Where is Xur?

Kruzya.TelegramBot.sln

@@ -12,6 +12,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "tests\Tests.csproj
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UrlLimitations", "modules\UrlLimitations\UrlLimitations.csproj", "{B82E3339-3B34-4600-8C59-C5A3640B1982}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Destiny2.WhereIsXur", "modules\Destiny2.WhereIsXur\Destiny2.WhereIsXur.csproj", "{AE782132-BED8-4D1E-98FA-CB768171D332}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -38,10 +40,15 @@ Global
 		{B82E3339-3B34-4600-8C59-C5A3640B1982}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B82E3339-3B34-4600-8C59-C5A3640B1982}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B82E3339-3B34-4600-8C59-C5A3640B1982}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AE782132-BED8-4D1E-98FA-CB768171D332}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AE782132-BED8-4D1E-98FA-CB768171D332}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AE782132-BED8-4D1E-98FA-CB768171D332}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE782132-BED8-4D1E-98FA-CB768171D332}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{F1E1FBB7-ABA4-4304-9A42-D4975822B002} = {C7821F15-DEDD-474F-A575-A296D4B58F10}
 		{C50D64C3-204B-4B58-927B-C8D759787252} = {C7821F15-DEDD-474F-A575-A296D4B58F10}
 		{B82E3339-3B34-4600-8C59-C5A3640B1982} = {C7821F15-DEDD-474F-A575-A296D4B58F10}
+		{AE782132-BED8-4D1E-98FA-CB768171D332} = {C7821F15-DEDD-474F-A575-A296D4B58F10}
 	EndGlobalSection
 EndGlobal

modules/Destiny2.WhereIsXur/Destiny2.WhereIsXur.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <AssemblyName>Kruzya.TelegramBot.D2_WhereIsXur</AssemblyName>
+        <RootNamespace>Kruzya.TelegramBot.Destiny2.WhereIsXur</RootNamespace>
+    </PropertyGroup>
+
+    <ItemGroup>
+      <ProjectReference Include="..\..\Core\Core.csproj" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <PackageReference Include="Fizzler.Systems.HtmlAgilityPack" Version="1.2.0" />
+      <PackageReference Include="HtmlAgilityPack" Version="1.11.21" />
+    </ItemGroup>
+
+</Project>

modules/Destiny2.WhereIsXur/Provider/IXurPlaceProvider.cs

@@ -0,0 +1,10 @@
+using System.Threading.Tasks;
+
+namespace Kruzya.TelegramBot.Destiny2.WhereIsXur.Provider
+{
+    public interface IXurPlaceProvider
+    {
+        public Task<string> GetPlaceAsync();
+        public string GetPlace();
+    }
+}

modules/Destiny2.WhereIsXur/Provider/XurWiki.cs

@@ -0,0 +1,28 @@
+using System.Threading.Tasks;
+using Fizzler.Systems.HtmlAgilityPack;
+using HtmlAgilityPack;
+
+namespace Kruzya.TelegramBot.Destiny2.WhereIsXur.Provider
+{
+    public class XurWiki : IXurPlaceProvider
+    {
+        public async Task<string> GetPlaceAsync()
+        {
+            var web = new HtmlWeb();
+            var document = await web.LoadFromWebAsync("https://xur.wiki");
+
+            var place = document.DocumentNode.QuerySelector(".location_name");
+            if (place != null)
+            {
+                return place.InnerText.Trim();
+            }
+
+            return "";
+        }
+
+        public string GetPlace()
+        {
+            return GetPlaceAsync().GetAwaiter().GetResult();
+        }
+    }
+}

modules/Destiny2.WhereIsXur/RequestHandler.cs

@@ -0,0 +1,36 @@
+using System.Threading.Tasks;
+using BotFramework;
+using BotFramework.Attributes;
+using Kruzya.TelegramBot.Destiny2.WhereIsXur.Provider;
+using Telegram.Bot.Types.Enums;
+
+namespace Kruzya.TelegramBot.Destiny2.WhereIsXur
+{
+    public class RequestHandler : BotEventHandler
+    {
+        protected readonly IXurPlaceProvider _placeProvider;
+
+        public RequestHandler(IXurPlaceProvider xurPlaceProvider)
+        {
+            _placeProvider = xurPlaceProvider;
+        }
+        
+        [Command("d2_xur")]
+        public async Task WhereIsXur()
+        {
+            var place = await _placeProvider.GetPlaceAsync();
+            if (string.IsNullOrWhiteSpace(place))
+            {
+                await Response("unknown");
+                return;
+            }
+
+            await Response(place);
+        }
+
+        protected async Task Response(string place)
+        {
+            await Bot.SendTextMessageAsync(Chat, $"<b>Xûr</b> place is <code>{place}</code>", ParseMode.Html);
+        }
+    }
+}

modules/Destiny2.WhereIsXur/WhereIsXur.cs

@@ -0,0 +1,18 @@
+using Kruzya.TelegramBot.Core;
+using Kruzya.TelegramBot.Destiny2.WhereIsXur.Provider;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Kruzya.TelegramBot.Destiny2.WhereIsXur
+{
+    public class WhereIsXur : Module
+    {
+        public WhereIsXur(Core.Core core) : base(core)
+        {
+        }
+
+        public override void ConfigureServices(IServiceCollection services)
+        {
+            services.AddSingleton<IXurPlaceProvider, XurWiki>();
+        }
+    }
+}