import transaction from firefly iii

pkg/utils/numbers.go

@@ -3,6 +3,7 @@ package utils
 import (
 	"crypto/rand"
 	"math/big"
+	"strings"
 )
 
 // GetRandomInteger returns a random number, the max parameter represents upper limit
@@ -15,3 +16,32 @@ func GetRandomInteger(max int) (int, error) {
 
 	return int(result.Int64()), nil
 }
+
+// TrimTrailingZerosInDecimal returns a textual number without trailing zeros in decimal
+func TrimTrailingZerosInDecimal(num string) string {
+	if len(num) < 1 {
+		return num
+	}
+
+	dotPosition := strings.Index(num, ".")
+
+	if dotPosition < 0 {
+		return num
+	}
+
+	lastNonZeroPosition := len(num)
+
+	for i := len(num) - 1; i > dotPosition+1; i-- {
+		if num[i] == '0' {
+			lastNonZeroPosition = i
+		} else {
+			break
+		}
+	}
+
+	if lastNonZeroPosition >= len(num) {
+		return num
+	}
+
+	return num[0:lastNonZeroPosition]
+}