Check.cs

using System;
using System.Threading.Tasks;
using Waher.IoTGateway;
using Waher.Runtime.Settings;
 
namespace Waher.Service.IoTBroker.Admin.Software
{
    public class Check : CommandNoParameters
    {
        public Check()
        {
        }
 
        public override string Name => "Check";
 
        public override async Task Execute(ChatState State, string[] Arguments, string OrgMessage, ResponseCallbackHandler ResponseCallback)
        {
            if (Gateway.SoftwareUpdateClient is null)
                await XmppServerModule.SendErrorMessage("No software update service available on parent server.", string.Empty, ResponseCallback);
            else
            {
                string MessageId = await ResponseCallback("Subscribing to all software packages.", string.Empty);
                int NrUpdated = 0;
 
                await Gateway.SoftwareUpdateClient.SubscribeAsync("*");
 
                await ResponseCallback("Checking server for new software packages.", MessageId);
 
                foreach (Networking.XMPP.Software.Package Package in await Gateway.SoftwareUpdateClient.GetPackagesAsync())
                {
                    if (await XmppServerModule.Instance.CheckSoftwarePackage(Package, ResponseCallback))
                        NrUpdated++;
                }
 
                await RuntimeSettings.SetAsync("SW.Update.Last", DateTime.Now);
 
                switch (NrUpdated)
                {
                    case 0:
                        await ResponseCallback("No new software packages available.", MessageId);
                        break;
 
                    case 1:
                        await ResponseCallback("1 new software package downloaded.", MessageId);
                        break;
 
                    default:
                        await ResponseCallback(NrUpdated.ToString() + " new software packages downloaded.", MessageId);
                        break;
                }
            }
        }
 
        public override string[] HelpParagraphs => new string[] { "Checks for new software packages." };
    }
}