Module: Monetize
- Defined in:
- lib/monetize.rb,
lib/monetize/version.rb
Constant Summary collapse
- CURRENCY_SYMBOLS =
{ "$" => "USD", "€" => "EUR", "£" => "GBP", "R$" => "BRL", "R" => "ZAR" }
- VERSION =
"1.1.0"
Class Attribute Summary collapse
-
.assume_from_symbol ⇒ Object
Returns the value of attribute assume_from_symbol.
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, options = {}) ⇒ Object
Class Attribute Details
.assume_from_symbol ⇒ Object
Returns the value of attribute assume_from_symbol.
21 22 23 |
# File 'lib/monetize.rb', line 21 def assume_from_symbol @assume_from_symbol end |
Class Method Details
.extract_cents(input, currency = Money.default_currency) ⇒ Object
75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 |
# File 'lib/monetize.rb', line 75 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
56 57 58 59 60 61 |
# File 'lib/monetize.rb', line 56 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
45 46 47 48 49 |
# File 'lib/monetize.rb', line 45 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
51 52 53 54 |
# File 'lib/monetize.rb', line 51 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
63 64 65 66 67 68 69 70 71 72 73 |
# File 'lib/monetize.rb', line 63 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
40 41 42 43 |
# File 'lib/monetize.rb', line 40 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, options = {}) ⇒ Object
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 |
# File 'lib/monetize.rb', line 24 def self.parse(input, currency = Money.default_currency, = {}) input = input.to_s.strip computed_currency = if .fetch(:assume_from_symbol) { assume_from_symbol } compute_currency(input) 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 |