From 36bde2234f457f4bb93caf6d1f2e47ddf895be39 Mon Sep 17 00:00:00 2001
From: Roy Ben Shabat <Roy.mail.net@gmail.com>
Date: Fri, 6 Dec 2019 21:10:57 +0200
Subject: Added new PID and heaters to hw, diagnostics and tech. Implemented
 proper sorting on hw version and tech board. (DB CHANGE!)

Related Work Items: #1595
---
 .../ExtensionMethods/IEnumerableExtensions.cs           | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'Software/Visual_Studio/Tango.Core/ExtensionMethods')

diff --git a/Software/Visual_Studio/Tango.Core/ExtensionMethods/IEnumerableExtensions.cs b/Software/Visual_Studio/Tango.Core/ExtensionMethods/IEnumerableExtensions.cs
index f4192a88b..68594d8ac 100644
--- a/Software/Visual_Studio/Tango.Core/ExtensionMethods/IEnumerableExtensions.cs
+++ b/Software/Visual_Studio/Tango.Core/ExtensionMethods/IEnumerableExtensions.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Tango.Core;
 
@@ -104,5 +105,21 @@ public static class IEnumerableExtensions
     {
         return source.GroupBy(property).Select(g => g.First());
     }
+
+    /// <summary>
+    /// Orders the collection by natural alphanumeric string.
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    /// <param name="source">The source.</param>
+    /// <param name="selector">The selector.</param>
+    /// <returns></returns>
+    public static IOrderedEnumerable<T> OrderByAlphaNumeric<T>(this IEnumerable<T> source, Func<T, string> selector)
+    {
+        int max = source
+            .SelectMany(i => Regex.Matches(selector(i), @"\d+").Cast<Match>().Select(m => (int?)m.Value.Length))
+            .Max() ?? 0;
+
+        return source.OrderBy(i => Regex.Replace(selector(i), @"\d+", m => m.Value.PadLeft(max, '0')));
+    }
 }
 
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