1 files changed, 31 insertions, 0 deletions

diff --git a/lib/gitlab/email/html_parser.rb b/lib/gitlab/email/html_parser.rb
new file mode 100644
index 00000000000..51d8edb1b13
--- /dev/null
+++ b/lib/gitlab/email/html_parser.rb
@@ -0,0 +1,31 @@
+module Gitlab
+  module Email
+    class HTMLParser
+      def self.parse_reply(raw_body)
+        new(raw_body).filtered_text
+      end
+
+      attr_reader :raw_body
+      def initialize(raw_body)
+        @raw_body = raw_body
+      end
+
+      def document
+        @document ||= Nokogiri::HTML(raw_body)
+      end
+
+      def filter_replies!
+        document.xpath('//blockquote').each { |n| n.replace('> ') }
+        document.xpath('//table').each { |n| n.remove }
+      end
+
+      def filtered_html
+        @filtered_html ||= (filter_replies!; document.inner_html)
+      end
+
+      def filtered_text
+        @filtered_text ||= Html2Text.convert(filtered_html)
+      end
+    end
+  end
+end