Updater.cs :  » Content-Management-Systems-CMS » Kooboo » Everest » CmsServices » Installation » C# / CSharp Open Source

/*
Kooboo is a content management system based on ASP.NET MVC framework. Copyright 2009 Yardi Technology Limited.

This program is free software: you can redistribute it and/or modify it under the terms of the
GNU General Public License version 3 as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program.
If not, see http://www.kooboo.com/gpl3/.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Ionic.Zip;
using Everest.Library.ExtensionMethod;
using Everest.CmsServices.Exceptions;
namespace Everest.CmsServices.Installation{
    public static class Updater
    {
        public static void Upgrade(KoobooInstance olderInstance, KoobooInstance newerInstance, bool upgradeDb, bool copyContentFiles)
        {
            UpdaterBase updater = GetUpdater(olderInstance);
            if (updater != null)
            {
                updater.Upgrade(olderInstance, newerInstance, upgradeDb, copyContentFiles);
            }
        }

        private static UpdaterBase GetUpdater(KoobooInstance olderInstance)
        {
            UpdaterBase updater = null;

            switch (olderInstance.DatabaseType)
            {
                case KoobooDatabaseType.Unsupported:
                    break;
                case KoobooDatabaseType.MSSQL:
                    updater = new MSSQLUpdater();
                    break;
                case KoobooDatabaseType.SQLite:
                    updater = new SQLiteUpdater();
                    break;
                default:
                    break;
            }
            return updater;
        }

        public static void IntergratedUpgrade(KoobooInstance olderKooboo, string upgradeFile)
        {
            CheckPermission(olderKooboo.KoobooPath);
            UpdaterBase updater = GetUpdater(olderKooboo);
            if (updater != null)
            {
                OverrideFiles(olderKooboo, upgradeFile);

                KoobooInstance newerKooboInstance = new KoobooInstance(olderKooboo.KoobooPath);

                updater.UpgradeConfig(olderKooboo, newerKooboInstance);
                updater.UpgradeDatabase(olderKooboo, newerKooboInstance);
            }
        }
        private static void CheckPermission(string koobooPath)
        {
            if (!FileExtensions.HasWritePermissionOnDir(koobooPath))
            {
                throw new UpgradeException(Resources.Upgrade_FolderRequiredWritable);
            }
        }
        private static void OverrideFiles(KoobooInstance kooboo, string upgradeFile)
        {
            var tempPath = Path.Combine(CmsGlobal.TempPath, Guid.NewGuid().ToString());
            try
            {
                using (ZipFile zipFile = new ZipFile(upgradeFile, Encoding.UTF8))
                {
                    zipFile.ExtractAll(tempPath, ExtractExistingFileAction.OverwriteSilently);
                }

                File.Delete(Path.Combine(tempPath, "web.config"));

                try
                {
                    string sqliteDbFile = Path.Combine(tempPath, "App_Data\\Kooboo.db");
                    if (File.Exists(sqliteDbFile))
                    {
                        File.Delete(sqliteDbFile);
                    }
                }
                catch
                {
                }


                FileExtensions.CopyDirectory(tempPath, kooboo.KoobooPath);
            }
            finally
            {
                if (Directory.Exists(tempPath))
                    Directory.Delete(tempPath, true);
            }
        }

    }
}