lib/yahoo_weather/atmosphere.rb
class YahooWeather::Atmosphere
class Barometer
STEADY = 'steady'
RISING = 'rising'
FALLING = 'falling'
# lists all possible barometer constants
ALL = [STEADY, RISING, FALLING]
end
attr_reader :humidity, :visibility, :pressure, :barometer
def initialize(payload)
@humidity = payload['humidity'].to_i
@visibility = payload['visibility'].to_f
@pressure = payload['pressure'].to_f
# map barometric pressure direction to appropriate constant
@barometer = nil
case payload['rising'].to_i
when 0
@barometer = Barometer::STEADY
when 1
@barometer = Barometer::RISING
when 2
@barometer = Barometer::FALLING
end
end
end