@ -16,31 +16,110 @@ require_once api_get_path(LIBRARY_PATH) . 'plugin.class.php'; 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function sync()  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySessionRelCourse = Database::get_main_table(TABLE_BUY_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "UPDATE $tableBuySessionRelCourse SET sync = 0";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT id_session, course_code, nbr_users FROM $tableSessionRelCourse";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT 1 FROM $tableBuySessionRelCourse WHERE id_session='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "UPDATE $tableBuySessionRelCourse SET sync = 1 WHERE id_session='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "INSERT INTO $tableBuySessionRelCourse (id_session, course_code, nbr_users, sync)   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            VALUES ('" . $row['id_session'] . "', '" . $row['course_code'] . "', '" . $row['nbr_users'] . "', 1);";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "DELETE FROM $tableBuySessionRelCourse WHERE sync = 0;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourse = Database::get_main_table(TABLE_BUY_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);       
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "UPDATE $tableBuyCourse SET sync = 0";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT id FROM $tableCourse";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT id, code, title  FROM $tableCourse";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT id_session FROM $tableBuySessionRelCourse   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE course_code = '" . $row['code'] . "' LIMIT 1";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $courseIdSession = Database::fetch_assoc(Database::query($sql))['id_session'];  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (!is_numeric($courseIdSession)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $courseIdSession = 0;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT 1 FROM $tableBuyCourse WHERE course_id='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "UPDATE $tableBuyCourse SET sync = 1 WHERE course_id='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "UPDATE $tableBuyCourse SET sync = 1, session_id = $courseIdSession  WHERE course_id='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "INSERT INTO $tableBuyCourse (course_id, visible, sync) VALUES ('" . $row['id'] . "', 0, 1);";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "INSERT INTO $tableBuyCourse (session_id, course_id, code, title, visible, sync)   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            VALUES ('" . $courseIdSession . "', '" . $row['id'] . "', '" .   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $row['code'] . "', '" . $row['title'] . "', 0, 1);";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "DELETE FROM $tableBuyCourse WHERE sync = 0;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySession = Database::get_main_table(TABLE_BUY_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "UPDATE $tableBuySession SET sync = 0";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT id, name, date_start, date_end FROM $tableSession";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT 1 FROM $tableBuySession WHERE session_id='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "UPDATE $tableBuySession SET sync = 1 WHERE session_id='" . $row['id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "INSERT INTO $tableBuySession (session_id, name, date_start, date_end, visible, sync)   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            VALUES ('" . $row['id'] . "', '" . $row['name'] . "', '" .   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $row['date_start'] .  "', '" . $row['date_end'] . "', 0, 1);";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "DELETE FROM $tableBuySession WHERE sync = 0;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * List courses detils from the buy-course table and the course table  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * List sessions details from the buy-session table and the session table  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @return array Results (list of session details)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function listSessions()  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySession = Database::get_main_table(TABLE_BUY_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT a.session_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuySession a, $tableSession b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.session_id = b.id;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $aux = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $aux[] = $row;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $aux;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * List courses details from the buy-course table and the course table  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @return array Results (list of courses details)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function listCourses()  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -60,6 +139,97 @@ function listCourses() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $aux;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function userSessionList()  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySession = Database::get_main_table(TABLE_BUY_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySessionRelCourse = Database::get_main_table(TABLE_BUY_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourse = Database::get_main_table(TABLE_BUY_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySessionTemporal = Database::get_main_table(TABLE_BUY_SESSION_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    // get existing sessions  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT a.session_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuySession a, $tableSession b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.session_id = b.id AND a.visible = 1;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $resSessions = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $auxSessions = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    // loop through all sessions  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($rowSession = Database::fetch_assoc($resSessions)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // get courses of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sqlSessionCourse = "SELECT DISTINCT a.id_session, a.course_code, a.nbr_users  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuySessionRelCourse a, $tableSessionRelCourse b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.id_session = b.id_session AND a.id_session = " . $rowSession['session_id'] . ";";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $resSessionCourse = Database::query($sqlSessionCourse);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $aux = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // loop through courses of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        while ($rowSessionCourse = Database::fetch_assoc($resSessionCourse)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            // get course of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "SELECT a.course_id, a.session_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            FROM $tableBuyCourse a, $tableCourse b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            WHERE a.code = b.code AND a.code = '" . $rowSessionCourse['course_code'] . "' AND a.visible = 1;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            // loop inside a course of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            while ($row = Database::fetch_assoc($res)) {                  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                //check teacher  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $sql = "SELECT lastname, firstname  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                FROM course_rel_user a, user b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                WHERE a.course_code='" . $row['code'] . "'  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                AND a.role< >'' AND a.role< >'NULL'  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                AND a.user_id=b.user_id;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $tmp = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowTmp = Database::fetch_assoc($tmp);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $row['teacher'] = $rowTmp['firstname'] . ' ' . $rowTmp['lastname'];  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                //check images  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                if (file_exists("../../courses/" . $row['code'] . "/course-pic85x85.png")) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                    $row['course_img'] = "courses/" . $row['code'] . "/course-pic85x85.png";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                    $row['course_img'] = "main/img/without_picture.png";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $row['price'] = number_format($row['price'], 2, '.', ' ');  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $aux[] = $row;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        //check if the user is enrolled in the current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (isset($_SESSION['_user']) || $_SESSION['_user']['user_id'] != '') {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "SELECT 1 FROM $tableSessionRelUser  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowSession['enrolled'] = "YES";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $sql = "SELECT 1 FROM $tableBuySessionTemporal  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                    WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                    $rowSession['enrolled'] = "TMP";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                    $rowSession['enrolled'] = "NO";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "SELECT 1 FROM $tableBuySessionTemporal  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowSession['enrolled'] = "TMP";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowSession['enrolled'] = "NO";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // add courses to current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $rowSession['courses'] = $aux;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // add the current whole session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $auxSessions[] = $rowSession;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $auxSessions;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -72,7 +242,7 @@ function userCourseList() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT a.course_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuyCourse a, $tableCourse b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.course_id = b.id AND a.visible = 1;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.course_id = b.id AND a.session_id = 0 AND a. visible = 1;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $aux = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {  
				
