48 lines
1.4 KiB
Ruby
48 lines
1.4 KiB
Ruby
class IncomingLink < ActiveRecord::Base
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belongs_to :topic
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validates :domain, length: { in: 1..100 }
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validates :referer, length: { in: 3..1000 }
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validates :url, presence: true
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before_validation :extract_domain
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before_validation :extract_topic_and_post
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after_create :update_link_counts
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# Internal: Extract the domain from link.
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def extract_domain
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if referer.present?
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self.domain = URI.parse(referer).host
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end
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end
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# Internal: If link is internal and points to topic/post, extract their IDs.
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def extract_topic_and_post
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if url.present?
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parsed = URI.parse(url)
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begin
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params = Rails.application.routes.recognize_path(parsed.path)
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self.topic_id = params[:topic_id]
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self.post_number = params[:post_number]
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rescue ActionController::RoutingError
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# If we can't route to the url, that's OK. Don't save those two fields.
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end
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end
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end
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# Internal: Update appropriate link counts.
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def update_link_counts
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if topic_id.present?
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exec_sql("UPDATE topics
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SET incoming_link_count = incoming_link_count + 1
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WHERE id = ?", topic_id)
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if post_number.present?
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exec_sql("UPDATE posts
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SET incoming_link_count = incoming_link_count + 1
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WHERE topic_id = ? and post_number = ?", topic_id, post_number)
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end
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end
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end
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end
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