// Get tries to retrieve a currency
func (p ConfigCurrency) Get(sg config.ScopedGetter) (Currency, error) {
cur := p.Str.Get(sg)
u, err := currency.ParseISO(cur)
if err != nil {
return Currency{}, errgo.Mask(err)
}
return Currency{Unit: u}, nil
}
// BaseCurrencyCode returns the base currency code of a website TODO.
func (w *Website) BaseCurrencyCode() (currency.Currency, error) {
var c string
if w.Config.GetString(PathPriceScope) == PriceScopeGlobal {
c, _ = w.cr.GetString(config.Path(directory.PathCurrencyBase)) // TODO check for error
} else {
c = w.Config.GetString(directory.PathCurrencyBase)
}
return currency.ParseISO(c)
}
// Format returns a money format struct with the money int64 value, as well as curency code and symbol
// NOTE that `symbol(code)` is a `currency.Value` and has a `Format()` function but it seems easier to use fmt.
func (m *Money) Format(isoCode string) (MoneyFormat, error) {
var mf = MoneyFormat{MoneyVal: m}
code, err := currency.ParseISO(isoCode)
if err != nil {
return mf, err
}
mf.IsoCode = code.String()
mf.Symbol = fmt.Sprintf("%v", currencySymbolFunc(code))
return mf, nil
}
// SetCurrencyISO parses a 3-letter ISO 4217 code and sets it to the Currency
// struct. If parsing fails errors will be logged and falls back to DefaultCurrencyName.
// Calling this function sets also the CurrencySign() to the at the moment
// 3-letter ISO code. (Missing feature in text/currency package)
// This function is called in NewCurrency().
func SetCurrencyISO(cur string) CurrencyOptions {
return func(c *Currency) CurrencyOptions {
previous := c.ISO.String()
lc, err := currency.ParseISO(cur)
if err != nil {
if PkgLog.IsDebug() {
PkgLog.Debug("i18n.CurrencyISO.ParseCurrency.error", "err", err, "cur", cur)
}
lc = currency.MustParseISO(DefaultCurrencyName)
}
c.ISO = lc
SetCurrencySign([]byte(lc.String()))(c)
return SetCurrencyISO(previous)
}
}