Module: ComponentsAddChildren

Included in:
ArchivalObject, DigitalObject, DigitalObjectComponent, Resource
Defined in:
backend/app/model/mixins/components_add_children.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'backend/app/model/mixins/components_add_children.rb', line 5

def self.included(base)
  if not base.included_modules.include?(TreeNodes)
    base.extend(ClassMethods)
  end
end

Instance Method Details

#add_children(children) ⇒ Object 



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# File 'backend/app/model/mixins/components_add_children.rb', line 11

def add_children(children)
  children.children.each do |child|
    obj = JSONModel(self.class.node_record_type.intern).from_hash(child)

    root_model = Kernel.const_get(self.class.root_record_type.camelize)
    node_model = Kernel.const_get(self.class.node_record_type.camelize)


    if root_model == self.class
      obj[self.class.root_record_type] = {
        'ref' => self.uri
      }
    else
      obj[self.class.root_record_type] = {
        'ref' => self.class.uri_for(self.class.root_record_type, self[:root_record_id])
      }

      obj['parent'] = {
        'ref' => self.uri
      }
    end

    begin
      node_model.create_from_json(obj)
    rescue Sequel::ValidationFailed => e
      # We've run into something that the DB doesnt like.
      # since we are dealing with a batch, we can add the
      # offending value to the error message in an attempt
      # to enlighten our  user
      e.errors.keys.each do |key|
        next unless obj[key]
        e.errors[key].map! { |msg| msg << " ( #{key}: #{obj[key]} )"}
      end
      raise e
    end
  end
end