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Contents
# frozen_string_literal: true
require 'bigdecimal'
class Money
module Helpers
module_function
NUMERIC_REGEX = /\A\s*[\+\-]?(\d+|\d*\.\d+)\s*\z/
DECIMAL_ZERO = BigDecimal(0).freeze
MAX_DECIMAL = 21
def value_to_decimal(num)
value =
case num
when Money
num.value
when BigDecimal
num
when nil, 0, ''
DECIMAL_ZERO
when Integer
BigDecimal(num)
when Float
BigDecimal(num, Float::DIG)
when Rational
BigDecimal(num, MAX_DECIMAL)
when String
string_to_decimal(num)
else
raise ArgumentError, "could not parse as decimal #{num.inspect}"
end
return DECIMAL_ZERO if value.sign == BigDecimal::SIGN_NEGATIVE_ZERO
value
end
def value_to_currency(currency)
case currency
when Money::Currency, Money::NullCurrency
currency
when nil, ''
default = Money.current_currency || Money.default_currency
raise(ArgumentError, 'missing currency') if default.nil? || default == ''
value_to_currency(default)
when 'xxx', 'XXX'
Money::NULL_CURRENCY
when String
begin
Currency.find!(currency)
rescue Money::Currency::UnknownCurrency => error
Money.deprecate(error.message)
Money::NULL_CURRENCY
end
else
raise ArgumentError, "could not parse as currency #{currency.inspect}"
end
end
def string_to_decimal(num)
if num =~ NUMERIC_REGEX
return BigDecimal(num)
end
Money.deprecate("using Money.new('#{num}') is deprecated and will raise an ArgumentError in the next major release")
begin
BigDecimal(num)
rescue ArgumentError
DECIMAL_ZERO
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems