Testing database compression.

Models/Helper/CompressionHelper.cs

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+using System.IO.Compression;
+
+namespace Models.Helper;
+
+public static class CompressionHelper
+{
+    public static void CompressFile(string sourceFile, string targetFile)
+    {
+        using FileStream originalFileStream = new(sourceFile, FileMode.Open);
+        using FileStream compressedFileStream = File.Create($"{targetFile}.gz");
+        using GZipStream compressor = new(compressedFileStream, CompressionLevel.Fastest);
+        originalFileStream.CopyTo(compressor);
+    }
+    
+    public static void DecompressFile(string sourceFile, string targetFile)
+    {
+        using FileStream compressedFileStream = new(sourceFile, FileMode.Open);
+        using FileStream decompressedFileStream = File.Create($"{targetFile}.gz");
+        using GZipStream decompressor = new(compressedFileStream, CompressionMode.Decompress);
+        decompressor.CopyTo(decompressedFileStream);
+    }
+}

Models/Helper/GetDatabasesHelper.cs

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+namespace Models.Helper;
+
+public static class GetDatabasesHelper
+{
+    public static int GetTotalCompressedDatabases(string path)
+    {
+        return Directory.GetFiles(path, "*.gz").Length;
+    }
+}