initial commit

kinds.go

@@ -0,0 +1,30 @@
+package lottery
+
+import "fmt"
+
+type Kind string
+
+const (
+	KindLotto        Kind = "lotto"
+	KindEuroMillions Kind = "euromillions"
+	KindSetForLife   Kind = "setforlife"
+	KindThunderball  Kind = "thunderball"
+	KindPowerball    Kind = "powerball"
+)
+
+func ParseKind(kind string) (Kind, error) {
+	switch kind {
+	case "lotto":
+		return KindLotto, nil
+	case "euromillions":
+		return KindEuroMillions, nil
+	case "setforlife":
+		return KindSetForLife, nil
+	case "thunderball":
+		return KindThunderball, nil
+	case "powerball":
+		return KindPowerball, nil
+	default:
+		return "", fmt.Errorf("invalid lottery kind: %s", kind)
+	}
+}