require_dependency 'topic_list' class SuggestedTopicsBuilder attr_reader :excluded_topic_ids def initialize(topic) @excluded_topic_ids = [topic.id] @category_id = topic.category_id @results = [] end def add_results(results, priority=:low) # WARNING .blank? will execute an Active Record query return unless results # Only add results if we don't have those topic ids already results = results.where('topics.id NOT IN (?)', @excluded_topic_ids) .where(closed: false, archived: false, visible: true) .to_a unless results.empty? # Keep track of the ids we've added @excluded_topic_ids.concat results.map {|r| r.id} splice_results(results,priority) end end def splice_results(results, priority) if @category_id && priority == :high && non_category_index = @results.index{|r| r.category_id != @category_id} category_results, non_category_results = results.partition{|r| r.category_id == @category_id} @results.insert non_category_index, *category_results @results.concat non_category_results else @results.concat results end end def results @results.first(SiteSetting.suggested_topics) end def results_left SiteSetting.suggested_topics - @results.size end def full? results_left <= 0 end def category_results_left SiteSetting.suggested_topics - @results.count{|r| r.category_id == @category_id} end def category_full? if @category_id else full? end end def size @results.size end end