<?php
/**
 * Copyright 2018 Wim van Ravesteijn
 *
 * This file is part of AEGEE-Europe Statutory Event Applications.
 *
 * AEGEE-Europe Statutory Event Applications 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.
 *
 * AEGEE-Europe Statutory Event Applications 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 AEGEE-Europe Statutory Event Applications.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

require_once dirname(__FILE__) . "/IResult.php";

class MySQLResult implements IResult {
	private $result = null;
	
	public function __construct($result) {
		$this->result = $result;
	}

	public function __destruct() {
		if( $this->result != null && $this->result !== false ) {
			$this->freeResult();
		}
	}

	/**
	 * Return associative array of last select
	 *
	 * @return array associative array of last select
	 */
	public function fetchAssoc() {
		return $this->result->fetch_assoc();
	}

	/**
	 * Fetch all result rows as an associative array
	 *
	 * @return 2-dimensional array containing all result rows
	 */
	public function fetchAssocAll() {
		$rows = array();
		while( $row = $this->fetchAssoc() ) {
			$rows[] = $row;
		}
		return $rows;
	}

	/**
	 * Adjusts the result pointer to an arbitrary row in the result
	 *
	 * @param int row
	 */
	public function dataSeek($row) {
		$this->result->data_seek($row);
	}

	/**
	 * Free result
	 */
	public function freeResult() {
		$this->result->free();
		$this->result = NULL;
	}

	/**
	 * Return number of rows in result
	 */
	public function numRows() {
		return $this->result->num_rows;
	}
}