Purchase: ランキング表示のコマンドを追加 (#20)

Common/Master/SettingMaster.cs

@@ -44,6 +44,7 @@ private int GetInt(string key)
     public int PricePerGachaOnce => GetInt(nameof(PricePerGachaOnce));
     public int PricePerGachaTenTimes => GetInt(nameof(PricePerGachaTenTimes));
     public int PricePerGachaOnceCertain => GetInt(nameof(PricePerGachaOnceCertain));
+    public int PurchaseInfoRankingViewUserCount => GetInt(nameof(PurchaseInfoRankingViewUserCount));
     public string SilentReplyMessage => GetString(nameof(SilentReplyMessage));
 }
 

Common/Master/TriggerPhraseMaster.cs

@@ -11,6 +11,7 @@ public enum TriggerType
     GachaExecute,
     GachaGet,
     Marugame,
+    PurchaseGet,
 }
 
 [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]

Events/PurchaseInfoCommandPresenter.cs

@@ -0,0 +1,47 @@
+using System.Text;
+using Approvers.King.Common;
+using Discord;
+using Microsoft.EntityFrameworkCore;
+
+namespace Approvers.King.Events;
+
+public class PurchaseInfoCommandPresenter : DiscordMessagePresenterBase
+{
+    protected override async Task MainAsync()
+    {
+        await using var app = AppService.CreateSession();
+
+        var selfUser = await app.FindOrCreateUserAsync(Message.Author.Id);
+        var rankingUsers = await app.Users
+            .OrderByDescending(user => user.MonthlyPurchase)
+            .Take(MasterManager.SettingMaster.PurchaseInfoRankingViewUserCount)
+            .ToListAsync();
+
+        await SendReplyAsync(selfUser, rankingUsers);
+    }
+
+    private async Task SendReplyAsync(User selfUser, IReadOnlyList<User> rankingUsers)
+    {
+        var embedBuilder = new StringBuilder();
+        var order = 1;
+        foreach (var user in rankingUsers)
+        {
+            var scoreText = Math.Min(999_999_999, user.MonthlyPurchase).ToString("N0");
+            var whiteSpace = Math.Max(0, 11 - scoreText.Length);
+            var line =
+                Format.Code($"#{order:D2} - {"".PadLeft(whiteSpace, ' ')}{scoreText}†カス†（税込）") + "  " +
+                MentionUtils.MentionUser(user.DiscordID);
+            embedBuilder.AppendLine(line);
+            order++;
+        }
+
+        var embed = new EmbedBuilder()
+            .WithColor(Color.LightOrange)
+            .AddField("おまえの今月の課金額", $"{selfUser.MonthlyPurchase:N0}†カス†（税込）", inline: true)
+            .AddField("ランキング", embedBuilder.ToString())
+            .WithCurrentTimestamp()
+            .Build();
+
+        await Message.ReplyAsync(embed: embed);
+    }
+}

Program.cs

@@ -64,6 +64,13 @@ private static async Task OnMessageReceived(SocketMessage message)
                 return;
             }
 
+            if (IsContainsTriggerPhrase(userMessage.Content, TriggerType.PurchaseGet))
+            {
+                // 課金情報の表示
+                await DiscordManager.ExecuteAsync<PurchaseInfoCommandPresenter>(userMessage);
+                return;
+            }
+
             if (IsContainsTriggerPhrase(userMessage.Content, TriggerType.GachaExecute))
             {
                 // 10連ガチャ