lib/peta/content.rb

   1 module Peta
   2   class Content < Item
   3     self.abstract_class = true
   4
   5     # Dynamic Methods
   6
   7     def self.load_manifest
   8       super
   9       return nil if self._skip_load?
  10       # Class Methods
  11       ct = self.my_manifest.content_model?
  12       define_singleton_method("content?") do
  13         ct
  14       end
  15       ot = self.my_manifest.owner_type
  16       define_singleton_method("owner_type") do
  17         ot
  18       end
  19       om = self.parent_model
  20       define_singleton_method("owner_model") do
  21         om
  22       end
  23       oc = self.owner_type.to_s + '_id'
  24       define_singleton_method("owner_column") do
  25         oc
  26       end
  27       # Instance Methods
  28     end
  29
  30     # Class Methods
  31
  32     def self.operator operators
  33       return nil unless self.owner_type
  34       operators.__send__ self.owner_type
  35     end
  36
  37     def self.public_list_where list
  38       nil
  39     end
  40
  41     def self.edit content_id, operators
  42       content = self.find content_id
  43       raise ActiveRecord::Forbidden unless content.own?(operators)
  44       content
  45     end
  46
  47     # Instance Methods
  48
  49     def owner_model
  50       self.class.owner_model ? self.__send__(self.class.owner_model.item_name) : self
  51     end
  52
  53     # super return if my item
  54     def visible? operators
  55       super
  56       return nil if owner_model.own?(operators)
  57       true
  58     end
  59
  60     def own? operators
  61       operator = self.class.operator operators
  62       return false unless operator
  63       owner_model.attributes[self.class.owner_column] == operator.id
  64     end
  65
  66   end
  67 end
  68