module PowerTypes::Service

Public Class Methods

new(*_attributes) click to toggle source

rubocop:disable Metrics/MethodLength

# File lib/power_types/patterns/service.rb, line 4
def self.new(*_attributes)
  attr_names = []
  attr_defaults = {}

  _attributes.each do |att|
    if att.is_a? Hash
      attr_defaults.merge! att
      attr_names += att.keys
    else
      attr_names << att
    end
  end

  Class.new do
    def logger
      Rails.logger
    end

    define_method(:initialize) do |kwargs = {}|
      unless (kwargs.keys - attr_names).empty?
        raise ArgumentError, "Unexpected arguments: #{(kwargs.keys - attr_names).join(', ')}"
      end

      kwargs = attr_defaults.merge kwargs
      attr_names.map do |a|
        raise ArgumentError, "Missing parameter: #{a}" unless kwargs.key? a
        instance_variable_set "@#{a}", kwargs[a]
      end
    end
  end
end

Public Instance Methods

logger() click to toggle source
# File lib/power_types/patterns/service.rb, line 18
def logger
  Rails.logger
end