			 
			
		
	
	
		
			
				
					
						
							
								 
							 
						
						
							
								 
							 
						
						
					 
				
				 
				 
				
					@ -132,7 +302,24 @@ function userCourseList() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function checkUserCourse($course, $user)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function checkUserBuy($parameter, $user, $type = 'COURSE')  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT 1 FROM %s WHERE %s ='" . $parameter . "' AND id_user='" . $user . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = $type === 'SESSION' ?   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        sprintf($sql, Database::get_main_table(TABLE_MAIN_SESSION_USER), 'id_session') :  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        sprintf($sql, Database::get_main_table(TABLE_MAIN_COURSE_USER), 'course_code');  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return true;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return false;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/*function checkUserCourse($course, $user)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableCourseRelUser = Database::get_main_table(TABLE_MAIN_COURSE_USER);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT 1 FROM $tableCourseRelUser  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -144,12 +331,29 @@ function checkUserCourse($course, $user) 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return false;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}*/  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function checkUserBuyTransfer($parameter, $user, $type = 'COURSE')  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT 1 FROM %s WHERE %s ='" . $parameter . "' AND id_user='" . $user . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = $type === 'SESSION' ?   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        sprintf($sql, Database::get_main_table(TABLE_BUY_SESSION_TEMPORAL), 'session_id') :  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        sprintf($sql, Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL), 'course_code');  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return true;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return false;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function checkUserCourseTransfer($course, $user)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/* function checkUserCourseTransfer($course, $user) 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourseTemporal = Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT 1 FROM $tableBuyCourseTemporal  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -161,7 +365,7 @@ function checkUserCourseTransfer($course, $user) 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        return false;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}*/   
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 *  
				
			 
			
		
	
	
		
			
				
					
						
							
								 
							 
						
						
							
								 
							 
						
						
					 
				
				 
				 
