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module Gitlab
module Graphql
# Allow fields to declare permissions their objects must have. The field
# will be set to nil unless all required permissions are present.
module Authorize
extend ActiveSupport::Concern
def self.use(schema_definition)
schema_definition.instrument(:field, Instrumentation.new)
end
def required_permissions
# If the `#authorize` call is used on multiple classes, we add the
# permissions specified on a subclass, to the ones that were specified
# on it's superclass.
@required_permissions ||= if self.respond_to?(:superclass) && superclass.respond_to?(:required_permissions)
superclass.required_permissions.dup
else
[]
end
end
def authorize(*permissions)
required_permissions.concat(permissions)
end
end
end
end
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