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Merge pull request #63 from VahidFarahmandian/compression
compression and decompression added
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103 changes: 103 additions & 0 deletions
103
01-Core/Jinget.Core/Utilities/Compression/ZipUtility.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| using Ionic.Zip; | ||
| using Ionic.Zlib; | ||
| using System.Collections.Generic; | ||
| using System.IO; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
|
|
||
| namespace Jinget.Core.Utilities.Compression | ||
| { | ||
| public class ZipUtility | ||
| { | ||
| /// <param name="files">each file will be compressed idependently</param> | ||
| /// <param name="maxDOP">max degree of parallelism</param> | ||
| /// <param name="eachFileMaxSize">each file will be compressed and then chunked based on this parameter. eachFileMaxSize is in MB</param> | ||
| /// <param name="path">location to store compressed files</param> | ||
| /// <param name="password">compressed files can also become password protected</param> | ||
| /// <param name="compressionLevel">It is up to you to choose between best speed to high compression</param> | ||
| /// <param name="encryption">compressed files can also become encrypted too!</param> | ||
| public async Task CompressAsync( | ||
| FileInfo[] files, | ||
| string path, | ||
| int maxDOP = 1, | ||
| int eachFileMaxSize = 5, | ||
| string password = "", | ||
| CompressionLevel compressionLevel = CompressionLevel.BestSpeed, | ||
| EncryptionAlgorithm encryption = EncryptionAlgorithm.None | ||
| ) | ||
| { | ||
| if (eachFileMaxSize < 1) | ||
| eachFileMaxSize = 5; | ||
|
|
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| var allTasks = new List<Task>(); | ||
|
|
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| var threadCount = files.Length < maxDOP ? files.Length : maxDOP; | ||
| var throttler = new SemaphoreSlim(threadCount); | ||
|
|
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| foreach (var file in files) | ||
| { | ||
| await throttler.WaitAsync(); | ||
| allTasks.Add(Task.Factory.StartNew(() => | ||
| { | ||
| var fileName = Path.GetFileNameWithoutExtension(file.Name); | ||
| using ZipFile zip = new ZipFile(); | ||
| if (!string.IsNullOrWhiteSpace(password)) | ||
| zip.Password = password; | ||
| zip.BufferSize = eachFileMaxSize * 1024 * 1024; | ||
| zip.MaxOutputSegmentSize64 = eachFileMaxSize * 1024 * 1024; | ||
| zip.UseZip64WhenSaving = Zip64Option.AsNecessary; | ||
| zip.Encryption = encryption; | ||
| zip.CompressionLevel = compressionLevel; | ||
| zip.AddFile(file.FullName); | ||
| zip.Save(Path.Combine(path, $"{file.Name}.zip")); | ||
| throttler.Release(); | ||
| })); | ||
| } | ||
|
|
||
| Task.WaitAll(allTasks.ToArray()); | ||
| } | ||
|
|
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| /// <param name="files">list of files to extract</param> | ||
| /// <param name="maxDOP">max degree of parallelism</param> | ||
| /// <param name="path">location to extract the files</param> | ||
| /// <param name="password">password used to extract the compressed files</param> | ||
| public async Task DecompressAsync( | ||
| FileInfo[] files, | ||
| string path, | ||
| int maxDOP = 1, | ||
| string password = "") | ||
| { | ||
| var allTasks = new List<Task>(); | ||
| var threadCount = files.Length < maxDOP ? files.Length : maxDOP; | ||
| var throttler = new SemaphoreSlim(threadCount); | ||
|
|
||
| foreach (var file in files) | ||
| { | ||
| await throttler.WaitAsync(); | ||
|
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| allTasks.Add(Task.Factory.StartNew(() => | ||
| { | ||
| using ZipFile zip1 = ZipFile.Read(file.FullName); | ||
| zip1.FlattenFoldersOnExtract = true; | ||
| foreach (ZipEntry e in zip1) | ||
| { | ||
| if (string.IsNullOrWhiteSpace(password)) | ||
| { | ||
| e.Extract(path, ExtractExistingFileAction.OverwriteSilently); | ||
| } | ||
| else | ||
| e.ExtractWithPassword(path, ExtractExistingFileAction.OverwriteSilently, password); | ||
| } | ||
| throttler.Release(); | ||
| })); | ||
| } | ||
