+ static JsonReceiptMessage from(MessageEnvelope.Receipt receiptMessage) {
+ final var when = receiptMessage.when();
+ final var isDelivery = receiptMessage.type() == MessageEnvelope.Receipt.Type.DELIVERY;
+ final var isRead = receiptMessage.type() == MessageEnvelope.Receipt.Type.READ;
+ final var isViewed = receiptMessage.type() == MessageEnvelope.Receipt.Type.VIEWED;
+ final var timestamps = receiptMessage.timestamps();
+ return new JsonReceiptMessage(when, isDelivery, isRead, isViewed, timestamps);
+ }