65 lines
1.7 KiB
Ruby
65 lines
1.7 KiB
Ruby
class CategoryFeaturedTopic < ActiveRecord::Base
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belongs_to :category
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belongs_to :topic
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# Populates the category featured topics
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def self.feature_topics
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transaction do
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current = {}
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CategoryFeaturedTopic.select(:topic_id, :category_id).order(:rank).each do |f|
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(current[f.category_id] ||= []) << f.topic_id
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end
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Category.select(:id, :topic_id).all.each do |c|
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feature_topics_for(c, current[c.id] || [])
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CategoryFeaturedUser.feature_users_in(c.id)
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end
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end
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end
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def self.feature_topics_for(c, existing=nil)
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return if c.blank?
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query = TopicQuery.new(self.fake_admin, per_page: SiteSetting.category_featured_topics, except_topic_ids: [c.topic_id], visible: true, no_definitions: true)
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results = query.list_category(c).topic_ids
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return if results == existing
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CategoryFeaturedTopic.transaction do
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CategoryFeaturedTopic.delete_all(category_id: c.id)
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if results
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results.each_with_index do |topic_id, idx|
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c.category_featured_topics.create(topic_id: topic_id, rank: idx)
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end
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end
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end
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end
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private
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def self.fake_admin
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# fake an admin
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admin = User.new
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admin.admin = true
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admin.id = -1
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admin
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end
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end
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# == Schema Information
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#
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# Table name: category_featured_topics
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#
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# category_id :integer not null
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# topic_id :integer not null
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# created_at :datetime
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# updated_at :datetime
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# rank :integer default(0), not null
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# id :integer not null, primary key
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#
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# Indexes
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#
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# cat_featured_threads (category_id,topic_id) UNIQUE
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# index_category_featured_topics_on_category_id_and_rank (category_id,rank)
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#
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