discourse/app/models/directory_item.rb

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# frozen_string_literal: true
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
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@types ||= Enum.new(all: 1,
yearly: 2,
monthly: 3,
weekly: 4,
daily: 5,
quarterly: 6)
end
def self.refresh!
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period_types.each_key { |p| refresh_period!(p) }
end
def self.last_updated_at(period_type)
val = Discourse.redis.get("directory_#{period_type}")
return nil if val.nil?
Time.zone.at(val.to_i)
end
def self.refresh_period!(period_type, force: false)
Discourse.redis.set("directory_#{period_types[period_type]}", Time.zone.now.to_i)
# Don't calculate it if the user directory is disabled
return unless SiteSetting.enable_user_directory? || force
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since =
case period_type
when :daily then 1.day.ago
when :weekly then 1.week.ago
when :monthly then 1.month.ago
when :quarterly then 3.months.ago
when :yearly then 1.year.ago
else 1000.years.ago
end
ActiveRecord::Base.transaction do
# Delete records that belonged to users who have been deleted
DB.exec "DELETE FROM directory_items
USING directory_items di
LEFT JOIN users u ON (u.id = user_id AND u.active AND u.silenced_till IS NULL AND u.id > 0)
WHERE di.id = directory_items.id AND
u.id IS NULL AND
di.period_type = :period_type", period_type: period_types[period_type]
# Create new records for users who don't have one yet
DB.exec "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,
0,
0,
0,
0,
0,
0,
0
FROM users u
LEFT JOIN directory_items di ON di.user_id = u.id AND di.period_type = :period_type
WHERE di.id IS NULL AND u.id > 0 AND u.silenced_till IS NULL AND u.active
#{SiteSetting.must_approve_users ? 'AND u.approved' : ''}
", period_type: period_types[period_type]
# Calculate new values and update records
#
#
# TODO
# WARNING: post_count is a wrong name, it should be reply_count (excluding topic post)
#
DB.exec "WITH x AS (SELECT
u.id user_id,
SUM(CASE WHEN p.id IS NOT NULL AND t.id IS NOT NULL AND ua.action_type = :was_liked_type THEN 1 ELSE 0 END) likes_received,
SUM(CASE WHEN p.id IS NOT NULL AND t.id IS NOT NULL AND ua.action_type = :like_type THEN 1 ELSE 0 END) likes_given,
COALESCE((SELECT COUNT(topic_id) FROM topic_views AS v WHERE v.user_id = u.id AND v.viewed_at > :since), 0) topics_entered,
COALESCE((SELECT COUNT(id) FROM user_visits AS uv WHERE uv.user_id = u.id AND uv.visited_at > :since), 0) days_visited,
COALESCE((SELECT SUM(posts_read) FROM user_visits AS uv2 WHERE uv2.user_id = u.id AND uv2.visited_at > :since), 0) posts_read,
SUM(CASE WHEN t2.id IS NOT NULL AND ua.action_type = :new_topic_type THEN 1 ELSE 0 END) topic_count,
SUM(CASE WHEN p.id IS NOT NULL AND t.id IS NOT NULL AND ua.action_type = :reply_type THEN 1 ELSE 0 END) post_count
FROM users AS u
LEFT OUTER JOIN user_actions AS ua ON ua.user_id = u.id AND COALESCE(ua.created_at, :since) > :since
LEFT OUTER JOIN posts AS p ON ua.target_post_id = p.id AND p.deleted_at IS NULL AND p.post_type = :regular_post_type AND NOT p.hidden
LEFT OUTER JOIN topics AS t ON p.topic_id = t.id AND t.archetype = 'regular' AND t.deleted_at IS NULL AND t.visible
LEFT OUTER JOIN topics AS t2 ON t2.id = ua.target_topic_id AND t2.archetype = 'regular' AND t2.deleted_at IS NULL AND t2.visible
LEFT OUTER JOIN categories AS c ON t.category_id = c.id
WHERE u.active
AND u.silenced_till IS NULL
AND u.id > 0
GROUP BY u.id)
UPDATE directory_items di SET
likes_received = x.likes_received,
likes_given = x.likes_given,
topics_entered = x.topics_entered,
days_visited = x.days_visited,
posts_read = x.posts_read,
topic_count = x.topic_count,
post_count = x.post_count
FROM x
WHERE
x.user_id = di.user_id AND
di.period_type = :period_type AND (
di.likes_received <> x.likes_received OR
di.likes_given <> x.likes_given OR
di.topics_entered <> x.topics_entered OR
di.days_visited <> x.days_visited OR
di.posts_read <> x.posts_read OR
di.topic_count <> x.topic_count OR
di.post_count <> x.post_count )
",
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]
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if period_type == :all
DB.exec <<~SQL
UPDATE user_stats s
SET likes_given = d.likes_given,
likes_received = d.likes_received,
topic_count = d.topic_count,
post_count = d.post_count
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FROM directory_items d
WHERE s.user_id = d.user_id AND
d.period_type = 1 AND
( s.likes_given <> d.likes_given OR
s.likes_received <> d.likes_received OR
s.topic_count <> d.topic_count OR
s.post_count <> d.post_count
)
SQL
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end
end
end
end
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# == Schema Information
#
# Table name: directory_items
#
# id :integer not null, primary key
# period_type :integer not null
# user_id :integer not null
# likes_received :integer not null
# likes_given :integer not null
# topics_entered :integer not null
# topic_count :integer not null
# post_count :integer not null
# created_at :datetime
# updated_at :datetime
# days_visited :integer default(0), not null
# posts_read :integer default(0), not null
#
# Indexes
#
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# index_directory_items_on_days_visited (days_visited)
# index_directory_items_on_likes_given (likes_given)
# index_directory_items_on_likes_received (likes_received)
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# index_directory_items_on_period_type_and_user_id (period_type,user_id) UNIQUE
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# index_directory_items_on_post_count (post_count)
# index_directory_items_on_posts_read (posts_read)
# index_directory_items_on_topic_count (topic_count)
# index_directory_items_on_topics_entered (topics_entered)
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#