Send/Receive support for reaction read syncs

ts/services/MessageUpdater.ts

@@ -0,0 +1,87 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { MessageAttributesType } from '../model-types.d';
+
+export function markRead(
+  messageAttrs: MessageAttributesType,
+  readAt?: number,
+  { skipSave = false } = {}
+): MessageAttributesType {
+  const nextMessageAttributes = {
+    ...messageAttrs,
+    unread: false,
+  };
+
+  const { id: messageId, expireTimer, expirationStartTimestamp } = messageAttrs;
+
+  if (expireTimer && !expirationStartTimestamp) {
+    nextMessageAttributes.expirationStartTimestamp = Math.min(
+      Date.now(),
+      readAt || Date.now()
+    );
+  }
+
+  window.Whisper.Notifications.removeBy({ messageId });
+
+  if (!skipSave) {
+    window.Signal.Util.queueUpdateMessage(nextMessageAttributes);
+  }
+
+  return nextMessageAttributes;
+}
+
+export function getExpiresAt(
+  messageAttrs: Pick<
+    MessageAttributesType,
+    'expireTimer' | 'expirationStartTimestamp'
+  >
+): number | undefined {
+  const expireTimerMs = messageAttrs.expireTimer * 1000;
+  return messageAttrs.expirationStartTimestamp
+    ? messageAttrs.expirationStartTimestamp + expireTimerMs
+    : undefined;
+}
+
+export function setToExpire(
+  messageAttrs: MessageAttributesType,
+  { force = false, skipSave = false } = {}
+): MessageAttributesType {
+  if (!isExpiring(messageAttrs) || (!force && messageAttrs.expires_at)) {
+    return messageAttrs;
+  }
+
+  const expiresAt = getExpiresAt(messageAttrs);
+
+  if (!expiresAt) {
+    return messageAttrs;
+  }
+
+  const nextMessageAttributes = {
+    ...messageAttrs,
+    expires_at: expiresAt,
+  };
+
+  window.log.info('Set message expiration', {
+    start: messageAttrs.expirationStartTimestamp,
+    expiresAt,
+    sentAt: messageAttrs.sent_at,
+  });
+
+  if (messageAttrs.id && !skipSave) {
+    window.Signal.Util.queueUpdateMessage(nextMessageAttributes);
+  }
+
+  return nextMessageAttributes;
+}
+
+function isExpiring(
+  messageAttrs: Pick<
+    MessageAttributesType,
+    'expireTimer' | 'expirationStartTimestamp'
+  >
+): boolean {
+  return Boolean(
+    messageAttrs.expireTimer && messageAttrs.expirationStartTimestamp
+  );
+}