require_dependency 'discourse' require 'ipaddr' class TopicLinkClick < ActiveRecord::Base belongs_to :topic_link, counter_cache: :clicks belongs_to :user validates_presence_of :topic_link_id validates_presence_of :ip_address # Create a click from a URL and post_id def self.create_from(args={}) # If the URL is absolute, allow HTTPS and HTTP versions of it if args[:url] =~ /^http/ http_url = args[:url].sub(/^https/, 'http') https_url = args[:url].sub(/^http\:/, 'https:') link = TopicLink.select([:id, :user_id]).where('url = ? OR url = ?', http_url, https_url) else link = TopicLink.select([:id, :user_id]).where(url: args[:url]) end # Find the forum topic link link = link.where(post_id: args[:post_id]) if args[:post_id].present? # If we don't have a post, just find the first occurance of the link link = link.where(topic_id: args[:topic_id]) if args[:topic_id].present? link = link.first # If no link is found, return the url for relative links unless link.present? return args[:url] if args[:url] =~ /^\// # If we have it somewhere else on the site, just allow the redirect. This is # likely due to a onebox of another topic. link = TopicLink.where(url: args[:url]).first return link.present? ? link.url : nil end return args[:url] if (args[:user_id] && (link.user_id == args[:user_id])) # Rate limit the click counts to once in 24 hours rate_key = "link-clicks:#{link.id}:#{args[:user_id] || args[:ip]}" if $redis.setnx(rate_key, "1") $redis.expire(rate_key, 1.day.to_i) create!(topic_link_id: link.id, user_id: args[:user_id], ip_address: args[:ip]) end args[:url] end end # == Schema Information # # Table name: topic_link_clicks # # id :integer not null, primary key # topic_link_id :integer not null # user_id :integer # created_at :datetime not null # updated_at :datetime not null # ip_address :inet not null # # Indexes # # index_forum_thread_link_clicks_on_forum_thread_link_id (topic_link_id) #