package utils import ( "fmt" "github.com/animenotifier/arn" "github.com/pariz/gountries" ) // Current currency rates const ( yenToEuro = 0.0077 yenToDollar = 0.0090 ) var countryQuery = gountries.New() // YenToUserCurrency converts the Yen price to the user currency. func YenToUserCurrency(amount int, user *arn.User) string { if user == nil || user.Location.CountryName == "" { return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar) } country, err := countryQuery.FindCountryByName(user.Location.CountryName) if err != nil { return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar) } if arn.Contains(country.Currencies, "EUR") { return fmt.Sprintf("%.2f €", float64(amount)*yenToEuro) } return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar) }