Allow for nested parts in multipart mails #1570 [Flurin Egger]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1581 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 25 insertions, 0 deletions

diff --git a/actionmailer/lib/action_mailer/part_container.rb b/actionmailer/lib/action_mailer/part_container.rb
new file mode 100644
index 0000000000..57ad2f5157
--- /dev/null
+++ b/actionmailer/lib/action_mailer/part_container.rb
@@ -0,0 +1,25 @@
+module ActionMailer
+  module PartContainer
+    attr_reader :parts
+
+    # Add a part to a multipart message, with the given content-type. The
+    # part itself is yielded to the block, so that other properties (charset,
+    # body, headers, etc.) can be set on it.
+    def part(params)
+      params = {:content_type => params} if String === params
+      part = Part.new(params)
+      yield part if block_given?
+      @parts << part
+    end
+
+    # Add an attachment to a multipart message. This is simply a part with the
+    # content-disposition set to "attachment".
+    def attachment(params, &block)
+      params = { :content_type => params } if String === params
+      params = { :disposition => "attachment",
+                 :transfer_encoding => "base64" }.merge(params)
+      part(params, &block)
+    end
+
+  end
+end