public static IEnumerable <IPublishedContent> FilterSelection(IEnumerable <IPublishedContent> source, string author, string category, string month, string year)
{
var filterByCategory = !string.IsNullOrWhiteSpace(category);
var filterByAuthor = !string.IsNullOrWhiteSpace(author);
if (filterByAuthor && filterByCategory)
{
var postsInCategory = DataHelpers.FilterByPrevalueName(source, "category", category);
var postsByAuthor = DataHelpers.FilterByPrevalueName(source, "author", author);
source = postsInCategory.Intersect(postsByAuthor).ToList();
}
else
{
if (filterByAuthor)
{
source = DataHelpers.FilterByPrevalueName(source, "author", author);
}
if (filterByCategory)
{
source = DataHelpers.FilterByPrevalueName(source, "category", category);
}
}
if (!string.IsNullOrWhiteSpace(year))
{
source = DataHelpers.FilterByYearAndMonth(source, month, year, "releaseDate");
}
return(source);
}
public static IEnumerable <IPublishedContent> FilterSelection(IEnumerable <IPublishedContent> source, string category, string month, string year)
{
if (!string.IsNullOrWhiteSpace(category))
{
source = FilterByDocumentTypeUrlSegment(source, category);
}
if (!string.IsNullOrWhiteSpace(year))
{
source = DataHelpers.FilterByYearAndMonth(source, month, year, "releaseDate");
}
return(source);
}
public static IEnumerable <IPublishedContent> AllFilteredNewsArticles(UmbracoHelper umbraco, string category, string month, string year)
{
var allNewsArticles = AllOrderedArticles(umbraco);
if (!string.IsNullOrWhiteSpace(category))
{
allNewsArticles = FilterByDocumentTypeUrlSegment(allNewsArticles, category);
}
if (!string.IsNullOrWhiteSpace(year))
{
allNewsArticles = DataHelpers.FilterByYearAndMonth(allNewsArticles, year, month, "releaseDate");
}
return(allNewsArticles);
}
