/// <summary>
/// Write a set of input files to a tape archive (assuming the same output archive name)
/// </summary>
/// <param name="inputFiles">Input files to be moved</param>
/// <param name="outDir">Output directory to build to</param>
/// <param name="rom">DatItem representing the new information</param>
/// <returns>True if the archive was written properly, false otherwise</returns>
public override bool Write(List <string> inputFiles, string outDir, List <Rom> roms)
{
bool success = false;
string tempFile = Path.Combine(outDir, $"tmp{Guid.NewGuid()}");
// If either list of roms is null or empty, return
if (inputFiles == null || roms == null || inputFiles.Count == 0 || roms.Count == 0)
{
return(success);
}
// If the number of inputs is less than the number of available roms, return
if (inputFiles.Count < roms.Count)
{
return(success);
}
// If one of the files doesn't exist, return
foreach (string file in inputFiles)
{
if (!File.Exists(file))
{
return(success);
}
}
// Get the output archive name from the first rebuild rom
string archiveFileName = Path.Combine(outDir, Sanitizer.RemovePathUnsafeCharacters(roms[0].Machine.Name) + (roms[0].Machine.Name.EndsWith(".tar") ? string.Empty : ".tar"));
// Set internal variables
TarArchive oldTarFile = TarArchive.Create();
TarArchive tarFile = TarArchive.Create();
try
{
// If the full output path doesn't exist, create it
if (!Directory.Exists(Path.GetDirectoryName(archiveFileName)))
{
Directory.CreateDirectory(Path.GetDirectoryName(archiveFileName));
}
// If the archive doesn't exist, create it and put the single file
if (!File.Exists(archiveFileName))
{
// Map all inputs to index
Dictionary <string, int> inputIndexMap = new Dictionary <string, int>();
for (int i = 0; i < inputFiles.Count; i++)
{
inputIndexMap.Add(roms[i].Name.Replace('\\', '/'), i);
}
// Sort the keys in TZIP order
List <string> keys = inputIndexMap.Keys.ToList();
keys.Sort(ZipFile.TrrntZipStringCompare);
// Now add all of the files in order
foreach (string key in keys)
{
// Get the index mapped to the key
int index = inputIndexMap[key];
// Get temporary date-time if possible
DateTime?usableDate = null;
if (UseDates && !string.IsNullOrWhiteSpace(roms[index].Date) && DateTime.TryParse(roms[index].Date.Replace('\\', '/'), out DateTime dt))
{
usableDate = dt;
}
// Copy the input stream to the output
tarFile.AddEntry(roms[index].Name, FileExtensions.TryOpenRead(inputFiles[index]), size: roms[index].Size ?? 0, modified: usableDate);
}
}
// Otherwise, sort the input files and write out in the correct order
else
{
// Open the old archive for reading
oldTarFile = TarArchive.Open(archiveFileName);
// Get a list of all current entries
List <string> entries = oldTarFile.Entries.Select(i => i.Key).ToList();
// Map all inputs to index
Dictionary <string, int> inputIndexMap = new Dictionary <string, int>();
for (int i = 0; i < inputFiles.Count; i++)
{
// If the old one contains the new file, then just skip out
if (entries.Contains(roms[i].Name.Replace('\\', '/')))
{
continue;
}
inputIndexMap.Add(roms[i].Name.Replace('\\', '/'), -(i + 1));
}
// Then add all of the old entries to it too
for (int i = 0; i < entries.Count; i++)
{
inputIndexMap.Add(entries[i], i);
}
// If the number of entries is the same as the old archive, skip out
if (inputIndexMap.Keys.Count <= entries.Count)
{
success = true;
return(success);
}
// Get the order for the entries with the new file
List <string> keys = inputIndexMap.Keys.ToList();
keys.Sort(ZipFile.TrrntZipStringCompare);
// Copy over all files to the new archive
foreach (string key in keys)
{
// Get the index mapped to the key
int index = inputIndexMap[key];
// If we have the input file, add it now
if (index < 0)
{
// Get temporary date-time if possible
DateTime?usableDate = null;
if (UseDates && !string.IsNullOrWhiteSpace(roms[-index - 1].Date) && DateTime.TryParse(roms[-index - 1].Date.Replace('\\', '/'), out DateTime dt))
{
usableDate = dt;
}
// Copy the input file to the output
tarFile.AddEntry(roms[-index - 1].Name, FileExtensions.TryOpenRead(inputFiles[-index - 1]), size: roms[-index - 1].Size ?? 0, modified: usableDate);
}
// Otherwise, copy the file from the old archive
else
{
// Get the stream from the original archive
TarArchiveEntry tae = oldTarFile.Entries.ElementAt(index);
MemoryStream entry = new MemoryStream();
tae.OpenEntryStream().CopyTo(entry);
// Copy the input stream to the output
tarFile.AddEntry(key, entry, size: tae.Size, modified: tae.LastModifiedTime);
}
}
}
// Close the output tar file
tarFile.SaveTo(tempFile, new WriterOptions(CompressionType.None));
success = true;
