<?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
*/

// Copyright Author Dany De Bontridder ddebontridder@yahoo.fr
// $Revision$
/*!\file
 * \brief contains function for the printing
 * \todo the functions of impress_inc.php should be replaced in a OO way
*/

/*!
 * \brief  Get dat for poste 
 * 
 * \param connection
 * \param condition
 * \param position
 *
 */ 
function get_dataPoste($p_cn,$p_poste,$p_condition)
{
  $Res=ExecSql($p_cn,"select to_char(j_date,'DD.MM.YYYY') as j_date,".
	       "case when j_debit='t' then to_char(j_montant,'999999999.99') else ' ' end as deb_montant,".
	       "case when j_debit='f' then to_char(j_montant,'999999999.99') else ' ' end as cred_montant,".
	       " jr_comment as description,jrn_def_name as jrn_name,".
	       "j_debit, jr_internal ".
	       " from jrnx left join jrn_def on jrn_def_id=j_jrn_def ".
	       " left join jrn on jr_grpt_id=j_grpt".
	       " where j_poste=".$p_poste." and ".$p_condition.
	       " order by j_date::date");
  $array=array();
  $tot_cred=0;
  $tot_deb=0;
  $Max=pg_NumRows($Res);
  if ( $Max == 0 ) return null;
  for ($i=0;$i<$Max;$i++) {
    $array[]=pg_fetch_array($Res,$i);
    if ($array[$i]['j_debit']=='t') {
      $tot_deb+=$array[$i]['deb_montant'] ;
    } else {
      $tot_cred+=$array[$i]['cred_montant'] ;
    }
  }
  return array($array,$tot_deb,$tot_cred);
}
/*!
 * \brief  Get data from the jrn table
 * 
 * \param connection
 * \param array periode
 * \param filter (default = YES)
 * \return error code if something code wrong
 *       otherwise the result
 *
 */ 
function get_dataJrn($p_cn,$p_array,$filter=YES)
{
  if ( !isset ($p_array['periode']) ) return NO_PERIOD_SELECTED;

  if ( $filter==YES) {
    if ( ! isset ( $p_array['central'])){
      $cond=CreatePeriodeCond($p_array['periode']);
      $Res=ExecSql($p_cn,"select to_char(j_date,'DD.MM.YYYY') as j_date,
                j_montant as montant,j_debit as debit,j_poste as poste,".
	       "j_text as description,j_grpt as grp,jr_comment as comment,
                j_rapt as oc,jr_internal from jrnx left join jrn on ".
	       "jr_grpt_id=j_grpt where j_jrn_def=".$p_array['p_id'].
	       " and ".$cond." order by j_date::date,j_grpt,j_debit desc");
    } else {
      // create 
      $cond=CreatePeriodeCond($p_array['periode'],"c_periode");

      $Res=ExecSql($p_cn,"select to_char(c_date,'DD.MM.YYYY') as j_date,
                c_montant as montant,c_debit as debit,c_poste as poste,".
		   "c_description as description,c_grp as grp,c_comment as comment,
                c_rapt as oc,c_internal as jr_internal from centralized left join jrn on ".
		   "jr_grpt_id=c_grp where c_jrn_def=".$p_array['p_id']." and ".
		   $cond." order by c_id,c_date,c_grp,c_debit desc");
    }
    
  } // if filter == YES
  if ( $filter == NO) {
    if ( ! isset ($p_array['central']) ) {
      $cond=CreatePeriodeCond($p_array['periode']);
      $Res=ExecSql($p_cn,"select to_char(j_date,'DD.MM.YYYY') as j_date,
                j_montant as montant,j_debit as debit,j_poste as poste,".
		   "j_text as description,j_grpt as grp,jr_comment as comment,
                j_rapt as oc,jr_internal from jrnx left join jrn on ".
		   "jr_grpt_id=j_grpt where ".
		   $cond." order by j_date::date,j_grpt,j_debit desc");
    } else {
      $cond=CreatePeriodeCond($p_array['periode'],"c_periode");

      $Res=ExecSql($p_cn,"select to_char(c_date,'DD.MM.YYYY') as j_date,
                c_montant as montant,c_debit as debit,c_poste as poste,".
		   "c_description as description,c_grp as grp,c_comment as comment,
                c_rapt as oc,c_internal as jr_internal from centralized left join jrn on ".
		   "jr_grpt_id=c_grp where ".
		   $cond." order by c_id,c_date,c_grp,c_debit desc");
    
