jiti-meet/react/features/polls/subscriber.js

131 lines
4.1 KiB
JavaScript

// @flow
import { getCurrentConference } from '../base/conference';
import { JitsiConferenceEvents } from '../base/lib-jitsi-meet';
import { StateListenerRegistry } from '../base/redux';
import {
NOTIFICATION_TIMEOUT_TYPE,
NOTIFICATION_TYPE,
showNotification
} from '../notifications';
import { clearPolls, receiveAnswer, receivePoll } from './actions';
import { COMMAND_NEW_POLL, COMMAND_ANSWER_POLL, COMMAND_OLD_POLLS } from './constants';
import type { Answer, Poll } from './types';
const parsePollData = (pollData): Poll | null => {
if (typeof pollData !== 'object' || pollData === null) {
return null;
}
const { id, senderId, senderName, question, answers } = pollData;
if (typeof id !== 'string' || typeof senderId !== 'string' || typeof senderName !== 'string'
|| typeof question !== 'string' || !(answers instanceof Array)) {
return null;
}
const answersParsed = [];
for (const answer of answers) {
const voters = new Map();
for (const [ voterId, voter ] of Object.entries(answer.voters)) {
if (typeof voter !== 'string') {
return null;
}
voters.set(voterId, voter);
}
answersParsed.push({
name: answer.name,
voters
});
}
return {
changingVote: false,
senderId,
senderName,
question,
showResults: true,
lastVote: null,
answers: answersParsed
};
};
StateListenerRegistry.register(
state => getCurrentConference(state),
(conference, store, previousConference) => {
if (conference && conference !== previousConference) {
const receiveMessage = (_, data) => {
switch (data.type) {
case COMMAND_NEW_POLL: {
const { question, answers, pollId, senderId, senderName } = data;
const poll = {
changingVote: false,
senderId,
senderName,
showResults: false,
lastVote: null,
question,
answers: answers.map(answer => {
return {
name: answer,
voters: new Map()
};
})
};
store.dispatch(receivePoll(pollId, poll, true));
store.dispatch(showNotification({
appearance: NOTIFICATION_TYPE.NORMAL,
titleKey: 'polls.notification.title',
descriptionKey: 'polls.notification.description'
}, NOTIFICATION_TIMEOUT_TYPE.MEDIUM));
break;
}
case COMMAND_ANSWER_POLL: {
const { pollId, answers, voterId, voterName } = data;
const receivedAnswer: Answer = {
voterId,
voterName,
pollId,
answers
};
store.dispatch(receiveAnswer(pollId, receivedAnswer));
break;
}
case COMMAND_OLD_POLLS: {
const { polls } = data;
for (const pollData of polls) {
const poll = parsePollData(pollData);
if (poll === null) {
console.warn('[features/polls] Invalid old poll data');
} else {
store.dispatch(receivePoll(pollData.id, poll, false));
}
}
break;
}
}
};
conference.on(JitsiConferenceEvents.ENDPOINT_MESSAGE_RECEIVED, receiveMessage);
conference.on(JitsiConferenceEvents.NON_PARTICIPANT_MESSAGE_RECEIVED, receiveMessage);
// clean old polls
store.dispatch(clearPolls());
}
}
);