class ConvertTemp

Constants

FAHRENHEIT_OFFSET
FAHRENHEIT_S
KELVIN_SHIFT

Attributes

current_unit[RW]

temperature[RW]

Public Class Methods

new(temperature, current_unit = 'celsius') click to toggle source

# File lib/unit.rb, line 10
def initialize(temperature, current_unit = 'celsius')
  @temperature = temperature
  @current_unit = current_unit
end

Public Instance Methods

case_celsius() click to toggle source

# File lib/unit.rb, line 26
def case_celsius
  case @unit
  when 'fahrenheit'
    @temperature = (temperature * FAHRENHEIT_S) + FAHRENHEIT_OFFSET
  when 'kelvin'
    @temperature = temperature + KELVIN_SHIFT
  else
    @temperature
  end
end

case_fahrenheit() click to toggle source

# File lib/unit.rb, line 37
def case_fahrenheit
  case @unit
  when 'celsius'
    @temperature = fahrenheit_to_celcius
  when 'kelvin'
    @temperature = fahrenheit_to_celcius + KELVIN_SHIFT
  else @temperature
  end
end

case_kelvin() click to toggle source

# File lib/unit.rb, line 47
def case_kelvin
  case @unit
  when 'fahrenheit'
    @temperature = (kelvin_to_celcius * FAHRENHEIT_S) + FAHRENHEIT_OFFSET
  when 'celsius'
    @temperature = kelvin_to_celcius
  else @temperature
  end
end

conv(unit) click to toggle source

# File lib/unit.rb, line 15
def conv(unit)
  @unit = unit
  if @current_unit == 'celsius'
    case_celsius
  elsif @current_unit == 'fahrenheit'
    case_fahrenheit
  elsif @current_unit == 'kelvin'
    case_kelvin
  end
end

fahrenheit_to_celcius() click to toggle source

# File lib/unit.rb, line 57
def fahrenheit_to_celcius
  @temperature = (temperature - FAHRENHEIT_OFFSET) / FAHRENHEIT_S
end

kelvin_to_celcius() click to toggle source

# File lib/unit.rb, line 61
def kelvin_to_celcius
  @temperature = temperature - KELVIN_SHIFT
end