SupportChild/Commands/BlacklistCommand.cs

using System;
using System.Threading.Tasks;
using DSharpPlus.Entities;
using DSharpPlus.SlashCommands;
using DSharpPlus.SlashCommands.Attributes;

namespace SupportChild.Commands;

public class BlacklistCommand : ApplicationCommandModule
{
	[SlashRequireGuild]
	[SlashCommand("blacklist", "Blacklists a user from opening tickets.")]
	public async Task OnExecute(InteractionContext command, [Option("User", "User to blacklist.")] DiscordUser user)
	{
		try
		{
			if (!Database.Blacklist(user.Id, command.User.Id))
			{
				await command.CreateResponseAsync(new DiscordEmbedBuilder
				{
					Color = DiscordColor.Red,
					Description = user.Mention + " is already blacklisted."
				}, true);
				return;
			}

			await command.CreateResponseAsync(new DiscordEmbedBuilder
			{
				Color = DiscordColor.Green,
				Description = "Blacklisted " + user.Mention + "."
			}, true);

			// Log it if the log channel exists
			DiscordChannel logChannel = command.Guild.GetChannel(Config.logChannel);
			if (logChannel != null)
			{
				await logChannel.SendMessageAsync(new DiscordEmbedBuilder
				{
					Color = DiscordColor.Green,
					Description = user.Mention + " was blacklisted from opening tickets by " + command.Member.Mention + "."
				});
			}
		}
		catch (Exception)
		{
			await command.CreateResponseAsync(new DiscordEmbedBuilder
			{
				Color = DiscordColor.Red,
				Description = "Error occured while blacklisting " + user.Mention + "."
			}, true);
			throw;
		}
	}
}