SupportChild/SupportChild/Commands/ToggleActiveCommand.cs

using System.Linq;
using System.Threading.Tasks;
using DSharpPlus.CommandsNext;
using DSharpPlus.CommandsNext.Attributes;
using DSharpPlus.Entities;
using Microsoft.Extensions.Logging;
using MySql.Data.MySqlClient;

namespace SupportChild.Commands
{
    public class ToggleActiveCommand : BaseCommandModule
    {
        [Command("toggleactive")]
        [Aliases("ta")]
        public async Task OnExecute(CommandContext command, [RemainingText] string commandArgs)
        {
            using (MySqlConnection c = Database.GetConnection())
            {
                // Check if the user has permission to use this command.
                if (!Config.HasPermission(command.Member, "toggleactive"))
                {
                    DiscordEmbed error = new DiscordEmbedBuilder
                    {
                        Color = DiscordColor.Red,
                        Description = "You do not have permission to use this command."
                    };
                    await command.RespondAsync(error);
                    command.Client.Logger.Log(LogLevel.Information, "User tried to use the toggleactive command but did not have permission.");
                    return;
                }

                ulong staffID;
                string[] parsedMessage = Utilities.ParseIDs(command.RawArgumentString);

                if (!parsedMessage.Any())
                {
                    staffID = command.Member.Id;
                }
                else if (!ulong.TryParse(parsedMessage[0], out staffID))
                {
                    DiscordEmbed error = new DiscordEmbedBuilder
                    {
                        Color = DiscordColor.Red,
                        Description = "Invalid ID/Mention. (Could not convert to numerical)"
                    };
                    await command.RespondAsync(error);
                    return;
                }

                // Check if ticket exists in the database
                if (!Database.TryGetStaff(staffID, out Database.StaffMember staffMember))
                {
                    DiscordEmbed error = new DiscordEmbedBuilder
                    {
                        Color = DiscordColor.Red,
                        Description = "You have not been registered as staff."
                    };
                    await command.RespondAsync(error);
                    return;
                }

                c.Open();
                MySqlCommand update = new MySqlCommand(@"UPDATE staff SET active = @active WHERE user_id = @user_id", c);
                update.Parameters.AddWithValue("@user_id", staffID);
                update.Parameters.AddWithValue("@active", !staffMember.active);
                update.Prepare();
                update.ExecuteNonQuery();

                DiscordEmbed message = new DiscordEmbedBuilder
                {
                    Color = DiscordColor.Green,
                    Description = staffMember.active ? "Staff member is now set as inactive and will no longer be randomly assigned any support tickets." : "Staff member is now set as active and will be randomly assigned support tickets again."
                };
                await command.RespondAsync(message);
            }
        }
    }
}