forecast.class.php

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<?php
/*
 *   This file is part of NOALYSS.
 *
 *   NOALYSS 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.
 *
 *   NOALYSS 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 NOALYSS; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
// Copyright Author Dany De Bontridder danydb@aevalys.eu
 
/*!\file
 * \brief manage the table forecast
 */
/*!
 * \brief manage the table forecast
 */
class Forecast
{
  private static $variable=array ("id"=>"f_id",
      "name"=>"f_name","start_date"=>"f_start_date","end_date"=>"f_end_date"
      );
    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
            throw new Exception("Attribut inexistant $p_string");
    }
    public function set_parameter($p_string,$p_value)
    {
        if ( array_key_exists($p_string,self::$variable) )
        {
            $idx=self::$variable[$p_string];
            $this->$idx=$p_value;
        }
        else
            throw new Exception("Attribut inexistant $p_string");
    }
    public function get_info()
    {
        return var_export(self::$variable,true);
    }
 
    public function verify()
    {
        // Verify that the elt we want to add is correct
        // the f_name must be unique (case insensitive)
        if ( noalyss_strlentrim($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,f_start_date,f_end_date) ".
             " values ($1,$2,$3)  returning f_id";
        $res=$this->cn->exec_sql(
                 $sql,
                 array($this->f_name,$this->f_start_date,$this->f_end_date)
             );
        $this->f_id=Database::fetch_result($res,0,0);
    }
 
    /**
     *@brief update the forecast table
     */
    public function update()
    {
        if ( $this->verify() != 0 ) return;
 
        $sql="update forecast set f_name=$1,f_start_date=$2,f_end_date=$3 ".
             " where f_id = $4";
        $res=$this->cn->exec_sql(
                 $sql,
                 array($this->f_name,$this->f_start_date,$this->f_end_date, $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,f_start_date,f_end_date from forecast order by 2 desc";
        $ret=$p_cn->get_array($sql);
        return $ret;
    }
    /**
     * @brief load from db
     * @return boolean true if found else false 
     */
    public function load():bool
    {
        $sql="select f_id, f_name,f_start_date ,f_end_date from forecast where f_id=$1";
        $res=$this->cn->exec_sql(
                 $sql,
                 array($this->f_id)
             );
        if ( Database::num_row($res) == 0 ) return false;
        $row=Database::fetch_array($res,0);
        $a_index=array_values(self::$variable);
        foreach ( $a_index as $idx)
        {
            $this->$idx=$row[$idx];
        }
        return true;
    }
    public function delete()
    {
        $sql="delete from forecast where f_id=$1";
        $res=$this->cn->exec_sql($sql,array($this->f_id));
    }
    public function object_clone()
    {
      $this->load();
      /* save into the table forecast */
      $sql="insert into forecast(f_name,f_start_date,f_end_date) select 'clone '||f_name,f_start_date,f_end_date from forecast where f_id=$1 returning f_id";
      $new=$this->cn->get_value($sql,array($this->f_id));
 
      /* save into forecast_cat */
      $sql="insert into forecast_cat(fc_desc,f_id,fc_order)  select fc_desc,$1,fc_order from forecast_cat where f_id=$2 returning fc_id" ;
      $array=$this->cn->get_array($sql,array($new,$this->f_id));
 
      $old=$this->cn->get_array("select fc_id from forecast_cat where f_id=$1",array($this->f_id));
      /* save into forecast_item */
      for ($i=0;$i<count($array);$i++)
        {
          $this->cn->exec_sql("insert into forecast_item (fi_text,fi_account,fi_order,fc_id,fi_amount,fi_pid) ".
                              " select fi_text,fi_account,fi_order,$1,fi_amount,fi_pid ".
                              " from forecast_item where fc_id=$2",array($array[$i]['fc_id'],$old[$i]['fc_id']));
        }
    }
 
 
}
?>