Contents

# Newspaper Page
class NewspaperPage < ActiveFedora::Base
  # WorkBehavior mixes in minimal ::Hyrax::CoreMetadata fields of
  # depositor, title, date_uploaded, and date_modified.
  # https://samvera.github.io/customize-metadata-model.html#core-metadata
  include ::Hyrax::WorkBehavior
  include NewspaperWorks::ScannedMediaMetadata

  self.indexer = NewspaperPageIndexer

  # containment/aggregation:
  # self.valid_child_concerns = []

  # Validation and required fields:
  validates :title, presence: { message: 'A newspaper page requires a label.' }
  # TODO: Implement validations
  # validates :height, presence: { message: 'A newspaper page requires a height.' }
  # validates :width, presence: { message: 'A newspaper page requires a width.' }

  # == Type-specific properties ==

  # - Height
  property(
    :height,
    predicate: ::RDF::URI.new('http://dbpedia.org/ontology/height'),
    multiple: false
  ) do |index|
    index.as :stored_searchable
  end

  # - Width
  property(
    :width,
    predicate: ::RDF::URI.new('http://dbpedia.org/ontology/width'),
    multiple: false
  ) do |index|
    index.as :stored_searchable
  end

  # TODO: Add Reel number: https://github.com/samvera-labs/uri_selection_wg/issues/2

  # BasicMetadata must be included last
  include ::Hyrax::BasicMetadata

  # relationship methods

  # get publication (transitive)
  def publication
    # try transitive relation via issue first:
    issue = self.issue
    return issue.publication unless issue.nil?
    # fallback to trying to see if there is an issue-less container with title:
    container = self.container
    return container.publication unless container.nil?
  end

  def articles
    member_of.select { |v| v.instance_of?(NewspaperArticle) }
  end

  def issue
    result = member_of.select { |v| v.instance_of?(NewspaperIssue) }
    result[0] unless result.empty?
  end

  def container
    result = member_of.select { |v| v.instance_of?(NewspaperContainer) }
    result[0] unless result.empty?
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
newspaper_works-1.0.1	app/models/newspaper_page.rb
newspaper_works-1.0.0	app/models/newspaper_page.rb
newspaper_works-0.1.0	app/models/newspaper_page.rb