signal-desktop/ts/util/getRecipients.ts
2022-06-30 20:52:03 -04:00

51 lines
1.6 KiB
TypeScript

// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { compact, uniq } from 'lodash';
import type { ConversationAttributesType } from '../model-types.d';
import { getConversationMembers } from './getConversationMembers';
import { getSendTarget } from './getSendTarget';
import { isDirectConversation, isMe } from './whatTypeOfConversation';
import { isNotNil } from './isNotNil';
export function getRecipients(
conversationAttributes: ConversationAttributesType,
{
includePendingMembers,
extraConversationsForSend,
}: {
includePendingMembers?: boolean;
extraConversationsForSend?: Array<string>;
} = {}
): Array<string> {
if (isDirectConversation(conversationAttributes)) {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
return [getSendTarget(conversationAttributes)!];
}
const members = getConversationMembers(conversationAttributes, {
includePendingMembers,
});
// There are cases where we need to send to someone we just removed from the group, to
// let them know that we removed them. In that case, we need to send to more than
// are currently in the group.
const extraConversations = extraConversationsForSend
? extraConversationsForSend
.map(id => window.ConversationController.get(id)?.attributes)
.filter(isNotNil)
: [];
const uniqueMembers = extraConversations.length
? uniq([...members, ...extraConversations])
: members;
// Eliminate ourself
return compact(
uniqueMembers.map(memberAttrs =>
isMe(memberAttrs) ? null : getSendTarget(memberAttrs)
)
);
}