From 559190158a9e7ac37d102b81ab9947972149dd43 Mon Sep 17 00:00:00 2001
From: That-One-Nerd <crazymailbro2@yahoo.com>
Date: Thu, 30 Mar 2023 19:31:14 -0400
Subject: [PATCH] Added rar extraction (can't do compression).

---
 SrcMod/Shell/GlobalUsings.cs              |  1 +
 SrcMod/Shell/Modules/CompressionModule.cs |  2 ++
 SrcMod/Shell/Modules/ExtractionModule.cs  | 31 +++++++++++++++++++++++
 3 files changed, 34 insertions(+)

diff --git a/SrcMod/Shell/GlobalUsings.cs b/SrcMod/Shell/GlobalUsings.cs
index 56f20a3..1d90052 100644
--- a/SrcMod/Shell/GlobalUsings.cs
+++ b/SrcMod/Shell/GlobalUsings.cs
@@ -1,4 +1,5 @@
 global using Nerd_STF.Mathematics;
+global using SharpCompress.Archives.Rar;
 global using SharpCompress.Archives.SevenZip;
 global using SharpCompress.Readers;
 global using SrcMod.Shell;
diff --git a/SrcMod/Shell/Modules/CompressionModule.cs b/SrcMod/Shell/Modules/CompressionModule.cs
index 7415870..43d5804 100644
--- a/SrcMod/Shell/Modules/CompressionModule.cs
+++ b/SrcMod/Shell/Modules/CompressionModule.cs
@@ -82,6 +82,8 @@ public static class CompressionModule
         else throw new("No file or directory located at \"source\"");
     }
 
+    // Rar can't be compressed.
+
     [Command("targz")]
     [Command("tar.gz")]
     [Command("tar-gz")]
diff --git a/SrcMod/Shell/Modules/ExtractionModule.cs b/SrcMod/Shell/Modules/ExtractionModule.cs
index 12e37f5..75e0d6c 100644
--- a/SrcMod/Shell/Modules/ExtractionModule.cs
+++ b/SrcMod/Shell/Modules/ExtractionModule.cs
@@ -40,6 +40,37 @@ public static class ExtractionModule
         Write(new string(' ', message.Length), newLine: false);
     }
 
+    [Command("rar")]
+    public static void ExtractRar(string source, string? destination = null)
+    {
+        if (!File.Exists(source)) throw new($"No file exists at \"{source}\".");
+
+        if (destination is null)
+        {
+            string full = Path.GetFullPath(source);
+            string folder = Program.Shell!.WorkingDirectory;
+            string name = Path.GetFileNameWithoutExtension(full);
+
+            destination = $"{folder}\\{name}";
+        }
+
+        if (!Directory.Exists(destination)) Directory.CreateDirectory(destination);
+
+        FileStream reader = new(source, FileMode.Open);
+        RarArchive rar = RarArchive.Open(reader);
+
+        IReader data = rar.ExtractAllEntries();
+        data.WriteAllToDirectory(destination, new()
+        {
+            ExtractFullPath = true,
+            Overwrite = true,
+            PreserveFileTime = true
+        });
+
+        rar.Dispose();
+        reader.Dispose();
+    }
+
     [Command("tar")]
     [Command("tarball")]
     public static void ExtractTar(string source, string? destination = null)