89 lines
3.0 KiB
JavaScript
89 lines
3.0 KiB
JavaScript
import isNaN from "lodash-es/isNaN";
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import { Collection } from "@converse/skeletor/src/collection";
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import { Model } from '@converse/skeletor/src/model.js';
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import { converse } from "@converse/headless/core";
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import { initStorage } from '@converse/headless/utils/storage.js';
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const { Strophe, dayjs, sizzle } = converse.env;
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export const Resource = Model.extend({'idAttribute': 'name'});
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export const Resources = Collection.extend({'model': Resource});
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export const Presence = Model.extend({
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idAttribute: 'jid',
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defaults: {
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'show': 'offline'
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},
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initialize () {
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this.resources = new Resources();
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const id = `converse.identities-${this.get('jid')}`;
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initStorage(this.resources, id, 'session');
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this.listenTo(this.resources, 'update', this.onResourcesChanged);
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this.listenTo(this.resources, 'change', this.onResourcesChanged);
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},
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onResourcesChanged () {
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const hpr = this.getHighestPriorityResource();
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const show = hpr?.attributes?.show || 'offline';
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if (this.get('show') !== show) {
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this.save({'show': show});
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}
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},
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/**
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* Return the resource with the highest priority.
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* If multiple resources have the same priority, take the latest one.
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* @private
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*/
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getHighestPriorityResource () {
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return this.resources.sortBy(r => `${r.get('priority')}-${r.get('timestamp')}`).reverse()[0];
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},
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/**
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* Adds a new resource and it's associated attributes as taken
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* from the passed in presence stanza.
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* Also updates the presence if the resource has higher priority (and is newer).
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* @private
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* @param { Element } presence: The presence stanza
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*/
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addResource (presence) {
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const jid = presence.getAttribute('from'),
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name = Strophe.getResourceFromJid(jid),
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delay = sizzle(`delay[xmlns="${Strophe.NS.DELAY}"]`, presence).pop(),
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priority = presence.querySelector('priority')?.textContent ?? 0,
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resource = this.resources.get(name),
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settings = {
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'name': name,
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'priority': isNaN(parseInt(priority, 10)) ? 0 : parseInt(priority, 10),
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'show': presence.querySelector('show')?.textContent ?? 'online',
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'timestamp': delay ? dayjs(delay.getAttribute('stamp')).toISOString() : (new Date()).toISOString()
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};
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if (resource) {
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resource.save(settings);
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} else {
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this.resources.create(settings);
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}
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},
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/**
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* Remove the passed in resource from the resources map.
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* Also redetermines the presence given that there's one less
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* resource.
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* @private
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* @param { string } name: The resource name
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*/
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removeResource (name) {
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const resource = this.resources.get(name);
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if (resource) {
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resource.destroy();
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}
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}
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});
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export const Presences = Collection.extend({'model': Presence });
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