Class: FieldMapper::Standard::Converter

Inherits:
Object
  • Object
show all
Defined in:
lib/field_mapper/standard/converter.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(standard_instance) ⇒ Converter

Returns a new instance of Converter.



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# File 'lib/field_mapper/standard/converter.rb', line 7

def initialize(standard_instance)
  @standard_plat = standard_instance.class
  @standard_instance = standard_instance
end

Instance Attribute Details

#standard_instance ⇒ Object (readonly)

Returns the value of attribute standard_instance.



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# File 'lib/field_mapper/standard/converter.rb', line 5

def standard_instance
  @standard_instance
end

#standard_plat ⇒ Object (readonly)

Returns the value of attribute standard_plat.



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# File 'lib/field_mapper/standard/converter.rb', line 5

def standard_plat
  @standard_plat
end

Instance Method Details

#convert_to(custom_plat, memoize: true) ⇒ Object 



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# File 'lib/field_mapper/standard/converter.rb', line 12

def convert_to(custom_plat, memoize: true)
  @converted_to_custom ||= {}
  @converted_to_custom[custom_plat] = nil unless memoize
  @converted_to_custom[custom_plat] ||= begin
    raise StandardMismatch if custom_plat.standard_plat != standard_plat

    custom_instance = custom_plat.new

    standard_plat.fields.each do |standard_field_name, standard_field|
      custom_fields = custom_plat.find_mapped_fields(standard_field)
      custom_fields.each do |custom_field|
        raw_custom_value = get_raw_custom_value(
          custom_field,
          standard_instance[standard_field_name],
          custom_instance
        )
        raw_custom_value = custom_field.cast(raw_custom_value)
        custom_instance[custom_field.name] = raw_custom_value
      end
    end

    [standard_instance, custom_instance].each do |instance|
      instance.send(:after_convert, from: standard_instance, to: custom_instance)
    end

    custom_instance
  end
end