/// <summary>
        /// Restore backed up previously service provider item.
        /// </summary>
        /// <param name="tempFolder">Temporary directory path.</param>
        /// <param name="itemNode">Serialized service provider item.</param>
        /// <param name="itemId">Service provider item id.</param>
        /// <param name="itemType">Service provider item type.</param>
        /// <param name="itemName">Service provider item name.</param>
        /// <param name="packageId">Service provider item package.</param>
        /// <param name="serviceId">Service provider item service id.</param>
        /// <param name="group">Service provider item resource group.</param>
        /// <returns>Resulting code.</returns>
        public int RestoreItem(string tempFolder, XmlNode itemNode, int itemId, Type itemType, string itemName, int packageId, int serviceId, ResourceGroupInfo group)
        {
            if (itemType == typeof(SharePointEnterpriseSiteCollection))
            {
                HostedSharePointServerEnt hostedSharePointServer = GetHostedSharePointServer(serviceId);
                // Deserialize item.
                XmlSerializer serializer = new XmlSerializer(typeof(SharePointEnterpriseSiteCollection));
                SharePointEnterpriseSiteCollection siteCollection = (SharePointEnterpriseSiteCollection)serializer.Deserialize(new XmlNodeReader(itemNode.SelectSingleNode("SharePointEnterpriseSiteCollection")));
                siteCollection.PackageId = packageId;
                siteCollection.ServiceId = serviceId;

                // Create site collection if needed.
                if (hostedSharePointServer.Enterprise_GetSiteCollection(siteCollection.Url) == null)
                {
                    hostedSharePointServer.Enterprise_CreateSiteCollection(siteCollection);
                }

                // Add metabase record if needed.
                SharePointEnterpriseSiteCollection metaSiteCollection = (SharePointEnterpriseSiteCollection)PackageController.GetPackageItemByName(packageId, itemName, typeof(SharePointEnterpriseSiteCollection));
                if (metaSiteCollection == null)
                {
                    PackageController.AddPackageItem(siteCollection);
                }
            }

            return(0);
        }
        /// <summary>
        /// Adds SharePoint site collection.
        /// </summary>
        /// <param name="item">Site collection description.</param>
        /// <returns>Created site collection id within metabase.</returns>
        public static int AddSiteCollection(SharePointEnterpriseSiteCollection item)
        {
            // Check account.
            int accountCheck = SecurityContext.CheckAccount(DemandAccount.NotDemo | DemandAccount.IsActive);

            if (accountCheck < 0)
            {
                return(accountCheck);
            }

            // Check package.
            int packageCheck = SecurityContext.CheckPackage(item.PackageId, DemandPackage.IsActive);

            if (packageCheck < 0)
            {
                return(packageCheck);
            }

            // Check quota.
            OrganizationStatistics orgStats = OrganizationController.GetOrganizationStatistics(item.OrganizationId);

            //QuotaValueInfo quota = PackageController.GetPackageQuota(item.PackageId, Quotas.HOSTED_SHAREPOINT_SITES);

            if (orgStats.AllocatedSharePointEnterpriseSiteCollections > -1 &&
                orgStats.CreatedSharePointEnterpriseSiteCollections >= orgStats.AllocatedSharePointEnterpriseSiteCollections)
            {
                return(BusinessErrorCodes.ERROR_SHAREPOINT_RESOURCE_QUOTA_LIMIT);
            }

            // Check if stats resource is available
            int serviceId = PackageController.GetPackageServiceId(item.PackageId, ResourceGroups.SharepointEnterpriseServer);

            if (serviceId == 0)
            {
                return(BusinessErrorCodes.ERROR_SHAREPOINT_RESOURCE_UNAVAILABLE);
            }

            StringDictionary hostedSharePointSettings = ServerController.GetServiceSettings(serviceId);
            QuotaValueInfo   quota             = PackageController.GetPackageQuota(item.PackageId, Quotas.HOSTED_SHAREPOINT_ENTERPRISE_USESHAREDSSL);
            Uri          rootWebApplicationUri = new Uri(hostedSharePointSettings["RootWebApplicationUri"]);
            Organization org      = OrganizationController.GetOrganization(item.OrganizationId);
            string       siteName = item.Name;

            if (quota.QuotaAllocatedValue == 1)
            {
                string sslRoot = hostedSharePointSettings["SharedSSLRoot"];


                string defaultDomain = org.DefaultDomain;
                string hostNameBase  = string.Empty;

                string[] tmp = defaultDomain.Split('.');
                if (tmp.Length == 2)
                {
                    hostNameBase = tmp[0];
                }
                else
                {
                    if (tmp.Length > 2)
                    {
                        hostNameBase = tmp[0] + tmp[1];
                    }
                }

                int counter = 0;
                item.Name = String.Format("{0}://{1}", rootWebApplicationUri.Scheme, hostNameBase + "-" + counter.ToString() + "." + sslRoot);
                siteName  = String.Format("{0}", hostNameBase + "-" + counter.ToString() + "." + sslRoot);

                while (DataProvider.CheckServiceItemExists(serviceId, item.Name, "WebsitePanel.Providers.SharePoint.SharePointEnterpriseSiteCollection,   WebsitePanel.Providers.Base"))
                {
                    counter++;
                    item.Name = String.Format("{0}://{1}", rootWebApplicationUri.Scheme, hostNameBase + "-" + counter.ToString() + "." + sslRoot);
                    siteName  = String.Format("{0}", hostNameBase + "-" + counter.ToString() + "." + sslRoot);
                }
            }
            else
            {
                item.Name = String.Format("{0}://{1}", rootWebApplicationUri.Scheme, item.Name);
            }

            if (rootWebApplicationUri.Port > 0 && rootWebApplicationUri.Port != 80 && rootWebApplicationUri.Port != 443)
            {
                item.PhysicalAddress = String.Format("{0}:{1}", item.Name, rootWebApplicationUri.Port);
            }
            else
            {
                item.PhysicalAddress = item.Name;
            }

            if (Utils.ParseBool(hostedSharePointSettings["LocalHostFile"], false))
            {
                item.RootWebApplicationInteralIpAddress = hostedSharePointSettings["RootWebApplicationInteralIpAddress"];
                item.RootWebApplicationFQDN             = item.Name.Replace(rootWebApplicationUri.Scheme + "://", "");
            }

            item.MaxSiteStorage = RecalculateMaxSize(org.MaxSharePointEnterpriseStorage, (int)item.MaxSiteStorage);
            item.WarningStorage = item.MaxSiteStorage == -1 ? -1 : Math.Min((int)item.WarningStorage, item.MaxSiteStorage);


            // Check package item with given name already exists.
            if (PackageController.GetPackageItemByName(item.PackageId, item.Name, typeof(SharePointEnterpriseSiteCollection)) != null)
            {
                return(BusinessErrorCodes.ERROR_SHAREPOINT_PACKAGE_ITEM_EXISTS);
            }

            // Log operation.
            TaskManager.StartTask("HOSTED_SHAREPOINT_ENTERPRISE", "ADD_SITE_COLLECTION", item.Name);

            try
            {
                // Create site collection on server.
                HostedSharePointServerEnt hostedSharePointServer = GetHostedSharePointServer(serviceId);

                hostedSharePointServer.Enterprise_CreateSiteCollection(item);

                // Make record in metabase.
                item.ServiceId = serviceId;
                int itemId = PackageController.AddPackageItem(item);

                hostedSharePointServer.Enterprise_SetPeoplePickerOu(item.Name, org.DistinguishedName);

                int dnsServiceId = PackageController.GetPackageServiceId(item.PackageId, ResourceGroups.Dns);
                if (dnsServiceId > 0)
                {
                    string[] tmpStr     = siteName.Split('.');
                    string   hostName   = tmpStr[0];
                    string   domainName = siteName.Substring(hostName.Length + 1, siteName.Length - (hostName.Length + 1));

                    List <GlobalDnsRecord> dnsRecords      = ServerController.GetDnsRecordsByService(serviceId);
                    List <DnsRecord>       resourceRecords = DnsServerController.BuildDnsResourceRecords(dnsRecords, hostName, domainName, "");
                    DNSServer dns = new DNSServer();

                    ServiceProviderProxy.Init(dns, dnsServiceId);
                    // add new resource records
                    dns.AddZoneRecords(domainName, resourceRecords.ToArray());
                }

                TaskManager.ItemId = itemId;

                return(itemId);
            }
            catch (Exception ex)
            {
                throw TaskManager.WriteError(ex);
            }
            finally
            {
                TaskManager.CompleteTask();
            }
        }