private IEnumerable <ArticleItemViewModel> GetArticles()
{
if (this.ReferenceDate != null)
{
return(ArticleModel.GetAuthorArticlesByMonth(this.Author.Slug, this.ReferenceDate.Reference)
.Select(a => new ArticleItemViewModel(a)));
}
return(ArticleModel.GetRecentArticlesByAuthor(this.Author.Slug)
.Select(a => new ArticleItemViewModel(a)));
}