Import from internal git

Core/Helpers/PathHelper.cs

@@ -0,0 +1,85 @@
+using System.Text;
+
+namespace Core.Helpers;
+
+/// <summary>
+/// Provides some path-related actions
+/// </summary>
+public static class PathHelper
+{
+    /// <summary>
+    /// Verifies the existence of a path
+    /// </summary>
+    /// <param name="path">Path to check</param>
+    /// <exception cref="FileNotFoundException">If the given path does not exist</exception>
+    public static void CheckPathValidity(string path)
+    {
+        if (!File.Exists(path)) throw new FileNotFoundException($"Could not found file at {path}");
+    }
+
+    /// <summary>
+    /// Create a file and all its parents directories if the file does not exists
+    /// </summary>
+    /// <param name="path"></param>
+    public static void CreateFileIfNotExists(string path)
+    {
+        if (!File.Exists(path)) Directory.CreateDirectory(Path.GetDirectoryName(path)!);
+    }
+    
+    /// <summary>
+    /// Extracts raw text from a file references by given path  
+    /// </summary>
+    /// <param name="path">Location of file</param>
+    /// <returns>Raw text</returns>
+    /// <exception cref="FileNotFoundException">If the given path does not exist</exception>
+    public static string TextFrom(string path)
+    {
+        CheckPathValidity(path);
+        return File.ReadAllText(path);
+    }
+
+    /// <summary>
+    /// Get the folder containing the last item of a given path
+    /// 
+    /// </summary>
+    /// <param name="path">The given path</param>
+    /// <returns>The folder containing the last element of the given path</returns>
+    public static string GetFolder(string path)
+    {
+        path = path.Replace("\\", "/");
+        var s = path.Split("/").ToList();
+        s.RemoveAt(s.Count-1);
+        var r = string.Join("/", s) + "/";
+        return r;
+    }
+
+    public static string GetName(string path)
+    {
+        return path.Split("/")[0];
+    }
+    
+    /// <summary>
+    /// Concatenates a string representing the path of a folder and a string representing a file name
+    /// The strings come from default arguments. 
+    /// </summary>
+    /// <returns>Concatenated path</returns>
+    public static string FullPath(params string[] pathItems)
+    {
+        StringBuilder builder = new StringBuilder();
+        foreach (var pi in pathItems)
+        {
+            builder.Append(pi);
+        }
+        return AbsolutePath(builder.ToString());
+    }
+    
+    /// <summary>
+    /// Returns the absolute path based on a relative path
+    /// </summary>
+    /// <param name="relative">relative path</param>
+    /// <returns>Absolute path as string</returns>
+    public static string AbsolutePath(string relative)
+    {
+        return Path.GetFullPath(relative);
+    }
+}