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// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Controls the requests section of the contacts page.
*
* @module core_message/message_drawer_view_contacts_section_requests
* @package message
* @copyright 2018 Ryan Wyllie <ryan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define(
[
'jquery',
'core/notification',
'core/pubsub',
'core/templates',
'core_message/message_repository',
'core_message/message_drawer_events',
'core_message/message_drawer_lazy_load_list'
],
function(
$,
Notification,
PubSub,
Templates,
MessageRepository,
MessageDrawerEvents,
LazyLoadList
) {
var SELECTORS = {
CONTACT_REQUEST: '[data-region="contact-request"]'
};
var TEMPLATES = {
REQUESTS_LIST: 'core_message/message_drawer_view_contacts_body_section_requests_list'
};
/**
* Render the requests in the content container.
*
* @param {Object} contentContainer List container element.
* @param {Array} requests List of requests.
* @return {Object} jQuery promise
*/
var render = function(contentContainer, requests) {
var formattedRequests = requests.map(function(request) {
return {
// This is actually the user id.
id: request.id,
profileimageurl: request.profileimageurl,
fullname: request.fullname
};
});
return Templates.render(TEMPLATES.REQUESTS_LIST, {requests: formattedRequests})
.then(function(html) {
contentContainer.append(html);
return html;
})
.catch(Notification.exception);
};
/**
* Load the user contacts and call the renderer.
*
* @param {Object} listRoot The lazy loaded list root element
* @param {Integer} userId The logged in user id.
* @return {Object} jQuery promise
*/
var load = function(listRoot, userId) {
return MessageRepository.getContactRequests(userId)
.then(function(requests) {
LazyLoadList.setLoadedAll(listRoot, true);
return requests;
})
.catch(Notification.exception);
};
/**
* Handle when a contact request is accepted or declined by removing the contact
* list from the page.
*
* @param {Object} root The section root element
* @return {Function} The event handler function
*/
var handleContactRequestProcessed = function(root) {
return function(request) {
root.find('[data-request-id="' + request.userid + '"]').remove();
var contactRequests = root.find(SELECTORS.CONTACT_REQUEST);
if (!contactRequests.length) {
LazyLoadList.showEmptyMessage(root);
LazyLoadList.hideContent(root);
}
};
};
/**
* Listen for any events that might affect the requests section.
*
* @param {Object} root The section root element
*/
var registerEventListeners = function(root) {
PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, handleContactRequestProcessed(root));
PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, handleContactRequestProcessed(root));
};
/**
* Setup the requests section.
*
* @param {Object} root Requests section container.
*/
var show = function(root) {
if (!root.attr('data-contacts-init')) {
registerEventListeners(root);
root.attr('data-contacts-init', true);
}
// The root element is already the lazy loaded list root.
LazyLoadList.show(root, load, render);
};
return {
show: show,
};
});