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# File 'lib/content-preview/parser.rb', line 53
def process_meta_data(document, url)
unless self.title
unless document.css('title').empty?
self.title = document.css('title').text
end
end
if self.images.empty?
list = []
document.traverse do |el|
[el[:src], el[:href]].grep(/\.(jpg)$/i).map{|l| URI.join(url, l).to_s}.first(10).each do |image|
list << image
end
end
self.images = list
end
unless self.description
unless document.xpath('//meta[starts-with(@name, "")]').empty?
for tag in document.xpath('//meta[starts-with(@name, "")]') do
if %w(description).include?(tag.first.last)
self.description = tag['content']
end
end
end
end
end
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