Refactor CLI (#81)

DiscordChatExporter.Cli/Verbs/GetDirectMessageChannelsVerb.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using DiscordChatExporter.Cli.Verbs.Options;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Verbs
+{
+    public class GetDirectMessageChannelsVerb : Verb<GetDirectMessageChannelsOptions>
+    {
+        public GetDirectMessageChannelsVerb(GetDirectMessageChannelsOptions options) 
+            : base(options)
+        {
+        }
+
+        public override async Task ExecuteAsync()
+        {
+            // Get data service
+            var container = new Container();
+            var dataService = container.Resolve<IDataService>();
+
+            // Get channels
+            var channels = await dataService.GetDirectMessageChannelsAsync(Options.GetToken());
+
+            // Print result
+            foreach (var channel in channels.OrderBy(c => c.Name))
+                Console.WriteLine($"{channel.Id} | {channel.Name}");
+        }
+    }
+}