lib/content.rb

   1 class Pettanr::Content < Pettanr::Item
   2   self.abstract_class = true
   3   # ClassMethods
   4
   5   def self.owner_model
   6     nil
   7   end
   8
   9   def self.owner_type
  10     :author
  11   end
  12
  13   def self.content?
  14     true
  15   end
  16
  17   def self.operator operators
  18     case self.owner_type
  19     when :author
  20       operators.author
  21     when :artist
  22       operators.artist
  23     else
  24       nil
  25     end
  26   end
  27
  28   def self.owner_column
  29     self.owner_type.to_s + '_id'
  30   end
  31
  32   def self.edit content_id, operators
  33     content = self.find content_id, self.show_opt
  34     raise ActiveRecord::Forbidden unless content.own?(operators)
  35     content
  36   end
  37
  38   #InstanceMethods
  39
  40   def owner_model
  41     self.class.owner_model ? self.__send__(self.class.owner_model.item_name) : self
  42   end
  43
  44   def visible? operators
  45     super
  46     return true if owner_model.own?(operators)
  47     true
  48   end
  49
  50   def own? operators
  51     operator = self.class.operator operators
  52     return false unless operator
  53     owner_model.attributes[self.class.owner_column] == operator.id
  54   end
  55
  56 end
  57