    } 
  }// filter == no
  $array=array();
  $Max=pg_NumRows($Res);
  for ($i=0;$i<$Max;$i++) {
    $array[]=pg_fetch_array($Res,$i);
  }
  return $array;
}
/*! \function  CreatePeriodeCond
 * \brief  Create the sql query for the periode
 * 
 * \param p_periode
 * \param p_field (default = j_tech_per)
 * \return a string containing the query
 *
 */ 
function CreatePeriodeCond($p_periode,$p_field=" j_tech_per") 
{
  if ( count($p_periode) == 1) {
    return $p_field."=".$p_periode[0];
  }

  $cond_periode=" $p_field in (";
  // condition periode
  $old=0;
  $follow=0;
  foreach ( $p_periode as $per) {
    if ( $old == 0) { 
      $old=$per;
      $follow=1;
      continue;
    }
    if ( $per == $old+1 ) { 
      $old=$per;
      $follow++;
    }
    
  }// foreach
  if ( count($p_periode) == $follow) {
    $cond=$p_field." >= ".$p_periode[0].' and '.$p_field.' <= '.$p_periode[count($p_periode)-1];
    return $cond;
  }

  // condition periode
  foreach ( $p_periode as $per) {
    $cond_periode.=$per.",";
  }
  $cond_periode=substr($cond_periode,0,strlen($cond_periode)-1);
  $cond_periode.=")";
  return $cond_periode;
}
/*!
 * \brief  Get The data for the pdf printing
 * \param connection
 * \param array
 * \param p_limit starting line
 * \param p_offset number of lines
 * \return Array with the asked data
 *
 */ 
function get_dataJrnPdf($p_cn,$p_array,$p_limit,$p_offset)
{
  echo_debug('impress_inc.php',__LINE__,"get_dataJrnPdf");

  if ( !isset ($p_array['periode']) ) return NO_PERIOD_SELECTED;

  if ( $p_array['filter']==YES) {
    $cond=CreatePeriodeCond($p_array['periode']);
    if ( ! isset ($p_array['central']) ) {
      // Journaux non centralisés
    $Res=ExecSql($p_cn,"select j_id,to_char(j_date,'DD.MM.YYYY') as j_date,
                      jr_internal,
                case j_debit when 't' then j_montant::text else '   ' end as deb_montant,
                case j_debit when 'f' then j_montant::text else '   ' end as cred_montant,
                j_debit as debit,j_poste as poste,jr_montant , ".
	       "pcm_lib as description,j_grpt as grp,jr_comment ,
                jr_rapt as oc, j_tech_per as periode from jrnx left join jrn on ".
		 "jr_grpt_id=j_grpt ".
		 " left join tmp_pcmn on pcm_val=j_poste ".
                " where j_jrn_def=".$p_array['p_id'].
	       " and ".$cond." order by j_date::date asc,jr_internal,j_debit desc".
	       " limit ".$p_limit." offset ".$p_offset);
    }else {
      // Journaux centralisés
      $cond=CreatePeriodeCond($p_array['periode'],"c_periode");
      $Sql="select c_id as j_id,
            c_j_id,
            to_char (c_date,'DD.MM.YYYY') as j_date ,
            c_internal as jr_internal,
            case c_debit when 't' then c_montant::text else '   ' end as deb_montant,
            case c_debit when 'f' then c_montant::text else '   ' end as cred_montant,
            c_debit as j_debit,
            c_poste as poste,
            pcm_lib as description,
            jr_comment,
            jr_montant,
            c_grp as grp,
            c_comment as comment,
            c_rapt as oc,
            c_periode as periode 
            from centralized left join jrn on ".
		"jr_grpt_id=c_grp left join tmp_pcmn on pcm_val=c_poste where ".
          	" c_jrn_def=".$p_array['p_id']." and ".
                $cond." order by c_id ";
    $Res=ExecSql($p_cn,$Sql." limit ".$p_limit." offset ".$p_offset);

    }
  } else {
    // Grand Livre
    if (! isset($p_array['central'])) {
      // Non centralisé
      $cond=CreatePeriodeCond($p_array['periode']);
      $Res=ExecSql($p_cn,"select j_id,to_char(j_date,'DD.MM.YYYY') as j_date,
                      jr_internal,
                case j_debit when 't' then j_montant::text else '   ' end as deb_montant,
                case j_debit when 'f' then j_montant::text else '   ' end as cred_montant,
                j_debit as debit,j_poste as poste,".
	       "pcm_lib as description,j_grpt as grp,jr_comment as jr_comment,
                jr_montant,
                jr_rapt as oc, j_tech_per as periode from jrnx left join jrn on ".
		 "jr_grpt_id=j_grpt left join tmp_pcmn on pcm_val=j_poste where ".
	       "  ".$cond." order by j_date::date,j_grpt,j_debit desc".
	       " limit ".$p_limit." offset ".$p_offset);

