Class: Hyrax::Transactions::Steps::RemoveFromMembership

Inherits:
Object
  • Object
show all
Defined in:
lib/hyrax/transactions/steps/remove_from_membership.rb

Overview

Removes a collection from its members, returning a ‘Dry::Monads::Result` (`Success`|`Failure`).

See Also:

Since:

  • 2.4.0

Instance Method Summary collapse

Constructor Details

#initialize(query_service: Hyrax.custom_queries, persister: Hyrax.persister, publisher: Hyrax.publisher) ⇒ RemoveFromMembership

Returns a new instance of RemoveFromMembership.

Since:

  • 2.4.0



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# File 'lib/hyrax/transactions/steps/remove_from_membership.rb', line 17

def initialize(query_service: Hyrax.custom_queries, persister: Hyrax.persister, publisher: Hyrax.publisher)
  @persister = persister
  @query_service = query_service
  @publisher = publisher
end

Instance Method Details

#call(collection, user: nil) ⇒ Dry::Monads::Result

Parameters:

  • resource (Valkyrie::Resource)
  • the (::User) —

    user resposible for the delete action

Returns:

  • (Dry::Monads::Result)

Since:

  • 2.4.0



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# File 'lib/hyrax/transactions/steps/remove_from_membership.rb', line 28

def call(collection, user: nil)
  return Failure(:resource_not_persisted) unless collection.persisted?
  return Failure(:user_not_present) if user.blank?

  @query_service.find_members_of(collection: collection).each do |member|
    member.member_of_collection_ids -= [collection.id]
    @persister.save(resource: member)
    @publisher.publish('collection.membership.updated', collection: collection, user: user)
  rescue StandardError
    nil
  end

  Success(collection)
end