Document and clean up ZipClient.cs

Emby.Server.Implementations/Archiving/ZipClient.cs

@@ -22,10 +22,8 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAll(string sourceFile, string targetPath, bool overwriteExistingFiles)
         {
-            using (var fileStream = File.OpenRead(sourceFile))
-            {
-                ExtractAll(fileStream, targetPath, overwriteExistingFiles);
-            }
+            using var fileStream = File.OpenRead(sourceFile);
+            ExtractAll(fileStream, targetPath, overwriteExistingFiles);
         }
 
         /// <summary>
@@ -36,67 +34,61 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAll(Stream source, string targetPath, bool overwriteExistingFiles)
         {
-            using (var reader = ReaderFactory.Open(source))
+            using var reader = ReaderFactory.Open(source);
+            var options = new ExtractionOptions
             {
-                var options = new ExtractionOptions();
-                options.ExtractFullPath = true;
-
-                if (overwriteExistingFiles)
-                {
-                    options.Overwrite = true;
-                }
+                ExtractFullPath = true
+            };
 
-                reader.WriteAllToDirectory(targetPath, options);
+            if (overwriteExistingFiles)
+            {
+                options.Overwrite = true;
             }
+
+            reader.WriteAllToDirectory(targetPath, options);
         }
 
+        /// <inheritdoc />
         public void ExtractAllFromZip(Stream source, string targetPath, bool overwriteExistingFiles)
         {
-            using (var reader = ZipReader.Open(source))
+            using var reader = ZipReader.Open(source);
+            var options = new ExtractionOptions
             {
-                var options = new ExtractionOptions();
-                options.ExtractFullPath = true;
+                ExtractFullPath = true,
+                Overwrite = overwriteExistingFiles
+            };
 
-                if (overwriteExistingFiles)
-                {
-                    options.Overwrite = true;
-                }
-
-                reader.WriteAllToDirectory(targetPath, options);
-            }
+            reader.WriteAllToDirectory(targetPath, options);
         }
 
+        /// <inheritdoc />
         public void ExtractAllFromGz(Stream source, string targetPath, bool overwriteExistingFiles)
         {
-            using (var reader = GZipReader.Open(source))
+            using var reader = GZipReader.Open(source);
+            var options = new ExtractionOptions
             {
-                var options = new ExtractionOptions();
-                options.ExtractFullPath = true;
+                ExtractFullPath = true,
+                Overwrite = overwriteExistingFiles
+            };
 
-                if (overwriteExistingFiles)
-                {
-                    options.Overwrite = true;
-                }
-
-                reader.WriteAllToDirectory(targetPath, options);
-            }
+            reader.WriteAllToDirectory(targetPath, options);
         }
 
+        /// <inheritdoc />
         public void ExtractFirstFileFromGz(Stream source, string targetPath, string defaultFileName)
         {
-            using (var reader = GZipReader.Open(source))
+            using var reader = GZipReader.Open(source);
+            if (reader.MoveToNextEntry())
             {
-                if (reader.MoveToNextEntry())
+                var entry = reader.Entry;
+
+                var filename = entry.Key;
+                if (string.IsNullOrWhiteSpace(filename))
                 {
-                    var entry = reader.Entry;
-
-                    var filename = entry.Key;
-                    if (string.IsNullOrWhiteSpace(filename))
-                    {
-                        filename = defaultFileName;
-                    }
-                    reader.WriteEntryToFile(Path.Combine(targetPath, filename));
+                    filename = defaultFileName;
                 }
+
+                reader.WriteEntryToFile(Path.Combine(targetPath, filename));
             }
         }
 
@@ -108,10 +100,8 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAllFrom7z(string sourceFile, string targetPath, bool overwriteExistingFiles)
         {
-            using (var fileStream = File.OpenRead(sourceFile))
-            {
-                ExtractAllFrom7z(fileStream, targetPath, overwriteExistingFiles);
-            }
+            using var fileStream = File.OpenRead(sourceFile);
+            ExtractAllFrom7z(fileStream, targetPath, overwriteExistingFiles);
         }
 
         /// <summary>
@@ -122,21 +112,15 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAllFrom7z(Stream source, string targetPath, bool overwriteExistingFiles)
         {
-            using (var archive = SevenZipArchive.Open(source))
+            using var archive = SevenZipArchive.Open(source);
+            using var reader = archive.ExtractAllEntries();
+            var options = new ExtractionOptions
             {
-                using (var reader = archive.ExtractAllEntries())
-                {
-                    var options = new ExtractionOptions();
-                    options.ExtractFullPath = true;
-
-                    if (overwriteExistingFiles)
-                    {
-                        options.Overwrite = true;
-                    }
+                ExtractFullPath = true,
+                Overwrite = overwriteExistingFiles
+            };
 
-                    reader.WriteAllToDirectory(targetPath, options);
-                }
-            }
+            reader.WriteAllToDirectory(targetPath, options);
         }
 
         /// <summary>
@@ -147,10 +131,8 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAllFromTar(string sourceFile, string targetPath, bool overwriteExistingFiles)
         {
-            using (var fileStream = File.OpenRead(sourceFile))
-            {
-                ExtractAllFromTar(fileStream, targetPath, overwriteExistingFiles);
-            }
+            using var fileStream = File.OpenRead(sourceFile);
+            ExtractAllFromTar(fileStream, targetPath, overwriteExistingFiles);
         }
 
         /// <summary>
@@ -161,21 +143,15 @@ namespace Emby.Server.Implementations.Archiving
         /// <param name="overwriteExistingFiles">if set to <c>true</c> [overwrite existing files].</param>
         public void ExtractAllFromTar(Stream source, string targetPath, bool overwriteExistingFiles)
         {
-            using (var archive = TarArchive.Open(source))
+            using var archive = TarArchive.Open(source);
+            using var reader = archive.ExtractAllEntries();
+            var options = new ExtractionOptions
             {
-                using (var reader = archive.ExtractAllEntries())
-                {
-                    var options = new ExtractionOptions();
-                    options.ExtractFullPath = true;
+                ExtractFullPath = true,
+                Overwrite = overwriteExistingFiles
+            };
 
-                    if (overwriteExistingFiles)
-                    {
-                        options.Overwrite = true;
-                    }
-
-                    reader.WriteAllToDirectory(targetPath, options);
-                }
-            }
+            reader.WriteAllToDirectory(targetPath, options);
         }
     }
 }