53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
import { useContext, useEffect } from 'react';
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import _ from 'lodash';
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import { ChatContext, ACTIONS } from './context';
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import { UsersContext } from '../users-context/context';
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import ChatLogger from '/imports/ui/components/chat/chat-logger/ChatLogger';
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let usersData = {};
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let messageQueue = [];
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const Adapter = () => {
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const usingChatContext = useContext(ChatContext);
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const { dispatch } = usingChatContext;
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const usingUsersContext = useContext(UsersContext);
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const { users } = usingUsersContext;
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ChatLogger.trace('chatAdapter::body::users', users);
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useEffect(() => {
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usersData = users;
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}, [usingUsersContext]);
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useEffect(() => {
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// TODO: listen to websocket message to avoid full list comparsion
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const throttledDispatch = _.throttle(() => {
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const dispatchedMessageQueue = [...messageQueue];
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messageQueue = [];
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dispatch({
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type: ACTIONS.ADDED,
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value: dispatchedMessageQueue,
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});
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}, 1000, { trailing: true, leading: true });
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Meteor.connection._stream.socket.addEventListener('message', (msg) => {
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if (msg.data.indexOf('{"msg":"added","collection":"group-chat-msg"') != -1) {
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const parsedMsg = JSON.parse(msg.data);
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if (parsedMsg.msg === 'added') {
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messageQueue.push({
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msg: parsedMsg.fields,
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});
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throttledDispatch();
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}
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}
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if (msg.data.indexOf('{"msg":"removed","collection":"group-chat-msg"') != -1) {
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dispatch({
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type: ACTIONS.REMOVED,
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});
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}
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});
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}, []);
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return null;
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};
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export default Adapter;
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