Models Refactoring: Move methods to roles

app/models/key.rb

@@ -1,6 +1,7 @@
 require 'digest/md5'
 
 class Key < ActiveRecord::Base
+  include SshKey
   belongs_to :user
   belongs_to :project
 
@@ -37,28 +38,11 @@ class Key < ActiveRecord::Base
     end
   end
 
-  def update_repository
-    Gitlab::GitHost.system.new.configure do |c|
-      c.update_keys(identifier, key)
-      c.update_projects(projects)
-    end
-  end
-
-  def repository_delete_key
-    Gitlab::GitHost.system.new.configure do |c|
-      #delete key file is there is no identically deploy keys
-      if !is_deploy_key || Key.where(:identifier => identifier).count() == 0
-        c.delete_key(identifier)
-      end
-      c.update_projects(projects)
-    end
-  end
-
   def is_deploy_key
     true if project_id
   end
 
-   #projects that has this key
+  # projects that has this key
   def projects
     if is_deploy_key
       [project]