discourse/app/models/directory_item.rb

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class DirectoryItem < ActiveRecord::Base
belongs_to :user
has_one :user_stat, foreign_key: :user_id, primary_key: :user_id
def self.headings
@headings ||= [:likes_received,
:likes_given,
:topics_entered,
:topic_count,
:post_count,
:posts_read,
:days_visited]
end
def self.period_types
@types ||= Enum.new(:all, :yearly, :monthly, :weekly, :daily)
end
def self.refresh!
period_types.each_key {|p| refresh_period!(p)}
end
def self.refresh_period!(period_type)
# Don't calculate it if the user directory is disabled
return unless SiteSetting.enable_user_directory?
since = case period_type
when :daily then 1.day.ago
when :weekly then 1.week.ago
when :monthly then 1.month.ago
when :yearly then 1.year.ago
else 1000.years.ago
end
ActiveRecord::Base.transaction do
exec_sql "DELETE FROM directory_items WHERE period_type = :period_type", period_type: period_types[period_type]
exec_sql "INSERT INTO directory_items
(period_type, user_id, likes_received, likes_given, topics_entered, days_visited, posts_read, topic_count, post_count)
SELECT
:period_type,
u.id,
SUM(CASE WHEN ua.action_type = :was_liked_type THEN 1 ELSE 0 END),
SUM(CASE WHEN ua.action_type = :like_type THEN 1 ELSE 0 END),
COALESCE((SELECT COUNT(topic_id) FROM topic_views AS v WHERE v.user_id = u.id AND v.viewed_at >= :since), 0),
COALESCE((SELECT COUNT(id) FROM user_visits AS uv WHERE uv.user_id = u.id AND uv.visited_at >= :since), 0),
COALESCE((SELECT SUM(posts_read) FROM user_visits AS uv2 WHERE uv2.user_id = u.id AND uv2.visited_at >= :since), 0),
SUM(CASE WHEN ua.action_type = :new_topic_type THEN 1 ELSE 0 END),
SUM(CASE WHEN ua.action_type = :reply_type THEN 1 ELSE 0 END)
FROM users AS u
LEFT OUTER JOIN user_actions AS ua ON ua.user_id = u.id
LEFT OUTER JOIN topics AS t ON ua.target_topic_id = t.id AND t.archetype = 'regular'
LEFT OUTER JOIN posts AS p ON ua.target_post_id = p.id
LEFT OUTER JOIN categories AS c ON t.category_id = c.id
WHERE u.active
AND NOT u.blocked
AND COALESCE(ua.created_at, :since) >= :since
AND t.deleted_at IS NULL
AND COALESCE(t.visible, true)
AND p.deleted_at IS NULL
AND (NOT (COALESCE(p.hidden, false)))
AND COALESCE(p.post_type, :regular_post_type) = :regular_post_type
AND u.id > 0
GROUP BY u.id",
period_type: period_types[period_type],
since: since,
like_type: UserAction::LIKE,
was_liked_type: UserAction::WAS_LIKED,
new_topic_type: UserAction::NEW_TOPIC,
reply_type: UserAction::REPLY,
regular_post_type: Post.types[:regular]
end
end
end