Class: Apiwork::Representation::Deserializer

Inherits:
Object
  • Object
show all
Defined in:
lib/apiwork/representation/deserializer.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(representation_class) ⇒ Deserializer

Returns a new instance of Deserializer.



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# File 'lib/apiwork/representation/deserializer.rb', line 12

def initialize(representation_class)
  @representation_class = representation_class
end

Class Method Details

.deserialize(representation_class, payload) ⇒ Object 



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# File 'lib/apiwork/representation/deserializer.rb', line 7

def deserialize(representation_class, payload)
  new(representation_class).deserialize(payload)
end

Instance Method Details

#deserialize(payload) ⇒ Object 



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# File 'lib/apiwork/representation/deserializer.rb', line 16

def deserialize(payload)
  if payload.is_a?(Array)
    payload.map { |hash| deserialize_hash(hash) }
  else
    deserialize_hash(payload)
  end
end

#deserialize_hash(hash) ⇒ Object 



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# File 'lib/apiwork/representation/deserializer.rb', line 24

def deserialize_hash(hash)
  return hash unless hash.is_a?(Hash)

  result = hash.dup

  transform_type_columns(result)

  @representation_class.attributes.each do |name, attribute|
    next unless result.key?(name)

    result[name] = attribute.decode(result[name])
  end

  @representation_class.associations.each do |name, association|
    next unless result.key?(name)

    nested_representation_class = association.representation_class
    next unless nested_representation_class

    value = result[name]
    result[name] = if association.collection? && value.is_a?(Array)
                     value.map { |item| nested_representation_class.deserialize(item) }
                   elsif value.is_a?(Hash)
                     nested_representation_class.deserialize(value)
                   else
                     value
                   end
  end

  result
end