discourse/lib/email_styles.rb

42 lines
909 B
Ruby

#
# HTML emails don't support CSS, so we can use nokogiri to inline attributes based on
# matchers.
#
class EmailStyles
def initialize(html)
@html = html
end
def format
fragment = Nokogiri::HTML.fragment(@html)
fragment.css('h3').each do |h3|
h3['style'] = 'margin: 15px 0 20px 0; border-bottom: 1px solid #ddd;'
end
fragment.css('hr').each do |hr|
hr['style'] = 'background-color: #ddd; height: 1px; border: 1px;'
end
fragment.css('a').each do |a|
a['style'] = 'text-decoration: none; font-weight: bold; font-size: 15px; color: #006699;'
end
fragment.css('ul').each do |ul|
ul['style'] = 'margin: 0 0 0 10px; padding: 0 0 0 20px;'
end
fragment.css('li').each do |li|
li['style'] = 'padding-bottom: 10px'
end
fragment.css('pre').each do |pre|
pre.replace(pre.text)
end
fragment.to_html
end
end