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Partial implementation of Invite Links
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‎app/invites/client/admin/adminInvites.html‎

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<template name="adminInvites">
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<div class="main-content-flex">
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<section class="page-container page-list flex-tab-main-content">
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{{> header sectionName="Invites"}}
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<div class="content">
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{{#unless hasPermission 'create-invite-links'}}
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<p>{{_ "You_are_not_authorized_to_view_this_page"}}</p>
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{{else}}
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<div class="results">
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{{{_ "Showing_results" invites.length}}}
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</div>
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{{#table fixed='true' onItemClick=onTableItemClick onScroll=onTableScroll onResize=onTableResize}}
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<thead>
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<tr class="admin-table-row">
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<th class="content-background-color border-component-color" width="30%">
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<div class="table-fake-th">{{_ "Token"}}</div>
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</th>
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<th class="content-background-color border-component-color" width="20%">
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<div class="table-fake-th">{{_ "Created_at"}}</div>
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</th>
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<th class="content-background-color border-component-color" width="20%">
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<div class="table-fake-th">{{_ "Expiration_(Days)"}}</div>
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</th>
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<th class="content-background-color border-component-color" width="10%">
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<div class="table-fake-th">{{_ "Uses"}}</div>
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</th>
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<th class="content-background-color border-component-color" width="20%">
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<div class="table-fake-th">{{_ "Uses_left"}}</div>
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</th>
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</tr>
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</thead>
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<tbody>
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{{#each invites}}
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<tr class="invites-info row-link admin-table-row">
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<td class="border-component-color">
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<div class="rc-table-wrapper">
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<div class="rc-table-info">
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<span class="rc-table-title">{{hash}}</span></div>
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</div>
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</td>
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<td class="border-component-color">
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<div class="rc-table-wrapper">
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<div class="rc-table-info">
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<span class="rc-table-title">{{creationDate}}</span></div>
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</div>
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</td>
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<td class="border-component-color">
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<div class="rc-table-wrapper">
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<div class="rc-table-info">
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<span class="rc-table-title">{{daysToExpire}}</span></div>
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</div>
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</td>
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<td class="border-component-color">
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<div class="rc-table-wrapper">
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<div class="rc-table-info">
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<span class="rc-table-title">{{uses}}</span></div>
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</div>
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</td>
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<td class="border-component-color">
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<div class="rc-table-wrapper">
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<div class="rc-table-info">
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<span class="rc-table-title">{{maxUsesLeft}}</span></div>
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</div>
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</td>
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</tr>
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{{/each}}
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</tbody>
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{{/table}}
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{{/unless}}
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</div>
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</section>
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</div>
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</template>

‎app/invites/client/admin/adminInvites.js‎

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import s from 'underscore.string';
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import { Template } from 'meteor/templating';
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import { ReactiveVar } from 'meteor/reactive-var';
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import { Meteor } from 'meteor/meteor';
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import { t } from '../../../utils';
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Template.adminInvites.helpers({
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isReady() {
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if (Template.instance().ready != null) {
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return Template.instance().ready.get();
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}
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return undefined;
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},
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invites() {
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return Template.instance().invites.get();
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},
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isLoading() {
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if (Template.instance().ready != null) {
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if (!Template.instance().ready.get()) {
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return 'btn-loading';
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}
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}
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},
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daysToExpire() {
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const { expires, days, createdAt } = this;
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if (days > 0) {
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if (expires < new Date()) {
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return t('Expired');
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}
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return Math.ceil((expires - createdAt) / (1000 * 60 * 60 * 24));
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}
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return t('Never');
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},
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maxUsesLeft() {
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const { maxUses, uses } = this;
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if (maxUses > 0) {
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if (uses >= maxUses) {
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return t('None');
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}
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return maxUses - uses;
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}
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return t('Unlimited');
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},
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creationDate() {
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const { createdAt } = this;
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return createdAt.toLocaleDateString();
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},
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});
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Template.adminInvites.onCreated(function() {
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const instance = this;
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this.invites = new ReactiveVar([]);
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this.ready = new ReactiveVar(false);
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this.autorun(function() {
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const invites = [];
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Meteor.call('listInvites', (error, result) => {
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if (!result) {
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return;
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}
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for (const invite of result) {
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const newInvite = {
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_id: invite._id,
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createdAt: invite.createdAt,
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expires: invite.expires,
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hash: invite.hash,
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days: invite.days,
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maxUses: invite.maxUses,
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rid: invite.rid,
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userId: invite.userId,
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uses: invite.uses,
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};
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invites.push(newInvite);
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}
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instance.invites.set(invites);
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instance.ready.set(true);
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});
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});
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});

