Module: Monetize
- Defined in:
- lib/monetize.rb,
lib/monetize/version.rb
Constant Summary collapse
- VERSION =
"0.1.3"
Class Method Summary collapse
- .extract_cents(input, currency = Money.default_currency) ⇒ Object
- .from_bigdecimal(value, currency = Money.default_currency) ⇒ Object
- .from_fixnum(value, currency = Money.default_currency) ⇒ Object
- .from_float(value, currency = Money.default_currency) ⇒ Object
- .from_numeric(value, currency = Money.default_currency) ⇒ Object
- .from_string(value, currency = Money.default_currency) ⇒ Object
- .parse(input, currency = Money.default_currency) ⇒ Object
Class Method Details
.extract_cents(input, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 62 def self.extract_cents(input, currency = Money.default_currency) num = input.gsub(/[^\d.,'-]/, '') negative = num =~ /^-|-$/ ? true : false decimal_char = currency.decimal_mark num = num.sub(/^-|-$/, '') if negative if num.include?('-') raise ArgumentError, "Invalid currency amount (hyphen)" end num.chop! if num.match(/[\.|,]$/) used_delimiters = num.scan(/[^\d]/) case used_delimiters.uniq.length when 0 major, minor = num, 0 when 2 thousands_separator, decimal_mark = used_delimiters.uniq major, minor = num.gsub(thousands_separator, '').split(decimal_mark) min = 0 unless min when 1 decimal_mark = used_delimiters.first if decimal_char == decimal_mark major, minor = num.split(decimal_char) else if num.scan(decimal_mark).length > 1 # multiple matches; treat as decimal_mark major, minor = num.gsub(decimal_mark, ''), 0 else possible_major, possible_minor = num.split(decimal_mark) possible_major ||= "0" possible_minor ||= "00" if possible_minor.length != 3 # thousands_separator major, minor = possible_major, possible_minor else if possible_major.length > 3 major, minor = possible_major, possible_minor else if decimal_mark == '.' major, minor = possible_major, possible_minor else major, minor = "#{possible_major}#{possible_minor}", 0 end end end end end else raise ArgumentError, "Invalid currency amount" end cents = major.to_i * currency.subunit_to_unit minor = minor.to_s minor = if minor.size < currency.decimal_places (minor + ("0" * currency.decimal_places))[0,currency.decimal_places].to_i elsif minor.size > currency.decimal_places if minor[currency.decimal_places,1].to_i >= 5 minor[0,currency.decimal_places].to_i+1 else minor[0,currency.decimal_places].to_i end else minor.to_i end cents += minor negative ? cents * -1 : cents end |
.from_bigdecimal(value, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 43 def self.from_bigdecimal(value, currency = Money.default_currency) currency = Money::Currency.wrap(currency) value = value * currency.subunit_to_unit value = value.round unless Money.infinite_precision Money.new(value, currency) end |
.from_fixnum(value, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 32 def self.from_fixnum(value, currency = Money.default_currency) currency = Money::Currency.wrap(currency) value = value * currency.subunit_to_unit Money.new(value, currency) end |
.from_float(value, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 38 def self.from_float(value, currency = Money.default_currency) value = BigDecimal.new(value.to_s) from_bigdecimal(value, currency) end |
.from_numeric(value, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 50 def self.from_numeric(value, currency = Money.default_currency) case value when Fixnum from_fixnum(value, currency) when Numeric value = BigDecimal.new(value.to_s) from_bigdecimal(value, currency) else raise ArgumentError, "'value' should be a type of Numeric" end end |
.from_string(value, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 27 def self.from_string(value, currency = Money.default_currency) value = BigDecimal.new(value.to_s) from_bigdecimal(value, currency) end |
.parse(input, currency = Money.default_currency) ⇒ Object
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# File 'lib/monetize.rb', line 7 def self.parse(input, currency = Money.default_currency) input = input.to_s.strip computed_currency = if Money.assume_from_symbol && input =~ /^(\$|€|£)/ case input when /^\$/ then "USD" when /^€/ then "EUR" when /^£/ then "GBP" end else input[/[A-Z]{2,3}/] end currency = computed_currency || currency || Money.default_currency currency = Money::Currency.wrap(currency) fractional = extract_cents(input, currency) Money.new(fractional, currency) end |