Send/Receive support for reaction read syncs

ts/util/whatTypeOfConversation.ts

@@ -0,0 +1,17 @@
+// Copyright 2021 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { ConversationAttributesType } from '../model-types.d';
+
+export function isDirectConversation(
+  conversationAttrs: ConversationAttributesType
+): boolean {
+  return conversationAttrs.type === 'private';
+}
+
+export function isMe(conversationAttrs: ConversationAttributesType): boolean {
+  const { e164, uuid } = conversationAttrs;
+  const ourNumber = window.textsecure.storage.user.getNumber();
+  const ourUuid = window.textsecure.storage.user.getUuid();
+  return Boolean((e164 && e164 === ourNumber) || (uuid && uuid === ourUuid));
+}