The bot now checks for update

PluginManager/Updater/Application/AppUpdater.cs

@@ -0,0 +1,94 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+using PluginManager.Interfaces.Updater;
+
+namespace PluginManager.Updater.Application
+{
+    public class AppUpdater
+    {
+        private static readonly string _DefaultUpdateUrl = "https://github.com/andreitdr/SethDiscordBot/releases/latest";
+        
+        private async Task<AppVersion> GetOnlineVersion()
+        {
+            HttpClient client = new HttpClient();
+            var response = await client.GetAsync("https://github.com/andreitdr/SethDiscordBot/releases/latest");
+
+            if (response.IsSuccessStatusCode)
+            {
+                var content = await response.Content.ReadAsStringAsync();
+                var version = Regex.Match(content, @"<title>.+?v(\d+\.\d+\.\d+.\d+).+?</title>").Groups[1].Value;
+
+                return new AppVersion(version);
+            }
+
+            return AppVersion.CurrentAppVersion;
+        }
+
+        public async Task<Update> CheckForUpdates()
+        {
+            var latestVersion = await GetOnlineVersion();
+            if(latestVersion.IsNewerThan(AppVersion.CurrentAppVersion))
+            {
+                return new Update(AppVersion.CurrentAppVersion, latestVersion, _DefaultUpdateUrl, await GetUpdateNotes());
+            }
+
+            return Update.None;
+        }
+
+        private async Task<string> GetUpdateNotes()
+        {
+            HttpClient client = new HttpClient();
+            var response = await client.GetAsync("https://github.com/andreitdr/SethDiscordBot/releases/latest");
+
+            if (!response.IsSuccessStatusCode)
+            {
+                return string.Empty;
+            }
+
+            var content = await response.Content.ReadAsStringAsync();
+            var markdownStart = content.IndexOf("<div data-pjax=\"true\" data-test-selector=\"body-content\"");
+            if(markdownStart == -1)
+            {
+                return string.Empty;
+            }
+
+            markdownStart = content.IndexOf(">", markdownStart) + 1; // Move past the opening tag
+            var markdownEnd = content.IndexOf("</div>", markdownStart);
+            var markdown = content.Substring(markdownStart, markdownEnd - markdownStart).Trim();
+            markdown = RemoveHtmlTags(markdown);
+
+            markdown = ApplyMarkdownFormatting(markdown);
+
+            return markdown;
+
+        }
+
+        private string RemoveHtmlTags(string text)
+        {
+            return Regex.Replace(text, "<.*?>", "").Trim();
+        }
+        private string ApplyMarkdownFormatting(string markdown)
+        {
+            // Apply markdown formatting
+            markdown = markdown.Replace("**", "**"); // Bold
+            markdown = markdown.Replace("*", "*"); // Italic
+            markdown = markdown.Replace("`", "`"); // Inline code
+            markdown = markdown.Replace("```", "```"); // Code block
+            markdown = markdown.Replace("&gt;", ">"); // Greater than symbol
+            markdown = markdown.Replace("&lt;", "<"); // Less than symbol
+            markdown = markdown.Replace("&amp;", "&"); // Ampersand
+            markdown = markdown.Replace("&quot;", "\""); // Double quote
+            markdown = markdown.Replace("&apos;", "'"); // Single quote
+            markdown = markdown.Replace(" - ", "\n- "); // Convert bullet points to markdown list items
+
+            return markdown;
+        }
+
+    }
+}