Added cat pics because cat pics are a must have feature

DeukBot4/APIHandlers/CatPicHandler.cs

@@ -0,0 +1,31 @@
+using System;
+using System.IO;
+using System.Net.Http;
+using System.Net.Http.Headers;
+using System.Threading.Tasks;
+using System.Web;
+using Discord;
+
+namespace DeukBot4.APIHandlers
+{
+    public class CatPicHandler
+    {
+        private const string URL = "https://cataas.com";
+
+        public static async Task<Stream> GetCatPicture(string saying = null)
+        {
+            var fullUrl = "/cat";
+            if (saying != null)
+                fullUrl += "/says/" + HttpUtility.UrlPathEncode(saying);
+
+            var client = new HttpClient {BaseAddress = new Uri(URL)};
+            client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
+            var response = await client.GetAsync(fullUrl); // Blocking call!
+            if (!response.IsSuccessStatusCode)
+                throw new Exception("failure");
+
+            var res = await response.Content.ReadAsStreamAsync();
+            return res;
+        }
+    }
+}

DeukBot4/MessageHandlers/CommandHandler/Commands/GeneralCommands.cs

@@ -1,5 +1,7 @@
 using System;
+using System.Net;
 using System.Threading.Tasks;
+using System.Web;
 using DeukBot4.APIHandlers;
 using DeukBot4.MessageHandlers.CommandHandler.RequestStructure;
 using DeukBot4.MessageHandlers.Permissions;
@@ -77,5 +79,20 @@ namespace DeukBot4.MessageHandlers.CommandHandler
         {
             await request.SendMessageAsync(await CatFactsApi.GetRandomCatFact());
         }
+
+        [Command("catpic", PermissionLevel.Everyone)]
+        [CommandHelp("Returns a random cat picture", "Returns a random cat picture")]
+        [CommandParameters(ParameterMatcher.ParameterType.Remainder)]
+        public async Task RandomCatPc(CommandRequest request)
+        {
+            if (!string.IsNullOrWhiteSpace(request.Parameters[0].AsString()))
+            {
+                var saying = request.Parameters[0].AsString();
+                await request.OriginalMessage.Channel.SendFileAsync(await CatPicHandler.GetCatPicture(saying), "cat_pic.png");
+                return;
+            }
+            await request.OriginalMessage.Channel.SendFileAsync(await CatPicHandler.GetCatPicture(), "cat_pic.png");
+        }
+
     }
 }

DeukBot4/MessageHandlers/MainHandler.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Linq;
 using System.Threading.Tasks;
+using System.Web;
+using DeukBot4.APIHandlers;
 using DeukBot4.Utilities;
 using Discord;
 using Discord.WebSocket;
@@ -68,7 +70,8 @@ namespace DeukBot4.MessageHandlers
             var lowerSplit = lowerCasedContent.Split(' ');
             if (lowerSplit.Select(s => Lehvenstein.LevenshteinDistance(s, "delta")).Any(diff => diff <= 1))
             {
-                await message.Channel.SendMessageAsync("uhh excuse me it's called Origin and it's an art");
+                var warning = "uhh excuse me it's called\n Origin and it's an art";
+                await message.Channel.SendFileAsync(await CatPicHandler.GetCatPicture(warning), "cat_pic.png");
             }
 
         }