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