discourse/lib/onebox/engine/trello_onebox.rb

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# frozen_string_literal: true
module Onebox
module Engine
class TrelloOnebox
include Engine
include StandardEmbed
matches_regexp(%r{^https://trello\.com/[bc]/\W*})
requires_iframe_origins "https://trello.com"
always_https
def to_html
src = "https://trello.com/#{match[:type]}/#{match[:key]}.html"
height = match[:type] == "b" ? 400 : 200
<<-HTML
<iframe src="#{src}" width="100%" height="#{height}" frameborder="0" style="border:0"></iframe>
HTML
end
def placeholder_html
::Onebox::Helpers.generic_placeholder_html
end
private
def match
return @match if defined?(@match)
@match = @url.match(%{trello\.com/(?<type>[^/]+)/(?<key>[^/]+)/?\W*})
end
end
end
end