				
					@ -279,6 +483,96 @@ function findCurrency() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $row['currency_code'];  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * Extended information about the session (from the session table as well as  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * the buy_session table)  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @param string $code The session code  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @return array Info about the session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function sessionInfo($code) //TODO  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySession = Database::get_main_table(TABLE_BUY_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSession = Database::get_main_table(TABLE_MAIN_SESSION);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySessionRelCourse = Database::get_main_table(TABLE_BUY_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSessionRelCourse = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourse = Database::get_main_table(TABLE_BUY_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableCourse = Database::get_main_table(TABLE_MAIN_COURSE);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableSessionRelUser = Database::get_main_table(TABLE_MAIN_SESSION_USER);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    //$tableBuyCourseTemporal = Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuySessionTemporal = Database::get_main_table(TABLE_BUY_SESSION_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $code = Database::escape_string($code);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT a.session_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuySession a, $tableSession b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.session_id=b.id  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        AND a.visible = 1  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        AND b.id = '" . $code . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $rowSession = Database::fetch_assoc($res);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sqlSessionCourse = "SELECT DISTINCT a.id_session, a.course_code, a.nbr_users  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    FROM $tableBuySessionRelCourse a, $tableSessionRelCourse b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    WHERE a.id_session = b.id_session AND a.id_session = " . $rowSession['session_id'] . ";";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $resSessionCourse = Database::query($sqlSessionCourse);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $aux = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    // loop through courses of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($rowSessionCourse = Database::fetch_assoc($resSessionCourse)) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // get course of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT a.course_id, a.session_id, a.visible, a.price, b.*  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        FROM $tableBuyCourse a, $tableCourse b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        WHERE a.code = b.code AND a.code = '" . $rowSessionCourse['course_code'] . "' AND a.visible = 1;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        // loop inside a course of current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        while ($row = Database::fetch_assoc($res)) {                  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            //check teacher  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "SELECT lastname, firstname  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            FROM course_rel_user a, user b  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            WHERE a.course_code='" . $row['code'] . "'  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            AND a.role< >'' AND a.role< >'NULL'  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            AND a.user_id=b.user_id;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $tmp = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $rowTmp = Database::fetch_assoc($tmp);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $row['teacher'] = $rowTmp['firstname'] . ' ' . $rowTmp['lastname'];  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            //check images  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            if (file_exists("../../courses/" . $row['code'] . "/course-pic85x85.png")) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $row['course_img'] = "courses/" . $row['code'] . "/course-pic85x85.png";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $row['course_img'] = "main/img/without_picture.png";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $row['price'] = number_format($row['price'], 2, '.', ' ');  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $aux[] = $row;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    //check if the user is enrolled in the current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    if (isset($_SESSION['_user']) || $_SESSION['_user']['user_id'] != '') {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT 1 FROM $tableSessionRelUser  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $rowSession['enrolled'] = "YES";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $sql = "SELECT 1 FROM $tableBuySessionTemporal  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowSession['enrolled'] = "TMP";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					                $rowSession['enrolled'] = "NO";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        $sql = "SELECT 1 FROM $tableBuySessionTemporal  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            WHERE user_id='" . $_SESSION['_user']['user_id'] . "';";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        if (Database::affected_rows() > 0) {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $rowSession['enrolled'] = "TMP";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        } else {  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					            $rowSession['enrolled'] = "NO";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    // add courses to current session  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $rowSession['courses'] = $aux;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $rowSession;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * Extended information about the course (from the course table as well as  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * the buy_course table)  
				
			 
			
		
	
	
		
			
				
					
						
							
								 
							 
						
						
							
								 
							 
						
						
					 
				
				 
				 
				
					@ -366,10 +660,12 @@ function randomText($long = 6, $minWords = true, $maxWords = true, $number = tru 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * Generates an order reference  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @result string A reference number  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function calculateReference()  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function calculateReference($bc_codetext )  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourseTemporal = Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT MAX(cod) as cod FROM $tableBuyCourseTemporal";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyTemporal = $bc_codetext === 'THIS_IS_A_SESSION' ?  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::get_main_table(TABLE_BUY_SESSION_TEMPORAL) :  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT MAX(cod) as cod FROM $tableBuyTemporal";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $row = Database::fetch_assoc($res);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    if ($row['cod'] != '') {  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -379,7 +675,6 @@ function calculateReference() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    }  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $randomText = randomText();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $reference .= $randomText;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					
 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    return $reference;  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					}  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					/**  
				
			 
			
		
	
	
		
			
				
					
						
						
						
							
								 
							 
						
					 
				
				 
				 
				
					@ -387,10 +682,12 @@ function calculateReference() 
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @result array List of orders  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 * @todo Enable pagination  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					 */  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function pendingList()  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					function pendingList($bc_codetext )  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					{  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyCourseTemporal = Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT * FROM $tableBuyCourseTemporal;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $tableBuyTemporal = $bc_codetext === 'THIS_IS_A_SESSION' ?  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::get_main_table(TABLE_BUY_SESSION_TEMPORAL) :  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					        Database::get_main_table(TABLE_BUY_COURSE_TEMPORAL);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $sql = "SELECT * FROM $tableBuyTemporal;";  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $res = Database::query($sql);  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    $aux = array();  
				
			 
			
		
	
		
			
				
					 
					 
				
				 
				 
				
					    while ($row = Database::fetch_assoc($res)) {