Added a simple text command

Author: csharpfritz

Fritz.Chatbot/Commands/TextCommand.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Fritz.StreamLib.Core;
+
+namespace Fritz.Chatbot.Commands
+{
+
+	public class TextCommand : IExtendedCommand
+	{
+
+		// Cheer 143 cpayette 03/3/19 
+
+		public string Name => "TextCommand";
+		public string Description => "Return a simple line of text";
+		public int Order => 0;
+		public bool Final => true;
+		public TimeSpan? Cooldown => TimeSpan.FromSeconds(5);
+
+		private static readonly Dictionary<string, string> _Commands = new Dictionary<string, string>
+		{
+			{ "music", "Jeff plays 'Music to Code By' from Carl Franklin: http://mtcb.pwop.com" },
+			{ "discord", "Join us on the Fritz and Friends Discord server at: https://discord.gg/RnJhrJq" },
+			{ "github", "Checkout Jeff's GitHub at: https://github.com/csharpfritz" },
+			{ "keyboard", "Jeff uses a Vortex Race 3 with Cherry MX Blue switches, details on his blog at: https://jeffreyfritz.com/2018/07/mechanical-keyboards-i-just-got-one-and-why-you-need-one-too/"  },
+			{ "blog", "Jeff's blog is at: https://jeffreyfritz.com" },
+			{ "lurk", "is stepping away from keyboard and lurking" }
+		};
+
+		public bool CanExecute(string userName, string fullCommandText)
+		{
+
+			if (!fullCommandText.StartsWith("!")) return false;
+			var cmd = fullCommandText.Substring(1).ToLowerInvariant();
+			return _Commands.ContainsKey(cmd);
+
+		}
+
+		public Task Execute(IChatService chatService, string userName, string fullCommandText)
+		{
+
+			var cmd = fullCommandText.Substring(1).ToLowerInvariant();
+
+			if (cmd == "lurk")
+				return chatService.SendMessageAsync($"@{userName} {_Commands[cmd]}");
+
+			return chatService.SendMessageAsync($"@{userName} - {_Commands[cmd]}");
+
+		}
+	}
+
+}