Files

66 lines
2.3 KiB
Ruby

module PortalHomeData
extend ActiveSupport::Concern
private
def load_home_data
load_recommended_content
# The classic hero only needs the recommendations above; the rest is
# documentation-layout home data (also used on custom-domain home pages).
return unless @portal.layout == 'documentation'
@visible_categories = @portal.categories
.where(locale: @locale)
.joins(:articles).where(articles: { status: :published })
.order(position: :asc)
.group('categories.id')
@popular_topics = @recommended_categories.presence || @visible_categories.first(3)
@featured = base_articles.order_by_views.limit(6)
@category_contributors = build_category_contributors(@visible_categories)
end
def load_recommended_content
@recommended_categories = recommended_categories
@recommended_articles = recommended_articles
end
def base_articles
@base_articles ||= @portal.articles.published.where(locale: @locale).includes(:author, :category)
end
# Admin-recommended categories for the locale, in the chosen order. Unlike the
# position-based fallback, published articles aren't required: the admin's pick wins.
def recommended_categories
ids = @portal.popular_category_ids(@locale)
ordered_by_ids(@portal.categories.where(locale: @locale, id: ids), ids)
end
# Admin-recommended articles for the locale, in the chosen order, limited to
# published articles that still exist.
def recommended_articles
ids = @portal.popular_article_ids(@locale)
ordered_by_ids(base_articles.where(id: ids), ids)
end
# Loads the scope and returns its records ordered to match `ids`, dropping any
# that no longer exist. Skips the query entirely when `ids` is blank.
def ordered_by_ids(scope, ids)
return [] if ids.blank?
by_id = scope.index_by(&:id)
ids.filter_map { |id| by_id[id] }
end
def build_category_contributors(categories)
category_ids = categories.map(&:id)
return {} if category_ids.empty?
@portal.articles
.published
.where(locale: @locale, category_id: category_ids)
.includes(:author)
.group_by(&:category_id)
.transform_values { |articles| articles.filter_map(&:author).uniq.first(3) }
end
end