Rocket.Chat.ReactNative/app/lib/methods/loadSurroundingMessages.ts

63 lines
2.0 KiB
TypeScript

import EJSON from 'ejson';
import moment from 'moment';
import orderBy from 'lodash/orderBy';
import log from './helpers/log';
import { getMessageById } from '../database/services/Message';
import { MessageTypeLoad } from '../constants';
import sdk from '../services/sdk';
import { IMessage } from '../../definitions';
import updateMessages from './updateMessages';
import { generateLoadMoreId } from './helpers/generateLoadMoreId';
const COUNT = 50;
export function loadSurroundingMessages({ messageId, rid }: { messageId: string; rid: string }) {
return new Promise(async (resolve, reject) => {
try {
const data = await sdk.methodCallWrapper('loadSurroundingMessages', { _id: messageId, rid }, COUNT);
let messages: IMessage[] = EJSON.fromJSONValue(data?.messages);
messages = orderBy(messages, 'ts');
if (messages?.length) {
if (data?.moreBefore) {
const firstMessage = messages[0];
const firstMessageRecord = await getMessageById(firstMessage._id);
if (!firstMessageRecord) {
const loadMoreItem = {
_id: generateLoadMoreId(firstMessage._id),
rid: firstMessage.rid,
ts: moment(firstMessage.ts).subtract(1, 'millisecond').toDate(),
t: MessageTypeLoad.PREVIOUS_CHUNK,
msg: firstMessage.msg
} as IMessage;
messages.unshift(loadMoreItem);
}
}
if (data?.moreAfter) {
const lastMessage = messages[messages.length - 1];
const lastMessageRecord = await getMessageById(lastMessage._id);
if (!lastMessageRecord) {
const loadMoreItem = {
_id: generateLoadMoreId(lastMessage._id),
rid: lastMessage.rid,
ts: moment(lastMessage.ts).add(1, 'millisecond').toDate(),
t: MessageTypeLoad.NEXT_CHUNK,
msg: lastMessage.msg
} as IMessage;
messages.push(loadMoreItem);
}
}
await updateMessages({ rid, update: messages });
return resolve(messages);
}
return resolve([]);
} catch (e) {
log(e);
reject(e);
}
});
}