Update nav tab badges, fix several call tabs issues

ts/util/countUnreadStats.ts

@@ -0,0 +1,92 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { ConversationType } from '../state/ducks/conversations';
+import { isConversationMuted } from './isConversationMuted';
+
+/**
+ * This can be used to describe unread counts of chats, stories, and calls,
+ * individually or all of them together.
+ */
+export type UnreadStats = Readonly<{
+  unreadCount: number;
+  unreadMentionsCount: number;
+  markedUnread: boolean;
+}>;
+
+function getEmptyUnreadStats(): UnreadStats {
+  return {
+    unreadCount: 0,
+    unreadMentionsCount: 0,
+    markedUnread: false,
+  };
+}
+
+export type UnreadStatsOptions = Readonly<{
+  includeMuted: boolean;
+}>;
+
+type ConversationPropsForUnreadStats = Readonly<
+  Pick<
+    ConversationType,
+    | 'activeAt'
+    | 'isArchived'
+    | 'markedUnread'
+    | 'muteExpiresAt'
+    | 'unreadCount'
+    | 'unreadMentionsCount'
+  >
+>;
+
+function canCountConversation(
+  conversation: ConversationPropsForUnreadStats,
+  options: UnreadStatsOptions
+): boolean {
+  if (conversation.activeAt == null || conversation.activeAt === 0) {
+    return false;
+  }
+  if (conversation.isArchived) {
+    return false;
+  }
+  if (!options.includeMuted && isConversationMuted(conversation)) {
+    return false;
+  }
+  return true;
+}
+
+export function countConversationUnreadStats(
+  conversation: ConversationPropsForUnreadStats,
+  options: UnreadStatsOptions
+): UnreadStats {
+  if (canCountConversation(conversation, options)) {
+    return {
+      unreadCount: conversation.unreadCount ?? 0,
+      unreadMentionsCount: conversation.unreadMentionsCount ?? 0,
+      markedUnread: conversation.markedUnread ?? false,
+    };
+  }
+  return getEmptyUnreadStats();
+}
+
+export function countAllConversationsUnreadStats(
+  conversations: ReadonlyArray<ConversationPropsForUnreadStats>,
+  options: UnreadStatsOptions
+): UnreadStats {
+  return conversations.reduce<UnreadStats>((total, conversation) => {
+    const stats = countConversationUnreadStats(conversation, options);
+    return {
+      unreadCount: total.unreadCount + stats.unreadCount,
+      unreadMentionsCount:
+        total.unreadMentionsCount + stats.unreadMentionsCount,
+      markedUnread: total.markedUnread || stats.markedUnread,
+    };
+  }, getEmptyUnreadStats());
+}
+
+export function hasUnread(unreadStats: UnreadStats): boolean {
+  return (
+    unreadStats.unreadCount > 0 ||
+    unreadStats.unreadMentionsCount > 0 ||
+    unreadStats.markedUnread
+  );
+}