/// <summary>
/// Builds a strongly typed Page Model from a given DXA R2 Data Model.
/// </summary>
/// <param name="pageModel">The strongly typed Page Model to build. Is <c>null</c> for the first Page Model Builder in the pipeline.</param>
/// <param name="pageModelData">The DXA R2 Data Model.</param>
/// <param name="includePageRegions">Indicates whether Include Page Regions should be included.</param>
/// <param name="localization">The context <see cref="Localization"/>.</param>
public void BuildPageModel(ref PageModel pageModel, PageModelData pageModelData, bool includePageRegions, ILocalization localization)
{
using (new Tracer(pageModel, pageModelData, includePageRegions, localization))
{
if ((pageModel == null) || !pageModel.Regions.OfType <SmartTargetRegion>().Any())
{
Log.Debug("No SmartTarget Regions on Page.");
return;
}
// "Upgrade" the PageModel to a SmartTargetPageModel, so we can store AllowDuplicates in the Page Model.
SmartTargetPageModel smartTargetPageModel = new SmartTargetPageModel(pageModel)
{
AllowDuplicates = GetAllowDuplicatesOnSamePage(pageModelData, localization),
NoCache = true // Don't cache the Page Model, because its contents are dynamic.
};
pageModel = smartTargetPageModel;
// Set SmartTargetRegionModel.MaxItem based on the Region Metadata
foreach (SmartTargetRegion smartTargetRegion in pageModel.Regions.OfType <SmartTargetRegion>())
{
string regionName = smartTargetRegion.Name;
RegionModelData regionModelData = pageModelData.Regions.First(r => r.Name == regionName);
int maxItems = 100; // Default
if ((regionModelData.Metadata != null) && regionModelData.Metadata.ContainsKey("maxItems"))
{
maxItems = GetInt(regionModelData.Metadata["maxItems"]);
}
smartTargetRegion.MaxItems = maxItems;
}
PopulateSmartTargetRegions(smartTargetPageModel, localization);
}
}
/// <summary>
/// Post-processes the Page Model constructed by the <see cref="DefaultModelBuilder"/>.
/// </summary>
/// <remarks>
/// This implementation relies on the <see cref="DefaultModelBuilder"/> already having constructed Region Models of type <see cref="SmartTargetRegion"/>.
/// We "upgrade" the Page Model to type <see cref="SmartTargetPageModel"/> and populate the ST Regions <see cref="SmartTargetPromotion"/> Entities.
/// </remarks>
public void BuildPageModel(ref PageModel pageModel, IPage page, IEnumerable <IPage> includes, ILocalization localization)
{
using (new Tracer(pageModel, page, includes, localization))
{
if ((pageModel == null) || !pageModel.Regions.OfType <SmartTargetRegion>().Any())
{
Log.Debug("No SmartTarget Regions on Page.");
return;
}
if ((page?.PageTemplate?.MetadataFields == null) || !page.PageTemplate.MetadataFields.ContainsKey("regions"))
{
Log.Debug("No Regions metadata found.");
return;
}
// "Upgrade" the PageModel to a SmartTargetPageModel, so we can store AllowDuplicates in the Page Model.
SmartTargetPageModel smartTargetPageModel = new SmartTargetPageModel(pageModel)
{
AllowDuplicates = GetAllowDuplicatesOnSamePage(page.PageTemplate, localization),
NoCache = true // Don't cache the Page Model, because its contents are dynamic.
};
pageModel = smartTargetPageModel;
// Set SmartTargetRegionModel.MaxItem based on the Region Metadata in the Page Template.
foreach (IFieldSet smartTargetRegionField in page.PageTemplate.MetadataFields["regions"].EmbeddedValues)
{
string regionName;
IField regionNameField;
if (smartTargetRegionField.TryGetValue("name", out regionNameField) && !string.IsNullOrEmpty(regionNameField.Value))
{
regionName = regionNameField.Value;
}
else
{
regionName = new MvcData(smartTargetRegionField["view"].Value).ViewName;
}
SmartTargetRegion smartTargetRegion = smartTargetPageModel.Regions[regionName] as SmartTargetRegion;
if (smartTargetRegion != null)
{
int maxItems = 100; // Default
IField maxItemsField;
if (smartTargetRegionField.TryGetValue("maxItems", out maxItemsField))
{
maxItems = Convert.ToInt32(maxItemsField.NumericValues[0]);
}
smartTargetRegion.MaxItems = maxItems;
}
}
PopulateSmartTargetRegions(smartTargetPageModel, localization);
}
}
private static ResultSet ExecuteSmartTargetQuery(SmartTargetPageModel smartTargetPageModel, Localization localization)
{
using (new Tracer(smartTargetPageModel, localization))
{
TcmUri pageUri = new TcmUri(String.Format("tcm:{0}-{1}-64", localization.LocalizationId, smartTargetPageModel.Id));
TcmUri publicationUri = new TcmUri(0, pageUri.PublicationId, 1);
ClaimStore claimStore = AmbientDataContext.CurrentClaimStore;
string triggers = AmbientDataHelper.GetTriggers(claimStore);
QueryBuilder queryBuilder = new QueryBuilder();
queryBuilder.Parse(triggers);
queryBuilder.AddCriteria(new PublicationCriteria(publicationUri));
queryBuilder.AddCriteria(new PageCriteria(pageUri));
// Adding all the page regions to the query for having only 1 query a page
foreach (SmartTargetRegion region in smartTargetPageModel.Regions.OfType <SmartTargetRegion>())
{
queryBuilder.AddCriteria(new RegionCriteria(region.Name));
}
return(queryBuilder.Execute());
}
}
/// <summary>
/// Post-processes the Page Model constructed by the <see cref="DefaultModelBuilder"/>.
