discourse/app/models/application_request.rb
2020-05-18 17:27:37 +08:00

116 lines
2.6 KiB
Ruby

# frozen_string_literal: true
class ApplicationRequest < ActiveRecord::Base
enum req_type: %i(http_total
http_2xx
http_background
http_3xx
http_4xx
http_5xx
page_view_crawler
page_view_logged_in
page_view_anon
page_view_logged_in_mobile
page_view_anon_mobile)
include CachedCounting
def self.disable
@enabled = false
end
def self.enable
@enabled = true
end
def self.increment!(type, opts = nil)
perform_increment!(redis_key(type), opts) if @enabled
end
def self.write_cache!(date = nil)
if date.nil?
write_cache!(Time.now.utc)
write_cache!(Time.now.utc.yesterday)
return
end
self.last_flush = Time.now.utc
date = date.to_date
req_types.each do |req_type, _|
val = get_and_reset(redis_key(req_type, date))
next if val == 0
id = req_id(date, req_type)
where(id: id).update_all(["count = count + ?", val])
end
rescue Redis::CommandError => e
raise unless e.message =~ /READONLY/
nil
end
def self.clear_cache!(date = nil)
if date.nil?
clear_cache!(Time.now.utc)
clear_cache!(Time.now.utc.yesterday)
return
end
req_types.each do |req_type, _|
key = redis_key(req_type, date)
Discourse.redis.del key
end
end
protected
def self.req_id(date, req_type, retries = 0)
req_type_id = req_types[req_type]
# a poor man's upsert
id = where(date: date, req_type: req_type_id).pluck_first(:id)
id ||= create!(date: date, req_type: req_type_id, count: 0).id
rescue # primary key violation
if retries == 0
req_id(date, req_type, 1)
else
raise
end
end
def self.redis_key(req_type, time = Time.now.utc)
"app_req_#{req_type}#{time.strftime('%Y%m%d')}"
end
def self.stats
s = HashWithIndifferentAccess.new({})
self.req_types.each do |key, i|
query = self.where(req_type: i)
s["#{key}_total"] = query.sum(:count)
s["#{key}_30_days"] = query.where("date > ?", 30.days.ago).sum(:count)
s["#{key}_7_days"] = query.where("date > ?", 7.days.ago).sum(:count)
end
s
end
end
# == Schema Information
#
# Table name: application_requests
#
# id :integer not null, primary key
# date :date not null
# req_type :integer not null
# count :integer default(0), not null
#
# Indexes
#
# index_application_requests_on_date_and_req_type (date,req_type) UNIQUE
#