    } else {
      // Centralisé
      $cond=CreatePeriodeCond($p_array['periode'],"c_periode");
      $Sql="select c_id as j_id,
            c_j_id,
            to_char (c_date,'DD.MM.YYYY') as j_date ,
            c_internal as jr_internal,
            case c_debit when 't' then c_montant::text else '   ' end as deb_montant,
            case c_debit when 'f' then c_montant::text else '   ' end as cred_montant,
            c_debit as j_debit,
            c_poste as poste,
            pcm_lib as description,
            jr_comment,
            jr_montant,
            c_grp as grp,
            c_comment as comment,
            c_rapt as oc,
            c_periode as periode 
            from centralized left join jrn on ".
		"jr_grpt_id=c_grp left join tmp_pcmn on pcm_val=c_poste where ".
                $cond." order by c_id ";
    $Res=ExecSql($p_cn,$Sql." limit ".$p_limit." offset ".$p_offset);
    } // Grand Livre
  }


  $array=array();
  $Max=pg_NumRows($Res);
  if ($Max==0) return null;
  $case="";
  $tot_deb=0;
  $tot_cred=0;
  for ($i=0;$i<$Max;$i++) {
    $line=pg_fetch_array($Res,$i);
    $mont_deb=($line['deb_montant']!=0)?sprintf("% 8.2f",$line['deb_montant']):"";
    $mont_cred=($line['cred_montant']!=0)?sprintf("% 8.2f",$line['cred_montant']):"";
    $jr_montant=($line['jr_montant']!=0)?sprintf("% 8.2f",$line['jr_montant']):"";
    $tot_deb+=$line['deb_montant'];
    $tot_cred+=$line['cred_montant'];
    echo_debug('impress_inc.php',__LINE__," GetJrnDataPdf : mont_Deb ".$mont_deb);
    echo_debug('impress_inc.php',__LINE__," GetJrnDataPdf : mont_cred ".$mont_cred);

    if ( $case != $line['grp'] ) {
      $case=$line['grp'];
      $array[]=array (
		      'j_id'=>$line['j_id'],
		      'j_date' => $line['j_date'],
		      'internal'=>$line['jr_internal'],
		      'deb_montant'=>'',
		      'cred_montant'=>'<b><i>'.$jr_montant.'</i></b>',
		      'description'=>'<b><i>'.$line['jr_comment'].'</i></b>',
		      'poste' => $line['oc'],
		      'periode' =>$line['periode'] );

      $array[]=array (
		      'j_id'=>$line['j_id'], 
		      'j_date' => '',
		      'internal'=>'',
		      'deb_montant'=>$mont_deb,
		      'cred_montant'=>$mont_cred,
		      'description'=>$line['description'],
		      'poste' => $line['poste'],
		      'periode' => $line['periode']
		      );
    
    }else {
      $array[]=array (
		      'j_id'=>$line['j_id'],
		      'j_date' => '',
		      'internal'=>'',
		      'deb_montant'=>$mont_deb,
		      'cred_montant'=>$mont_cred,
		      'description'=>$line['description'],
		      'poste' => $line['poste'],
		      'periode' => $line['periode']);

