Class: Advisor::Factory

Inherits:
Object
  • Object
show all
Defined in:
lib/advisor/factory.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(advice_klass) ⇒ Factory

Returns a new instance of Factory.



3
4
5
 
# File 'lib/advisor/factory.rb', line 3

def initialize(advice_klass)
  @advice_klass = advice_klass
end

Class Method Details

.build(advice_klass) ⇒ Object 



7
8
9
 
# File 'lib/advisor/factory.rb', line 7

def self.build(advice_klass)
  new(advice_klass).build
end

Instance Method Details

#build ⇒ Object 



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/advisor/factory.rb', line 11

def build
  advice_klazz = advice_klass
  advisor_module = method(:advisor_module)

  Module.new do
    define_method(advice_klazz.applier_method) do |*methods, **args|
      methods_str = methods.map(&:to_s).join(', ')

      mod = advisor_module.call(methods, args)
      mod.module_eval(%(def self.inspect
                          "#{advice_klazz}(#{methods_str})"
                        end))
      mod.module_eval(%(def self.to_s; inspect; end))

      prepend mod
    end
  end
end