snippets are ready

app/models/snippet.rb

@@ -0,0 +1,31 @@
+class Snippet < ActiveRecord::Base
+  belongs_to :project
+  belongs_to :author, :class_name => "User"
+  has_many :notes, :as => :noteable
+
+  attr_protected :author, :author_id, :project, :project_id
+
+  validates_presence_of :project_id
+  validates_presence_of :author_id
+
+  validates :title,
+            :presence => true,
+            :length   => { :within => 0..255 }
+  
+  validates :file_name,
+            :presence => true,
+            :length   => { :within => 0..255 }
+
+  validates :content,
+            :presence => true,
+            :length   => { :within => 0..10000 }
+
+
+  def self.content_types
+    [ 
+      ".rb", ".py", ".pl", ".scala", ".c", ".cpp", ".java",
+      ".haml", ".html", ".sass", ".scss", ".xml", ".php", ".erb",
+      ".js", ".sh", ".coffee", ".yml", ".md"
+    ]
+  end
+end