Class: Interactify::Dsl::EachChain

Inherits:
Object
  • Object
show all
Defined in:
lib/interactify/dsl/each_chain.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(each_loop_klasses, plural_resource_name, evaluating_receiver) ⇒ EachChain

Returns a new instance of EachChain.



15
16
17
18
19
 
# File 'lib/interactify/dsl/each_chain.rb', line 15

def initialize(each_loop_klasses, plural_resource_name, evaluating_receiver)
  @each_loop_klasses = each_loop_klasses
  @plural_resource_name = plural_resource_name
  @evaluating_receiver = evaluating_receiver
end

Instance Attribute Details

#each_loop_klasses ⇒ Object (readonly)

Returns the value of attribute each_loop_klasses.



8
9
10
 
# File 'lib/interactify/dsl/each_chain.rb', line 8

def each_loop_klasses
  @each_loop_klasses
end

#evaluating_receiver ⇒ Object (readonly)

Returns the value of attribute evaluating_receiver.



8
9
10
 
# File 'lib/interactify/dsl/each_chain.rb', line 8

def evaluating_receiver
  @evaluating_receiver
end

#plural_resource_name ⇒ Object (readonly)

Returns the value of attribute plural_resource_name.



8
9
10
 
# File 'lib/interactify/dsl/each_chain.rb', line 8

def plural_resource_name
  @plural_resource_name
end

Class Method Details

.attach_klass(evaluating_receiver, plural_resource_name, *each_loop_klasses) ⇒ Object 



10
11
12
13
 
# File 'lib/interactify/dsl/each_chain.rb', line 10

def self.attach_klass(evaluating_receiver, plural_resource_name, *each_loop_klasses)
  iteratable = new(each_loop_klasses, plural_resource_name, evaluating_receiver)
  iteratable.attach_klass
end

Instance Method Details

#attach_klass ⇒ Object

rubocop:enable all



70
71
72
73
74
75
 
# File 'lib/interactify/dsl/each_chain.rb', line 70

def attach_klass
  name = iterator_klass_name

  namespace.const_set(name, klass)
  namespace.const_get(name)
end

#iterator_klass_name ⇒ Object 



81
82
83
84
85
 
# File 'lib/interactify/dsl/each_chain.rb', line 81

def iterator_klass_name
  prefix = "Each#{singular_resource_name.to_s.camelize}"

  UniqueKlassName.for(namespace, prefix)
end

#klass ⇒ Object

allows us to dynamically create an interactor chain that iterates over the packages and uses the passed in each_loop_klasses rubocop:disable all



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/interactify/dsl/each_chain.rb', line 25

def klass
  this = self

  Class.new do                                                                    # class SomeNamespace::EachPackage
    include Interactify                                                           #   include Interactify

    expects do                                                                    #   expects do
      required(this.plural_resource_name)                                         #     required(:packages)
    end                                                                           #   end

    define_singleton_method(:source_location) do                                  #   def self.source_location
      const_source_location this.evaluating_receiver.to_s                         #     [file, line]
    end                                                                           #   end

    define_method(:run!) do                                                       #  def run!
      context.send(this.plural_resource_name).each_with_index do |resource, index|#    context.packages.each_with_index do |package, index|
        context[this.singular_resource_name] = resource                           #       context.package = package
        context[this.singular_resource_index_name] = index                        #       context.package_index = index

        self.class.klasses.each do |interactor|                                   #       [A, B, C].each do |interactor|
          interactor.call!(context)                                               #         interactor.call!(context)
        end                                                                       #       end
      end                                                                         #     end

      context[this.singular_resource_name] = nil                                  #     context.package = nil
      context[this.singular_resource_index_name] = nil                            #     context.package_index = nil

      context                                                                     #     context
    end                                                                           #   end

    define_singleton_method(:klasses) do                                          #   def self.klasses
      klasses = instance_variable_get(:@klasses)                                  #     @klasses ||= Wrapper.wrap_many(self, [A, B, C])
      return klasses if klasses

      instance_variable_set(:@klasses, Wrapper.wrap_many(self, this.each_loop_klasses))
    end

    # "<SomeNamespace::EachPackage iterates_over: [A, B, C]>"
    define_method(:inspect) do
      "<#{this.namespace}::#{this.iterator_klass_name} iterates_over: #{this.each_loop_klasses.inspect}>"
    end
  end
end

#namespace ⇒ Object 



77
78
79
 
# File 'lib/interactify/dsl/each_chain.rb', line 77

def namespace
  evaluating_receiver
end

#singular_resource_index_name ⇒ Object 



91
92
93
 
# File 'lib/interactify/dsl/each_chain.rb', line 91

def singular_resource_index_name
  "#{singular_resource_name}_index".to_sym
end

#singular_resource_name ⇒ Object 



87
88
89
 
# File 'lib/interactify/dsl/each_chain.rb', line 87

def singular_resource_name
  plural_resource_name.to_s.singularize.to_sym
end