Sha256: 3df079e9acc4ddfddc27f8ef4e30c6406e03035bf01ba88d070a451302002220
Contents?: true
Size: 846 Bytes
Versions: 101
Compression:
Stored size: 846 Bytes
Contents
class Knj::Exchangerates
attr_reader :rates
def initialize(args = {})
@rates = {}
end
def base=(data)
@base = data[:locale].to_s
self.add_rate(data)
end
def add_rate(data)
if !data[:locale] or data[:locale].to_s.length <= 0
raise "Invalid locale given."
end
@rates[data[:locale].to_s] = data
end
def value(locale, floatval)
floatval = floatval.to_f
locale = locale.to_s
raise "No such locale: '#{locale}' in '#{@rates.keys.join(",")}'." if !@rates.key?(locale)
base_rate = @rates[@base][:rate].to_f
cur_rate = @rates[locale][:rate].to_f
if base_rate == cur_rate
return floatval
elsif cur_rate < base_rate
diff = 1 + (base_rate - cur_rate)
return floatval * diff
else
return floatval / cur_rate
end
end
end
Version data entries
101 entries across 101 versions & 1 rubygems