCreateErrorTypes.PackageExists
}
}
;
// if archive, ensure correct file count
if (newPackage.IsArchive && newPackage.Files.Count() != 1)
{
return new PackageCreateResult {
ErrorType = PackageCreateErrorTypes.InvalidFileCount
}
}
;
// write attachments to work folder
long size = newPackage.Files.Sum(f => f.Content.Length);
_workspace.Initialize();
// if archive, unzip
if (newPackage.IsArchive)
{
_workspace.AddArchiveContent(newPackage.Files.First().Content);
}
else
{
foreach (PackageCreateItem formFile in newPackage.Files)
{
_workspace.AddIncomingFile(formFile.Content, formFile.FileName);
}
}
// get all files which were uploaded, sort alphabetically for combined hashing
string[] files = _workspace.GetIncomingFileNames().ToArray();
files = _hashService.SortFileArrayForHashing(files);
// prevent deletes of empty repository folders this package might need to write to
LinkLock.Instance.Lock(newPackage.Id);
_log.LogInformation("Hashing package content");
IDictionary <string, string> hashes = new Dictionary <string, string>();
foreach (string file in files)
{
hashes.Add(file, null);
}
files.AsParallel().ForAll(delegate(string filePath) {
try {
// get hash of incoming file
(string, long)fileProperties = _workspace.GetIncomingFileProperties(filePath);
lock (hashes)
{
hashes[filePath] = (_hashService.FromString(filePath) + fileProperties.Item1);
}
// todo : this would be a good place to confirm that existingPackageId is actually valid
_workspace.WriteFile(filePath, fileProperties.Item1, fileProperties.Item2, newPackage.Id);
}
catch (Exception ex) {
// give exception more context
throw new Exception($"Error processing hash for file {filePath}", ex);
}
});
_workspace.Manifest.Description = newPackage.Description;
_log.LogInformation("Writing package manifest");
// calculate package hash from child hashes
_workspace.WriteManifest(newPackage.Id, _hashService.FromString(string.Join(string.Empty, hashes.Values)));
_workspace.Dispose();
if (_settings.AutoCreateArchiveOnPackageCreate)
{
_log.LogInformation("Generating package archive");
using (Stream stream = _indexReader.GetPackageAsArchive(newPackage.Id)){ }
}
return(new PackageCreateResult {
Success = true, PackageHash = _workspace.Manifest.Hash
});
}
catch (Exception ex)
{
_log.LogError(ex, "Unexpected error");
return(new PackageCreateResult {
ErrorType = PackageCreateErrorTypes.UnexpectedError
});
}
finally
{
if (!string.IsNullOrEmpty(newPackage.Id))
{
LinkLock.Instance.Unlock(newPackage.Id);
}
}
}