‎app/invites/client/admin/route.js‎

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import { FlowRouter } from 'meteor/kadira:flow-router';
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import { BlazeLayout } from 'meteor/kadira:blaze-layout';
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FlowRouter.route('/admin/invites', {
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name: 'invites',
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async action(/* params */) {
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await import('./views');
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BlazeLayout.render('main', { center: 'adminInvites' });
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},
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});

‎app/invites/client/admin/startup.js‎

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import { AdminBox } from '../../../ui-utils';
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import { hasAtLeastOnePermission } from '../../../authorization';
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AdminBox.addOption({
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href: 'invites',
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i18nLabel: 'Invites',
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icon: 'user-plus',
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permissionGranted() {
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return hasAtLeastOnePermission(['create-invite-links']);
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},
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});

‎app/invites/client/admin/views.js‎

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import './adminInvites.html';
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import './adminInvites';

‎app/invites/client/index.js‎

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import './admin/route';
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import './admin/startup';
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‎app/invites/server/index.js‎

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import './startup/permissions';
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import './methods/findOrCreateInvite';
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import './methods/listInvites';

‎app/invites/server/methods/findOrCreateInvite.js‎

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import { Meteor } from 'meteor/meteor';
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import { Random } from 'meteor/random';
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import { hasPermission } from '../../../authorization';
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import { Notifications } from '../../../notifications';
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import { Invites, Rooms } from '../../../models';
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function getInviteUrl(invite, roomName) {
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const { rid, hash } = invite;
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const host = 'open.rocket.chat';
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const url = `https://go.rocket.chat/${ roomName }?host=${ host }&rid=${ rid }&path=channel/${ roomName }&token=${ hash }`;
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return url;
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}
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Meteor.methods({
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findOrCreateInvite(invite) {
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if (!hasPermission(this.userId, 'create-invite-links')) {
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throw new Meteor.Error('not_authorized');
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}
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if (!invite.rid) {
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throw new Meteor.Error('error-the-field-is-required', 'The field rid is required', { method: 'findOrCreateInvite', field: 'rid' });
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}
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const room = Rooms.findOneById(invite.rid);
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if (!room) {
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throw new Meteor.Error('error-invalid-room', 'The rid field is invalid', { method: 'findOrCreateInvite', field: 'rid' });
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}
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let { days, maxUses } = invite;
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const possibleDays = [0, 1, 7, 15, 30];
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const possibleUses = [0, 1, 5, 10, 25, 50, 100];
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if (!possibleDays.includes(days)) {
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days = 1;
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}
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if (!possibleUses.includes(maxUses)) {
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maxUses = 0;
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}
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// Before anything, let's check if there's an existing invite with the same settings for the same channel and user and that has not yet expired.
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const query = {
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rid: invite.rid,
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userId: this.userId,
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days,
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maxUses,
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};
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if (days > 0) {
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query.expires = {
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$gt: new Date(),
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};
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}
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if (maxUses > 0) {
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query.uses = 0;
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}
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// If an existing invite was found, return it's hash instead of creating a new one.
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const existing = Invites.find(query).fetch();
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if (existing && existing.length) {
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return {
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hash: existing[0].hash,
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url: getInviteUrl(existing[0], room.fname),
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days: existing[0].days,
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maxUses: existing[0].maxUses,
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uses: existing[0].uses,
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expires: existing[0].expires,
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};
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}
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const hash = Random.id();
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// insert invite
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const now = new Date();
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let expires = null;
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if (days > 0) {
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expires = new Date(now);
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expires.setDate(expires.getDate() + days);
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}
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const createInvite = {
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hash,
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days,
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maxUses,
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rid: invite.rid,
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userId: this.userId,
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createdAt: now,
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expires,
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uses: 0,
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};
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Invites.create(createInvite);
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Notifications.notifyLogged('updateInvites', { invite: createInvite });
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return {
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hash,
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url: getInviteUrl(createInvite, room.fname),
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days,
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maxUses,
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uses: 0,
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expires,
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};
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},
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});

‎app/invites/server/methods/listInvites.js‎

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import { Meteor } from 'meteor/meteor';
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import { Invites } from '../../../models';
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Meteor.methods({
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listInvites() {
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const currentUserId = Meteor.userId();
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if (!currentUserId) {
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throw new Meteor.Error('error-invalid-user', 'Invalid user', { method: 'listInvites' });
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}
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return Invites.find({}).fetch();
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},
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});

‎app/invites/server/startup/permissions.js‎

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import { Meteor } from 'meteor/meteor';
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import { Permissions } from '../../../models';
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Meteor.startup(() => {
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if (Permissions) {
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if (!Permissions.findOne({ _id: 'create-invite-links' })) {
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Permissions.insert({ _id: 'create-invite-links', roles: ['admin', 'moderator', 'owner'] });
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}
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}
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});

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