discourse/lib/oneboxer/oembed_onebox.rb
2013-02-26 07:31:35 +03:00

53 lines
1.2 KiB
Ruby

require 'open-uri'
require_dependency 'oneboxer/handlebars_onebox'
module Oneboxer
class OembedOnebox < HandlebarsOnebox
MAX_TEXT = 500
def oembed_endpoint
@url
end
def template
template_path('oembed_onebox')
end
def onebox
parsed = JSON.parse(open(oembed_endpoint).read)
# If it's a video, just embed the iframe
if %w(video rich).include?(parsed['type'])
# Return a preview of the thumbnail url, since iframes don't do well on previews
preview = nil
preview = "<img src='#{parsed['thumbnail_url']}'>" if parsed['thumbnail_url'].present?
return [parsed['html'], preview]
end
if %w(image photo).include?(parsed['type'])
return BaseOnebox.image_html(parsed['url'] || parsed['thumbnail_url'], parsed['title'], parsed['web_page'] || @url)
end
parsed['html'] ||= parsed['abstract']
begin
parsed_uri = URI.parse(@url)
parsed['host'] = parsed_uri.host.split('.').last(2).join('.')
rescue URI::InvalidURIError
# In case there is a problem with the URL, we just won't set the host
end
Mustache.render(File.read(template), parsed)
rescue OpenURI::HTTPError
nil
end
end
end