discourse/lib/oneboxer/base.rb

45 lines
982 B
Ruby

module Oneboxer
class << self
def parse_open_graph(doc)
result = {}
%w(title type image url description).each do |prop|
node = doc.at("/html/head/meta[@property='og:#{prop}']")
result[prop] = (node['content'] || node['value']) if node
end
# If there's no description, try and get one from the meta tags
if result['description'].blank?
node = doc.at("/html/head/meta[@name='description']")
result['description'] = node['content'] if node
end
if result['description'].blank?
node = doc.at("/html/head/meta[@name='Description']")
result['description'] = node['content'] if node
end
result
end
end
module Base
def matchers
@matchers ||= {}
@matchers
end
# Add a matcher
def add_matcher(regexp, klass)
matchers[regexp] = klass
end
def add_onebox(klass)
matchers[klass.regexp] = klass
end
end
end