private bool AddSiteLinksToPromotion(Promotion promo, CampaignSetupModel model, int customerFk, System.Data.Objects.ObjectContext context, CampaignSetupModel oldModel)
 {
     bool shouldRefreshSiteLinks = false;
     if (model.SiteLinks != null)
         foreach (var sitelink in model.SiteLinks)
         {
             if (sitelink.Delete && !sitelink.SiteLinksSaved)
             {
                 var sl = promo.SiteLinks.SingleOrDefault(x => x.SiteLInkPK == sitelink.SiteLInkPK);
                 if (sl != null)
                 {
                     context.DeleteObject(sl);
                     shouldRefreshSiteLinks = true;
                 }
             }
             //TODO remove when the validation is added
             //if (!string.IsNullOrEmpty(sitelink.LinkText) && !string.IsNullOrEmpty((sitelink.LinkURL)))
             else if (sitelink.SiteLInkPK == 0 && !sitelink.SiteLinksSaved)
             {
                 shouldRefreshSiteLinks = true;
                 var slink = new SiteLink
                                 {
                                     LinkText = sitelink.LinkText,
                                     LinkURL = sitelink.LinkURL,
                                     PromotionFK = promo.PromotionPK
                                 };
                 promo.SiteLinks.Add(slink);
             }
             else
             {
                 var siteOld = oldModel.SiteLinks.Single(x => x.SiteLInkPK == sitelink.SiteLInkPK);
                 if (siteOld.LinkText != sitelink.LinkText ||
                         siteOld.LinkURL != sitelink.LinkURL)
                     {
                         shouldRefreshSiteLinks = true;
                         var sl = promo.SiteLinks.Single(x => x.SiteLInkPK== sitelink.SiteLInkPK);
                         sl.LinkText = sitelink.LinkText;
                         sl.LinkURL = sitelink.LinkURL;
                     }
             }
         }
     return shouldRefreshSiteLinks;
    
 }
 public void AddSiteLinksToPromotion(Promotion promo, CampaignSetupModel model, int customerFk)
 {
     if (model.SiteLinks != null)
         foreach (var sitelink in model.SiteLinks)
         {
             var slink = new SiteLink
             {
                 LinkText = sitelink.LinkText,
                 LinkURL = sitelink.LinkURL,
                 PromotionFK = promo.PromotionPK
             };
             promo.SiteLinks.Add(slink);
             try
             {
                 var sw = new ServiceClientWrapper();
                 var adEngines = new List<string>();
                 if (promo.IsLaunched)
                 {
                     adEngines.AddRange(promo.PromotionAdEngineSelecteds.Select(pades => pades.AdvertisingEngine.AdvertisingEngine1));
                     sw.scheduleRefreshSiteLinksForAd(customerFk, promo.PromotionPK, adEngines);
                 }
             }
             catch (Exception ex) { SharedResources.Helpers.ExceptionHelper.LogException(ex.ToString()); }
         }
 }