Proyectos de Subversion Moodle

<?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   moodlecore

 * @subpackage backup-imscc

 * @copyright 2011 Darko Miletic (dmiletic@moodlerooms.com)

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

defined('MOODLE_INTERNAL') or die('Direct access to this script is forbidden.');

require_once($CFG->dirroot . '/backup/cc/cc2moodle.php');

require_once($CFG->dirroot . '/backup/cc/entities11.class.php');

require_once($CFG->dirroot . '/backup/cc/entity11.resource.class.php');

require_once($CFG->dirroot . '/backup/cc/entity11.forum.class.php');

require_once($CFG->dirroot . '/backup/cc/entity11.quiz.class.php');

require_once($CFG->dirroot . '/backup/cc/entity11.lti.class.php');

class cc112moodle extends cc2moodle {

    const CC_TYPE_FORUM              = 'imsdt_xmlv1p1';

    const CC_TYPE_QUIZ               = 'imsqti_xmlv1p2/imscc_xmlv1p1/assessment';

    const CC_TYPE_QUESTION_BANK      = 'imsqti_xmlv1p2/imscc_xmlv1p1/question-bank';

    const CC_TYPE_WEBLINK            = 'imswl_xmlv1p1';

    const CC_TYPE_ASSOCIATED_CONTENT = 'associatedcontent/imscc_xmlv1p1/learning-application-resource';

    const CC_TYPE_BASICLTI           = 'imsbasiclti_xmlv1p0';

    public static $namespaces = array('imscc'    => 'http://www.imsglobal.org/xsd/imsccv1p1/imscp_v1p1',

                                      'lomimscc' => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/manifest',

                                      'lom'      => 'http://ltsc.ieee.org/xsd/imsccv1p1/LOM/resource',

                                      'xsi'      => 'http://www.w3.org/2001/XMLSchema-instance',

                                      'cc'       => 'http://www.imsglobal.org/xsd/imsccv1p1/imsccauth_v1p1');

    public static $restypes = array('associatedcontent/imscc_xmlv1p1/learning-application-resource', 'webcontent');

    public static $forumns  = array('dt' => 'http://www.imsglobal.org/xsd/imsccv1p1/imsdt_v1p1');

    public static $quizns   = array('xmlns' => 'http://www.imsglobal.org/xsd/ims_qtiasiv1p2');

    public static $resourcens = array('wl' => 'http://www.imsglobal.org/xsd/imsccv1p1/imswl_v1p1');

    public static $basicltins = array(

                                       'xmlns' => 'http://www.imsglobal.org/xsd/imslticc_v1p0',

                                       'blti'  => 'http://www.imsglobal.org/xsd/imsbasiclti_v1p0',

                                       'lticm' => 'http://www.imsglobal.org/xsd/imslticm_v1p0',

                                       'lticp' => 'http://www.imsglobal.org/xsd/imslticp_v1p0'

                                      );

    public function __construct($path_to_manifest) {

        parent::__construct($path_to_manifest);

    }

    public function generate_moodle_xml() {

        global $CFG;

        $cdir = static::$path_to_manifest_folder . DIRECTORY_SEPARATOR . 'course_files';

        if (!file_exists($cdir)) {

            mkdir($cdir, $CFG->directorypermissions, true);

        }

        $sheet_base = static::loadsheet(SHEET_BASE);

        // MOODLE_BACKUP / INFO / DETAILS / MOD

        $node_info_details_mod = $this->create_code_info_details_mod();

        // MOODLE_BACKUP / BLOCKS / BLOCK

        $node_course_blocks_block = $this->create_node_course_blocks_block();

        // MOODLE_BACKUP / COURSES / SECTIONS / SECTION

        $node_course_sections_section = $this->create_node_course_sections_section();

        // MOODLE_BACKUP / COURSES / QUESTION_CATEGORIES

        $node_course_question_categories = $this->create_node_question_categories();

        // MOODLE_BACKUP / COURSES / MODULES / MOD

        $node_course_modules_mod = $this->create_node_course_modules_mod();

        // MOODLE_BACKUP / COURSE / HEADER

        $node_course_header = $this->create_node_course_header();

        // GENERAL INFO

        $filename = optional_param('file', 'not_available.zip', PARAM_RAW);

        $filename = basename($filename);

        $www_root = $CFG->wwwroot;

