mastodon-glitch/app/javascript/mastodon/actions/streaming.js

168 lines
5.0 KiB
JavaScript

// @ts-check
import { connectStream } from '../stream';
import {
updateTimeline,
deleteFromTimelines,
expandHomeTimeline,
connectTimeline,
disconnectTimeline,
fillHomeTimelineGaps,
fillPublicTimelineGaps,
fillCommunityTimelineGaps,
fillListTimelineGaps,
} from './timelines';
import { updateNotifications, expandNotifications } from './notifications';
import { updateConversations } from './conversations';
import { updateStatus } from './statuses';
import {
fetchAnnouncements,
updateAnnouncements,
updateReaction as updateAnnouncementsReaction,
deleteAnnouncement,
} from './announcements';
import { getLocale } from '../locales';
const { messages } = getLocale();
/**
* @param {number} max
* @return {number}
*/
const randomUpTo = max =>
Math.floor(Math.random() * Math.floor(max));
/**
* @param {string} timelineId
* @param {string} channelName
* @param {Object.<string, string>} params
* @param {Object} options
* @param {function(Function, Function): void} [options.fallback]
* @param {function(): void} [options.fillGaps]
* @param {function(object): boolean} [options.accept]
* @return {function(): void}
*/
export const connectTimelineStream = (timelineId, channelName, params = {}, options = {}) =>
connectStream(channelName, params, (dispatch, getState) => {
const locale = getState().getIn(['meta', 'locale']);
let pollingId;
/**
* @param {function(Function, Function): void} fallback
*/
const useFallback = fallback => {
fallback(dispatch, () => {
pollingId = setTimeout(() => useFallback(fallback), 20000 + randomUpTo(20000));
});
};
return {
onConnect() {
dispatch(connectTimeline(timelineId));
if (pollingId) {
clearTimeout(pollingId);
pollingId = null;
}
if (options.fillGaps) {
dispatch(options.fillGaps());
}
},
onDisconnect() {
dispatch(disconnectTimeline(timelineId));
if (options.fallback) {
pollingId = setTimeout(() => useFallback(options.fallback), randomUpTo(40000));
}
},
onReceive (data) {
switch(data.event) {
case 'update':
dispatch(updateTimeline(timelineId, JSON.parse(data.payload), options.accept));
break;
case 'status.update':
dispatch(updateStatus(JSON.parse(data.payload)));
break;
case 'delete':
dispatch(deleteFromTimelines(data.payload));
break;
case 'notification':
dispatch(updateNotifications(JSON.parse(data.payload), messages, locale));
break;
case 'conversation':
dispatch(updateConversations(JSON.parse(data.payload)));
break;
case 'announcement':
dispatch(updateAnnouncements(JSON.parse(data.payload)));
break;
case 'announcement.reaction':
dispatch(updateAnnouncementsReaction(JSON.parse(data.payload)));
break;
case 'announcement.delete':
dispatch(deleteAnnouncement(data.payload));
break;
}
},
};
});
/**
* @param {Function} dispatch
* @param {function(): void} done
*/
const refreshHomeTimelineAndNotification = (dispatch, done) => {
dispatch(expandHomeTimeline({}, () =>
dispatch(expandNotifications({}, () =>
dispatch(fetchAnnouncements(done))))));
};
/**
* @return {function(): void}
*/
export const connectUserStream = () =>
connectTimelineStream('home', 'user', {}, { fallback: refreshHomeTimelineAndNotification, fillGaps: fillHomeTimelineGaps });
/**
* @param {Object} options
* @param {boolean} [options.onlyMedia]
* @return {function(): void}
*/
export const connectCommunityStream = ({ onlyMedia } = {}) =>
connectTimelineStream(`community${onlyMedia ? ':media' : ''}`, `public:local${onlyMedia ? ':media' : ''}`, {}, { fillGaps: () => (fillCommunityTimelineGaps({ onlyMedia })) });
/**
* @param {Object} options
* @param {boolean} [options.onlyMedia]
* @param {boolean} [options.onlyRemote]
* @return {function(): void}
*/
export const connectPublicStream = ({ onlyMedia, onlyRemote } = {}) =>
connectTimelineStream(`public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`, `public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`, {}, { fillGaps: () => fillPublicTimelineGaps({ onlyMedia, onlyRemote }) });
/**
* @param {string} columnId
* @param {string} tagName
* @param {boolean} onlyLocal
* @param {function(object): boolean} accept
* @return {function(): void}
*/
export const connectHashtagStream = (columnId, tagName, onlyLocal, accept) =>
connectTimelineStream(`hashtag:${columnId}${onlyLocal ? ':local' : ''}`, `hashtag${onlyLocal ? ':local' : ''}`, { tag: tagName }, { accept });
/**
* @return {function(): void}
*/
export const connectDirectStream = () =>
connectTimelineStream('direct', 'direct');
/**
* @param {string} listId
* @return {function(): void}
*/
export const connectListStream = listId =>
connectTimelineStream(`list:${listId}`, 'list', { list: listId }, { fillGaps: () => fillListTimelineGaps(listId) });