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Size: 1.54 KB
Versions: 21
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Contents
module Onebox
module Engine
class PubmedOnebox
include Engine
include LayoutSupport
matches_regexp Regexp.new("^https?://(?:(?:\\w)+\\.)?(www.ncbi.nlm.nih)\\.gov(?:/)?/pubmed/\\d+")
private
def get_xml
doc = Nokogiri::XML(open(URI.join(@url, "?report=xml&format=text")))
pre = doc.xpath("//pre")
Nokogiri::XML("<root>" + pre.text + "</root>")
end
def authors_of_xml(xml)
initials = xml.css("Initials").map{|x| x.content}
last_names = xml.css("LastName").map{|x| x.content}
author_list = (initials.zip(last_names)).map{|i,l| i + " " + l}
if author_list.length > 1 then
author_list[-2] = author_list[-2] + " and " + author_list[-1]
author_list.pop
end
author_list.join(", ")
end
def date_of_xml(xml)
date_arr = (xml.css("PubDate").children).map{|x| x.content}
date_arr = date_arr.select{|s| !s.match(/^\s+$/)}
date_arr = (date_arr.map{|s| s.split}).flatten
date_arr.sort.reverse.join(" ") # Reverse sort so month before year.
end
def data
xml = get_xml()
{
title: xml.css("ArticleTitle").text,
authors: authors_of_xml(xml),
journal: xml.css("Title").text,
abstract: xml.css("AbstractText").text,
date: date_of_xml(xml),
link: @url,
pmid: match[:pmid]
}
end
def match
@match ||= @url.match(%r{www\.ncbi\.nlm\.nih\.gov/pubmed/(?<pmid>[0-9]+)})
end
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems