Class: SimpleSerializer

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

Constant Summary collapse

VERSION = 
'0.1.4'

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(object) ⇒ SimpleSerializer

Returns a new instance of SimpleSerializer.



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# File 'lib/simple_serializer.rb', line 6

def initialize(object)
  @object = object
end

Class Attribute Details

.fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/simple_serializer.rb', line 17

def fields
  @fields
end

Class Method Details

.[](object) ⇒ Object 



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# File 'lib/simple_serializer.rb', line 37

def [](object)
  to_h(object)
end

.attributes(*fields, **named, &block) ⇒ Object Also known as: attribute 



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# File 'lib/simple_serializer.rb', line 49

def attributes(*fields, **named, &block)
  @fields ||= {}

  fields.each { |k| @fields[k] = block }

  @fields.merge!(named)
end

.helpers ⇒ Object 



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# File 'lib/simple_serializer.rb', line 23

def helpers
  serializer = self

  Module.new.tap do |m|
    m.define_singleton_method(:included) do |base|
      base.define_method(:to_h) { serializer.to_h(self) }

      base.define_method(:to_json) { serializer.to_json(self) }

      base.define_method(:serializer_class) { serializer }
    end
  end
end

.inherited(sub) ⇒ Object 



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# File 'lib/simple_serializer.rb', line 19

def inherited(sub)
  sub.instance_variable_set(:@fields, fields.to_h.dup)
end

.serialize(field, &block) ⇒ Object 



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# File 'lib/simple_serializer.rb', line 59

def serialize(field, &block)
  attributes(field => Class.new(SimpleSerializer, &block))
end

.to_h(object) ⇒ Object 



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# File 'lib/simple_serializer.rb', line 41

def to_h(object)
  new(object).to_h
end

.to_json(object) ⇒ Object 



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# File 'lib/simple_serializer.rb', line 45

def to_json(object)
  to_h(object).to_json
end

Instance Method Details

#to_h ⇒ Object 



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# File 'lib/simple_serializer.rb', line 10

def to_h
  return @object.map(&method(:to_h_single)) if @object.is_a?(Enumerable)

  to_h_single(@object)
end