Adding battletag saving, settings in user repo, cors, help now reffers to website

Geekbot.net/Commands/BattleTag.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Threading.Tasks;
+using Discord.Commands;
+using Geekbot.net.Lib;
+using StackExchange.Redis;
+
+namespace Geekbot.net.Commands
+{
+    [Group("battletag")]
+    public class BattleTag : ModuleBase
+    {
+        private readonly IErrorHandler _errorHandler;
+        private readonly IDatabase _redis;
+        private readonly IUserRepository _userRepository;
+        
+        public BattleTag(IErrorHandler errorHandler, IDatabase redis, IUserRepository userRepository)
+        {
+            _errorHandler = errorHandler;
+            _redis = redis;
+            _userRepository = userRepository;
+        }
+
+        [Command(RunMode = RunMode.Async)]
+        [Summary("Get your battletag")]
+        public async Task BattleTagCmd()
+        {
+            try
+            {
+                var tag = _userRepository.getUserSetting(Context.User.Id, "BattleTag");
+                if (!string.IsNullOrEmpty(tag))
+                {
+                    
+                    await ReplyAsync($"Your BattleTag is {tag}");
+                }
+                else
+                {
+                    await ReplyAsync("You haven't set your BattleTag, set it with `!battletag user#1234`");
+                }
+            }
+            catch (Exception e)
+            {
+                _errorHandler.HandleCommandException(e, Context);
+            }
+        }
+        
+        [Command(RunMode = RunMode.Async)]
+        [Summary("Save your battletag")]
+        public async Task BattleTagCmd([Summary("Battletag")] string tag)
+        {
+            try
+            {
+                if (isValidTag(tag))
+                {
+                    _userRepository.saveUserSetting(Context.User.Id, "BattleTag", tag);
+                    await ReplyAsync("Saved!");
+                }
+                else
+                {
+                    await ReplyAsync("That doesn't seem to be a valid battletag");
+                }
+            }
+            catch (Exception e)
+            {
+                _errorHandler.HandleCommandException(e, Context);
+            }
+        }
+
+        private bool isValidTag(string tag)
+        {
+            var splited = tag.Split("#");
+            if (splited.Length != 2) return false;
+            if (!int.TryParse(splited[1], out int discriminator)) return false;
+            if (splited[1].Length == 4 || splited[1].Length == 5) return true;
+            return false;
+        }
+    }
+}