From ebc74ab7e7c6b2c1ee2198a3f5f701a95cafa13c Mon Sep 17 00:00:00 2001
From: Michael <Michael@some.where>
Date: Sun, 16 Apr 2017 21:41:35 -0400
Subject: [PATCH] Allow user mentions.

---
 Project-Unite/ACL.cs | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/Project-Unite/ACL.cs b/Project-Unite/ACL.cs
index 39c58de..9e75043 100644
--- a/Project-Unite/ACL.cs
+++ b/Project-Unite/ACL.cs
@@ -91,8 +91,28 @@ namespace Project_Unite
             return hpr.ActionLink(topic.Subject, "ViewTopic", "Forum", new { id = topic.Discriminator }, null);
         }
 
+        public static string ResolveUserLinksInMarkdown(string mkdn)
+        {
+            string[] words = mkdn.Split(' ');
+            foreach(var word in words)
+            {
+                if (word.StartsWith("@"))
+                {
+                    string uname = word.Remove(0, 1);
+                    var db = new ApplicationDbContext();
+                    var user = db.Users.FirstOrDefault(x => x.DisplayName == uname);
+                    if(user != null)
+                    {
+                        mkdn = mkdn.Replace(word, $"[{word}(/Profiles/ViewProfile/{uname})");
+                    }
+                }
+            }
+            return mkdn;
+        }
+
         public static IHtmlString Markdown(this HtmlHelper hpr, string md)
         {
+            md = ResolveUserLinksInMarkdown(md);
             return hpr.Raw(CommonMark.CommonMarkConverter.Convert(hpr.Encode(md)));
         }