lib/peta/content.rb

   1 module Peta
   2   class Content < Item
   3     self.abstract_class = true
   4
   5     # Dynamic Methods
   6
   7     def self._content?
   8       self.my_manifest.content_model
   9     end
  10
  11     def self._owner_type
  12       self.my_manifest.owner_type
  13     end
  14
  15     def self._owner_model
  16       self.parent_model
  17     end
  18
  19     def self._owner_column
  20       self._owner_type.to_s + '_id'
  21     end
  22
  23     def self.load_manifest
  24       super
  25       # Class Methods
  26       ct = self._content?
  27       define_singleton_method("content?") do
  28         ct
  29       end
  30       ot = self._owner_type
  31       define_singleton_method("owner_type") do
  32         ot
  33       end
  34       om = self._owner_model
  35       define_singleton_method("owner_model") do
  36         om
  37       end
  38       oc = self._owner_column
  39       define_singleton_method("owner_column") do
  40         oc
  41       end
  42       # Instance Methods
  43     end
  44
  45     # Class Methods
  46
  47     def self.operator operators
  48       return nil unless self.owner_type
  49       operators.__send__ self.owner_type
  50     end
  51
  52     def self.public_list_where
  53       ''
  54     end
  55
  56     def self.edit content_id, operators
  57       content = self.find content_id, self.show_opt
  58       raise ActiveRecord::Forbidden unless content.own?(operators)
  59       content
  60     end
  61
  62     # Instance Methods
  63
  64     def owner_model
  65       self.class.owner_model ? self.__send__(self.class.owner_model.item_name) : self
  66     end
  67
  68     # super return if my item
  69     def visible? operators
  70       super
  71       return nil if owner_model.own?(operators)
  72       true
  73     end
  74
  75     def own? operators
  76       operator = self.class.operator operators
  77       return false unless operator
  78       owner_model.attributes[self.class.owner_column] == operator.id
  79     end
  80
  81   end
  82 end
  83