Update template email

internal/constants/constants.go

@@ -1,5 +1,10 @@
 package constants
 
+import (
+	"github.com/google/uuid"
+	"time"
+)
+
 const (
 	ContextRequestID string = "requestId"
 )
@@ -9,3 +14,41 @@ type UserType string
 func (u UserType) toString() string {
 	return string(u)
 }
+
+const (
+	StatusPending  = "PENDING"
+	StatusPaid     = "PAID"
+	StatusCanceled = "CANCELED"
+	StatusExpired  = "EXPIRED"
+	StatusExecuted = "EXECUTED"
+)
+
+const (
+	PaymentCash       = "CASH"
+	PaymentCreditCard = "CREDIT_CARD"
+	PaymentDebitCard  = "DEBIT_CARD"
+	PaymentEWallet    = "E_WALLET"
+)
+
+const (
+	SourcePOS    = "POS"
+	SourceMobile = "MOBILE"
+	SourceWeb    = "WEB"
+)
+
+const (
+	DefaultInquiryExpiryDuration = 30 * time.Minute
+)
+
+func GenerateUUID() string {
+	return uuid.New().String()
+}
+
+func GenerateRefID() string {
+	now := time.Now()
+	return now.Format("20060102") + "-" + uuid.New().String()[:8]
+}
+
+var TimeNow = func() time.Time {
+	return time.Now()
+}