/// </summary>
/// <remarks>
/// This implementation relies on the <see cref="DefaultModelBuilder"/> already having constructed Region Models of type <see cref="SmartTargetRegion"/>.
/// We "upgrade" the Page Model to type <see cref="SmartTargetPageModel"/> and populate the ST Regions <see cref="SmartTargetPromotion"/> Entities.
/// </remarks>
public void BuildPageModel(ref PageModel pageModel, IPage page, IEnumerable <IPage> includes, Localization localization)
{
using (new Tracer(pageModel, page, includes, localization))
{
if (pageModel == null || !pageModel.Regions.OfType <SmartTargetRegion>().Any())
{
Log.Debug("No SmartTarget Regions on Page.");
return;
}
if (page == null || page.PageTemplate == null || page.PageTemplate.MetadataFields == null || !page.PageTemplate.MetadataFields.ContainsKey("regions"))
{
Log.Debug("No Regions metadata found.");
return;
}
// "Upgrade" the PageModel to a SmartTargetPageModel, so we can store AllowDuplicates in the Page Model.
SmartTargetPageModel smartTargetPageModel = new SmartTargetPageModel(pageModel)
{
AllowDuplicates = GetAllowDuplicatesOnSamePage(page.PageTemplate, localization)
};
pageModel = smartTargetPageModel;
// Set SmartTargetRegionModel.MaxItem based on the Region Metadata in the Page Template.
foreach (IFieldSet smartTargetRegionField in page.PageTemplate.MetadataFields["regions"].EmbeddedValues)
{
string regionName;
IField regionNameField;
if (smartTargetRegionField.TryGetValue("name", out regionNameField) && !String.IsNullOrEmpty(regionNameField.Value))
{
regionName = regionNameField.Value;
}
else
{
regionName = new MvcData(smartTargetRegionField["view"].Value).ViewName;
}
SmartTargetRegion smartTargetRegion = smartTargetPageModel.Regions[regionName] as SmartTargetRegion;
if (smartTargetRegion != null)
{
int maxItems = smartTargetRegionField.ContainsKey("maxItems") ? Convert.ToInt32(smartTargetRegionField["maxItems"].Value) : 100;
smartTargetRegion.MaxItems = maxItems;
}
}
// Execute a ST Query for all SmartTargetRegions on the Page.
ResultSet resultSet = ExecuteSmartTargetQuery(smartTargetPageModel, localization);
Log.Debug("SmartTarget query returned {0} Promotions.", resultSet.Promotions.Count);
string promotionViewName = localization.GetConfigValue(PromotionViewNameConfig);
if (String.IsNullOrEmpty(promotionViewName))
{
Log.Warn("No View name for SmartTarget Promotions is configured on CM-side ({0})", PromotionViewNameConfig);
promotionViewName = "SmartTarget:Entity:Promotion";
}
Log.Debug("Using Promotion View '{0}'", promotionViewName);
List <string> itemsAlreadyOnPage = new List <string>();
ExperimentCookies existingExperimentCookies = CookieProcessor.GetExperimentCookies(HttpContext.Current.Request); // TODO: we shouldn't access HttpContext in a Model Builder.
// Filter the Promotions for each SmartTargetRegion
foreach (SmartTargetRegion smartTargetRegion in smartTargetPageModel.Regions.OfType <SmartTargetRegion>())
{
string regionName = smartTargetRegion.Name;
List <string> itemsOutputInRegion = new List <string>();
ExperimentCookies newExperimentCookies = new ExperimentCookies();
ExperimentDimensions experimentDimensions;
List <Promotion> promotions = new List <Promotion>(resultSet.Promotions);
ResultSet.FilterPromotions(promotions, regionName, smartTargetRegion.MaxItems, smartTargetPageModel.AllowDuplicates, itemsOutputInRegion,
itemsAlreadyOnPage, ref existingExperimentCookies, ref newExperimentCookies,
out experimentDimensions);
if (localization.IsStaging)
{
// The SmartTarget API provides the entire XPM markup tag; put it in XpmMetadata["Query"]. See SmartTargetRegion.GetStartQueryXpmMarkup.
smartTargetRegion.XpmMetadata = new Dictionary <string, object>
{
{ "Query", ResultSet.GetExperienceManagerMarkup(smartTargetRegion.Name, smartTargetRegion.MaxItems, promotions) }
};
}
// Create SmartTargetPromotion Entity Models for visible Promotions in the current SmartTargetRegion.
