discourse/lib/onebox/engine/imgur_onebox.rb

68 lines
2.1 KiB
Ruby

# frozen_string_literal: true
module Onebox
module Engine
class ImgurOnebox
include Engine
include StandardEmbed
matches_regexp(/^https?:\/\/(www\.)?imgur\.com/)
always_https
def to_html
og = get_opengraph
return video_html(og) if !og.video_secure_url.nil?
return album_html(og) if is_album?
return image_html(og) if !og.image.nil?
nil
end
private
def video_html(og)
<<-HTML
<video width='#{og.video_width}' height='#{og.video_height}' #{og.title_attr} controls loop>
<source src='#{og.video_secure_url}' type='video/mp4'>
<source src='#{og.video_secure_url.gsub('mp4', 'webm')}' type='video/webm'>
</video>
HTML
end
def album_html(og)
escaped_url = ::Onebox::Helpers.normalize_url_for_output(url)
album_title = "[Album] #{og.title}"
<<-HTML
<div class='onebox imgur-album'>
<a href='#{escaped_url}' target='_blank' rel='noopener'>
<span class='outer-box' style='width:#{og.image_width}px'>
<span class='inner-box'>
<span class='album-title'>#{album_title}</span>
</span>
</span>
<img src='#{og.secure_image_url}' #{og.title_attr} height='#{og.image_height}' width='#{og.image_width}'>
</a>
</div>
HTML
end
def is_album?
response = Onebox::Helpers.fetch_response("https://api.imgur.com/oembed.json?url=#{url}") rescue "{}"
oembed_data = Onebox::Helpers.symbolize_keys(::MultiJson.load(response))
imgur_data_id = Nokogiri::HTML(oembed_data[:html]).xpath("//blockquote").attr("data-id")
imgur_data_id.to_s[/a\//]
end
def image_html(og)
escaped_url = ::Onebox::Helpers.normalize_url_for_output(url)
<<-HTML
<a href='#{escaped_url}' target='_blank' rel='noopener' class="onebox">
<img src='#{og.secure_image_url.chomp("?fb")}' #{og.title_attr} alt='Imgur'>
</a>
HTML
end
end
end
end