Move receipts and view/read syncs to new syncTasks system

ts/state/selectors/items-extra.ts

@@ -0,0 +1,38 @@
+// Copyright 2019 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { createSelector } from 'reselect';
+
+import { getUserACI } from './user';
+import { getConversationSelector } from './conversations';
+import { getRemoteConfig, isRemoteConfigFlagEnabled } from './items';
+
+import type { AciString } from '../../types/ServiceId';
+import type { ConfigMapType } from '../../RemoteConfig';
+import type { GetConversationByIdType } from './conversations';
+
+export const getDeleteSyncSendEnabled = createSelector(
+  getUserACI,
+  getConversationSelector,
+  getRemoteConfig,
+  (
+    aci: AciString | undefined,
+    conversationSelector: GetConversationByIdType,
+    remoteConfig: ConfigMapType
+  ): boolean => {
+    if (!aci) {
+      return false;
+    }
+    const ourConversation = conversationSelector(aci);
+    if (!ourConversation) {
+      return false;
+    }
+
+    const { capabilities } = ourConversation;
+    if (!capabilities || !capabilities.deleteSync) {
+      return false;
+    }
+
+    return isRemoteConfigFlagEnabled(remoteConfig, 'desktop.deleteSync.send');
+  }
+);