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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Javascript to initialise the starred courses block.
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*
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* @module block_starredcourses/main
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* @copyright 2018 Simey Lameze <simey@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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define(
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[
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'jquery',
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'core/notification',
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'block_starredcourses/repository',
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'core/pubsub',
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'core/templates',
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'core_course/events'
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],
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function(
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$,
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Notification,
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Repository,
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PubSub,
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Templates,
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CourseEvents
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) {
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var SELECTORS = {
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BLOCK_CONTAINER: '[data-region="starred-courses"]',
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STARRED_COURSES_REGION_VIEW: '[data-region="starred-courses-view"]',
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STARRED_COURSES_REGION: '[data-region="starred-courses-view-content"]'
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};
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/**
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* Render the starred courses.
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*
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* @method renderCourses
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* @param {object} root The root element for the starred view.
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* @param {array} courses containing array of returned courses.
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* @returns {promise} Resolved with HTML and JS strings
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*/
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var renderCourses = function(root, courses) {
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if (courses.length > 0) {
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return Templates.render('core_course/view-cards', {
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courses: courses
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});
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} else {
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var nocoursesimg = root.find(SELECTORS.STARRED_COURSES_REGION_VIEW).attr('data-nocoursesimg');
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return Templates.render('block_starredcourses/no-courses', {
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nocoursesimg: nocoursesimg
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});
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}
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};
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/**
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* Fetch user's starred courses and reload the content of the block.
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*
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* @param {object} root The root element for the starred view.
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* @returns {promise} The updated content for the block.
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*/
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var reloadContent = function(root) {
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var content = root.find(SELECTORS.STARRED_COURSES_REGION);
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var args = {
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limit: 0,
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offset: 0,
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};
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return Repository.getStarredCourses(args)
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.then(function(courses) {
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// Whether the course category should be displayed in the course item.
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var showcoursecategory = $(SELECTORS.BLOCK_CONTAINER).data('displaycoursecategory');
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courses = courses.map(function(course) {
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course.showcoursecategory = showcoursecategory;
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return course;
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});
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return renderCourses(root, courses);
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}).then(function(html, js) {
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return Templates.replaceNodeContents(content, html, js);
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}).catch(Notification.exception);
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};
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/**
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* Register event listeners for the block.
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*
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* @param {object} root The calendar root element
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*/
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var registerEventListeners = function(root) {
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PubSub.subscribe(CourseEvents.favourited, function() {
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reloadContent(root);
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});
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PubSub.subscribe(CourseEvents.unfavorited, function() {
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reloadContent(root);
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});
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};
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/**
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* Initialise all of the modules for the starred courses block.
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*
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* @param {object} root The root element for the block.
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*/
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var init = function(root) {
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root = $(root);
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registerEventListeners(root);
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reloadContent(root);
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};
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return {
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init: init
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};
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});
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