discourse/app/models/search_log.rb

132 lines
3.4 KiB
Ruby

require_dependency 'enum'
class SearchLog < ActiveRecord::Base
validates_presence_of :term, :ip_address
def self.search_types
@search_types ||= Enum.new(
header: 1,
full_page: 2
)
end
def self.search_result_types
@search_result_types ||= Enum.new(
topic: 1,
user: 2,
category: 3,
tag: 4
)
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.term_details(term, period = :weekly, search_type = :all)
details = []
result = SearchLog.select("COUNT(*) AS count, created_at::date AS date")
.where('term LIKE ?', term)
.where('created_at > ?', start_of(period))
result = result.where('search_type = ?', search_types[search_type]) if search_type == :header || search_type == :full_page
result = result.where('search_result_id IS NOT NULL') if search_type == :click_through_only
result.group(:term)
.order("date")
.group("date")
.each do |record|
details << { x: Date.parse(record['date'].to_s), y: record['count'] }
end
return {
type: "search_log_term",
title: I18n.t("search_logs.graph_title"),
data: details
}
end
def self.trending(period = :all, search_type = :all)
result = SearchLog.select("term,
COUNT(*) AS searches,
SUM(CASE
WHEN search_result_id IS NOT NULL THEN 1
ELSE 0
END) AS click_through,
COUNT(DISTINCT ip_address) AS unique")
.where('created_at > ?', start_of(period))
result = result.where('search_type = ?', search_types[search_type]) unless search_type == :all
result = result.group(:term)
.order('COUNT(DISTINCT ip_address) DESC, 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
# search_result_id :integer
# search_type :integer not null
# created_at :datetime not null
# search_result_type :integer
#