50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type {
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ConversationAttributesType,
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ReadonlyMessageAttributesType,
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} from '../model-types.d';
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import { isIncoming, isOutgoing } from '../state/selectors/message';
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import { getTitle } from './getTitle';
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function getIncomingContact(
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messageAttributes: ReadonlyMessageAttributesType
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): ConversationAttributesType | undefined {
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if (!isIncoming(messageAttributes)) {
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return undefined;
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}
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const { sourceServiceId } = messageAttributes;
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if (!sourceServiceId) {
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return undefined;
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}
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return window.ConversationController.getOrCreate(sourceServiceId, 'private')
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.attributes;
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}
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export function getMessageAuthorText(
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messageAttributes?: ReadonlyMessageAttributesType
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): string | undefined {
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if (!messageAttributes) {
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return undefined;
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}
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// if it's outgoing, it must be self-authored
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const selfAuthor = isOutgoing(messageAttributes)
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? window.i18n('icu:you')
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: undefined;
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if (selfAuthor) {
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return selfAuthor;
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}
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const incomingContact = getIncomingContact(messageAttributes);
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if (incomingContact) {
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return getTitle(incomingContact, { isShort: true });
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}
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// if it's not selfAuthor and there's no incoming contact,
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// it might be a group notification, so we return undefined
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return undefined;
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}
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