xmpp.chapril.org-conversejs/src/headless/converse-bookmarks.js
2019-05-24 16:02:07 +02:00

295 lines
12 KiB
JavaScript

// Converse.js (A browser based XMPP chat client)
// https://conversejs.org
//
// Copyright (c) 2019, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//
/*global define */
/* This is a Converse.js plugin which adds views for bookmarks specified
* in XEP-0048.
*/
import BrowserStorage from "backbone.browserStorage";
import converse from "@converse/headless/converse-core";
import muc from "@converse/headless/converse-muc";
const { Backbone, Promise, Strophe, $iq, sizzle, _ } = converse.env;
const u = converse.env.utils;
converse.plugins.add('converse-bookmarks', {
/* Plugin dependencies are other plugins which might be
* overridden or relied upon, and therefore need to be loaded before
* this plugin.
*
* If the setting "strict_plugin_dependencies" is set to true,
* an error will be raised if the plugin is not found. By default it's
* false, which means these plugins are only loaded opportunistically.
*
* NB: These plugins need to have already been loaded via require.js.
*/
dependencies: ["converse-chatboxes", "converse-muc"],
overrides: {
// Overrides mentioned here will be picked up by converse.js's
// plugin architecture they will replace existing methods on the
// relevant objects or classes.
//
// New functions which don't exist yet can also be added.
ChatRoom: {
getAndPersistNickname(nick) {
const { _converse } = this.__super__;
nick = nick || _converse.getNicknameFromBookmark(this.get('jid'));
return this.__super__.getAndPersistNickname.call(this, nick);
}
}
},
initialize () {
/* The initialize function gets called as soon as the plugin is
* loaded by converse.js's plugin machinery.
*/
const { _converse } = this,
{ __ } = _converse;
// Configuration values for this plugin
// ====================================
// Refer to docs/source/configuration.rst for explanations of these
// configuration settings.
_converse.api.settings.update({
allow_bookmarks: true,
allow_public_bookmarks: false
});
_converse.api.promises.add('bookmarksInitialized');
/**
* Check if the user has a bookmark with a saved nickanme
* for this groupchat and return it.
* @private
* @method _converse#getNicknameFromBookmark
*/
_converse.getNicknameFromBookmark = function (jid) {
if (!_converse.bookmarks || !_converse.allow_bookmarks) {
return null;
}
const bookmark = _converse.bookmarks.findWhere({'jid': jid});
if (bookmark) {
return bookmark.get('nick');
}
}
_converse.Bookmark = Backbone.Model;
_converse.Bookmarks = Backbone.Collection.extend({
model: _converse.Bookmark,
comparator: (item) => item.get('name').toLowerCase(),
initialize () {
this.on('add', _.flow(this.openBookmarkedRoom, this.markRoomAsBookmarked));
this.on('remove', this.markRoomAsUnbookmarked, this);
this.on('remove', this.sendBookmarkStanza, this);
const storage = _converse.config.get('storage'),
cache_key = `converse.room-bookmarks${_converse.bare_jid}`;
this.fetched_flag = cache_key+'fetched';
this.browserStorage = new BrowserStorage[storage](cache_key);
},
openBookmarkedRoom (bookmark) {
if ( _converse.muc_respect_autojoin && bookmark.get('autojoin')) {
const groupchat = _converse.api.rooms.create(bookmark.get('jid'), bookmark.get('nick'));
groupchat.maybeShow();
}
return bookmark;
},
fetchBookmarks () {
const deferred = u.getResolveablePromise();
if (this.browserStorage.records.length > 0) {
this.fetch({
'success': () => deferred.resolve(),
'error': () => deferred.resolve()
});
} else if (! window.sessionStorage.getItem(this.fetched_flag)) {
// There aren't any cached bookmarks and the
// `fetched_flag` is off, so we query the XMPP server.
// If nothing is returned from the XMPP server, we set
// the `fetched_flag` to avoid calling the server again.
this.fetchBookmarksFromServer(deferred);
} else {
deferred.resolve();
}
return deferred;
},
createBookmark (options) {
this.create(options);
this.sendBookmarkStanza().catch(iq => this.onBookmarkError(iq, options));
},
sendBookmarkStanza () {
const stanza = $iq({
'type': 'set',
'from': _converse.connection.jid,
})
.c('pubsub', {'xmlns': Strophe.NS.PUBSUB})
.c('publish', {'node': 'storage:bookmarks'})
.c('item', {'id': 'current'})
.c('storage', {'xmlns':'storage:bookmarks'});
this.forEach(model => {
stanza.c('conference', {
'name': model.get('name'),
'autojoin': model.get('autojoin'),
'jid': model.get('jid'),
}).c('nick').t(model.get('nick')).up().up();
});
stanza.up().up().up();
stanza.c('publish-options')
.c('x', {'xmlns': Strophe.NS.XFORM, 'type':'submit'})
.c('field', {'var':'FORM_TYPE', 'type':'hidden'})
.c('value').t('http://jabber.org/protocol/pubsub#publish-options').up().up()
.c('field', {'var':'pubsub#persist_items'})
.c('value').t('true').up().up()
.c('field', {'var':'pubsub#access_model'})
.c('value').t('whitelist');
return _converse.api.sendIQ(stanza);
},
onBookmarkError (iq, options) {
_converse.log("Error while trying to add bookmark", Strophe.LogLevel.ERROR);
_converse.log(iq);
