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117 lines
4.8 KiB
117 lines
4.8 KiB
2 years ago
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<?php
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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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* @package moodlecore
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* @subpackage backup-imscc
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* @copyright 2011 Darko Miletic (dmiletic@moodlerooms.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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defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');
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class cc11_lti extends entities11 {
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public function generate_node () {
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cc2moodle::log_action('Creating BasicLTI mods');
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$response = '';
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if (!empty(cc2moodle::$instances['instances'][MOODLE_TYPE_LTI])) {
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foreach (cc2moodle::$instances['instances'][MOODLE_TYPE_LTI] as $instance) {
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$response .= $this->create_node_course_modules_mod_basiclti($instance);
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}
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}
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return $response;
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}
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private function create_node_course_modules_mod_basiclti ($instance) {
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$sheet_mod_basiclti = cc112moodle::loadsheet(SHEET_COURSE_SECTIONS_SECTION_MODS_MOD_LTI);
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$topic_data = $this->get_basiclti_data($instance);
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$result = '';
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if (!empty($topic_data)) {
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$find_tags = array('[#mod_instance#]' ,
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'[#mod_basiclti_name#]' ,
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'[#mod_basiclti_intro#]' ,
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'[#mod_basiclti_timec#]' ,
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'[#mod_basiclti_timem#]' ,
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'[#mod_basiclti_toolurl#]',
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'[#mod_basiclti_icon#]'
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);
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$replace_values = array($instance['instance'],
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$topic_data['title'],
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$topic_data['description'],
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time(),time(),
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$topic_data['launchurl'],
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$topic_data['icon']
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);
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$result = str_replace($find_tags, $replace_values, $sheet_mod_basiclti);
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}
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return $result;
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}
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protected function getValue($node, $default = '') {
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$result = $default;
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if (is_object($node) && ($node->length > 0) && !empty($node->item(0)->nodeValue)) {
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$result = htmlspecialchars(trim($node->item(0)->nodeValue), ENT_COMPAT, 'UTF-8', false);
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}
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return $result;
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}
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public function get_basiclti_data($instance) {
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$topic_data = array();
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$basiclti_file = $this->get_external_xml($instance['resource_indentifier']);
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if (!empty($basiclti_file)) {
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$basiclti_file_path = cc2moodle::$path_to_manifest_folder . DIRECTORY_SEPARATOR . $basiclti_file;
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$basiclti_file_dir = dirname($basiclti_file_path);
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$basiclti = $this->load_xml_resource($basiclti_file_path);
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if (!empty($basiclti)) {
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$xpath = cc2moodle::newx_path($basiclti, cc112moodle::$basicltins);
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$topic_title = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:title'),'Untitled');
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$blti_description = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:description'));
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$launch_url = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:launch_url'));
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$launch_icon = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:icon'));
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$tool_raw = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:code'),null);
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$tool_url = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:url'),null);
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$tool_desc = $this->getValue($xpath->query('/xmlns:cartridge_basiclti_link/blti:vendor/lticp:description'),null);
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$topic_data['title' ] = $topic_title;
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$topic_data['description'] = $blti_description;
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$topic_data['launchurl' ] = $launch_url;
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$topic_data['icon' ] = $launch_icon;
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$topic_data['orgid' ] = $tool_raw;
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$topic_data['orgurl' ] = $tool_url;
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$topic_data['orgdesc' ] = $tool_desc;
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}
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}
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return $topic_data;
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}
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}
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