2012-03-01 02:20:35 +01:00

300 lines
8.4 KiB
PHP

<?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/>.
/// TIME PERIOD ///
define('HUB_LASTMODIFIED_WEEK', 7);
define('HUB_LASTMODIFIED_FORTEENNIGHT', 14);
define('HUB_LASTMODIFIED_MONTH', 30);
//// AUDIENCE ////
/**
* Audience: educators
*/
define('HUB_AUDIENCE_EDUCATORS', 'educators');
/**
* Audience: students
*/
define('HUB_AUDIENCE_STUDENTS', 'students');
/**
* Audience: admins
*/
define('HUB_AUDIENCE_ADMINS', 'admins');
///// EDUCATIONAL LEVEL /////
/**
* Educational level: primary
*/
define('HUB_EDULEVEL_PRIMARY', 'primary');
/**
* Educational level: secondary
*/
define('HUB_EDULEVEL_SECONDARY', 'secondary');
/**
* Educational level: tertiary
*/
define('HUB_EDULEVEL_TERTIARY', 'tertiary');
/**
* Educational level: government
*/
define('HUB_EDULEVEL_GOVERNMENT', 'government');
/**
* Educational level: association
*/
define('HUB_EDULEVEL_ASSOCIATION', 'association');
/**
* Educational level: corporate
*/
define('HUB_EDULEVEL_CORPORATE', 'corporate');
/**
* Educational level: other
*/
define('HUB_EDULEVEL_OTHER', 'other');
///// FILE TYPES /////
/**
* FILE TYPE: COURSE SCREENSHOT
*/
define('HUB_SCREENSHOT_FILE_TYPE', 'screenshot');
/**
* FILE TYPE: HUB SCREENSHOT
*/
define('HUB_HUBSCREENSHOT_FILE_TYPE', 'hubscreenshot');
/**
* FILE TYPE: BACKUP
*/
define('HUB_BACKUP_FILE_TYPE', 'backup');
/**
*
* Course publication library
*
* @package course
* @copyright 2010 Moodle Pty Ltd (http://moodle.com)
* @author Jerome Mouneyrac
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_publish_manager {
/**
* Record a course publication
* @param int $hubid the hub id from the 'registered on hub' table
* @param int $courseid the course id from site point of view
* @param int $enrollable if the course is enrollable = 1, if downloadable = 0
* @param int $hubcourseid the course id from the hub point of view
*/
public function add_course_publication($huburl, $courseid, $enrollable, $hubcourseid) {
global $DB;
$publication = new stdClass();
$publication->huburl = $huburl;
$publication->courseid = $courseid;
$publication->hubcourseid = $hubcourseid;
$publication->enrollable = (int) $enrollable;
$publication->timepublished = time();
$DB->insert_record('course_published', $publication);
}
/**
* Update a enrollable course publication
* @param int $publicationid
*/
public function update_enrollable_course_publication($publicationid) {
global $DB;
$publication = new stdClass();
$publication->id = $publicationid;
$publication->timepublished = time();
$DB->update_record('course_published', $publication);
}
/**
* Update a course publication
* @param object $publication
*/
public function update_publication($publication) {
global $DB;
$DB->update_record('course_published', $publication);
}
/**
* Get courses publications
* @param int $hubid specify a hub
* @param int $courseid specify a course
* @param int $enrollable specify type of publication (enrollable or downloadable)
* @return array of publications
*/
public function get_publications($huburl = null, $courseid = null, $enrollable = -1) {
global $DB;
$params = array();
if (!empty($huburl)) {
$params['huburl'] = $huburl;
}
if (!empty($courseid)) {
$params['courseid'] = $courseid;
}
if ($enrollable != -1) {
$params['enrollable'] = (int) $enrollable;
}
return $DB->get_records('course_published', $params);
}
/**
* Get a publication for a course id on a hub
* (which is either the id of the unique possible enrollable publication of a course,
* either an id of one of the downloadable publication)
* @param int $hubcourseid
* @param string $huburl
* @return object publication
*/
public function get_publication($hubcourseid, $huburl) {
global $DB;
return $DB->get_record('course_published',
array('hubcourseid' => $hubcourseid, 'huburl' => $huburl));
}
/**
* Get all publication for a course
* @param int $courseid
* @return array of publication
*/
public function get_course_publications($courseid) {
global $DB;
$sql = 'SELECT cp.id, cp.status, cp.timechecked, cp.timepublished, rh.hubname,
rh.huburl, cp.courseid, cp.enrollable, cp.hubcourseid
FROM {course_published} cp, {registration_hubs} rh
WHERE cp.huburl = rh.huburl and cp.courseid = :courseid
ORDER BY cp.enrollable DESC, rh.hubname, cp.timepublished';
$params = array('courseid' => $courseid);
return $DB->get_records_sql($sql, $params);
}
/**
* Get the hub concerned by a publication
* @param int $publicationid
* @return object the hub (id, name, url, token)
*/
public function get_registeredhub_by_publication($publicationid) {
global $DB;
$sql = 'SELECT rh.huburl, rh.hubname, rh.token
FROM {course_published} cp, {registration_hubs} rh
WHERE cp.huburl = rh.huburl and cp.id = :publicationid';
$params = array('publicationid' => $publicationid);
return $DB->get_record_sql($sql, $params);
}
/**
* Delete a publication
* @param int $publicationid
*/
public function delete_publication($publicationid) {
global $DB;
$DB->delete_records('course_published', array('id' => $publicationid));
}
/**
* Delete publications for a hub
* @param string $huburl
* @param int $enrollable
*/
public function delete_hub_publications($huburl, $enrollable = -1) {
global $DB;
$params = array();
if (!empty($huburl)) {
$params['huburl'] = $huburl;
}
if ($enrollable != -1) {
$params['enrollable'] = (int) $enrollable;
}
$DB->delete_records('course_published', $params);
}
/**
* Get an array of all block instances for a given context
* @param int $contextid a context id
* @return array of block instances.
*/
public function get_block_instances_by_context($contextid, $sort = '') {
global $DB;
return $DB->get_records('block_instances', array('parentcontextid' => $contextid), $sort);
}
/**
* Retrieve all the sorted course subjects
* @return array $subjects
*/
public function get_sorted_subjects() {
$subjects = get_string_manager()->load_component_strings('edufields', current_language());
//sort the subjects
asort($subjects);
foreach ($subjects as $key => $option) {
$keylength = strlen($key);
if ($keylength == 8) {
$toplevel[$key] = $option;
} else if ($keylength == 10) {
$sublevel[substr($key, 0, 8)][$key] = $option;
} else if ($keylength == 12) {
$subsublevel[substr($key, 0, 8)][substr($key, 0, 10)][$key] = $option;
}
}
//recreate the initial structure returned by get_string_manager()
$subjects = array();
foreach ($toplevel as $key => $name) {
$subjects[$key] = $name;
foreach ($sublevel[$key] as $subkey => $subname) {
$subjects[$subkey] = $subname;
foreach ($subsublevel[$key][$subkey] as $subsubkey => $subsubname) {
$subjects[$subsubkey] = $subsubname;
}
}
}
return $subjects;
}
}
?>