47 lines
882 B
Ruby
47 lines
882 B
Ruby
class InlineOneboxer
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def initialize(urls)
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@urls = urls
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end
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def process
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@urls.map {|url| InlineOneboxer.lookup(url) }.compact
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end
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def self.clear_cache!
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end
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def self.cache_lookup(url)
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Rails.cache.read(cache_key(url))
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end
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def self.lookup(url)
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cached = cache_lookup(url)
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return cached if cached.present?
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if route = Discourse.route_for(url)
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if route[:controller] == "topics" &&
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route[:action] == "show" &&
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topic = (Topic.where(id: route[:topic_id].to_i).first rescue nil)
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# Only public topics
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if Guardian.new.can_see?(topic)
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onebox = { url: url, title: topic.title }
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Rails.cache.write(cache_key(url), onebox, expires_in: 1.day)
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return onebox
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end
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end
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end
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nil
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end
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private
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def self.cache_key(url)
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"inline_onebox:#{url}"
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end
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end
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