discourse/app/models/topic_featured_users.rb

57 lines
1.3 KiB
Ruby

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