/blocks/community/communitycourse.php
PHP | 248 lines | 184 code | 25 blank | 39 comment | 31 complexity | 6bab78a5570f5b82b0c8a29ea4c8a871 MD5 | raw file
- <?php
- // 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/>.
- /*
- * @package blocks
- * @subpackage community
- * @author Jerome Mouneyrac <jerome@mouneyrac.com>
- * @license http://www.gnu.org/copyleft/gpl.html GNU GPL
- * @copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com
- *
- * This page display the community course search form.
- * It also handles adding a course to the community block.
- * It also handles downloading a course template.
- */
- require('../../config.php');
- require_once($CFG->dirroot . '/blocks/community/locallib.php');
- require_once($CFG->dirroot . '/blocks/community/forms.php');
- require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
- require_login();
- $courseid = required_param('courseid', PARAM_INT); //if no courseid is given
- $parentcourse = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
- $context = context_course::instance($courseid);
- $PAGE->set_course($parentcourse);
- $PAGE->set_url('/blocks/community/communitycourse.php');
- $PAGE->set_heading($SITE->fullname);
- $PAGE->set_pagelayout('course');
- $PAGE->set_title(get_string('searchcourse', 'block_community'));
- $PAGE->navbar->add(get_string('searchcourse', 'block_community'));
- $search = optional_param('search', null, PARAM_TEXT);
- //if no capability to search course, display an error message
- $usercansearch = has_capability('moodle/community:add', $context);
- $usercandownload = has_capability('moodle/community:download', $context);
- if (empty($usercansearch)) {
- $notificationerror = get_string('cannotsearchcommunity', 'hub');
- } else if (!extension_loaded('xmlrpc')) {
- $notificationerror = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
- $notificationerror .= get_string('xmlrpcdisabledcommunity', 'hub');
- }
- if (!empty($notificationerror)) {
- echo $OUTPUT->header();
- echo $OUTPUT->heading(get_string('searchcommunitycourse', 'block_community'), 3, 'main');
- echo $OUTPUT->notification($notificationerror);
- echo $OUTPUT->footer();
- die();
- }
- $communitymanager = new block_community_manager();
- $renderer = $PAGE->get_renderer('block_community');
- /// Check if the page has been called with trust argument
- $add = optional_param('add', -1, PARAM_INT);
- $confirm = optional_param('confirmed', false, PARAM_INT);
- if ($add != -1 and $confirm and confirm_sesskey()) {
- $course = new stdClass();
- $course->name = optional_param('coursefullname', '', PARAM_TEXT);
- $course->description = optional_param('coursedescription', '', PARAM_TEXT);
- $course->url = optional_param('courseurl', '', PARAM_URL);
- $course->imageurl = optional_param('courseimageurl', '', PARAM_URL);
- $communitymanager->block_community_add_course($course, $USER->id);
- echo $OUTPUT->header();
- echo $renderer->save_link_success(
- new moodle_url('/course/view.php', array('id' => $courseid)));
- echo $OUTPUT->footer();
- die();
- }
- /// Delete temp file when cancel restore
- $cancelrestore = optional_param('cancelrestore', false, PARAM_INT);
- if ($usercandownload and $cancelrestore and confirm_sesskey()) {
- $filename = optional_param('filename', '', PARAM_ALPHANUMEXT);
- //delete temp file
- unlink($CFG->tempdir . '/backup/' . $filename . ".mbz");
- }
- /// Download
- $huburl = optional_param('huburl', false, PARAM_URL);
- $download = optional_param('download', -1, PARAM_INT);
- $downloadcourseid = optional_param('downloadcourseid', '', PARAM_INT);
- $coursefullname = optional_param('coursefullname', '', PARAM_ALPHANUMEXT);
- $backupsize = optional_param('backupsize', 0, PARAM_INT);
- if ($usercandownload and $download != -1 and !empty($downloadcourseid) and confirm_sesskey()) {
- $course = new stdClass();
- $course->fullname = $coursefullname;
- $course->id = $downloadcourseid;
- $course->huburl = $huburl;
- //OUTPUT: display restore choice page
- echo $OUTPUT->header();
- echo $OUTPUT->heading(get_string('downloadingcourse', 'block_community'), 3, 'main');
- $sizeinfo = new stdClass();
- $sizeinfo->total = number_format($backupsize / 1000000, 2);
- echo html_writer::tag('div', get_string('downloadingsize', 'block_community', $sizeinfo),
- array('class' => 'textinfo'));
- if (ob_get_level()) {
- ob_flush();
- }
- flush();
- $filenames = $communitymanager->block_community_download_course_backup($course);
- echo html_writer::tag('div', get_string('downloaded', 'block_community'),
- array('class' => 'textinfo'));
- echo $OUTPUT->notification(get_string('downloadconfirmed', 'block_community',
- '/downloaded_backup/' . $filenames['privatefile']), 'notifysuccess');
- echo $renderer->restore_confirmation_box($filenames['tmpfile'], $context);
- echo $OUTPUT->footer();
- die();
- }
- /// Remove community
- $remove = optional_param('remove', '', PARAM_INT);
- $communityid = optional_param('communityid', '', PARAM_INT);
