discourse/app/models/view.rb

49 lines
1.2 KiB
Ruby
Raw Normal View History

2013-02-05 14:16:51 -05:00
require 'ipaddr'
class View < ActiveRecord::Base
2013-02-07 10:45:24 -05:00
belongs_to :parent, polymorphic: true
2013-02-05 14:16:51 -05:00
belongs_to :user
validates_presence_of :parent_type, :parent_id, :ip_address, :viewed_at
2013-02-05 14:16:51 -05:00
# TODO: This could happen asyncronously
def self.create_for(parent, ip, user=nil)
2013-02-07 10:45:24 -05:00
2013-02-05 14:16:51 -05:00
# Only store a view once per day per thing per user per ip
redis_key = "view:#{parent.class.name}:#{parent.id}:#{Date.today.to_s}"
if user.present?
redis_key << ":user-#{user.id}"
else
redis_key << ":ip-#{ip}"
end
if $redis.setnx(redis_key, "1")
$redis.expire(redis_key, 1.day.to_i)
View.transaction do
View.create(parent: parent, ip_address: ip, viewed_at: Date.today, user: user)
2013-02-05 14:16:51 -05:00
# Update the views count in the parent, if it exists.
if parent.respond_to?(:views)
parent.class.where(id: parent.id).update_all 'views = views + 1'
2013-02-05 14:16:51 -05:00
end
end
end
end
end
# == Schema Information
#
# Table name: views
#
# parent_id :integer not null
# parent_type :string(50) not null
# viewed_at :date not null
# user_id :integer
# ip_address :string not null
#
# Indexes
#
# index_views_on_parent_id_and_parent_type (parent_id,parent_type)
#