// It seems that ResultSet.FilterPromotions doesn't really filter on Region name, so we do post-filtering here.
foreach (Promotion promotion in promotions.Where(promotion => promotion.Visible && promotion.Region.Contains(regionName)))
{
SmartTargetPromotion smartTargetPromotion = CreatePromotionEntity(promotion, promotionViewName, smartTargetRegion.Name, localization);
if (!smartTargetRegion.HasSmartTargetContent)
{
// Discard any fallback content coming from Content Manager
smartTargetRegion.Entities.Clear();
smartTargetRegion.HasSmartTargetContent = true;
}
smartTargetRegion.Entities.Add(smartTargetPromotion);
}
}
}
}
private void PopulateSmartTargetRegions(SmartTargetPageModel smartTargetPageModel, ILocalization localization)
{
// Execute a ST Query for all SmartTargetRegions on the Page.
ResultSet resultSet = ExecuteSmartTargetQuery(smartTargetPageModel, localization);
Log.Debug($"SmartTarget query returned {resultSet.Promotions.Count} Promotions.");
string promotionViewName = localization.GetConfigValue(PromotionViewNameConfig);
if (String.IsNullOrEmpty(promotionViewName))
{
Log.Warn($"No View name for SmartTarget Promotions is configured on CM-side ({PromotionViewNameConfig})");
promotionViewName = "SmartTarget:Entity:Promotion";
}
Log.Debug($"Using Promotion View '{promotionViewName}'");
// TODO: we shouldn't access HttpContext in a Model Builder.
HttpContext httpContext = HttpContext.Current;
if (httpContext == null)
{
throw new DxaException("HttpContext is not available.");
}
List <string> itemsAlreadyOnPage = new List <string>();
ExperimentCookies existingExperimentCookies = CookieProcessor.GetExperimentCookies(httpContext.Request);
ExperimentCookies newExperimentCookies = new ExperimentCookies();
// Filter the Promotions for each SmartTargetRegion
foreach (SmartTargetRegion smartTargetRegion in smartTargetPageModel.Regions.OfType <SmartTargetRegion>())
{
string regionName = smartTargetRegion.Name;
List <string> itemsOutputInRegion = new List <string>();
ExperimentDimensions experimentDimensions;
List <Promotion> promotions = new List <Promotion>(resultSet.Promotions);
ResultSet.FilterPromotions(promotions, regionName, smartTargetRegion.MaxItems, smartTargetPageModel.AllowDuplicates, itemsOutputInRegion,
itemsAlreadyOnPage, ref existingExperimentCookies, ref newExperimentCookies,
out experimentDimensions);
if (experimentDimensions != null)
{
// The SmartTarget API doesn't set all ExperimentDimensions properties, but they are required by the ExperimentTrackingHandler (see CRQ-1667).
experimentDimensions.PublicationId = localization.GetCmUri();
experimentDimensions.PageId = localization.GetCmUri(smartTargetPageModel.Id, (int)ItemType.Page);
experimentDimensions.Region = smartTargetRegion.Name;
}
if (localization.IsXpmEnabled)
{
// The SmartTarget API provides the entire XPM markup tag; put it in XpmMetadata["Query"]. See SmartTargetRegion.GetStartQueryXpmMarkup.
smartTargetRegion.XpmMetadata = new Dictionary <string, object>
{
{ "Query", ResultSet.GetExperienceManagerMarkup(smartTargetRegion.Name, smartTargetRegion.MaxItems, promotions) }
};
}
// Create SmartTargetPromotion Entity Models for visible Promotions in the current SmartTargetRegion.
// It seems that ResultSet.FilterPromotions doesn't really filter on Region name, so we do post-filtering here.
foreach (Promotion promotion in promotions.Where(promotion => promotion.Visible && promotion.Regions.Contains(regionName)))
{
SmartTargetPromotion smartTargetPromotion = CreatePromotionEntity(promotion, promotionViewName, smartTargetRegion.Name, localization, experimentDimensions);
if (!smartTargetRegion.HasSmartTargetContent)
{
// Discard any fallback content coming from Content Manager
smartTargetRegion.Entities.Clear();
smartTargetRegion.HasSmartTargetContent = true;
}
smartTargetRegion.Entities.Add(smartTargetPromotion);
}
}
if (newExperimentCookies.Count > 0)
{
smartTargetPageModel.ExperimentCookies = newExperimentCookies;
}
}