Created
February 3, 2021 18:58
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` using (var outStream = new MemoryStream()) | |
{ | |
var zipOutputStream = new ZipOutputStream(outStream); | |
await outStream.FlushAsync(cancellationToken); | |
outStream.Seek(0, SeekOrigin.Begin); | |
zipOutputStream.SetLevel(CompressionMax); | |
foreach (var file in files) | |
{ | |
using (var inStream = new MemoryStream()) | |
{ | |
await _fileStorageApi.ReadToStreamAsync(inStream, file.Location.ContainerName, | |
file.Location.FileName, cancellationToken); | |
var inBuffer = new byte[inStream.Length]; | |
inStream.Seek(0, SeekOrigin.Begin); | |
var length = await inStream.ReadAsync(inBuffer, 0, inBuffer.Length, cancellationToken); | |
var entry = new ZipEntry(file.OriginalName) | |
{ | |
DateTime = DateTime.Now, Size = inBuffer.Length | |
}; | |
zipOutputStream.PutNextEntry(entry); | |
await zipOutputStream.WriteAsync(inBuffer, 0, length, cancellationToken); | |
} | |
} | |
outStream.Seek(0, SeekOrigin.Begin); | |
var outBuffer = new byte[outStream.Length]; | |
await outStream.ReadAsync(outBuffer, 0, outBuffer.Length, cancellationToken); | |
zipOutputStream.Finish(); | |
zipOutputStream.Close(); | |
return outBuffer;` using (var outStream = new MemoryStream()) | |
{ | |
var zipOutputStream = new ZipOutputStream(outStream); | |
await outStream.FlushAsync(cancellationToken); | |
outStream.Seek(0, SeekOrigin.Begin); | |
zipOutputStream.SetLevel(CompressionMax); | |
foreach (var file in files) | |
{ | |
using (var inStream = new MemoryStream()) | |
{ | |
await _fileStorageApi.ReadToStreamAsync(inStream, file.Location.ContainerName, | |
file.Location.FileName, cancellationToken); | |
var inBuffer = new byte[inStream.Length]; | |
inStream.Seek(0, SeekOrigin.Begin); | |
var length = await inStream.ReadAsync(inBuffer, 0, inBuffer.Length, cancellationToken); | |
var entry = new ZipEntry(file.OriginalName) | |
{ | |
DateTime = DateTime.Now, Size = inBuffer.Length | |
}; | |
zipOutputStream.PutNextEntry(entry); | |
await zipOutputStream.WriteAsync(inBuffer, 0, length, cancellationToken); | |
} | |
} | |
outStream.Seek(0, SeekOrigin.Begin); | |
var outBuffer = new byte[outStream.Length]; | |
await outStream.ReadAsync(outBuffer, 0, outBuffer.Length, cancellationToken); | |
zipOutputStream.Finish(); | |
zipOutputStream.Close(); | |
return outBuffer; |
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