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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Course request manager
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* @package chamilo.library
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*
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* @author José Manuel Abuin Mosquera <chema@cesga.es>, 2010
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* @author Bruno Rubio Gayo <brubio@cesga.es>, 2010
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* Centro de Supercomputacion de Galicia (CESGA)
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*
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* @author Ivan Tcholakov <ivantcholakov@gmail.com> (technical adaptation for Chamilo 1.8.8), 2010
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*/
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define(COURSE_REQUEST_PENDING, 0);
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define(COURSE_REQUEST_ACCEPTED, 1);
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define(COURSE_REQUEST_REJECTED, 2);
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class CourseRequestManager {
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/**
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* Checks whether a given course code has been already occupied.
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* @param string $wanted_course_code The code to be checked.
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* @return string
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* Returns TRUE if there is created:
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* - a course with the same code OR visual_code (visualcode).
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* - a course request with the same code as the given one, or
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* Othewise returns FALSE.
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*/
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public static function course_code_exists($wanted_course_code) {
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if ($code_exists = CourseManager::course_code_exists($wanted_course_code)) {
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return $code_exists;
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}
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$table_course_request = Database :: get_main_table(TABLE_MAIN_COURSE_REQUEST);
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$wanted_course_code = Database::escape_string($wanted_course_code);
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$sql = sprintf('SELECT COUNT(*) as number FROM %s WHERE visual_code = "%s"', $table_course_request, $wanted_course_code);
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$result = Database::fetch_array(Database::query($sql));
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return $result['number'] > 0;
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}
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}
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