discourse/plugins/lazyYT/plugin.rb

45 lines
1.2 KiB
Ruby

# name: lazyYT
# about: Uses the lazyYT plugin to lazy load Youtube videos
# version: 0.1
# authors: Arpit Jalan
# javascript
register_asset "javascripts/lazyYT.js"
# stylesheet
register_asset "stylesheets/lazyYT.css"
register_asset "stylesheets/lazyYT_mobile.scss", :mobile
# freedom patch YouTube Onebox
class Onebox::Engine::YoutubeOnebox
include Onebox::Engine
def to_html
if video_id
# Put in the LazyYT div instead of the iframe
"<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-width=\"480\" data-height=\"270\" data-parameters=\"#{embed_params}\"></div>"
else
super
end
end
end
after_initialize do
Email::Styles.register_plugin_style do |fragment|
# YouTube onebox can't go in emails, so replace them with clickable links
fragment.css('.lazyYT').each do |i|
begin
src = "https://www.youtube.com/embed/#{i['data-youtube-id']}?autoplay=1&#{i['data-parameters']}"
src_uri = URI(src)
display_src = "https://#{src_uri.host}#{src_uri.path}"
i.replace "<p><a href='#{src_uri.to_s}'>#{display_src}</a><p>"
rescue URI::InvalidURIError
# If the URL is weird, remove it
i.remove
end
end
end
end