Class: ArrayOfObjectType

Inherits:
ActiveModel::Type::Value
  • Object
show all
Defined in:
app/types/array_of_object_type.rb

Overview

Custom ActiveRecord/ActiveModel attribute type that hydrates a JSON
array column into an array of value objects of the given class
(e.g. plain ActiveModel::Model data classes or Data.define'd
records). Use via attribute :foo, ArrayOfObjectType.new(SomeClass).

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ ArrayOfObjectType

Returns a new instance of ArrayOfObjectType.



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# File 'app/types/array_of_object_type.rb', line 7

def initialize(klass)
  @klass = klass
end

Instance Method Details

#cast(value) ⇒ Object 



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# File 'app/types/array_of_object_type.rb', line 11

def cast(value)
  return [] if value.blank?

  value.map { |v| @klass.new(v) }
end

#deserialize(value) ⇒ Object 



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# File 'app/types/array_of_object_type.rb', line 21

def deserialize(value)
  cast(value)
end

#serialize(value) ⇒ Object 



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# File 'app/types/array_of_object_type.rb', line 17

def serialize(value)
  value.map(&:attributes)
end