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43 lines
1.2 KiB
TypeScript
43 lines
1.2 KiB
TypeScript
import { LastMessageStatusType } from '../state/ducks/conversations';
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import { Message } from './Message';
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interface ConversationLastMessageUpdate {
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lastMessage: string;
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lastMessageStatus: LastMessageStatusType;
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timestamp: number | undefined;
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}
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export const createLastMessageUpdate = ({
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currentTimestamp,
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lastMessage,
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lastMessageStatus,
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lastMessageNotificationText,
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}: {
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currentTimestamp?: number;
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lastMessage?: Message;
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lastMessageStatus?: LastMessageStatusType;
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lastMessageNotificationText?: string;
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}): ConversationLastMessageUpdate => {
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if (!lastMessage) {
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return {
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lastMessage: '',
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lastMessageStatus: undefined,
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timestamp: undefined,
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};
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}
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const { expirationTimerUpdate } = lastMessage;
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const isExpireTimerUpdateFromSync = Boolean(
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expirationTimerUpdate && expirationTimerUpdate.fromSync
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);
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const shouldUpdateTimestamp = Boolean(!isExpireTimerUpdateFromSync);
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const newTimestamp = shouldUpdateTimestamp ? lastMessage.sent_at : currentTimestamp;
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return {
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lastMessage: lastMessageNotificationText || '',
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lastMessageStatus: lastMessageStatus || undefined,
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timestamp: newTimestamp || undefined,
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};
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};
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