    }
      

  }
  echo_debug('impress_inc.php',__LINE__,"Total debit $tot_deb,credit $tot_cred");
  $a=array($array,$tot_deb,$tot_cred);
 return $a;
}
/*!
 * \brief  
 *        
 * \param 
 *	
 *\return
 */
function get_dataGrpt($p_cn,$p_array)
{
  if ( !isset ($p_array['periode']) ) return NO_PERIOD_SELECTED;
  $cond=CreatePeriodeCond($p_array['periode']);
  $Res=ExecSql($p_cn,"select distinct ".
	       " j_grpt as grp".
               " from jrnx ".
	       " where j_jrn_def=".$p_array['p_id'].
	       " and ".$cond." order by j_grpt");
  $array=array();
  $Max=pg_NumRows($Res);
  $case="";
  for ($i=0;$i<$Max;$i++) {
    $array[]=pg_fetch_array($Res,$i);
  }
  return $array;
}
/*! 
 * \brief
 * \param $p_cn database connection
 * \param $p_jr_id jrn.jr_id not centralized 
 *                 or jr_op_id normal ledger centralized or jr_c_op_id if GL and centralized
 * \param $p_jrn_id id of the ledger (0 for GL)
 * \param $p_exercice
 * \param $p_which LAST or FIRST
 * \param $p_type CENT for centralized otherwise empty
 * 
 *
 * \return array sum(HTVA) sum(TVAC) sum (each TVA)
 */
function get_rappel_simple ($p_cn,$p_jrn_id,$p_jrn_type,$p_from,&$arap) 
{
  echo_debug("impress_inc",__LINE__,"function get_rappel_simple ($p_cn,$p_jrn_id,$p_jrn_type,$p_from,$arap) ");
  if ( $p_jrn_type !='VEN' && $p_jrn_type != "ACH")
    {
      echo "ERREUR Journal invalide $p_jrn_type __FILE__ __LINE__";
      exit;
    }
  // find the last operation of the previous periode
  $min=getDbValue($p_cn,"select max (c_id) from centralized where c_jrn_def=$p_jrn_id ".
		  " and c_date < (select p_start from parm_periode where p_id = $p_from)");
  if ($min == "" ) return 0;
  // Find Exercice
  $Exercice=get_exercice($p_cn,$p_from);

  $a_Tva=get_array($p_cn,"select tva_id,tva_label,tva_poste from tva_rate where tva_rate != 0.0000 order by tva_id");
  
  // Compute VAT
  foreach ($a_Tva as $line_tva)
    {
      list ($deb,$cred)=split(',',$line_tva['tva_poste']);
      if ( $p_jrn_type == 'ACH' )
	$ctva=$deb;
      else
	$ctva=$cred;
      $sum_deb=getDbValue($p_cn,"select sum(j_montant) from (select distinct c_internal,j_montant ".
			    " from jrnx join centralized on (j_grpt=c_grp) ".
			   " where c_id < $min and j_poste = '$ctva' and j_debit='t' and ".
			  " c_jrn_def=$p_jrn_id and j_tech_per in ".
			  "    (select p_id from parm_periode where p_exercice='$Exercice') ) as w");

      $sum_cred=getDbValue($p_cn,"select sum(j_montant) from (select distinct c_internal,j_montant ".
			    " from jrnx join centralized on (j_grpt=c_grp) ".
			   " where c_id < $min and j_poste = '$ctva' and j_debit='f' and ".
			  " c_jrn_def=$p_jrn_id and j_tech_per in ".
			  "    (select p_id from parm_periode where p_exercice='$Exercice') ) as w");


      $ix=$line_tva['tva_label'];
      $arap[$ix]=($p_jrn_type=='ACH')?$sum_deb-$sum_cred:$sum_cred-$sum_deb;
    }
  // Previous period
  $previous=getDbValue($p_cn,"select max(p_id) from parm_periode where ".
		       "p_end < (select p_end from parm_periode where p_id=$p_from) ".
		       " and p_start <= (select p_start from parm_periode where p_id=$p_from)");

  $j=new Acc_Ledger($p_cn,$p_jrn_id);
  $a=$j->get_rowSimple($previous,$previous,$cent='on');
  $total_tvac=0.0;
  $total_htva=0.0;
  foreach ($a as $line) {
    $total_tvac+=$line['TVAC'];
    $total_htva+=$line['HTVA'];
  }
  return array($total_tvac,$total_htva);
}
/*!
 * \brief  Get the amount on each page
 *
 * \param $p_cn
 * \param $p_jrnx_id jrnx.j_id
 * \param $p_jrn_id jr_def_id
 * \param $which LAST or FIRST
 * \param  $p_type valeur JRN GL-CENTRAL GL-NOCENTRAL
 * \return array sum (deb) sum(cred)
 *
 */ 
function get_rappel($p_cn,$p_jrnx_id,$p_jrn_id,$p_exercice,$which,$p_type,$p_central) 
{
  include_once("preference.php");

  if ( $which == LAST) 
    $cmp="<="; 
  else
    $cmp="<";

  if ( $p_type == 1 ) {
    // Vue filtree => Journaux
    if ( $p_central == 0 ) { // Vue non centralisée
	  return array(0,0);
    } // p_central == 0

