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b385cdcc34
* Created a TopicFeatureUsers model * Topic#featured_user_ids and Topic#feature_topic_users now delegate to * a TopicFeatureUsers instance to keep demeter happy.
52 lines
1.2 KiB
Ruby
52 lines
1.2 KiB
Ruby
class TopicFeaturedUsers
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attr_reader :topic
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def initialize(topic)
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@topic = topic
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end
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def self.count
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4
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end
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# Chooses which topic users to feature
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def choose(args={})
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topic.reload unless rails4?
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clear
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update keys(args)
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topic.save
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end
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def user_ids
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[topic.featured_user1_id,
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topic.featured_user2_id,
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topic.featured_user3_id,
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topic.featured_user4_id].uniq.compact
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end
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private
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def keys(args)
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# Don't include the OP or the last poster
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to_feature = topic.posts.where('user_id NOT IN (?, ?)', topic.user_id, topic.last_post_user_id)
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# Exclude a given post if supplied (in the case of deletes)
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to_feature = to_feature.where("id <> ?", args[:except_post_id]) if args[:except_post_id].present?
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# Assign the featured_user{x} columns
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to_feature.group(:user_id).order('count_all desc').limit(TopicFeaturedUsers.count).count.keys
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end
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def clear
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TopicFeaturedUsers.count.times do |i|
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topic.send("featured_user#{i+1}_id=", nil)
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end
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end
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def update(user_keys)
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user_keys.each_with_index do |user_id, i|
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topic.send("featured_user#{i+1}_id=", user_id)
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end
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end
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end
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