Lets add the ability to parse and understand multipart messages and store all attachments in gridfs and simply call it as an image (we could check for images or other types later)

Author: scsmith

email_cms.rb

@@ -15,17 +15,52 @@
   haml :post
 end
 
+get '/delete' do
+  Post.destroy_all
+  'Deleted all posts'
+end
+
 post '/incoming_message/' do
   message = Mail.new(params[:message])
 
-  @post = Post.create!(:title => message.subject, :body => message.body.decoded)
+  if message.multipart?
+    attachments = []
+    body = ""
+    
+    message.parts.each do |part|
+      if part.content_type =~ /^text\/plain/i
+        body << part.body.decoded
+      elsif part.attachment?
+        @grid ||= Mongo::Grid::new(Mongoid.database)
+        file = @grid.put(part.body.decoded)
+        attachments << Attachment.new(:grid_id => file)
+      end
+    end
+    
+    @post = Post.create!(:title => message.subject, :body => body, :attachments => attachments)
+  else
+    @post = Post.create!(:title => message.subject, :body => message.body.decoded)
+  end
+  
   haml :post
 end
 
+get '/images/:id' do
+  grid = Mongo::Grid::new(Mongoid.database)
+  grid.get(BSON::ObjectID.from_string(params[:id])).read
+end
+
 class Post
   include Mongoid::Document
   field :title
   field :body
+  embeds_many :attachments
+end
+
+class Attachment
+  include Mongoid::Document
+  
+  field :grid_id
 end
 
 __END__
@@ -45,7 +80,8 @@ class Post
         %a{:href => "/#{post.id}"}= post.title
       #content
         = post.body
-    
+        - for attachment in post.attachments do
+          %img{:src => "/images/#{attachment.grid_id}"}
 @@post
 %h1= @post.title
 #content