LafayetteCollegeLibraries/spot

# frozen_string_literal: true
class Collection < ActiveFedora::Base
  include Hyrax::CollectionBehavior
  include Spot::NestedCollectionBehavior

  class_attribute :controlled_properties
  self.controlled_properties = [:place]

  validates_with ::Spot::OnlyUrlsValidator, fields: [:related_resource]
  validates_with ::Spot::SlugValidator, fields: [:identifier]

  # title is included with +Hyrax::CoreMetadata+, which is included
  # with +Hyrax::CollectionBehavior+

  self.indexer = Spot::CollectionIndexer

  property :abstract, predicate: ::RDF::Vocab::DC.abstract do |index|
    index.as :stored_searchable
  end

  property :description, predicate: ::RDF::Vocab::DC.description do |index|
    index.as :stored_searchable
  end

  # see {IndexesLanguageAndLabel} mixin for indexing
  property :language, predicate: ::RDF::Vocab::DC.language

  property :subject, predicate: ::RDF::Vocab::DC.subject do |index|
    index.as :symbol, :facetable
  end

  property :identifier, predicate: ::RDF::Vocab::DC.identifier do |index|
    index.as :symbol
  end

  property :related_resource, predicate: ::RDF::RDFS.seeAlso do |index|
    index.as :symbol
  end

  property :location, predicate: ::RDF::Vocab::DC.spatial,
                      class_name: Spot::ControlledVocabularies::Location do |index|
    index.as :symbol
  end

  property :sponsor, predicate: ::RDF::Vocab::SCHEMA.sponsor do |index|
    index.as :stored_searchable, :facetable
  end

  # An identifier that links this record to a Bulkrax import/export record.
  # For objects created within the Hyrax UI (_not_ Bulkrax), this will be
  # filled with a default value of ["ldr:#{work.id}"]
  #
  # @todo find a better predicate for this field
  property :source_identifier, predicate: ::RDF::URI('http://ldr.lafayette.edu/ns#source_identifier') do |index|
    index.as :symbol, :stored_searchable
  end

  id_blank = proc { |attributes| attributes[:id].blank? }
  accepts_nested_attributes_for :location, reject_if: id_blank, allow_destroy: true

  # Overrides the default +.find+ behavior by first searching for a slug
  # and then falling back to the expected behavior (searching by ID).
  #
  # @param [String] slug_or_id
  # @return [Collection]
  def self.find(slug_or_id)
    from_slug = ActiveFedora::Base.where(collection_slug_ssi: slug_or_id)&.first
    return from_slug unless from_slug.nil?

    super
  end

  # Override for URL/path helpers to use the slug first, if present, and then
  # fallback to the default (which uses IDs).
  #
  # @return [String]
  def to_param
    slug = identifier.find { |id| id.start_with? 'slug:' }
    return super if slug.blank?

    Spot::Identifier.from_string(slug).value
  end
end