Rocket.Chat.ReactNative/app/presentation/RoomItem/LastMessage.tsx

85 lines
2.2 KiB
TypeScript

import React from 'react';
import { dequal } from 'dequal';
import I18n from '../../i18n';
import styles from './styles';
import { MarkdownPreview } from '../../containers/markdown';
import { themes } from '../../constants/colors';
import { E2E_MESSAGE_TYPE, E2E_STATUS } from '../../lib/constants';
interface ILastMessage {
theme: string;
lastMessage: {
u: any;
pinned: boolean;
t: string;
attachments: any;
msg: string;
e2e: string;
};
type: string;
showLastMessage: boolean;
username: string;
useRealName: boolean;
alert: boolean;
}
const formatMsg = ({ lastMessage, type, showLastMessage, username, useRealName }: Partial<ILastMessage>) => {
if (!showLastMessage) {
return '';
}
if (!lastMessage || !lastMessage.u || lastMessage.pinned) {
return I18n.t('No_Message');
}
if (lastMessage.t === 'jitsi_call_started') {
const { u } = lastMessage;
return I18n.t('Started_call', { userBy: u.username });
}
let prefix = '';
const isLastMessageSentByMe = lastMessage.u.username === username;
if (!lastMessage.msg && lastMessage.attachments && Object.keys(lastMessage.attachments).length) {
const user = isLastMessageSentByMe ? I18n.t('You') : lastMessage.u.username;
return I18n.t('User_sent_an_attachment', { user });
}
// Encrypted message pending decrypt
if (lastMessage.t === E2E_MESSAGE_TYPE && lastMessage.e2e !== E2E_STATUS.DONE) {
lastMessage.msg = I18n.t('Encrypted_message');
}
if (isLastMessageSentByMe) {
prefix = I18n.t('You_colon');
} else if (type !== 'd') {
const {
u: { name }
} = lastMessage;
prefix = `${useRealName ? name : lastMessage.u.username}: `;
}
return `${prefix}${lastMessage.msg}`;
};
const arePropsEqual = (oldProps: any, newProps: any) => dequal(oldProps, newProps);
const LastMessage = React.memo(
({ lastMessage, type, showLastMessage, username, alert, useRealName, theme }: ILastMessage) => (
<MarkdownPreview
msg={formatMsg({
lastMessage,
type,
showLastMessage,
username,
useRealName
})}
style={[styles.markdownText, { color: alert ? themes[theme].bodyText : themes[theme].auxiliaryText }]}
numberOfLines={2}
testID='room-item-last-message'
/>
),
arePropsEqual
);
export default LastMessage;