Module: TinySweeper::ClassMethods

Defined in:
lib/tiny_sweeper.rb

Instance Method Summary collapse

Instance Method Details

#sweep(field_name, &sweeper) ⇒ Object 



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# File 'lib/tiny_sweeper.rb', line 3

def sweep(field_name, &sweeper)
  stop_if_attribute_does_not_exist!(field_name)
  stop_if_we_have_seen_this_before!(field_name)

  writer_method_name = writer_method_name(field_name)

  alias_method "original #{writer_method_name}", writer_method_name

  define_method(writer_method_name) do |value|
    clean_value = sweeper.call(value)
    send("original #{writer_method_name}", clean_value)
  end
end

#sweep_up!(instance) ⇒ Object 



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

def sweep_up!(instance)
  @swept_fields.each do |field|
    instance.send("#{field}=", instance.send(field))
  end
end