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Contents
# frozen_string_literal: true
require 'dry/monads'
module Hyrax
module Transactions
module Steps
##
# Deletes a resource from the persister, returning a `Dry::Monads::Result`
# (`Success`|`Failure`).
#
# @see https://dry-rb.org/gems/dry-monads/1.0/result/
class DeleteResource
include Dry::Monads[:result]
##
# @params [#save] persister
def initialize(persister: Hyrax.persister, publisher: Hyrax.publisher)
@persister = persister
@publisher = publisher
end
##
# @param [Valkyrie::Resource] resource
# @param [::User] the user resposible for the delete action
#
# @return [Dry::Monads::Result]
def call(resource, user: nil)
return Failure(:resource_not_persisted) unless resource.persisted?
@persister.delete(resource: resource)
publish_changes(resource: resource, user: user)
Success(resource)
end
private
def publish_changes(resource:, user:)
if resource.collection?
@publisher.publish('collection.deleted',
collection: resource,
id: resource.id.id,
user: user)
else
@publisher.publish('object.deleted',
object: resource,
id: resource.id.id,
user: user)
end
end
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems