Umbraco-CMS/src/Umbraco.Web/Install/InstallHelper.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.Web.Script.Serialization;
using System.Web.UI;
using Umbraco.Core.Configuration;
using Umbraco.Web.Install.InstallSteps;
using Umbraco.Web.Install.Models;

namespace Umbraco.Web.Install
{
    internal static class InstallHelper
    {

        public static IEnumerable<InstallSetupStep> GetSteps(
            UmbracoContext umbracoContext,
            InstallStatus status)
        {
            //TODO: Add UserToken step to save our user token with Mother

            var steps = new List<InstallSetupStep>();
            if (status == InstallStatus.NewInstall)
            {
                //The step order returned here is how they will appear on the front-end
                steps.AddRange(new InstallSetupStep[]
                {
                    new FilePermissionsStep()
                    {           
                        ServerOrder = 0,
                    },
                    new UserStep(umbracoContext.Application)
                    {
                        ServerOrder = 4,
                    },
                    new DatabaseConfigureStep(umbracoContext.Application)
                    {
                        ServerOrder = 1,
                    },
                    new DatabaseInstallStep(umbracoContext.Application)
                    {
                        ServerOrder = 2,
                    },
                    new DatabaseUpgradeStep(umbracoContext.Application)
                    {
                        ServerOrder = 3,
                    },
                    new StarterKitDownloadStep()
                    {
                        ServerOrder = 5,
                    },
                    new StarterKitInstallStep(umbracoContext.Application, umbracoContext.HttpContext)
                    {
                        ServerOrder = 6,
                    },
                    new StarterKitCleanupStep()
                    {
                        ServerOrder = 7,
                    },
                    new SetUmbracoVersionStep(umbracoContext.Application, umbracoContext.HttpContext) {
                        ServerOrder = 8
                    }
                });
                return steps;
            }
            else
            {
                //TODO: Add steps for upgrades
            }
            return null;
        }

        public static bool IsNewInstall
        {
            get
            {
                var databaseSettings = ConfigurationManager.ConnectionStrings[GlobalSettings.UmbracoConnectionName];
                if (databaseSettings != null && (
                    databaseSettings.ConnectionString.Trim() == string.Empty
                    && databaseSettings.ProviderName.Trim() == string.Empty
                    && GlobalSettings.ConfigurationStatus == string.Empty))
                {
                    return true;
                }

                return false;
            }
        }
    }
}