Module: Kanal::Core::Helpers::ParameterFinderWithMethodMissingMixin

Includes:
Logging::Logger
Included in:
Input::Input, Output::Output
Defined in:
lib/kanal/core/helpers/parameter_finder_with_method_missing_mixin.rb

Overview

Module assumes that class where it was included has methods set(name, value) get(name) transforms unknown methods to setters/getters for parameters

Instance Method Summary collapse

Methods included from Logging::Logger

#logger

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(symbol, *args, &block) ⇒ Object 



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# File 'lib/kanal/core/helpers/parameter_finder_with_method_missing_mixin.rb', line 15

def method_missing(symbol, *args, &block)
  if block && !args.first.nil?
    logger.error "Block and arg given simultaneously. Parameter name: '#{symbol.to_s}, arg: #{args.first}'"

    raise "Block and arg given simultaneously for parameter #{symbol.to_s}"
  end

  parameter_name = symbol.to_s
  parameter_name.sub! "=", ""

  parameter_name = parameter_name.to_sym

  value = block_given? ? block : args.first

  # standard workflow with settings properties with
  # input.prop = 123
  if symbol.to_s.include? "="
    @parameter_bag.set parameter_name, value
  elsif !args.empty? || block_given?
    # this approach can be used also in dsl
    # like that
    # setters: prop value
    # getters: prop
    @parameter_bag.set parameter_name, value
  # means it is used as setter in dsl,
  # method call with argument
  else
    @parameter_bag.get parameter_name
  end
end