<?php
/*
 *   This file is part of PhpCompta.
 *
 *   PhpCompta 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 2 of the License, or
 *   (at your option) any later version.
 *
 *   PhpCompta 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 PhpCompta; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/* $Revision: 1649 $ */

// Copyright Author Dany De Bontridder ddebontridder@yahoo.fr

/*!\file
 * \brief manage the table forecast
 */
/*!
 * \brief manage the table forecast
 */
class Forecast
{
	private static $variable=array ("id"=>"f_id","name"=>"f_name");
	private $cn;
	/**
	 * @brief constructor
	 * @param $p_init Database object
	 */
	function __construct ($p_init,$p_id=0) {
		$this->cn=$p_init;
		$this->f_id=$p_id;
	}
	public function get_parameter($p_string) {
		if ( array_key_exists($p_string,self::$variable) ) {
			$idx=self::$variable[$p_string];
			return $this->$idx;
		}
		else
		exit (__FILE__.":".__LINE__."[$p_string]".'Erreur attribut inexistant');
	}
	public function set_parameter($p_string,$p_value) {
		if ( array_key_exists($p_string,self::$variable) ) {
			$idx=self::$variable[$p_string];
			$this->$idx=$p_value;
		}
		else
		exit (__FILE__.":".__LINE__."[$p_string]".'Erreur attribut inexistant');
	}
	public function get_info() {    return var_export(self::$variable,true);  }

	public function verify() {
		// Verify that the elt we want to add is correct
		// the f_name must be unique (case insensitive)
		if ( strlen(trim($this->f_name))==0) throw new Exception(_('Le nom ne peut pas être vide'));
		return 0;
	}
	public function save() {
		/* please adapt */
		if (  $this->get_parameter("id") == 0 )
		$this->insert();
		else
		$this->update();
	}

	public function insert() {
		if ( $this->verify() != 0 ) return;
		$sql="insert into forecast (f_name) ".
      " values ($1)  returning f_id";
		$res=$this->cn->exec_sql(
					 $sql,
					 array($this->f_name)
					 );
		$this->f_id=Database::fetch_result($res,0,0);
	}

	/**
	 *@brief update the forecast table
	 */
	public function update() {
		if ( $this->verify() != 0 ) return;

		$sql="update forecast set f_name=$1 ".
      " where f_id = $2";
		$res=$this->cn->exec_sql(
		$sql,
		array($this->f_name, $this->f_id)
		);

	}
	/**
	 *@brief load all the existing forecast
	 *@param $p_cn is an Database object
	 *@return array of f_id and f_name
	 */
	public static function load_all($p_cn) {
		$sql="select f_id, f_name from forecast";
		$ret=$p_cn->get_array($sql);
		return $ret;
	}
	public function load() {
		$sql="select f_name from forecast where f_id=$1";
		$res=$this->cn->exec_sql(
								$sql,
								array($this->f_id)
								);
		if ( Database::num_row($res) == 0 ) return -1;
		$row=Database::fetch_array($res,0);
		foreach ($row as $idx=>$value) { $this->$idx=$value; }
	}
	public function delete() {
		$sql="delete from forecast where f_id=$1";
		$res=$this->cn->exec_sql($sql,array($this->f_id));
	}
	/**
	 * @brief unit test
	 */
	static function test_me() {
	}

}
?>