Class: Lite::Measurements::Length

Inherits:
Base
  • Object
show all
Includes:
Helpers::ConversionHelper, Helpers::ShiftHelper
Defined in:
lib/lite/measurements/length.rb

Constant Summary collapse

CONVERTER = 
0.0254
IMPERICAL_UNITS = 
{
  inches: 1.0,
  feet: 12.0,
  yards: 36.0,
  miles: 63_360.0,
  nautical_miles: 72_913.386
}.freeze
METRIC_UNITS = 
{
  micrometers: 0.000001,
  millimeters: 0.001,
  centimeters: 0.01,
  decimeters: 0.1,
  meters: 1.0,
  dekameters: 10.0,
  hectometers: 100.0,
  kilometers: 1_000.0
}.freeze

Instance Attribute Summary

Attributes inherited from Base

#amount

Instance Method Summary collapse

Methods inherited from Base

convert, #initialize

Constructor Details

This class inherits a constructor from Lite::Measurements::Base

Instance Method Details

#convert(from:, to:) ⇒ Object

rubocop:disable Metrics/MethodLength, Layout/LineLength



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# File 'lib/lite/measurements/length.rb', line 31

def convert(from:, to:)
  assert_all_valid_keys!(from, to, all_keys)

  if equal_units?(from, to)
    amount
  elsif shift_between_imperical_units?(from, to)
    shift_units(amount, type: IMPERICAL_UNITS, from: from, to: to)
  elsif shift_between_metric_units?(from, to)
    shift_units(amount, type: METRIC_UNITS, from: from, to: to)
  elsif convert_to_metric_units?(from, to)
    convert_to_metric_units(amount, from: from, convert_to: :inches, convert_from: :meters, to: to)
  else
    convert_to_imperical_units(amount, from: from, convert_to: :meters, convert_from: :inches, to: to)
  end
end