_converse.api.alert.show(
Strophe.LogLevel.ERROR,
__('Error'), [__("Sorry, something went wrong while trying to save your bookmark.")]
)
this.findWhere({'jid': options.jid}).destroy();
},
fetchBookmarksFromServer (deferred) {
const stanza = $iq({
'from': _converse.connection.jid,
'type': 'get',
}).c('pubsub', {'xmlns': Strophe.NS.PUBSUB})
.c('items', {'node': 'storage:bookmarks'});
_converse.api.sendIQ(stanza)
.then((iq) => this.onBookmarksReceived(deferred, iq))
.catch((iq) => this.onBookmarksReceivedError(deferred, iq)
);
},
markRoomAsBookmarked (bookmark) {
const groupchat = _converse.chatboxes.get(bookmark.get('jid'));
if (!_.isUndefined(groupchat)) {
groupchat.save('bookmarked', true);
}
},
markRoomAsUnbookmarked (bookmark) {
const groupchat = _converse.chatboxes.get(bookmark.get('jid'));
if (!_.isUndefined(groupchat)) {
groupchat.save('bookmarked', false);
}
},
createBookmarksFromStanza (stanza) {
const bookmarks = sizzle(
`items[node="storage:bookmarks"] item storage[xmlns="storage:bookmarks"] conference`,
stanza
);
_.forEach(bookmarks, (bookmark) => {
const jid = bookmark.getAttribute('jid');
this.create({
'jid': jid,
'name': bookmark.getAttribute('name') || jid,
'autojoin': bookmark.getAttribute('autojoin') === 'true',
'nick': _.get(bookmark.querySelector('nick'), 'textContent')
});
});
},
onBookmarksReceived (deferred, iq) {
this.createBookmarksFromStanza(iq);
if (!_.isUndefined(deferred)) {
return deferred.resolve();
}
},
onBookmarksReceivedError (deferred, iq) {
window.sessionStorage.setItem(this.fetched_flag, true);
_converse.log('Error while fetching bookmarks', Strophe.LogLevel.ERROR);
_converse.log(iq.outerHTML, Strophe.LogLevel.DEBUG);
if (!_.isNil(deferred)) {
if (iq.querySelector('error[type="cancel"] item-not-found')) {
// Not an exception, the user simply doesn't have
// any bookmarks.
return deferred.resolve();
} else {
return deferred.reject(new Error("Could not fetch bookmarks"));
}
}
}
});
_converse.BookmarksList = Backbone.Model.extend({
defaults: {
"toggle-state": _converse.OPENED
}
});
_converse.checkBookmarksSupport = async function () {
const identity = await _converse.api.disco.getIdentity('pubsub', 'pep', _converse.bare_jid);
if (_converse.allow_public_bookmarks) {
return !!identity;
} else {
return _converse.api.disco.supports(Strophe.NS.PUBSUB+'#publish-options', _converse.bare_jid);
}
}
const initBookmarks = async function () {
if (!_converse.allow_bookmarks) {
return;
}
const supported = await _converse.checkBookmarksSupport();
if (supported) {
_converse.bookmarks = new _converse.Bookmarks();
await _converse.bookmarks.fetchBookmarks();
/**
* Triggered once the _converse.Bookmarks collection
* has been created and cached bookmarks have been fetched.
* @event _converse#bookmarksInitialized
* @example _converse.api.listen.on('bookmarksInitialized', () => { ... });
*/
_converse.api.trigger('bookmarksInitialized');
}
}
_converse.api.listen.on('clearSession', () => {
if (!_.isUndefined(_converse.bookmarks)) {
_converse.bookmarks.reset();
_converse.bookmarks.browserStorage._clear();
window.sessionStorage.removeItem(_converse.bookmarks.fetched_flag);
}
});
_converse.api.listen.on('reconnected', initBookmarks);
_converse.api.listen.on('connected', async () => {
// Add a handler for bookmarks pushed from other connected clients
_converse.connection.addHandler(message => {
if (sizzle('event[xmlns="'+Strophe.NS.PUBSUB+'#event"] items[node="storage:bookmarks"]', message).length) {
_converse.api.waitUntil('bookmarksInitialized')
.then(() => _converse.bookmarks.createBookmarksFromStanza(message))
.catch(_.partial(_converse.log, _, Strophe.LogLevel.FATAL));
}
}, null, 'message', 'headline', null, _converse.bare_jid);
await Promise.all([_converse.api.waitUntil('chatBoxesFetched')]);
initBookmarks();
});
}
});