2018-04-12 00:49:46 +02:00
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import { Message } from './Message';
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interface ConversationLastMessageUpdate {
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2019-01-14 22:49:58 +01:00
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lastMessage: string;
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2019-04-01 18:50:45 +02:00
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lastMessageStatus: string | null;
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timestamp: number | null;
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2018-04-12 00:49:46 +02:00
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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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2018-07-18 05:25:55 +02:00
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lastMessageStatus,
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2018-04-12 00:49:46 +02:00
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lastMessageNotificationText,
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}: {
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2019-01-14 22:49:58 +01:00
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currentTimestamp?: number;
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lastMessage?: Message;
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lastMessageStatus?: string;
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lastMessageNotificationText?: string;
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2018-04-12 00:49:46 +02:00
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}): ConversationLastMessageUpdate => {
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2019-01-14 22:49:58 +01:00
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if (!lastMessage) {
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2018-04-12 00:49:46 +02:00
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return {
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lastMessage: '',
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2019-04-01 18:50:45 +02:00
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lastMessageStatus: null,
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timestamp: null,
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2018-04-12 00:49:46 +02:00
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};
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}
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2018-07-21 01:37:57 +02:00
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const { type, expirationTimerUpdate } = lastMessage;
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2018-04-12 00:49:46 +02:00
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const isVerifiedChangeMessage = type === 'verified-change';
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2019-01-14 22:49:58 +01:00
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const isExpireTimerUpdateFromSync = Boolean(
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expirationTimerUpdate && expirationTimerUpdate.fromSync
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);
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2019-04-12 23:06:34 +02:00
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2019-01-14 22:49:58 +01:00
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const shouldUpdateTimestamp = Boolean(
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!isVerifiedChangeMessage && !isExpireTimerUpdateFromSync
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);
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2018-04-13 22:25:52 +02:00
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const newTimestamp = shouldUpdateTimestamp
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? lastMessage.sent_at
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: currentTimestamp;
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2018-04-12 00:49:46 +02:00
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const shouldUpdateLastMessageText = !isVerifiedChangeMessage;
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2018-04-13 22:25:52 +02:00
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const newLastMessageText = shouldUpdateLastMessageText
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? lastMessageNotificationText
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2019-04-12 23:06:34 +02:00
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: '';
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2018-04-12 00:49:46 +02:00
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return {
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2019-01-14 22:49:58 +01:00
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lastMessage: newLastMessageText || '',
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2019-04-01 18:50:45 +02:00
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lastMessageStatus: lastMessageStatus || null,
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timestamp: newTimestamp || null,
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2018-04-12 00:49:46 +02:00
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};
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};
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