Class: DigestEmail::Digest

Inherits:
DigestElement show all
Defined in:
lib/digest_email/digest.rb

Instance Attribute Summary

Attributes inherited from DigestElement

#children

Instance Method Summary collapse

Constructor Details

#initialize(header, items, footer) ⇒ Digest

Returns a new instance of Digest.



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# File 'lib/digest_email/digest.rb', line 8

def initialize(header, items, footer)
  @header = header
  @items = items
  @footer = footer
  @children = [@header, @items, @footer]
end

Instance Method Details

#render(template = "{{content}}", show_warnings = false) ⇒ Object 



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# File 'lib/digest_email/digest.rb', line 15

def render(template = "{{content}}", show_warnings = false)
  html = [@header.render(@items.children), @items.render, @footer.render].join
  html = template.gsub '{{content}}', wrap(html)

  # Convert any styles to inline
  premailer = Premailer.new(html, :with_html_string => true)
  html = premailer.to_inline_css

  # Output any CSS warnings
  if show_warnings
    puts "Email Client Compatibility Warnings:"
    premailer.warnings.each do |w|
      puts "#{w[:message]} (#{w[:level]}) may not render properly in #{w[:clients]}"
    end
  end
  html
end

#wrap(inner) ⇒ Object 



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# File 'lib/digest_email/digest.rb', line 33

def wrap(inner)
  ["<div class=\"digest\">",
   "<table>",
   "<tr>",
   "<td>",
   inner,
   "</td>",
   "</tr>",
   "</table>",
   "</div>"].join
end