Rename solution & project, move the project files one layer up

Commands/ClearCommand.cs

@@ -0,0 +1,25 @@
+using System.Diagnostics;
+using Discord;
+using Discord.WebSocket;
+
+namespace Boyfriend.Commands;
+
+public sealed class ClearCommand : ICommand {
+    public string[] Aliases { get; } = { "clear", "purge", "очистить", "стереть" };
+
+    public async Task RunAsync(CommandProcessor cmd, string[] args, string[] cleanArgs) {
+        if (cmd.Context.Channel is not SocketTextChannel channel) throw new UnreachableException();
+
+        if (!cmd.HasPermission(GuildPermission.ManageMessages)) return;
+
+        var toDelete = cmd.GetNumberRange(cleanArgs, 0, 1, 200, "ClearAmount");
+        if (toDelete is null) return;
+        var messages = await channel.GetMessagesAsync((int)(toDelete + 1)).FlattenAsync();
+
+        var user = (SocketGuildUser)cmd.Context.User;
+        await channel.DeleteMessagesAsync(messages, Utils.GetRequestOptions(user.ToString()!));
+
+        cmd.Audit(string.Format(Messages.FeedbackMessagesCleared, (toDelete + 1).ToString(),
+            Utils.MentionChannel(channel.Id)));
+    }
+}