Class: Porridge::SerializerDefiner

Inherits:
Object
  • Object
show all
Defined in:
lib/porridge/serializer_definer.rb

Overview

SerializerDefiner is a class that wraps a Factory and allows serializes to be easily defined with an elegant DSL.

Constant Summary collapse

FACTORY_PREFIX = 
'create_'
SERIALIZER_SUFFIX = 
'_serializer'
FIELD_SERIALIZER_SUFFIX = 
'_field_serializer'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(factory = Factory.new) ⇒ SerializerDefiner

Returns a new instance of SerializerDefiner.



16
17
18
19
 
# File 'lib/porridge/serializer_definer.rb', line 16

def initialize(factory = Factory.new)
  @factory = factory
  @serializers = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, **kwargs, &block) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/porridge/serializer_definer.rb', line 21

def method_missing(method_name, *args, **kwargs, &block)
  method_name = method_name.to_s
  if create_method? method_name
    return factory.send(method_name.delete_prefix(FACTORY_PREFIX), *args, **kwargs, &block)
  end

  to_send = SERIALIZER_SUFFIX if serializer_method? method_name
  to_send = FIELD_SERIALIZER_SUFFIX if field_serializer_method? method_name

  return add_serializer(factory.send(method_name + to_send, *args, **kwargs, &block)) if to_send

  super(method_name.to_sym, *args, &block)
end

Instance Attribute Details

#factory ⇒ Object (readonly, private)

Returns the value of attribute factory.



73
74
75
 
# File 'lib/porridge/serializer_definer.rb', line 73

def factory
  @factory
end

Instance Method Details

#add_serializer(serializer) ⇒ Object (private) 



69
70
71
 
# File 'lib/porridge/serializer_definer.rb', line 69

def add_serializer(serializer)
  @serializers << serializer
end

#added_serializers ⇒ Object 



47
48
49
 
# File 'lib/porridge/serializer_definer.rb', line 47

def added_serializers
  @serializers
end

#create_method?(method_name) ⇒ Boolean (private)

Returns:

  • (Boolean) 


57
58
59
 
# File 'lib/porridge/serializer_definer.rb', line 57

def create_method?(method_name)
  method_name.start_with?(FACTORY_PREFIX) && factory.respond_to?(method_name.delete_prefix(FACTORY_PREFIX))
end

#defined_serializer ⇒ Object 



43
44
45
 
# File 'lib/porridge/serializer_definer.rb', line 43

def defined_serializer
  factory.serializers(*added_serializers)
end

#field_serializer_method?(method_name) ⇒ Boolean (private)

Returns:

  • (Boolean) 


65
66
67
 
# File 'lib/porridge/serializer_definer.rb', line 65

def field_serializer_method?(method_name)
  factory.respond_to?(method_name + FIELD_SERIALIZER_SUFFIX)
end

#respond_to_missing?(method_name, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


35
36
37
38
39
40
41
 
# File 'lib/porridge/serializer_definer.rb', line 35

def respond_to_missing?(method_name, include_private = false)
  method_name = method_name.to_s
  super(method_name.to_sym, include_private) ||
    create_method?(method_name) ||
    serializer_method?(method_name) ||
    field_serializer_method?(method_name)
end

#serializer ⇒ Object 



51
52
53
 
# File 'lib/porridge/serializer_definer.rb', line 51

def serializer(...)
  add_serializer(factory.serializer(...))
end

#serializer_method?(method_name) ⇒ Boolean (private)

Returns:

  • (Boolean) 


61
62
63
 
# File 'lib/porridge/serializer_definer.rb', line 61

def serializer_method?(method_name)
  factory.respond_to?(method_name + SERIALIZER_SUFFIX)
end