discourse/app/models/search_log.rb

98 lines
2.6 KiB
Ruby

require_dependency 'enum'
class SearchLog < ActiveRecord::Base
belongs_to :topic, foreign_key: :clicked_topic_id
validates_presence_of :term, :ip_address
def self.search_types
@search_types ||= Enum.new(
header: 1,
full_page: 2
)
end
def self.log(term:, search_type:, ip_address:, user_id: nil)
search_type = search_types[search_type]
return [:error] unless search_type.present? && ip_address.present?
update_sql = <<~SQL
UPDATE search_logs
SET term = :term,
created_at = :created_at
WHERE created_at > :timeframe AND
position(term IN :term) = 1 AND
((:user_id IS NULL AND ip_address = :ip_address) OR
(user_id = :user_id))
RETURNING id
SQL
rows = exec_sql(
update_sql,
term: term,
created_at: Time.zone.now,
timeframe: 5.seconds.ago,
user_id: user_id,
ip_address: ip_address
)
if rows.cmd_tuples == 0
result = create(
term: term,
search_type: search_type,
ip_address: ip_address,
user_id: user_id
)
[:created, result.id]
else
[:updated, rows[0]['id'].to_i]
end
end
def self.trending(period = :all)
SearchLog.select("term,
COUNT(*) AS searches,
SUM(CASE
WHEN clicked_topic_id IS NOT NULL THEN 1
ELSE 0
END) AS click_through,
MODE() WITHIN GROUP (ORDER BY clicked_topic_id) AS clicked_topic_id,
COUNT(DISTINCT ip_address) AS unique")
.where('created_at > ?', start_of(period))
.group(:term)
.order('COUNT(*) DESC')
.limit(100).to_a
end
def self.start_of(period)
case period
when :yearly then 1.year.ago
when :monthly then 1.month.ago
when :quarterly then 3.months.ago
when :weekly then 1.week.ago
when :daily then 1.day.ago
else 1000.years.ago
end
end
def self.clean_up
search_id = SearchLog.order(:id).offset(SiteSetting.search_query_log_max_size).limit(1).pluck(:id)
if search_id.present?
SearchLog.where('id < ?', search_id[0]).delete_all
end
end
end
# == Schema Information
#
# Table name: search_logs
#
# id :integer not null, primary key
# term :string not null
# user_id :integer
# ip_address :inet not null
# clicked_topic_id :integer
# search_type :integer not null
# created_at :datetime not null
#