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Contents
# frozen_string_literal: true
require 'dry/monads'
module Hyrax
module Transactions
module Steps
##
# removes the file set from all its parents, returning a
# `Dry::Monads::Result` (`Success`|`Failure`).
#
# there should normally be only one parent for a FileSet, but in the case
# that there are multiple, this step will remove the file set from all
# parents.
#
# if no user is provided to attribute the removal to, the step fails
# immediately.
#
# @see https://dry-rb.org/gems/dry-monads/1.0/result/
class RemoveFileSetFromWork
include Dry::Monads[:result]
##
# @param [Valkyrie::QueryService] query_service
def initialize(query_service: Hyrax.query_service, persister: Hyrax.persister)
@persister = persister
@query_service = query_service
end
##
# @param [Hyrax::FileSet] file_set
#
# @return [Dry::Monads::Result]
def call(file_set, user: nil)
return Failure('No user provided.') if user.nil?
@query_service.find_parents(resource: file_set).each do |parent|
parent.member_ids -= [file_set.id]
saved = @persister.save(resource: parent)
Hyrax.publisher.publish('object.metadata.updated', object: saved, user: user)
end
Success(file_set)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems