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110 lines
3.3 KiB
Ruby
110 lines
3.3 KiB
Ruby
#
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# HTML emails don't support CSS, so we can use nokogiri to inline attributes based on
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# matchers.
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#
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module Email
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class Styles
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def initialize(html)
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@html = html
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@fragment = Nokogiri::HTML.fragment(@html)
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end
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def format_basic
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@fragment.css('img').each do |img|
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if img['src'] =~ /\/assets\/emoji\//
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img['width'] = 20
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img['height'] = 20
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else
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img['style'] = "max-width: 694px;"
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end
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if img['src'][0] == "/"
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img['src'] = "#{Discourse.base_url}#{img['src']}"
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end
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end
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style('div.post-indent',' margin-left: 15px; margin-top: 20px; max-width: 694px;')
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end
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def format_notification
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style('.previous-discussion', 'font-size: 17px; color: #444;')
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style('.date', "text-align:right;color:#999999;padding-right:5px;font-family:'lucida grande',tahoma,verdana,arial,sans-serif;font-size:11px")
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style('.username', "font-size:13px;font-family:'lucida grande',tahoma,verdana,arial,sans-serif;color:#3b5998;text-decoration:none;font-weight:bold")
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style('.post-wrapper', "margin-bottom:25px;max-width:761px")
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style('.user-avatar', 'vertical-align:top;width:55px;')
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style('.user-avatar img', nil, width: '45', height: '45')
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style('hr', 'background-color: #ddd; height: 1px; border: 1px;')
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# we can do this but it does not look right
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# style('#main', 'font-family:"Helvetica Neue", Helvetica, Arial, sans-serif')
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style('td.body', 'padding-top:5px;', colspan: "2")
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correct_first_body_margin
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correct_footer_style
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reset_tables
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end
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def format_html
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style('h3', 'margin: 15px 0 20px 0; border-bottom: 1px solid #ddd;')
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style('hr', 'background-color: #ddd; height: 1px; border: 1px;')
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style('a',' text-decoration: none; font-weight: bold; font-size: 15px; color: #006699;')
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style('ul', 'margin: 0 0 0 10px; padding: 0 0 0 20px;')
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style('li', 'padding-bottom: 10px')
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style('div.digest-post', 'margin-left: 15px; margin-top: 20px; max-width: 694px;')
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style('div.digest-post h1', 'font-size: 20px;')
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@fragment.css('pre').each do |pre|
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pre.replace(pre.text)
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end
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end
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def to_html
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strip_classes_and_ids
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@fragment.to_html.tap do |result|
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result.gsub!(/\[email-indent\]/, "<div style='margin-left: 15px'>")
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result.gsub!(/\[\/email-indent\]/, "</div>")
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end
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end
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private
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def correct_first_body_margin
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@fragment.css('.body p').each do |element|
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element['style'] = "margin-top:0;"
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end
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end
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def correct_footer_style
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@fragment.css('.footer').each do |element|
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element['style'] = "color:#666;"
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element.css('a').each do |inner|
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inner['style'] = "color:#666;"
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end
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end
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end
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def strip_classes_and_ids
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@fragment.css('*').each do |element|
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element.delete('class')
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element.delete('id')
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end
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end
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def reset_tables
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style('table',nil, cellspacing: '0', cellpadding: '0', border: '0')
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end
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def style(selector, style, attribs = {})
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@fragment.css(selector).each do |element|
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element['style'] = style if style
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attribs.each do |k,v|
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element[k] = v
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end
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end
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end
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end
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end
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