- if ($remove != -1 and !empty($communityid) and confirm_sesskey()) {
- $communitymanager->block_community_remove_course($communityid, $USER->id);
- echo $OUTPUT->header();
- echo $renderer->remove_success(new moodle_url(get_referer(false)));
- echo $OUTPUT->footer();
- die();
- }
- //Get form default/current values
- $fromformdata['coverage'] = optional_param('coverage', 'all', PARAM_TEXT);
- $fromformdata['licence'] = optional_param('licence', 'all', PARAM_ALPHANUMEXT);
- $fromformdata['subject'] = optional_param('subject', 'all', PARAM_ALPHANUMEXT);
- $fromformdata['audience'] = optional_param('audience', 'all', PARAM_ALPHANUMEXT);
- $fromformdata['language'] = optional_param('language', current_language(), PARAM_ALPHANUMEXT);
- $fromformdata['educationallevel'] = optional_param('educationallevel', 'all', PARAM_ALPHANUMEXT);
- $fromformdata['downloadable'] = optional_param('downloadable', 1, PARAM_ALPHANUM);
- $fromformdata['orderby'] = optional_param('orderby', 'newest', PARAM_ALPHA);
- $fromformdata['huburl'] = optional_param('huburl', HUB_MOODLEORGHUBURL, PARAM_URL);
- $fromformdata['search'] = $search;
- $fromformdata['courseid'] = $courseid;
- $hubselectorform = new community_hub_search_form('', $fromformdata);
- $hubselectorform->set_data($fromformdata);
- //Retrieve courses by web service
- $courses = null;
- if (optional_param('executesearch', 0, PARAM_INT) and confirm_sesskey()) {
- $downloadable = optional_param('downloadable', false, PARAM_INT);
- $options = new stdClass();
- if (!empty($fromformdata['coverage'])) {
- $options->coverage = $fromformdata['coverage'];
- }
- if ($fromformdata['licence'] != 'all') {
- $options->licenceshortname = $fromformdata['licence'];
- }
- if ($fromformdata['subject'] != 'all') {
- $options->subject = $fromformdata['subject'];
- }
- if ($fromformdata['audience'] != 'all') {
- $options->audience = $fromformdata['audience'];
- }
- if ($fromformdata['educationallevel'] != 'all') {
- $options->educationallevel = $fromformdata['educationallevel'];
- }
- if ($fromformdata['language'] != 'all') {
- $options->language = $fromformdata['language'];
- }
- $options->orderby = $fromformdata['orderby'];
- //the range of course requested
- $options->givememore = optional_param('givememore', 0, PARAM_INT);
- //check if the selected hub is from the registered list (in this case we use the private token)
- $token = 'publichub';
- $registrationmanager = new registration_manager();
- $registeredhubs = $registrationmanager->get_registered_on_hubs();
- foreach ($registeredhubs as $registeredhub) {
- if ($huburl == $registeredhub->huburl) {
- $token = $registeredhub->token;
- }
- }
- $function = 'hub_get_courses';
- $params = array('search' => $search, 'downloadable' => $downloadable,
- 'enrollable' => !$downloadable, 'options' => $options);
- $serverurl = $huburl . "/local/hub/webservice/webservices.php";
- require_once($CFG->dirroot . "/webservice/xmlrpc/lib.php");
- $xmlrpcclient = new webservice_xmlrpc_client($serverurl, $token);
- try {
- $result = $xmlrpcclient->call($function, $params);
- $courses = $result['courses'];
- $coursetotal = $result['coursetotal'];
- } catch (Exception $e) {
- $errormessage = $OUTPUT->notification(
- get_string('errorcourselisting', 'block_community', $e->getMessage()));
- }
- }
- // OUTPUT
- echo $OUTPUT->header();
- echo $OUTPUT->heading(get_string('searchcommunitycourse', 'block_community'), 3, 'main');
- $hubselectorform->display();
- if (!empty($errormessage)) {
- echo $errormessage;
- }
- //load javascript
- $commentedcourseids = array(); //result courses with comments only
- $courseids = array(); //all result courses
- $courseimagenumbers = array(); //number of screenshots of all courses (must be exact same order than $courseids)
- if (!empty($courses)) {
- foreach ($courses as $course) {
- if (!empty($course['comments'])) {
- $commentedcourseids[] = $course['id'];
- }
- $courseids[] = $course['id'];
- $courseimagenumbers[] = $course['screenshots'];
- }
- }
- $PAGE->requires->yui_module('moodle-block_community-comments', 'M.blocks_community.init_comments',
- array(array('commentids' => $commentedcourseids, 'closeButtonTitle' => get_string('close', 'editor'))));
- $PAGE->requires->yui_module('moodle-block_community-imagegallery', 'M.blocks_community.init_imagegallery',
- array(array('imageids' => $courseids, 'imagenumbers' => $courseimagenumbers,
- 'huburl' => $huburl, 'closeButtonTitle' => get_string('close', 'editor'))));
- echo highlight($search, $renderer->course_list($courses, $huburl, $courseid));
- //display givememore/Next link if more course can be displayed
- if (!empty($courses)) {
- if (($options->givememore + count($courses)) < $coursetotal) {
- $fromformdata['givememore'] = count($courses) + $options->givememore;
- $fromformdata['executesearch'] = true;
- $fromformdata['sesskey'] = sesskey();
- echo $renderer->next_button($fromformdata);
- }
- }
- echo $OUTPUT->footer();