ByondCommand.cs

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using System;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Tgstation.Server.Host.Components.Byond;
using Tgstation.Server.Host.Components.Watchdog;

namespace Tgstation.Server.Host.Components.Chat.Commands
{
    sealed class ByondCommand : ICommand
    {
        public string Name => "byond";

        public string HelpText => "Displays the running Byond version. Use --active for the version used in future deployments";

        public bool AdminOnly => false;

        readonly IByondManager byondManager;

        readonly IWatchdog watchdog;

        public ByondCommand(IByondManager byondManager, IWatchdog watchdog)
        {
            this.byondManager = byondManager ?? throw new ArgumentNullException(nameof(byondManager));
            this.watchdog = watchdog ?? throw new ArgumentNullException(nameof(watchdog));
        }

        public Task<string> Invoke(string arguments, ChatUser user, CancellationToken cancellationToken)
        {
            if (arguments.Split(' ').Any(x => x.ToUpperInvariant() == "--ACTIVE"))
                return Task.FromResult(byondManager.ActiveVersion == null ? "None!" : String.Format(CultureInfo.InvariantCulture, "{0}.{1}", byondManager.ActiveVersion.Major, byondManager.ActiveVersion.Minor));
            if (!watchdog.Running)
                return Task.FromResult("Server offline!");
            return Task.FromResult(watchdog.ActiveCompileJob.ByondVersion);
        }
    }
}