EnvironmentInitialization.cs

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.Linq;
using EPiServer.Framework;
using EPiServer.Framework.Initialization;
using EPiServer.ServiceLocation;
using EPiServer.Web;

namespace MyAlloy.Business.Initialization
{
    [ModuleDependency(typeof(EPiServer.Web.InitializationModule))]
    public class EnvironmentInitialization : IInitializableModule
    {
        public void Initialize(InitializationEngine context)
        {
            if (ConfigurationManager.ConnectionStrings["EPiServerDB"].ConnectionString.Contains("LocalDb")) //making sure we are on a local dev machine
            {
                //Setup local development site definitions
                MergeSiteDefinitions(GetLocalDevSites());
            }
        }

        private void MergeSiteDefinitions(IEnumerable<SiteDefinition> mergeWithDefinitions)
        {
            var siteDefinitionRepository = ServiceLocator.Current.GetInstance<ISiteDefinitionRepository>();
            var existingSites = siteDefinitionRepository.List().ToList();
            foreach (var definition in mergeWithDefinitions)
            {
                //Update the site definition if it doesn't have the same value for SiteUrl 
                var site = existingSites.FirstOrDefault(s => s.Name == definition.Name && s.SiteUrl != definition.SiteUrl);
                if (site != null)
                {
                    site = site.CreateWritableClone();
                    site.SiteUrl = definition.SiteUrl;
                    site.Hosts = definition.Hosts;
                    siteDefinitionRepository.Save(site);
                }
            }
        }

        private IEnumerable<SiteDefinition> GetLocalDevSites()
        {
            //These are the site definitions we want to use on local development machine
            var sites = new List<SiteDefinition>
            {
                new SiteDefinition
                {
                    Name = "Alloy1",
                    SiteUrl = new Uri("http://localhost:53469/"),
                    Hosts =  new List<HostDefinition> { new HostDefinition { Name = "localhost:53469", Language = new CultureInfo("en") } }
                },
                new SiteDefinition
                {
                    Name = "Alloy2",
                    SiteUrl = new Uri("http://alloy2:53469/"),
                    Hosts =  new List<HostDefinition> { new HostDefinition { Name = "alloy2:53469", Language = new CultureInfo("en") } }
                },
            };
            return sites;
        }

        public void Uninitialize(InitializationEngine context)
        {
        }

        public void Preload(string[] parameters)
        {
        }
    }
}