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# frozen_string_literal: true
module JSONAPI
class ConfigManager
# User configurations for the gem
class Config
attr_reader :required_document_members, :required_headers, :required_query_params,
:allow_client_ids
def initialize
@allow_client_ids = false
@default = true
end
# Performancewise, configs are all initialized as a startup cost, to change them you need to
# restart the server. As a result of this, the #default? is used to process a request
# faster if user-defined configs do not need to be checked when screening http requests.
# Because @default is set to false upon config assignment (see #method missing in Config),
# this allows the a user to potentially make the middleware screening less performant than necessary
# by assigning config values to the default values, or assigning values to something not default,
# and then assigning config values to the default again. If used as intended, however, this should make
# the middleware screening faster.
# @return [TrueClass | FalseClass]
def default?
@default
end
private
READER_METHODS = %i[required_document_members required_headers required_query_params allow_client_ids].freeze
# Only used if implementing Item directly.
# dynamically creates accessor methods for instance variables
# created in the initialize
def method_missing(method_name, *args, &block)
super unless READER_METHODS.include?(method_name.to_s[0..-2].to_sym)
instance_variable_set("@#{method_name}"[0..-2].to_sym, args[0])
@default = false
end
# Needed when using #method_missing
def respond_to_missing?(method_name, *args)
methods.include?(method_name) || super
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems