/**
* insert or update course data
*
* @return boolean success
*/
public function save()
{
if (empty($this->courseId)) {
// Insert
$keys = define_course_keys($this->officialCode, '', get_conf('dbNamePrefix'));
$courseSysCode = trim($keys['currentCourseId']);
$courseDbName = trim($keys['currentCourseDbName']);
$courseDirectory = trim($keys['currentCourseRepository']);
if (empty($courseSysCode) || empty($courseDbName) || empty($courseDirectory)) {
throw new Exception("Error missing data for course {$this->officialCode}");
}
if (!$this->useExpirationDate) {
$this->expirationDate = 'NULL';
}
// Session courses are created without categories links:
// so we duplicate the source course's categories links
/*if ( !is_null($this->sourceCourseId) && !empty($this->sourceCourseId) )
{
$sourceCourse = new claroCourse();
$sourceCourse->load(claroCourse::getCodeFromId($this->sourceCourseId));
$this->categories = $sourceCourse->categories;
}*/
if (!is_null($this->sourceCourseId) && !empty($this->sourceCourseId)) {
$sourceCourse = new claroCourse();
$sourceCourse->load(claroCourse::getCodeFromId($this->sourceCourseId));
if ($sourceCourse->sourceCourseId) {
throw new Exception('You cannot create a course session from another course session');
}
}
if (prepare_course_repository($courseDirectory, $courseSysCode) && register_course($courseSysCode, $this->officialCode, $this->sourceCourseId, $courseDirectory, $courseDbName, $this->titular, $this->email, $this->categories, $this->title, $this->language, $GLOBALS['_uid'], $this->access, $this->registration, $this->registrationKey, $this->visibility, $this->departmentName, $this->extLinkUrl, $this->publicationDate, $this->expirationDate, $this->status, $this->userLimit) && install_course_database($courseDbName) && install_course_tools($courseDbName, $this->language, $courseDirectory)) {
$courseObj = new Claro_Course($courseSysCode);
$courseObj->load();
$courseRegistration = new Claro_CourseUserRegistration(AuthProfileManager::getUserAuthProfile($GLOBALS['_uid']), $courseObj, null, null);
$courseRegistration->ignoreRegistrationKeyCheck();
$courseRegistration->ignoreCategoryRegistrationCheck();
$courseRegistration->setCourseAdmin();
$courseRegistration->setCourseTutor();
$courseRegistration->forceSuperUser();
if ($courseRegistration->addUser()) {
// Set course id
$this->courseId = $courseSysCode;
// Notify event manager
$args['courseSysCode'] = $courseSysCode;
$args['courseDbName'] = $courseDbName;
$args['courseDirectory'] = $courseDirectory;
$args['courseCategory'] = $this->categories;
$GLOBALS['eventNotifier']->notifyEvent("course_created", $args);
return true;
} else {
$this->backlog->failure($courseRegistration->getErrorMessage());
return false;
}
} else {
$lastFailure = claro_failure::get_last_failure();
$this->backlog->failure('Error : ' . $lastFailure);
return false;
}
} else {
// Update
$tbl_mdb_names = claro_sql_get_main_tbl();
$tbl_course = $tbl_mdb_names['course'];
$tbl_cdb_names = claro_sql_get_course_tbl();
$tbl_course_properties = $tbl_cdb_names['course_properties'];
if (!$this->useExpirationDate) {
$this->expirationDate = null;
}
$sqlExpirationDate = is_null($this->expirationDate) ? 'NULL' : 'FROM_UNIXTIME(' . claro_sql_escape($this->expirationDate) . ')';
$sqlCreationDate = is_null($this->publicationDate) ? 'NULL' : 'FROM_UNIXTIME(' . claro_sql_escape($this->publicationDate) . ')';
$sql = "UPDATE `" . $tbl_course . "`\n SET `intitule` = '" . claro_sql_escape($this->title) . "',\n `titulaires` = '" . claro_sql_escape($this->titular) . "',\n `administrativeNumber` = '" . claro_sql_escape($this->officialCode) . "',\n `language` = '" . claro_sql_escape($this->language) . "',\n `extLinkName` = '" . claro_sql_escape($this->departmentName) . "',\n `extLinkUrl` = '" . claro_sql_escape($this->extLinkUrl) . "',\n `email` = '" . claro_sql_escape($this->email) . "',\n `visibility` = '" . ($this->visibility ? 'visible' : 'invisible') . "',\n `access` = '" . claro_sql_escape($this->access) . "',\n `registration` = '" . claro_sql_escape($this->registration) . "',\n `registrationKey` = '" . claro_sql_escape($this->registrationKey) . "',\n `lastEdit` = NOW(),\n `creationDate` = " . $sqlCreationDate . ",\n `expirationDate` = " . $sqlExpirationDate . ",\n `status` = '" . claro_sql_escape($this->status) . "',\n `userLimit` = '" . (int) $this->userLimit . "'\n WHERE code='" . claro_sql_escape($this->courseId) . "'";
// Handle categories
// 1/ Remove all links in database
$this->unlinkCategories();
// 2/ Link new categories selection
$this->linkCategories($this->categories);
// If it's a source course, do the same for all its session courses
if ($this->isSourceCourse) {
$sql2 = "SELECT cours_id FROM `" . $tbl_course . "`\n WHERE sourceCourseId = " . $this->id;
$sessionCourses = claro_sql_query_fetch_all_rows($sql2);
foreach ($sessionCourses as $sessionCourse) {
unlink_course_categories($sessionCourse['cours_id']);
link_course_categories($sessionCourse['cours_id'], $this->categories);
}
}
return claro_sql_query($sql);
}
}
/**
* This function creates a virtual course.
* It assumes all parameters have been checked and are not empty.
* It checks wether a course with the $wanted_course_code already exists.
*
* Users of this library should consider this function private,
* please call attempt_create_virtual_course instead of this one.
*
* note: The virtual course 'owner' id (the first course admin) is set to the CURRENT user id.
* @param string Course code
* @param string Course title
* @param string Wanted course code
* @param string Course language
* @param string Course category
* @return true if the course creation succeeded, false otherwise
* @todo research: expiration date of a course
* @deprecated virtual course feature is not supported
*/
public static function create_virtual_course($real_course_code, $course_title, $wanted_course_code, $course_language, $course_category)
{
global $firstExpirationDelay;
$user_id = api_get_user_id();
$real_course_info = Database::get_course_info($real_course_code);
$real_course_code = $real_course_info['system_code'];
//check: virtual course creation fails if another course has the same
//code, real or fake.
if (self::course_code_exists($wanted_course_code)) {
Display::display_error_message($wanted_course_code . ' - ' . get_lang('CourseCodeAlreadyExists'));
return false;
}
//add data to course table, course_rel_user
$course_sys_code = $wanted_course_code;
$course_screen_code = $wanted_course_code;
$course_repository = $real_course_info['directory'];
$course_db_name = $real_course_info['db_name'];
$responsible_teacher = $real_course_info['tutor_name'];
$faculty_shortname = $course_category;
// $course_title = $course_title;
// $course_language = $course_language;
$teacher_id = $user_id;
//HACK ----------------------------------------------------------------
$expiration_date = time() + $firstExpirationDelay;
//END HACK ------------------------------------------------------------
register_course($course_sys_code, $course_screen_code, $course_repository, $course_db_name, $responsible_teacher, $faculty_shortname, $course_title, $course_language, $teacher_id, $expiration_date);
//above was the normal course creation table update call,
//now one more thing: fill in the target_course_code field
Database::query("UPDATE " . Database::get_main_table(TABLE_MAIN_COURSE) . " SET target_course_code = '{$real_course_code}'\n WHERE code = '" . Database::escape_string($course_sys_code) . "' LIMIT 1 ");
return true;
}
