Module: CachedRecord::ORM::DataMapper::InstanceMethods

Defined in:
lib/cached_record/orm/data_mapper.rb

Instance Method Summary collapse

Instance Method Details

#cache_attributes ⇒ Object 



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# File 'lib/cached_record/orm/data_mapper.rb', line 64

def cache_attributes
  (cache_json_options[:only] ? as_json.slice(*cache_json_options[:only]) : as_json).symbolize_keys!.merge cache_foreign_keys
end

#cache_foreign_key(name, relationship, value) ⇒ Object 



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# File 'lib/cached_record/orm/data_mapper.rb', line 73

def cache_foreign_key(name, relationship, value)
  case relationship
  when ::DataMapper::Associations::ManyToOne::Relationship
    {:"#{relationship.child_key.first.name}" => value.try(:id)}
  when ::DataMapper::Associations::OneToOne::Relationship
    {:"_#{name.to_s.singularize}_id" => value.try(:id)}
  when ::DataMapper::Associations::OneToMany::Relationship, ::DataMapper::Associations::ManyToMany::Relationship
    {:"_#{name.to_s.singularize}_ids" => value.collect(&:id)}
  end
end

#cache_foreign_keys ⇒ Object 



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# File 'lib/cached_record/orm/data_mapper.rb', line 67

def cache_foreign_keys
  (cache_json_options[:include] || {}).inject({}) do |json, name|
    relationship = relationships[name]
    json.merge cache_foreign_key(name, relationship, send(name))
  end
end