107 lines
3.2 KiB
JavaScript
107 lines
3.2 KiB
JavaScript
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/* @flow */
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import { LIST_SIZE } from './constants';
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import { getRecentUrls, updaterecentUrls } from './functions';
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import { CONFERENCE_WILL_LEAVE, SET_ROOM } from '../base/conference';
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import { MiddlewareRegistry } from '../base/redux';
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/**
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* Middleware that captures joined rooms so then it can be saved to
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* {@code localStorage}
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*
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* @param {Store} store - Redux store.
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* @returns {Function}
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*/
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MiddlewareRegistry.register(store => next => action => {
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switch (action.type) {
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case CONFERENCE_WILL_LEAVE:
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return _updateConferenceDuration(store, next, action);
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case SET_ROOM:
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return _storeJoinedRoom(store, next, action);
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}
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return next(action);
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});
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/**
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* Stores the recently joined room in {@code localStorage}.
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*
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* @param {Store} store - The redux store in which the specified action is being
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* dispatched.
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* @param {Dispatch} next - The redux dispatch function to dispatch the
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* specified action to the specified store.
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* @param {Action} action - The redux action CONFERENCE_JOINED which is being
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* dispatched in the specified store.
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* @returns {Object} The new state that is the result of the reduction of the
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* specified action.
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*/
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function _storeJoinedRoom(store, next, action) {
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const result = next(action);
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const { room } = action;
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if (room) {
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const { locationURL } = store.getState()['features/base/connection'];
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const conferenceLink = locationURL.href;
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// if the current conference is already in the list,
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// we remove it to add it
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// to the top at the end
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const recentUrls = getRecentUrls().filter(
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entry => entry.conference !== conferenceLink
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);
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// please note, this is a reverse sorted array
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// (newer elements at the end)
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recentUrls.push({
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conference: conferenceLink,
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date: Date.now(),
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conferenceDuration: 0
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});
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// maximising the size
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recentUrls.splice(0, recentUrls.length - LIST_SIZE);
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updaterecentUrls(recentUrls);
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}
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return result;
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}
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/**
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* Updates the conference length when left.
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*
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* @private
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* @param {Store} store - The redux store in which the specified action is being
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* dispatched.
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* @param {Dispatch} next - The redux dispatch function to dispatch the
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* specified action to the specified store.
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* @param {Action} action - The redux action CONFERENCE_JOINED which is being
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* dispatched in the specified store.
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* @returns {Object} The new state that is the result of the reduction of the
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* specified action.
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*/
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function _updateConferenceDuration(store, next, action) {
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const result = next(action);
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const { locationURL } = store.getState()['features/base/connection'];
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if (locationURL && locationURL.href) {
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const recentUrls = getRecentUrls();
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if (recentUrls.length > 0
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&& recentUrls[recentUrls.length - 1].conference
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=== locationURL.href) {
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// the last conference start was stored
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// so we need to update the length
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recentUrls[recentUrls.length - 1].conferenceDuration
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= Date.now() - recentUrls[recentUrls.length - 1].date;
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updaterecentUrls(recentUrls);
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}
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}
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return result;
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}
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