init project

internal/constants/transaction/transaction.go

@@ -0,0 +1,26 @@
+package transaction
+
+type PaymentStatus string
+
+const (
+	New    PaymentStatus = "NEW"
+	Paid   PaymentStatus = "PAID"
+	Cancel PaymentStatus = "CANCEL"
+)
+
+func (b PaymentStatus) toString() string {
+	return string(b)
+}
+
+type PaymentMethod string
+
+const (
+	Cash     PaymentMethod = "CASH"
+	Debit    PaymentMethod = "DEBIT"
+	Transfer PaymentMethod = "TRANSFER"
+	QRIS     PaymentMethod = "QRIS"
+)
+
+func (b PaymentMethod) toString() string {
+	return string(b)
+}