<?php

class Model {

	private $connection;

	public function __construct()
	{
		global $config;
		
		$this->connection = mysqli_connect($config['db_host'], $config['db_username'], $config['db_password'],$config['db_name']);
		//mysql_select_db($config['db_name'], $this->connection);
		mysqli_query($this->connection,"SET NAMES utf8");
		//mysqli_query($this->connection,"SET CHARACTER utf8");
	}

	public function escapeString($string)
	{
		return mysqli_real_escape_string($this->connection,$string);
	}

	public function escapeArray($array)
	{
		foreach ($array as $key => $value) {
			$array[$key] = mysqli_real_escape_string($this->connection, $value);
		}
		return $array;
	}
	
	public function to_bool($val)
	{
	    return !!$val;
	}
	
	public function to_date($val)
	{
	    return date('Y-m-d', $val);
	}
	
	public function to_time($val)
	{
	    return date('H:i:s', $val);
	}
	
	public function to_datetime($val)
	{
	    return date('Y-m-d H:i:s', $val);
	}
	
	public function query($qry,$force=false)
	{
		global $config;

		mysqli_select_db($this->connection,$config['db_name']);

		$result = mysqli_query($this->connection,$qry) or die(mysqli_error($this->connection));
		
		$resultObjects = array();

		if (mysqli_num_rows($result) > 0) {
			while ($row = mysqli_fetch_object($result)) $resultObjects[] = $row;
		}
		
		return $resultObjects;
	}

	public function execute($qry)
	{
		global $config;

		mysqli_select_db($this->connection,$config['db_name']);

		$exec = mysqli_query($this->connection,$qry) or die(mysqli_error($this->connection));
		return $exec;
	}
        
        
        public function getLastInsertID() {
            return mysqli_insert_id($this->connection);
        }
    
}
?>