- tweak: remove dependency from Nebula.Shared

Nebula.UpdateResolver/FileApi.cs

@@ -0,0 +1,88 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Linq;
+
+namespace Nebula.UpdateResolver;
+
+public sealed class FileApi
+{
+    public string RootPath;
+
+    public FileApi(string rootPath)
+    {
+        RootPath = rootPath;
+    }
+
+    public bool TryOpen(string path,[NotNullWhen(true)] out Stream? stream)
+    {
+        var fullPath = Path.Join(RootPath, path);
+        if (File.Exists(fullPath))
+            try
+            {
+                stream = new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
+                return true;
+            }
+            catch
+            {
+                stream = null;
+                return false;
+            }
+
+        stream = null;
+        return false;
+    }
+
+    public bool Save(string path, Stream input)
+    {
+        var currPath = Path.Join(RootPath, path);
+
+        try
+        {
+            var dirInfo = new DirectoryInfo(Path.GetDirectoryName(currPath) ?? throw new InvalidOperationException());
+            if (!dirInfo.Exists) dirInfo.Create();
+
+            using var stream = new FileStream(currPath, FileMode.Create, FileAccess.Write, FileShare.None);
+            input.CopyTo(stream);
+            return true;
+        }
+        catch
+        {
+            return false;
+        }
+    }
+
+    public bool Remove(string path)
+    {
+        var fullPath = Path.Join(RootPath, path);
+        try
+        {
+            if (File.Exists(fullPath))
+            {
+                File.Delete(fullPath);
+                return true;
+            }
+        }
+        catch
+        {
+            // Log exception if necessary
+        }
+
+        return false;
+    }
+
+    public bool Has(string path)
+    {
+        var fullPath = Path.Join(RootPath, path);
+        return File.Exists(fullPath);
+    }
+
+    private IEnumerable<string> GetAllFiles(){
+
+        if(!Directory.Exists(RootPath)) return [];
+        return Directory.EnumerateFiles(RootPath, "*.*", SearchOption.AllDirectories).Select(p=>p.Replace(RootPath,"").Substring(1));
+    }
+
+    public IEnumerable<string> AllFiles => GetAllFiles();
+}