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Improve Fixer currency conversion

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This commit is contained in:
Adrian Gallagher
2018-01-25 10:39:24 +11:00
parent baa994fe9b
commit e2ad8998bf
1 changed files with 4 additions and 5 deletions
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9
currency/currency.go
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@@ -207,8 +207,7 @@ func ConvertCurrency(amount float64, from, to string) (float64, error) {
return amount * result.Rate, nil
}
_, ok := CurrencyStoreFixer[from]
if !ok {
if len(CurrencyStoreFixer) == 0 {
err := FetchFixerCurrencyData()
if err != nil {
return 0, err
@@ -220,7 +219,7 @@ func ConvertCurrency(amount float64, from, to string) (float64, error) {
// First check if we're converting to USD, USD doesn't exist in the rates map
if to == "USD" {
resultFrom, ok = CurrencyStoreFixer[from]
resultFrom, ok := CurrencyStoreFixer[from]
if !ok {
return 0, ErrCurrencyNotFound
}
@@ -229,7 +228,7 @@ func ConvertCurrency(amount float64, from, to string) (float64, error) {
// Check to see if we're converting from USD
if from == "USD" {
resultTo, ok = CurrencyStoreFixer[to]
resultTo, ok := CurrencyStoreFixer[to]
if !ok {
return 0, ErrCurrencyNotFound
}
@@ -237,7 +236,7 @@ func ConvertCurrency(amount float64, from, to string) (float64, error) {
}
// Otherwise convert to USD, then to the target currency
resultFrom, ok = CurrencyStoreFixer[from]
resultFrom, ok := CurrencyStoreFixer[from]
if !ok {
return 0, ErrCurrencyNotFound
}