Taylohtio/CondoUpdate/CondoUpdate.ActivateResponsibleUsersEventReceiverFeature/UpdaterImpl.cs

using System;
using System.Linq;
using Microsoft.SharePoint;
using Microsoft.SharePoint.Utilities;
using Taloyhtio.CondoUpdate.Common;

namespace CondoUpdate.AddResponsiblePropertyManagersGroup
{
    public class UpdaterImpl : ICondoUpdater
    {
        public static readonly Guid PMC_ROOT_ID = new Guid("198ada7e-72e1-4f84-b139-84d2819d4f37");
        public event EventHandler<LogEventArgs> OnNotify;

        public void Update(object args)
        {
            string url = args as string;
            if (string.IsNullOrEmpty(url))
            {
                this.warn("Url is empty");
                return;
            }

            try
            {
                this.updateImpl(url);
            }
            catch (Exception x)
            {
                this.error("Error occured during updating of Condo '{0}':\n{1}\n{2}", url, x.Message, x.StackTrace);
            }
        }

        private void updateImpl(string url)
        {
            using (var site = new SPSite(url))
            {
                var web = site.RootWeb;
                if (!web.Features.Cast<SPFeature>().Any(f => f.DefinitionId == PMC_ROOT_ID))
                {
                    web.Features.Add(PMC_ROOT_ID);
                }
            }
        }

        private void info(string msg, params object[] args)
        {
            this.notify(LogLevel.Info, msg, args);
        }

        private void warn(string msg, params object[] args)
        {
            this.notify(LogLevel.Warn, msg, args);
        }

        private void error(string msg, params object[] args)
        {
            this.notify(LogLevel.Error, msg, args);
        }

        private void notify(LogLevel level, string msg, params object[] args)
        {
            this.notify(level, string.Format(msg, args));
        }

        private void notify(LogLevel level, string msg)
        {
            if (this.OnNotify != null)
            {
                this.OnNotify(this, new LogEventArgs { LogLevel = level, Message = msg });
            }
        }
    }
}