Marugame: 丸亀製麺構文機能を追加

Common/MasterManager.cs

@@ -44,4 +44,6 @@ public static class MasterManager
     public static TimeSpan DailyResetTime => TimeSpan.FromHours(0);
 
     public static DateTime Birthday => new(2003, 4, 24);
+
+    public static string MarugameTrigger => "丸亀製麺";
 }

Events/MarugamePresenter.cs

@@ -0,0 +1,36 @@
+using System.Text;
+using Approvers.King.Common;
+using Discord;
+
+namespace Approvers.King.Events;
+
+public class MarugamePresenter : DiscordMessagePresenterBase
+{
+    public string Content { get; set; }
+
+    protected override async Task MainAsync()
+    {
+        var message = Format.Code(ConvertMessageToVertical(Content));
+        await Message.ReplyAsync(message);
+    }
+
+    private static string ConvertMessageToVertical(string message)
+    {
+        var lines = message.Split('\n');
+        var maxLength = lines.Max(x => x.Length);
+
+        var sb = new StringBuilder();
+        for (var c = 0; c < maxLength; c++)
+        {
+            foreach (var line in lines.Reverse())
+            {
+                sb.Append(c < line.Length ? line[c] : '　');
+                sb.Append('　');
+            }
+
+            if (c < maxLength - 1) sb.Append('\n');
+        }
+
+        return sb.ToString();
+    }
+}

Program.cs

@@ -36,6 +36,8 @@ private static async Task OnMessageReceived(SocketMessage message)
 
         if (userMessage.MentionedUsers.Any(x => x.Id == DiscordManager.Client.CurrentUser.Id))
         {
+            if (await TryExecuteMarugame(userMessage)) return;
+
             if (MasterManager.SilentTriggerMessages.Any(userMessage.Content.Contains))
             {
                 // 黙らせる
@@ -65,4 +67,25 @@ private static async Task OnMessageReceived(SocketMessage message)
         // 発言
         await DiscordManager.ExecuteAsync<RareReplyPresenter>(userMessage);
     }
+
+    private static async Task<bool> TryExecuteMarugame(SocketUserMessage userMessage)
+    {
+        // 「丸亀製麺」の次にある改行以降が対象
+
+        var marugameIndex =
+            userMessage.Content.IndexOf(MasterManager.MarugameTrigger, StringComparison.InvariantCulture);
+        if (marugameIndex < 0) return false;
+
+        var subs = userMessage.Content[(marugameIndex + MasterManager.MarugameTrigger.Length)..];
+        var contentIndex = subs.IndexOf('\n');
+        if (contentIndex < 0) return false;
+
+        // 丸亀製麺
+        await DiscordManager.ExecuteAsync<MarugamePresenter>(userMessage, presenter =>
+        {
+            presenter.Content = subs[(contentIndex + 1)..];
+            return Task.CompletedTask;
+        });
+        return true;
+    }
 }