learning_object_obaa_serializer.rb

class LearningObjectObaaSerializer < ActiveModel::Serializer
#   "educational": {
#     "description": "? não existe no PortalMecHomologa"
#   },

  def general
    {
      title: object.name,
      description: object.description,
      keywords: object.tags.map(&:name).join(','),
      created_at: object.created_at,
      updated_at: object.updated_at,
      thumbnail: object.default_thumbnail,
      score: object.score,
      likes_count: object.likes_count,
      shares_count: object.shares_count,
      acessibility: ''
    }
  end

  def identifier
    {
      catalog: 'PortalMec',
      entry: object.id,
      language: object.language.try(:code)
    }
  end

  def technical
    {
      location: object.default_attachment.try(:retrieve_url),
      format: object.default_attachment.try(:mime_type)
    }
  end

  def rights
    {
      copyrightAndOhterRestrictions: 'true',
      cost: 'false',
      description: object.license.try(:name)
    }
  end

  def metametadata
    {
      identifier: {
        catalog: 'PortalMec',
        name: object.publisher.try(:name),
        entry_type: object.publisher.class.name,
        entry: object.publisher.try(:id)
      },
      contribute: {
        role: 'Criador',
        entity: object.author,
        date: object.created_at
      },
      metadataSchema: 'OBAAv1.0',
      language: object.language.try(:name)
    }
  end

  # attributes :id , :name, :created_at, :updated_at, :description, :author, :score, :likes_count
  attributes :id, :general, :identifier, :technical, :rights, :metametadata

  # has_many :tags
  # has_many :attachments
end