}
catch (Exception ex)
{
logger.Error(ex);
success = false;
}
finally
{
tarFile.Dispose();
oldTarFile.Dispose();
}
// If the old file exists, delete it and replace
if (File.Exists(archiveFileName))
{
FileExtensions.TryDelete(archiveFileName);
}
File.Move(tempFile, archiveFileName);
return(true);
}
/// <summary>
/// Write an input stream to a tape archive
/// </summary>
/// <param name="inputStream">Input stream to be moved</param>
/// <param name="outDir">Output directory to build to</param>
/// <param name="rom">DatItem representing the new information</param>
/// <param name="date">True if the date from the DAT should be used if available, false otherwise (default)</param>
/// <param name="romba">True if files should be output in Romba depot folders, false otherwise</param>
/// <returns>True if the archive was written properly, false otherwise</returns>
public override bool Write(Stream inputStream, string outDir, Rom rom, bool date = false, bool romba = false)
{
bool success = false;
string tempFile = Path.Combine(outDir, "tmp" + Guid.NewGuid().ToString());
// If either input is null or empty, return
if (inputStream == null || rom == null || rom.Name == null)
{
return(success);
}
// If the stream is not readable, return
if (!inputStream.CanRead)
{
return(success);
}
// Get the output archive name from the first rebuild rom
string archiveFileName = Path.Combine(outDir, Utilities.RemovePathUnsafeCharacters(rom.MachineName) + (rom.MachineName.EndsWith(".tar") ? "" : ".tar"));
// Set internal variables
TarArchive oldTarFile = TarArchive.Create();
TarArchive tarFile = TarArchive.Create();
try
{
// If the full output path doesn't exist, create it
if (!Directory.Exists(Path.GetDirectoryName(archiveFileName)))
{
Directory.CreateDirectory(Path.GetDirectoryName(archiveFileName));
}
// If the archive doesn't exist, create it and put the single file
if (!File.Exists(archiveFileName))
{
// Get temporary date-time if possible
DateTime?usableDate = null;
if (date && !String.IsNullOrWhiteSpace(rom.Date) && DateTime.TryParse(rom.Date.Replace('\\', '/'), out DateTime dt))
{
usableDate = dt;
}
// Copy the input stream to the output
inputStream.Seek(0, SeekOrigin.Begin);
tarFile.AddEntry(rom.Name, inputStream, size: rom.Size, modified: usableDate);
}
// Otherwise, sort the input files and write out in the correct order
else
{
// Open the old archive for reading
oldTarFile = TarArchive.Open(archiveFileName);
// Get a list of all current entries
List <string> entries = oldTarFile.Entries.Select(i => i.Key).ToList();
// Map all inputs to index
Dictionary <string, int> inputIndexMap = new Dictionary <string, int>();
// If the old one doesn't contain the new file, then add it
if (!entries.Contains(rom.Name.Replace('\\', '/')))
{
inputIndexMap.Add(rom.Name.Replace('\\', '/'), -1);
}
// Then add all of the old entries to it too
for (int i = 0; i < entries.Count; i++)
{
inputIndexMap.Add(entries[i], i);
}
// If the number of entries is the same as the old archive, skip out
if (inputIndexMap.Keys.Count <= entries.Count)
{
success = true;
return(success);
}
// Get the order for the entries with the new file
List <string> keys = inputIndexMap.Keys.ToList();
keys.Sort(ZipFile.TorrentZipStringCompare);
// Copy over all files to the new archive
foreach (string key in keys)
{
// Get the index mapped to the key
int index = inputIndexMap[key];
// Get temporary date-time if possible
DateTime?usableDate = null;
if (date && !String.IsNullOrWhiteSpace(rom.Date) && DateTime.TryParse(rom.Date.Replace('\\', '/'), out DateTime dt))
{
usableDate = dt;
}
// If we have the input file, add it now
if (index < 0)
{
// Copy the input file to the output
inputStream.Seek(0, SeekOrigin.Begin);
tarFile.AddEntry(rom.Name, inputStream, size: rom.Size, modified: usableDate);
}
// Otherwise, copy the file from the old archive
else
{
// Get the stream from the original archive
TarArchiveEntry tae = oldTarFile.Entries.ElementAt(index);
MemoryStream entry = new MemoryStream();
tae.OpenEntryStream().CopyTo(entry);
// Copy the input stream to the output
tarFile.AddEntry(key, entry, size: tae.Size, modified: tae.LastModifiedTime);
}
}
}
// Close the output tar file
tarFile.SaveTo(tempFile, new WriterOptions(CompressionType.None));
success = true;
}
catch (Exception ex)
{
Console.WriteLine(ex);
success = false;
}
finally
{
inputStream.Dispose();
tarFile.Dispose();
oldTarFile.Dispose();
}
// If the old file exists, delete it and replace
if (File.Exists(archiveFileName))
{
Utilities.TryDeleteFile(archiveFileName);
}
File.Move(tempFile, archiveFileName);
return(success);
}