Migrate DiscordChatExporter.Cli to CliFx

DiscordChatExporter.Cli/Commands/GetGuildsCommand.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using System.Threading.Tasks;
+using CliFx.Attributes;
+using CliFx.Services;
+using DiscordChatExporter.Core.Services;
+
+namespace DiscordChatExporter.Cli.Commands
+{
+    [Command("guilds", Description = "Get the list of accessible guilds.")]
+    public class GetGuildsCommand : TokenCommandBase
+    {
+        public GetGuildsCommand(DataService dataService)
+            : base(dataService)
+        {
+        }
+
+        public override async Task ExecuteAsync(IConsole console)
+        {
+            // Get guilds
+            var guilds = await DataService.GetUserGuildsAsync(GetToken());
+
+            // Order guilds
+            guilds = guilds.OrderBy(g => g.Name).ToArray();
+
+            // Print result
+            foreach (var guild in guilds)
+                console.Output.WriteLine($"{guild.Id} | {guild.Name}");
+        }
+    }
+}