fix: message undelivered event

Signed-off-by: sarthakjdev <jsarthak448@gmail.com>

Author: sarthakjdev

manager/webhook_manager.go

@@ -372,7 +372,7 @@ func (wh *WebhookManager) handleMessagesSubscriptionEvents(payload HandleMessage
 					failedReason := ""
 					if len(status.Errors) > 0 {
 						for _, err := range status.Errors {
-							failedReason = err.Message
+							failedReason = err.Title
 							break
 						}
 					}
@@ -381,6 +381,20 @@ func (wh *WebhookManager) handleMessagesSubscriptionEvents(payload HandleMessage
 						Timestamp: status.Timestamp,
 					}, status.Id, status.RecipientId, failedReason))
 				}
+			case string(MessageStatusUnDelivered):
+				{
+					undeliveredReason := ""
+					if len(status.Errors) > 0 {
+						for _, err := range status.Errors {
+							undeliveredReason = err.Title
+							break
+						}
+					}
+
+					wh.EventManager.Publish(events.MessageUndeliveredEventType, events.NewMessageUndeliveredEvent(events.BaseSystemEvent{
+						Timestamp: status.Timestamp,
+					}, status.Id, status.RecipientId, undeliveredReason))
+				}
 			}
 
 		}

pkg/events/message_undelivered_event.go

@@ -5,13 +5,15 @@ type MessageUndeliveredEvent struct {
 	BaseSystemEvent `json:",inline"`
 	MessageId       string `json:"messageId"`
 	SentTo          string `json:"sentTo"`
+	Reason          string `json:"reason"`
 }
 
 // NewMessageUndeliveredEvent creates a new instance of MessageUndeliveredEvent.
-func NewMessageUndeliveredEvent(baseSystemEvent BaseSystemEvent, messageId, sendTo string) *MessageUndeliveredEvent {
+func NewMessageUndeliveredEvent(baseSystemEvent BaseSystemEvent, messageId, sendTo, reason string) *MessageUndeliveredEvent {
 	return &MessageUndeliveredEvent{
 		BaseSystemEvent: baseSystemEvent,
 		MessageId:       messageId,
 		SentTo:          sendTo,
+		Reason:          reason,
 	}
 }