parse email content

app/models/reply_listener.rb

@@ -5,7 +5,7 @@ def self.perform(reply_id, key, from, text, message_id)
     previous_reply    = Reply.find(reply_id)
     recipient         = User.find(from)
 
-    valid_reply_key = TopicMailer.reply_key(previous_reply.email_key, recipient.email)
+    valid_reply_key   = TopicMailer.reply_key(previous_reply.email_key, recipient.email)
     if valid_reply_key != key
       raise "Invalid reply: #{reply_id}, key: #{key}, from: #{from}"
     end

script/mailman.rb

@@ -1,7 +1,5 @@
 #!/usr/bin/env ruby
 require 'rubygems'
-require 'bundler/setup'
-
 require 'mailman'
 require 'resque'
 
@@ -15,13 +13,34 @@
   :ssl      => config["ssl"]
 }
 
+def plaintext_body(message)
+  if message.multipart?
+    message.parts.each do |p|
+      if p.content_type =~ /text\/plain/
+        encoding = p.content_type.to_s.split("=").last.to_s
+        return safe_str_encoding(p.body,encoding)
+      end
+    end
+    raise "mail body multipart, but not text/plain part"
+  elsif message.content_type == 'text/plain'
+    return safe_str_encoding(message.body, message.encoding)
+  else
+    raise "mail body is not multipart nor text/plain"     
+  end
+end
+
+def safe_str_encoding(html, coding)
+  doc = Nokogiri::HTML(html.to_s, nil, coding)
+  return doc.css("body").text
+end
+
 Mailman::Application.run do
  to('notification+%reply_id%-%key%@ruby-hk.org') do |reply_id, key|
-   puts "user:        #{params[:user]}"
+   puts "from:        #{message.from.first}"
    puts "reply_id:    #{reply_id}"
    puts "key:         #{key}"
-   puts "message:     #{message}"
    puts "message_id:  #{message.message_id}"
-
+   puts "body:  #{plaintext_body(message)}"
+
  end
 end