discourse/app/models/topic_link_click.rb

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require_dependency 'discourse'
require 'ipaddr'
class TopicLinkClick < ActiveRecord::Base
belongs_to :topic_link, counter_cache: :clicks
belongs_to :user
has_ip_address :ip
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validates_presence_of :topic_link_id
validates_presence_of :ip
# Create a click from a URL and post_id
def self.create_from(args={})
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# Find the forum topic link
link = TopicLink.select(:id).where(url: args[:url])
link = link.where("user_id <> ?", args[:user_id]) if args[:user_id].present?
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
return unless link.present?
# 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: 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
# ip :integer not null
# created_at :datetime not null
# updated_at :datetime not null
#
# Indexes
#
# index_forum_thread_link_clicks_on_forum_thread_link_id (topic_link_id)
#