BlogEngine.Core.Packaging.Installer.InstallPackage C# (CSharp) Method

        public static JsonResponse InstallPackage(string pkgId)
        {
            try
            {
                if(BlogService.InstalledFromGalleryPackages() != null &&
                    BlogService.InstalledFromGalleryPackages().Find(p => p.PackageId == pkgId) != null)
                    UninstallPackage(pkgId);

                var packageManager = new PackageManager(
                    _repository,
                    new DefaultPackagePathResolver(BlogSettings.Instance.GalleryFeedUrl),
                    new PhysicalFileSystem(HttpContext.Current.Server.MapPath(Utils.ApplicationRelativeWebRoot + "App_Data/packages"))
                );

                var package = _repository.FindPackage(pkgId);

                var iPkg = new InstalledPackage { PackageId = package.Id, Version = package.Version.ToString() };
                BlogService.InsertPackage(iPkg);

                var packageFiles = FileSystem.InstallPackage(package.Id, package.Version.ToString());
                BlogService.InsertPackageFiles(packageFiles);

                Blog.CurrentInstance.Cache.Remove(Constants.CacheKey);

                Utils.Log(string.Format("Installed package {0} by {1}", pkgId, Security.CurrentUser.Identity.Name));
            }
            catch (Exception ex)
            {
                Utils.Log("BlogEngine.Core.Packaging.Installer.InstallPackage(" + pkgId + ")", ex);
                try
                {
                    UninstallPackage(pkgId);
                }
                catch (Exception)
                {
                    // just trying to clean up if package did not installed properly
                }
                return new JsonResponse { Success = false, Message = "Error installing package, see logs for details" };
            }

            return new JsonResponse { Success = true, Message = "Package successfully installed" };
        }