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51 lines
1.7 KiB
Ruby
51 lines
1.7 KiB
Ruby
# name: lazyYT
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# about: Uses the lazyYT plugin to lazy load Youtube videos
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# version: 1.0.1
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# authors: Arpit Jalan
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# url: https://github.com/discourse/discourse/tree/master/plugins/lazyYT
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# javascript
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register_asset "javascripts/lazyYT.js"
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# stylesheet
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register_asset "stylesheets/lazyYT.css"
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register_asset "stylesheets/lazyYT_mobile.scss", :mobile
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# freedom patch YouTube Onebox
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class Onebox::Engine::YoutubeOnebox
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include Onebox::Engine
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alias_method :yt_onebox_to_html, :to_html
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def to_html
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if video_id && !params['list']
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video_width = (params['width'] && params['width'].to_i <= 695) ? params['width'] : 480 # embed width
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video_height = (params['height'] && params['height'].to_i <= 500) ? params['height'] : 270 # embed height
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# Put in the LazyYT div instead of the iframe
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escaped_title = ERB::Util.html_escape(video_title)
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"<div class=\"lazyYT\" data-youtube-id=\"#{video_id}\" data-youtube-title=\"#{escaped_title}\" data-width=\"#{video_width}\" data-height=\"#{video_height}\" data-parameters=\"#{embed_params}\"></div>"
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else
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yt_onebox_to_html
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end
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end
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end
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after_initialize do
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Email::Styles.register_plugin_style do |fragment|
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# YouTube onebox can't go in emails, so replace them with clickable links
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fragment.css('.lazyYT').each do |i|
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begin
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src = "https://www.youtube.com/embed/#{i['data-youtube-id']}?autoplay=1&#{i['data-parameters']}"
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src_uri = URI(src)
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display_src = "https://#{src_uri.host}#{src_uri.path}"
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i.replace "<p><a href='#{src_uri.to_s}'>#{display_src}</a><p>"
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rescue URI::InvalidURIError
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# If the URL is weird, remove it
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i.remove
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end
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end
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end
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end
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