| Task.WaitAll(allTasks.ToArray()); | ||
| } | ||
| } | ||
| } |
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1 change: 0 additions & 1 deletion
1
Tests/Jinget.Core.Tests/ExtensionMethods/Reflection/PropertiesExtensionsTests.cs
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95 changes: 95 additions & 0 deletions
95
Tests/Jinget.Core.Tests/Utilities/Compression/ZipUtilityTests.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| using Microsoft.VisualStudio.TestTools.UnitTesting; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Threading.Tasks; | ||
| using System.IO; | ||
| using System; | ||
|
|
||
| namespace Jinget.Core.Utilities.Compression.Tests | ||
| { | ||
| [TestClass()] | ||
| public class ZipUtilityTests | ||
| { | ||
| ZipUtility zip; | ||
| [TestInitialize] | ||
| public void Initialize() => zip = new ZipUtility(); | ||
|
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| [TestMethod()] | ||
| public async Task should_compress_and_chunkAsync() | ||
| { | ||
| FileInfo file = new("sample.txt"); | ||
| int maxDOP = 5; | ||
| int eachFileMaxSize = 4; | ||
|
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| List<FileInfo> files = new() | ||
| { | ||
| file | ||
| }; | ||
| await zip.CompressAsync(files.ToArray(), files[0].DirectoryName, maxDOP, eachFileMaxSize); | ||
|
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| Assert.IsTrue(file.Directory.GetFiles("sample.txt.z??").Any()); | ||
| } | ||
|
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| [TestMethod()] | ||
| public async Task should_compress_using_password_and_chunkAsync() | ||
| { | ||
| FileInfo file = new("sample.txt"); | ||
| string password = "123"; | ||
| List<FileInfo> files = new() | ||
| { | ||
| file | ||
| }; | ||
| await zip.CompressAsync(files.ToArray(), files[0].DirectoryName, password: password); | ||
|
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| Assert.IsTrue(file.Directory.GetFiles("sample.txt.z??").Any()); | ||
| } | ||
|
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| [TestMethod()] | ||
| public async Task should_decompressed_file() | ||
| { | ||
| string fileName = Guid.NewGuid() + ".txt"; | ||
| using (var tw = new StreamWriter(fileName, true)) | ||
| { | ||
| tw.WriteLine("sample text"); | ||
| } | ||
| string password = "123"; | ||
| var tobeCompressed = new FileInfo[] { new FileInfo(fileName) }; | ||
| await zip.CompressAsync(tobeCompressed, tobeCompressed[0].DirectoryName, password: password); | ||
| File.Delete(fileName); | ||
|
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| FileInfo file = new($"{fileName}.zip"); | ||
| int maxDOP = 5; | ||
|
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| List<FileInfo> files = new() | ||
| { | ||
| file | ||
| }; | ||
| await zip.DecompressAsync(files.ToArray(), files[0].DirectoryName, maxDOP); | ||
|
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| Assert.IsTrue(file.Directory.GetFiles(fileName).Any()); | ||
| } | ||
|
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| [TestMethod()] | ||
| public async Task should_decompressed_using_password() | ||
| { | ||
| string fileName = Guid.NewGuid() + ".txt"; | ||
| using (var tw = new StreamWriter(fileName, true)) | ||
| { | ||
| tw.WriteLine("sample text"); | ||
| } | ||
| string password = "123"; | ||
| var tobeCompressed = new FileInfo[] { new FileInfo(fileName) }; | ||
| await zip.CompressAsync(tobeCompressed, tobeCompressed[0].DirectoryName, password: password); | ||
| File.Delete(fileName); | ||
|
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| FileInfo file = new($"{fileName}.zip"); | ||
| List<FileInfo> files = new() | ||
| { | ||
| file | ||
| }; | ||
| await zip.DecompressAsync(files.ToArray(), files[0].DirectoryName, password: password); | ||
|
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| Assert.IsTrue(file.Directory.GetFiles(fileName).Any()); | ||
| } | ||
| } | ||
| } |
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2
...Handlers.ExternalServiceHandlers.Tests/DefaultServiceHandler/JingetServiceHandlerTests.cs
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