public static List <PagePortfolioItem> GetPrevNext(this PagePortfolioItem item)
{
SectionPortfolio portfolioRoot = item.Ancestor <SectionPortfolio>();
PortfolioHelper h = new PortfolioHelper(portfolioRoot);
//Get a portfoliohelper to get items in the same order as defined in portfolio settings
IEnumerable <DGenericCategoryItem> categories = item.GetPickerItemsByValue <DGenericCategoryItem>(item.Categories);
//Get the next / previous item related to the current item
IEnumerable <PagePortfolioItem> allItems = h.GetPortfolioItems();
//See if we must restrict to current item's categories
if (portfolioRoot.NextPrevRestrictToCategories)
{
allItems = allItems.Where(x => x.Categories.IsContainedInCsv(item.Categories));
}
List <PagePortfolioItem> sandwitchedItems = allItems.FindSandwichedItem(x => x.Id == item.Id).ToList <PagePortfolioItem>();
//Remove current page fron list
sandwitchedItems.RemoveAt(1);
return(sandwitchedItems);
}
public static bool MustShowRelated(this PagePortfolioItem item)
{
SectionPortfolio portfolioRoot = item.Ancestor <SectionPortfolio>();
PortfolioHelper h = new PortfolioHelper(portfolioRoot);
if (string.IsNullOrEmpty(item.RelatedItems) && !portfolioRoot.RandomRelated)
{
return(false);
}
return(true);
}
public static IEnumerable <PagePortfolioItem> GetRelatedItems(this PagePortfolioItem item)
{
SectionPortfolio portfolioRoot = item.Ancestor <SectionPortfolio>();
PortfolioHelper h = new PortfolioHelper(portfolioRoot);
if (string.IsNullOrEmpty(item.RelatedItems) && portfolioRoot.RandomRelated)
{
IEnumerable <PagePortfolioItem> randomItems = h.GetPortfolioItemsRandom();
if (portfolioRoot.RandomRelatedRestrictToCategories)
{
return(randomItems.Where(x => x.Categories.IsContainedInCsv(item.Categories)).Take(h.GlobalRandomRelatedNumber));
}
else
{
return(randomItems.Take(h.GlobalRandomRelatedNumber));
}
}
else
{
return(item.GetPickerItemsByValue <PagePortfolioItem>(item.RelatedItems));
}
}