refactor options to be more generic

utils/utils.go

@@ -1,6 +1,9 @@
 package utils
 
-import "strings"
+import (
+	"strconv"
+	"strings"
+)
 
 // Mailbox returns mailbox part from email address
 func Mailbox(email string) string {
@@ -25,3 +28,8 @@ func Bool(str string) bool {
 
 	return (str == "1" || str == "true" || str == "yes")
 }
+
+// SanitizeBoolString converts string to boolean and back to string
+func SanitizeBoolString(str string) string {
+	return strconv.FormatBool(Bool(str))
+}