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This allows text editors to use correct syntax coloring for the heredoc sections. Heredoc tag names we use: languages: SQL, JS, RUBY, LUA, HTML, CSS, SCSS, SH, HBS, XML, YAML/YML, MF, ICS other: MD, TEXT/TXT, RAW, EMAIL
77 lines
2.3 KiB
Ruby
77 lines
2.3 KiB
Ruby
# frozen_string_literal: true
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# name: lazy-yt
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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/main/plugins/lazy-yt
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# transpile_js: true
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hide_plugin if self.respond_to?(:hide_plugin)
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require "onebox"
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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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size_restricted = [params['width'], params['height']].any?
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video_width = (params['width'] && params['width'].to_i <= 695) ? params['width'] : 690 # embed width
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video_height = (params['height'] && params['height'].to_i <= 500) ? params['height'] : 388 # embed height
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size_tags = ["width=\"#{video_width}\"", "height=\"#{video_height}\""]
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result = parse_embed_response
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result ||= get_opengraph.data
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thumbnail_url = result[:image] || "https://img.youtube.com/vi/#{video_id}/hqdefault.jpg"
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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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<<~HTML
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<div class="onebox lazyYT lazyYT-container"
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data-youtube-id="#{video_id}"
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data-youtube-title="#{escaped_title}"
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#{size_restricted ? size_tags.map { |t| "data-#{t}" }.join(' ') : ""}
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data-parameters="#{embed_params}">
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<a href="https://www.youtube.com/watch?v=#{video_id}" target="_blank">
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<img class="ytp-thumbnail-image"
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src="#{thumbnail_url}"
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#{size_restricted ? size_tags.join(' ') : ""}
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title="#{escaped_title}">
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</a>
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</div>
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HTML
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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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on(:reduce_cooked) do |fragment|
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fragment.css(".lazyYT").each do |yt|
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begin
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youtube_id = yt["data-youtube-id"]
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parameters = yt["data-parameters"]
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uri = URI("https://www.youtube.com/embed/#{youtube_id}?autoplay=1&#{parameters}")
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yt.replace %{<p><a href="#{uri.to_s}">https://#{uri.host}#{uri.path}</a></p>}
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rescue URI::InvalidURIError
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# remove any invalid/weird URIs
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yt.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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