Module: InlineStylesMailer

Defined in:
lib/inline_styles_mailer.rb,
lib/inline_styles_mailer/version.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

VERSION = 
"1.0.0"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/inline_styles_mailer.rb', line 7

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#call_layout ⇒ Object

Hack to call _layout the right way depending on the Rails version. This is a code smell telling us that we shouldn’t be doing this at all…



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# File 'lib/inline_styles_mailer.rb', line 106

def call_layout
  if method(:_layout).arity == 1
    # Rails 5?
    _layout([:html])
  else
    # < Rails 5?
    _layout
  end
end

#layout_to_use ⇒ Object 



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# File 'lib/inline_styles_mailer.rb', line 95

def layout_to_use
  case call_layout
  when ActionView::Template
    call_layout.inspect.split("/").last.split(".").first
  when String
    call_layout.split("/").last.split(".").first
  end
end

#mail(options, &block) ⇒ Object 



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# File 'lib/inline_styles_mailer.rb', line 56

def mail(options, &block)
  if block
    super(mail, &block) # We'll just let this pass through
  else
    super(options) do |format|
      # Rails 3.1 takes an array, while Rails 3.0 takes a string.
      # See https://github.com/billhorsman/inline_styles_mailer/issues/1
      prefixes = options[:template_path] || self.class.name.underscore
      prefixes = [prefixes] unless Rails.version =~ /^3\.0/
      templates = lookup_context.find_all(options[:template_name] || action_name, prefixes)
      options.reverse_merge!(:mime_version => "1.0", :charset => "UTF-8", :content_type => "text/plain", :parts_order => [ "text/plain", "text/enriched", "text/html"])
      templates.sort_by {|t|
        # Rails 4.1 use #type but earlier versions use #mime_type
        mime_type = t.respond_to?(:mime_type) ? t.mime_type : t.type
        i = options[:parts_order].index(mime_type)
        i > -1 ? i : 99
      }.each do |template|
      # templates.each do |template|
        # e.g. template = app/views/user_mailer/welcome.html.erb
        # e.g. template = app/views/namespace/user_mailer/welcome.html.erb
        template_path = template.inspect.split("views")[1][1..-1] # e.g. user_mailer/welcome.html.erb
        parts = template_path.split('.')
        handler = parts.pop.to_sym # e.g. erb
        extension = parts.pop.to_sym # e.g. html
        file = parts.join('.') # e.g. user_mailer/welcome (you get a deprecation warning if you don't strip off the format and handler)
        format.send(extension) do
          case extension
          when :html
            html = render_to_string :file => file, :layout => layout_to_use, handlers: [handler]
            render :text => self.class.page.with_html(html).apply
          else
            render
          end
        end
      end
    end
  end
end