36 lines
785 B
Go
36 lines
785 B
Go
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package utils
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import (
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"fmt"
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"github.com/animenotifier/arn"
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"github.com/pariz/gountries"
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)
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// Current currency rates
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const (
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yenToEuro = 0.0075
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yenToDollar = 0.0093
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)
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var countryQuery = gountries.New()
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// YenToUserCurrency converts the Yen price to the user currency.
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func YenToUserCurrency(amount int, user *arn.User) string {
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if user == nil || user.Location.CountryName == "" {
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return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar)
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}
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country, err := countryQuery.FindCountryByName(user.Location.CountryName)
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if err != nil {
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return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar)
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}
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if arn.Contains(country.Currencies, "EUR") {
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return fmt.Sprintf("%.2f €", float64(amount)*yenToEuro)
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}
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return fmt.Sprintf("%.2f $", float64(amount)*yenToDollar)
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}
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