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# frozen_string_literal: true
class OpenGraphCache < ApplicationRecord
validates :title, :presence => true
validates :ob_type, :presence => true
validates :image, :presence => true
validates :url, :presence => true
has_many :posts
acts_as_api
api_accessible :backbone do |t|
t.add :title
t.add :ob_type
t.add :image
t.add :description
t.add :url
t.add :video_url
end
def image
if AppConfig.privacy.camo.proxy_opengraph_thumbnails?
Diaspora::Camo.image_url(self[:image])
else
self[:image]
end
end
def self.find_or_create_by(opts)
cache = OpenGraphCache.find_or_initialize_by(opts)
cache.fetch_and_save_opengraph_data! unless cache.persisted?
cache if cache.persisted? # Make this an after create callback and drop this method ?
end
def fetch_and_save_opengraph_data!
uri = URI.parse(url.start_with?("http") ? url : "http://#{url}")
uri.normalize!
object = OpenGraphReader.fetch!(uri)
return unless object
self.title = object.og.title.truncate(255)
self.ob_type = object.og.type
self.image = object.og.image.url
self.url = object.og.url
self.description = object.og.description
if object.og.video.try(:secure_url) && secure_video_url?(object.og.video.secure_url)
self.video_url = object.og.video.secure_url
end
self.save
rescue OpenGraphReader::NoOpenGraphDataError, OpenGraphReader::InvalidObjectError
end
def secure_video_url?(url)
SECURE_OPENGRAPH_VIDEO_URLS.any? {|u| u =~ url }
end
end
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