mirror of
https://github.com/discourse/discourse.git
synced 2024-11-23 20:54:31 +08:00
75 lines
2.2 KiB
Ruby
75 lines
2.2 KiB
Ruby
require_dependency 'discourse'
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require 'ipaddr'
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class TopicLinkClick < ActiveRecord::Base
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belongs_to :topic_link, counter_cache: :clicks
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belongs_to :user
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validates_presence_of :topic_link_id
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validates_presence_of :ip_address
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# Create a click from a URL and post_id
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def self.create_from(args={})
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# If the URL is absolute, allow HTTPS and HTTP versions of it
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if args[:url] =~ /^http/
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http_url = args[:url].sub(/^https/, 'http')
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https_url = args[:url].sub(/^http\:/, 'https:')
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link = TopicLink.select([:id, :user_id]).where('url = ? OR url = ?', http_url, https_url)
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else
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link = TopicLink.select([:id, :user_id]).where(url: args[:url])
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end
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# Find the forum topic link
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link = link.where(post_id: args[:post_id]) if args[:post_id].present?
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# If we don't have a post, just find the first occurance of the link
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link = link.where(topic_id: args[:topic_id]) if args[:topic_id].present?
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link = link.first
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# If no link is found, return the url for relative links
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unless link.present?
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return args[:url] if args[:url] =~ /^\//
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begin
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uri = URI.parse(args[:url])
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return args[:url] if uri.host == URI.parse(Discourse.base_url).host
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rescue
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end
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# If we have it somewhere else on the site, just allow the redirect. This is
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# likely due to a onebox of another topic.
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link = TopicLink.find_by(url: args[:url])
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return link.present? ? link.url : nil
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end
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return args[:url] if (args[:user_id] && (link.user_id == args[:user_id]))
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# Rate limit the click counts to once in 24 hours
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rate_key = "link-clicks:#{link.id}:#{args[:user_id] || args[:ip]}"
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if $redis.setnx(rate_key, "1")
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$redis.expire(rate_key, 1.day.to_i)
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create!(topic_link_id: link.id, user_id: args[:user_id], ip_address: args[:ip])
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end
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args[:url]
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end
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end
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# == Schema Information
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#
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# Table name: topic_link_clicks
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#
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# id :integer not null, primary key
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# topic_link_id :integer not null
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# user_id :integer
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# created_at :datetime not null
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# updated_at :datetime not null
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# ip_address :inet not null
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#
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# Indexes
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#
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# by_link (topic_link_id)
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#
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