        $find_tags = array('[#zip_filename#]',

                               '[#www_root#]',

                               '[#node_course_header#]',

                               '[#node_info_details_mod#]',

                               '[#node_course_blocks_block#]',

                               '[#node_course_sections_section#]',

                               '[#node_course_question_categories#]',

                               '[#node_course_modules#]');

        $replace_values = array($filename,

        $www_root,

        $node_course_header,

        $node_info_details_mod,

        $node_course_blocks_block,

        $node_course_sections_section,

        $node_course_question_categories,

        $node_course_modules_mod);

        $result_xml = str_replace($find_tags, $replace_values, $sheet_base);

        // COPY RESOURSE FILES

        $entities = new entities11();

        $entities->move_all_files();

        if (array_key_exists("index", self::$instances)) {

            if (!file_put_contents(static::$path_to_manifest_folder . DIRECTORY_SEPARATOR . 'moodle.xml', $result_xml)) {

                static::log_action('Cannot save the moodle manifest file: ' . static::$path_to_manifest_folder . DIRECTORY_SEPARATOR . 'moodle.xml', true);

            } else {

                $status = true;

            }

        } else {

            $status = false;

            static::log_action('The course is empty', false);

        }

        return $status;

    }

    public function convert_to_moodle_type($cc_type) {

        $type = parent::convert_to_moodle_type($cc_type);

        if ($type == TYPE_UNKNOWN) {

            if ($cc_type == static::CC_TYPE_BASICLTI) {

                $type = MOODLE_TYPE_LTI;

            }

        }

        return $type;

    }

    protected function create_node_question_categories() {

        $quiz = new cc11_quiz();

        static::log_action('Creating node: QUESTION_CATEGORIES');

        $node_course_question_categories = $quiz->generate_node_question_categories();

        return $node_course_question_categories;

    }

    protected function create_code_info_details_mod() {

        $result = parent::create_code_info_details_mod();

        $count_blti = $this->count_instances(MOODLE_TYPE_LTI);

        $sheet_info_details_mod_instances_instance = static::loadsheet(SHEET_INFO_DETAILS_MOD_INSTANCE);

        $blti_mod = '';

        if ($count_blti > 0) {

            $blti_instance = $this->create_mod_info_details_mod_instances_instance($sheet_info_details_mod_instances_instance, $count_blti, static::$instances['instances'][MOODLE_TYPE_LTI]);

            $blti_mod = $blti_instance ? $this->create_mod_info_details_mod(MOODLE_TYPE_LTI, $blti_instance) : '';

        }

        return $result . $blti_mod;

    }

    /**

    * (non-PHPdoc)

    * @see cc2moodle::get_module_visible()

    */

    protected function get_module_visible($identifier) {

        //Should item be hidden or not

        $mod_visible = 1;

        if (!empty($identifier)) {

            $xpath = static::newx_path(static::$manifest, static::$namespaces);

            $query  = '/imscc:manifest/imscc:resources/imscc:resource[@identifier="' . $identifier . '"]';

            $query .= '//lom:intendedEndUserRole/lom:value';

            $intendeduserrole = $xpath->query($query);

            if (!empty($intendeduserrole) && ($intendeduserrole->length > 0)) {

                $role = trim($intendeduserrole->item(0)->nodeValue);

                if ((strcasecmp('Instructor', $role) === 0) || (strcasecmp('Mentor', $role) === 0)) {

                    $mod_visible = 0;

                }

            }

        }

        return $mod_visible;

    }

    protected function create_node_course_modules_mod() {

        $labels = new cc_label();

        $resources = new cc11_resource();

        $forums = new cc11_forum();

        $quiz = new cc11_quiz();

        $basiclti = new cc11_lti();

        static::log_action('Creating node: COURSE/MODULES/MOD');

        // LABELS

        $node_course_modules_mod_label = $labels->generate_node();

        // RESOURCES (WEB CONTENT AND WEB LINK)

        $node_course_modules_mod_resource = $resources->generate_node();

        // FORUMS

        $node_course_modules_mod_forum = $forums->generate_node();

        // QUIZ

        $node_course_modules_mod_quiz = $quiz->generate_node_course_modules_mod();

        //BasicLTI

        $node_course_modules_mod_basiclti = $basiclti->generate_node();

        $node_course_modules = $node_course_modules_mod_label.

                               $node_course_modules_mod_resource .

                               $node_course_modules_mod_forum .

                               $node_course_modules_mod_quiz .

                               $node_course_modules_mod_basiclti;

        return $node_course_modules;

    }

}