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

81 lines
2.2 KiB
TypeScript

import React from 'react';
import { dequal } from 'dequal';
import I18n from '../../i18n';
import styles from './styles';
import { MarkdownPreview } from '../markdown';
import { E2E_MESSAGE_TYPE, E2E_STATUS } from '../../lib/constants';
import { ILastMessageProps } from './interfaces';
import { useTheme } from '../../theme';
const formatMsg = ({ lastMessage, type, showLastMessage, username, useRealName }: Partial<ILastMessageProps>) => {
if (!showLastMessage) {
return '';
}
if (!lastMessage || !lastMessage.u) {
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 userAttachment = () => {
if (isLastMessageSentByMe) {
return I18n.t('You');
}
if (useRealName && lastMessage.u.name) {
return lastMessage.u.name;
}
return lastMessage.u.username;
};
return I18n.t('User_sent_an_attachment', { user: userAttachment() });
}
// 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 = `${useRealName ? name : lastMessage.u.username}: `;
}
if (lastMessage.t === 'videoconf') {
prefix = '';
lastMessage.msg = I18n.t('Call_started');
}
return `${prefix}${lastMessage.msg}`;
};
const arePropsEqual = (oldProps: any, newProps: any) => dequal(oldProps, newProps);
const LastMessage = React.memo(({ lastMessage, type, showLastMessage, username, alert, useRealName }: ILastMessageProps) => {
const { colors } = useTheme();
return (
<MarkdownPreview
msg={formatMsg({
lastMessage,
type,
showLastMessage,
username,
useRealName
})}
style={[styles.markdownText, { color: alert ? colors.bodyText : colors.auxiliaryText }]}
numberOfLines={2}
/>
);
}, arePropsEqual);
export default LastMessage;