Improve performance (#162)

DiscordChatExporter.Core.Rendering/HtmlChatLogRenderer.MessageGroup.cs

@@ -0,0 +1,25 @@
+using DiscordChatExporter.Core.Models;
+using System;
+using System.Collections.Generic;
+
+namespace DiscordChatExporter.Core.Rendering
+{
+    public partial class HtmlChatLogRenderer
+    {
+        private class MessageGroup
+        {
+            public User Author { get; }
+
+            public DateTime Timestamp { get; }
+
+            public IReadOnlyList<Message> Messages { get; }
+
+            public MessageGroup(User author, DateTime timestamp, IReadOnlyList<Message> messages)
+            {
+                Author = author;
+                Timestamp = timestamp;
+                Messages = messages;
+            }
+        }
+    }
+}