xenadmin/XenAdmin/Diagnostics/Problems/HostProblem/HostPrepareToUpgradeProblem.cs

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using XenAdmin.Core;
using XenAdmin.Diagnostics.Checks;
using XenAdmin.Dialogs;
using XenAPI;

namespace XenAdmin.Diagnostics.Problems.HostProblem
{
    class HostPrepareToUpgradeProblem : HostProblem
    {
        private readonly string _shortMessage;
        private readonly string _longMessage;

        public HostPrepareToUpgradeProblem(Check check, Host host, string friendlyErrorKey = null)
            : base(check, host)
        {
            InitialiseMessagesFromErrorKey(friendlyErrorKey, out _shortMessage, out _longMessage);
        }

        public override bool IsFixable => false;

        public override string Description => _shortMessage;

        public override string HelpMessage => Messages.MORE_INFO;

        protected override Actions.AsyncAction CreateAction(out bool cancelled)
        {
            Program.Invoke(Program.MainWindow, () =>
            {
                using (var dlg = new InformationDialog(_longMessage))
                    dlg.ShowDialog();
            });

            cancelled = true;
            return null;
        }

        private void InitialiseMessagesFromErrorKey(string errorKey, out string shortMessage, out string longMessage)
        {
            longMessage = Messages.PROBLEM_PREPARE_TO_UPGRADE;

            if (string.IsNullOrEmpty(errorKey))
            {
                shortMessage = string.Format(Messages.INSTALL_FILES_CANNOT_BE_FOUND, ServerName);
                return;
            }

            if (errorKey.StartsWith("REPO_SERVER_ERROR_"))
                errorKey = "REPO_SERVER_ERROR_5XX";

            var friendlyError = FriendlyNameManager.GetFriendlyName($"PREPARE_HOST_UPGRADE_{errorKey}");

            if (string.IsNullOrEmpty(friendlyError))
            {
                shortMessage = string.Format(Messages.INSTALL_FILES_CANNOT_BE_FOUND, ServerName);
                return;
            }

            shortMessage = $"{ServerName}: {friendlyError}";
        }
    }
}