Module: Shared::Dwc::MediaExtensions

Extended by:
ActiveSupport::Concern
Included in:
Image::DwcMediaExtensions, Sound::DwcMediaExtensions
Defined in:
app/models/concerns/shared/dwc/media_extensions.rb

Overview

A concern on media items like images and sounds.

Constant Summary collapse

DWC_MEDIA_SHARED_EXTENSION_MAP =

Shared implementation amongst all media sources.

{
  identifier: :dwc_media_identifier,
  providerManagedID: :dwc_media_provider_managed_id, # TODO currently .id ??
  'dc:rights': :dwc_media_dc_rights,
  'dcterms:rights': :dwc_media_dcterms_rights,
  Owner: :dwc_media_owner,
  Credit: :dwc_media_credit,
  'dc:creator': :dwc_media_dc_creator,
  'dcterms:creator': :dwc_media_dcterms_creator,
  furtherInformationURL: :dwc_media_further_information_url
}.freeze

Instance Method Summary collapse

Instance Method Details

#dwc_media_credit ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 51

def dwc_media_credit
  media = self.class
    .joins(attribution: :roles)
    .where(roles: {type: 'AttributionCopyrightHolder'})
    .where(id: id)
    .includes(:attribution)
    .first

  return nil if media.nil?

  ApplicationController.helpers.attribution_copyright_label(media.attribution)
end

#dwc_media_dc_creator ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 64

def dwc_media_dc_creator
  self.class
    .joins(attribution: {roles: :person})
    .where(roles: {type: 'AttributionCreator'})
    .where(id: id)
    .pluck('people.cached')
    .join(CollectionObject::DWC_DELIMITER)
end

#dwc_media_dc_rights ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 28

def dwc_media_dc_rights
  dwc_media_dcterms_rights
end

#dwc_media_dcterms_creator ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 73

def dwc_media_dcterms_creator
  self.class
    .joins(attribution: {roles: {person: :identifiers}})
    .where(roles: {type: 'AttributionCreator'})
    .where(id: id)
    .where("identifiers.type = 'Identifier::Global::Orcid' OR identifiers.type = 'Identifier::Global::Wikidata'")
    .pluck('identifiers.cached')
    .join(CollectionObject::DWC_DELIMITER)
end

#dwc_media_dcterms_rights ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 32

def dwc_media_dcterms_rights
  CREATIVE_COMMONS_LICENSES[
    self.class
      .joins(:attribution)
      .where(id: id)
      .pluck('attributions.license')
      .first
  ]&.[](:link)
end

#dwc_media_further_information_url ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 83

def dwc_media_further_information_url
  Shared::Api.image_metadata_link(self, raise_on_no_token: true)
end

#dwc_media_identifier ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 18

def dwc_media_identifier
  # Images and sounds are unlikely to have a uuid or uri, so namespace with
  # class name (this field is suposed to be unique).
  "#{self.class.name.downcase}:#{uuid || uri || id}"
end

#dwc_media_owner ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 42

def dwc_media_owner
  self.class
    .joins(attribution: {roles: :person})
    .where(roles: {type: 'AttributionOwner'})
    .where(id: id)
    .pluck('people.cached')
    .join(CollectionObject::DWC_DELIMITER)
end

#dwc_media_provider_managed_id ⇒ Object 



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# File 'app/models/concerns/shared/dwc/media_extensions.rb', line 24

def dwc_media_provider_managed_id
  id
end