gitlab-org--gitlab-foss/lib/gitlab/graphql/present/instrumentation.rb
gfyoung ebf98f27c4 Enable even more frozen string in lib/gitlab
Enables frozen string for the following:

* lib/gitlab/fogbugz_import/**/*.rb
* lib/gitlab/gfm/**/*.rb
* lib/gitlab/git/**/*.rb
* lib/gitlab/gitaly_client/**/*.rb
* lib/gitlab/gitlab_import/**/*.rb
* lib/gitlab/google_code_import/**/*.rb
* lib/gitlab/gpg/**/*.rb
* lib/gitlab/grape_logging/**/*.rb
* lib/gitlab/graphql/**/*.rb
* lib/gitlab/graphs/**/*.rb
* lib/gitlab/hashed_storage/**/*.rb
* lib/gitlab/health_checks/**/*.rb

Partially address gitlab-org/gitlab-ce#47424.
2018-11-13 11:42:15 -08:00

38 lines
1.1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Graphql
module Present
class Instrumentation
def instrument(type, field)
return field unless field.metadata[:type_class]
presented_in = field.metadata[:type_class].owner
return field unless presented_in.respond_to?(:presenter_class)
return field unless presented_in.presenter_class
old_resolver = field.resolve_proc
resolve_with_presenter = -> (presented_type, args, context) do
# We need to wrap the original presentation type into a type that
# uses the presenter as an object.
object = presented_type.object
if object.is_a?(presented_in.presenter_class)
next old_resolver.call(presented_type, args, context)
end
presenter = presented_in.presenter_class.new(object, **context.to_h)
wrapped = presented_type.class.new(presenter, context)
old_resolver.call(wrapped, args, context)
end
field.redefine do
resolve(resolve_with_presenter)
end
end
end
end
end
end