Method: GraphQL::Subscriptions::DefaultSubscriptionResolveExtension#after_resolve

Defined in:
lib/graphql/subscriptions/default_subscription_resolve_extension.rb

#after_resolve(value:, context:, object:, arguments:, **rest) ⇒ Object 



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# File 'lib/graphql/subscriptions/default_subscription_resolve_extension.rb', line 20

def after_resolve(value:, context:, object:, arguments:, **rest)
  if value.is_a?(GraphQL::ExecutionError)
    value
  elsif @field.resolver&.method_defined?(:subscription_written?) &&
    (subscription_namespace = context.namespace(:subscriptions)) &&
    (subscriptions_by_path = subscription_namespace[:subscriptions])
    (subscription_instance = subscriptions_by_path[context.current_path])
    # If it was already written, don't append this event to be written later
    if !subscription_instance.subscription_written?
      events = context.namespace(:subscriptions)[:events]
      events << subscription_instance.event
    end
    value
  elsif (events = context.namespace(:subscriptions)[:events])
    # This is the first execution, so gather an Event
    # for the backend to register:
    event = Subscriptions::Event.new(
      name: field.name,
      arguments: arguments,
      context: context,
      field: field,
    )
    events << event
    value
  elsif context.query.subscription_topic == Subscriptions::Event.serialize(
      field.name,
      arguments,
      field,
      scope: (field.subscription_scope ? context[field.subscription_scope] : nil),
    )
    # This is a subscription update. The resolver returned `skip` if it should be skipped,
    # or else it returned an object to resolve the update.
    value
  else
    # This is a subscription update, but this event wasn't triggered.
    context.skip
  end
end