snippets are ready

app/models/ability.rb

@@ -12,6 +12,7 @@ class Ability
     rules << [
       :read_project,
       :read_issue,
+      :read_snippet,
       :read_team_member,
       :read_note 
     ] if project.readers.include?(user)
@@ -19,12 +20,14 @@ class Ability
     rules << [
       :write_project,
       :write_issue,
+      :write_snippet,
       :write_note 
     ] if project.writers.include?(user)
 
     rules << [
       :admin_project,
       :admin_issue,
+      :admin_snippet,
       :admin_team_member,
       :admin_note 
     ] if project.admins.include?(user)

app/models/project.rb

@@ -7,6 +7,7 @@ class Project < ActiveRecord::Base
   has_many :users_projects, :dependent => :destroy
   has_many :users, :through => :users_projects
   has_many :notes, :dependent => :destroy
+  has_many :snippets, :dependent => :destroy
 
   validates :name,
             :uniqueness => true,

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