lib/json_api_client/helpers/dynamic_attributes.rb
module JsonApiClient
module Helpers
module DynamicAttributes
def attributes
@attributes
end
def attributes=(attrs = {})
@attributes ||= ActiveSupport::HashWithIndifferentAccess.new
return @attributes unless attrs.present?
attrs.each do |key, value|
send("#{key}=", value)
end
end
def [](key)
read_attribute(key)
end
def []=(key, value)
set_attribute(key, value)
end
def respond_to_missing?(method, include_private = false)
if has_attribute?(method) || method.to_s.end_with?('=')
true
else
super
end
end
def has_attribute?(attr_name)
attributes.has_key?(attr_name)
end
protected
def method_missing(method, *args, &block)
if has_attribute?(method)
return attributes[method]
end
normalized_method = safe_key_formatter.unformat(method.to_s)
if normalized_method.end_with?('=')
set_attribute(normalized_method[0..-2], args.first)
else
super
end
end
def read_attribute(name)
attributes.fetch(name, nil)
end
def set_attribute(name, value)
attributes[name] = value
end
def safe_key_formatter
@safe_key_formatter ||= (key_formatter || DefaultKeyFormatter.new)
end
def key_formatter
self.class.respond_to?(:key_formatter) && self.class.key_formatter
end
class DefaultKeyFormatter
def unformat(method)
method.to_s
end
end
end
end
end