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Contents
module Graphiti
module RequestValidators
class UpdateValidator < Validator
def validate
if required_payload? && payload_matches_endpoint?
super
else
false
end
end
private
def attribute_mismatch(attr_path)
@error_class = Graphiti::Errors::ConflictRequest
@errors.add(
attr_path.join("."),
:attribute_mismatch,
message: "does not match the server endpoint"
)
end
def required_payload?
[
[:data],
[:data, :type],
[:data, :id]
].each do |required_attr|
attribute_mismatch(required_attr) unless @params.dig(*required_attr)
end
errors.blank?
end
def payload_matches_endpoint?
unless @params.dig(:data, :id) == @params.dig(:filter, :id)
attribute_mismatch([:data, :id])
end
meta_type = @params.dig(:data, :type)
# NOTE: calling #to_s and comparing 2 strings is slower than
# calling #to_sym and comparing 2 symbols. But pre ruby-2.2
# #to_sym on user supplied data would lead to a memory leak.
if @root_resource.type.to_s != meta_type
if @root_resource.polymorphic?
begin
@root_resource.class.resource_for_type(meta_type).new
rescue Errors::PolymorphicResourceChildNotFound
attribute_mismatch([:data, :type])
end
else
attribute_mismatch([:data, :type])
end
end
errors.blank?
end
end
end
end
Version data entries
42 entries across 42 versions & 1 rubygems