From bf3e8a65e16116d2612156156f263e0479fce2bd Mon Sep 17 00:00:00 2001
From: Andreas Bielawski <brawl98@outlook.com>
Date: Fri, 13 Mar 2020 13:57:10 +0100
Subject: [PATCH] Repair "www" removal

---
 Commands.cs |  4 ++--
 Utils.cs    | 21 +++++++--------------
 2 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/Commands.cs b/Commands.cs
index 06c5ee8..4dfe65b 100644
--- a/Commands.cs
+++ b/Commands.cs
@@ -208,11 +208,11 @@ namespace RSSBot {
 
                     // Remove "www."
                     var index = linkName.IndexOf("www.", StringComparison.Ordinal);
-                    if (index > 0) linkName = linkName.Remove(index, 4);
+                    if (index > -1) linkName = linkName.Remove(index, 4);
 
                     var content = "";
                     if (!string.IsNullOrWhiteSpace(entry.Content))
-                        content = Utils.ProcessContent(entry.Content); // magic processing missing
+                        content = Utils.ProcessContent(entry.Content);
                     else if (!string.IsNullOrWhiteSpace(entry.Description))
                         content = Utils.ProcessContent(entry.Description);
 
diff --git a/Utils.cs b/Utils.cs
index fa5ad7e..1bd4159 100644
--- a/Utils.cs
+++ b/Utils.cs
@@ -1,14 +1,16 @@
-using System;
-using System.Linq;
+using System.Linq;
 using System.Text.RegularExpressions;
 using System.Threading.Tasks;
+using System.Web;
 using Telegram.Bot.Types;
 using Telegram.Bot.Types.Enums;
 
 namespace RSSBot {
     public static class Utils {
+        private static readonly Regex RegexHtml = new Regex("<.*?>");
+
         public static string StripHtml(string input) {
-            return Regex.Replace(input, "<.*?>", String.Empty).Trim();
+            return RegexHtml.Replace(input, string.Empty).Trim();
         }
 
         private static string CleanRss(string input) {
@@ -58,22 +60,13 @@ namespace RSSBot {
         }
 
         public static string ProcessContent(string input) {
-            string content = StripHtml(input);
+            var content = StripHtml(HttpUtility.HtmlDecode(input));
             content = CleanRss(content);
-            if (content.Length > 250) {
-                content = content.Substring(0, 250) + "...";
-            }
+            if (content.Length > 250) content = content.Substring(0, 250) + "...";
 
             return content;
         }
 
-        public static bool IsCommand(string messageText, string command) {
-            return Regex.Match(messageText,
-                $"^/{command}(?:@{Bot.BotInfo.Username})?$",
-                RegexOptions.IgnoreCase
-            ).Success;
-        }
-
         public static GroupCollection ReturnMatches(string text, string pattern) {
             return Regex.Match(text,
                 pattern,