A TDS Post Deploy Step for triggering a site publish

PublishSite.cs

using HedgehogDevelopment.SitecoreProject.PackageInstallPostProcessor.Contracts;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Web;
using System.Xml.Linq;
using Sitecore;
using Sitecore.Collections;
using Sitecore.Configuration;
using Sitecore.Data;
using Sitecore.Data.Items;
using Sitecore.Data.Managers;
using Sitecore.Globalization;
using Sitecore.Publishing;

namespace Hedgehog.TDS.Extensions
{
    [Serializable]
    [Description("Triggers a full site publish after a deployment.\nYou can specify a 'language', 'target', and 'mode' parameters.\nMode can be either 'full', 'smart', or 'incremental' (defaults to 'smart' if left out).\nIf no parameters are provided, a smart publish will be triggered in all languages for all publishing targets.")]

    public class PublishSite : IPostDeployAction
    {
        public void RunPostDeployAction(XDocument deployedItems, IPostDeployActionHost host, string parameter)
        {
            NameValueCollection parameters = HttpUtility.ParseQueryString(parameter ?? string.Empty);

            Database sourceDatabase =  Database.GetDatabase("master");
            if (sourceDatabase == null)
            {
                throw new InvalidOperationException("Could not locate publishing source (master) database.");
            }

            string mode = parameters["mode"] ?? "smart";

            // languages
            string[] languageParameters = parameters["language"] != null ? parameters["language"].Split(',') : new string[] { };
            Language[] languages = languageParameters.Select(LanguageManager.GetLanguage).ToArray();

            if (languages.Length == 0)
            {
                // default to all languages
                languages = LanguageManager.GetLanguages(sourceDatabase).ToArray();
            }

            // target databases
            string[] targetParameters = parameters["target"] != null ? parameters["target"].Split(',') : new string[] { };

            Database[] targetDatabases;
            if (targetParameters.Length > 0)
            {
                targetDatabases = targetParameters.Select(Factory.GetDatabase).ToArray();
            }
            else
            {
                // default to all targets
                targetDatabases = GetPublishingTargets(sourceDatabase).ToArray();
            }

            try
            {
                switch (mode)
                {
                    case "full":
                        PublishManager.Republish(sourceDatabase, targetDatabases, languages, Context.Language);
                        break;
                    case "incremental":
                        PublishManager.PublishIncremental(sourceDatabase, targetDatabases, languages,
                            Context.Language);
                        break;
                    case "smart":
                    default:
                        PublishManager.PublishSmart(sourceDatabase, targetDatabases, languages, Context.Language);
                        break;
                }

                host.LogMessage("[PublishSitePostDeployAction] executing {0} publish from source: {1}, in languages: {2}, on targets: {3}",
                    mode, sourceDatabase, string.Join(",", languages.ToList()), string.Join(",", targetDatabases.ToList()));
            }
            catch (Exception ex)
            {
                host.LogMessage("[PublishSitePostDeployAction] Error publishing site: {0}", ex);
            }
        }

        private IEnumerable<Database> GetPublishingTargets(Database sourceDatabase)
        {
            ItemList targets = PublishManager.GetPublishingTargets(sourceDatabase);
            foreach (Item targetItem in targets)
            {
                Database database = Factory.GetDatabase(targetItem[FieldIDs.PublishingTargetDatabase]);
                if (database != null)
                {
                    yield return database;
                }
            }
        }
    }
}