fixed the 'a post' bug in notification emails

app/helpers/notifier_helper.rb

@@ -1,4 +1,8 @@
 module NotifierHelper
+  
+  # @param post [Post] The post object.
+  # @param opts [Hash] Optional hash.  Accepts :length and :process_newlines parameters.
+  # @return [String] The truncated and formatted post.
   def post_message(post, opts={})
     opts[:length] ||= 200
     if post.respond_to? :formatted_message
@@ -9,4 +13,14 @@ module NotifierHelper
       I18n.translate 'notifier.a_post_you_shared'
     end
   end
+
+  # @param comment [Comment] The comment to process.
+  # @param opts [Hash] Optional hash.  Accepts :length and :process_newlines parameters.
+  # @return [String] The truncated and formatted comment.
+  def comment_message(comment, opts={})
+    opts[:length] ||= 600
+    text = truncate(@comment.text, :length => opts[:length])
+    text = process_newlines(text) if opts[:process_newlines]
+    text
+  end
 end

app/views/notifier/also_commented.html.haml

@@ -1,4 +1,4 @@
 %p
-  = post_message(@comment, :process_newlines => true, :length => 600)
+  = comment_message(@comment.text, :process_newlines => true)
 %p
   = link_to t('notifier.comment_on_post.reply', :name => @comment.post.author.first_name), post_url(@comment.post)

app/views/notifier/also_commented.text.haml

@@ -1 +1 @@
-!= truncate(@comment.text, :length => 600)
+!= comment_message(@comment.text)

app/views/notifier/comment_on_post.html.haml

@@ -1,4 +1,4 @@
 %p
-  = post_message(@comment, :process_newlines => true, :length => 600)
+  = comment_message(@comment.text, :process_newlines => true)
 %p
   = link_to t('notifier.comment_on_post.reply', :name => @comment.post.author.name), post_url(@comment.post)

app/views/notifier/comment_on_post.text.haml

@@ -1 +1 @@
-!= truncate(@comment.text, :length => 600)
+!= comment_message(@comment.text)

spec/helpers/notifier_helper_spec.rb

@@ -0,0 +1,20 @@
+#   Copyright (c) 2011, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+require 'spec_helper'
+
+describe NotifierHelper do
+  include MarkdownifyHelper
+  
+  describe '#comment_message' do
+    before do
+      @comment = Factory(:comment)
+    end
+
+    it 'truncates the comment' do
+      opts = {:length => 2}
+      comment_message(@comment, opts).should == truncate(@comment.text, opts)
+    end
+  end
+end