    //     Vue filtree => Journaux & Jrn centralisé 
    if ( $p_central == 1 ) {
      $c_line=CountSql($p_cn,"select * from centralized left join parm_periode on c_periode=p_id ".
		       " where c_jrn_def=$p_jrn_id and  p_exercice='".$p_exercice."'".
		       " and c_order $cmp $p_jrnx_id ");
      
      if ($c_line == 0 ) { return array (0,0); }
      $sql="select sum(c_montant) as tot_amount ".
	" from centralized ".
	" left join parm_periode on c_periode=p_id ".
	" inner join jrn on jr_grpt_id=c_grp ".
	" where c_jrn_def=$p_jrn_id and ".
	" p_exercice='".$p_exercice."'".
	" and c_order $cmp $p_jrnx_id " ;
      $Res=ExecSql($p_cn,$sql." and c_debit='t' ");
      if ( pg_NumRows($Res) == 0 ) 
	$deb=0;
      else {
	$line=pg_fetch_array($Res,0);
	$deb=$line['tot_amount'];
      }
      
      $Res=ExecSql($p_cn,$sql." and c_debit='f' ");
      if ( pg_NumRows($Res) == 0 ) 
	$cred=0;
      else {
	
	$line=pg_fetch_array($Res,0);
	$cred=$line['tot_amount'];
      }
      echo_debug('impress_inc.php',__LINE__,"MONTANT $deb,$cred");
      $a=array($deb,$cred);
      return $a;

    }
  } // Type = jrn
  if ($p_type==0 ) { // Si Grand Livre, prendre donnée centralisée{
    if ( $p_central == 1) {
      $c_line=CountSql($p_cn,"select * from centralized left join parm_periode on c_periode=p_id ".
		       "where p_exercice='".$p_exercice."'".
		       " and c_id $cmp $p_jrnx_id ");
      
      if ($c_line == 0 ) { return array (0,0); }
      $sql="select sum(c_montant) as tot_amount ".
	" from centralized ".
	" left join parm_periode on c_periode=p_id ".
	" where ".
	" p_exercice='".$p_exercice."'".
	" and c_order $cmp $p_jrnx_id " ;
      $Res=ExecSql($p_cn,$sql." and c_debit='t' ");
      if ( pg_NumRows($Res) == 0 ) 
	$deb=0;
      else {
	$line=pg_fetch_array($Res,0);
	$deb=$line['tot_amount'];
      }
      
      $Res=ExecSql($p_cn,$sql." and c_debit='f' ");
      if ( pg_NumRows($Res) == 0 ) 
	$cred=0;
      else {
	
	$line=pg_fetch_array($Res,0);
	$cred=$line['tot_amount'];
      }
      echo_debug('impress_inc.php',__LINE__,"MONTANT $deb,$cred");
      $a=array($deb,$cred);
      return $a;
    } // central == 1
    else // Donnée non centralisée => pas de rappel
      {
	if ($p_central== 0) { // Si Grand Livre, prendre donnée non centralisée{
	  return array(0,0);
	}
      }//else
  } // if type==0
  
}

/*! \brief   Purpose Parse a formula
 * 
 * \param $p_cn connexion
 * \param $p_label
 * \param $p_formula
 * \param $p_eval  true if we eval here otherwise the function returns
 *                 a string which must be evaluated
 * \param $p_type_date : type of the date 0 for accountant period or 1
 * for calendar
 * \return array
 *
 *
 */ 
function ParseFormula($p_cn,$p_label,$p_formula,$p_start,$p_end,$p_eval=true,$p_type_date=0) 
{

  echo_debug('impress_inc',__LINE__,'ParseFormula');
  if ( CheckFormula($p_formula) == false) {
    if ( $p_eval == true)
      return array('desc'=>$p_label.'  Erreur Formule!',
		'montant'=>0);
    else
      return $p_formula;
    
  }
  if ( $p_type_date == 0 )
	$cond=sql_filter_per($p_cn,$p_start,$p_end,'p_id','j_tech_per');
  else
	$cond="( j_date >= to_date('$p_start','DD.MM.YYYY') and j_date <= to_date('$p_end','DD.MM.YYYY'))";
echo_debug(__FILE__,__LINE__,"receiving $p_formula");
  include_once("class_acc_account_ledger.php");  
  while (ereg("(\[[0-9]*%*D*C*S*\])",$p_formula,$e) == true) {

    // remove the [ ] 
    $x=$e;
    $compute='all';
    if ( strpos($e[0],'D') != 0 )
      $compute='deb';
    if ( strpos($e[0],'C') != 0 )
      $compute='cred';
    if ( strpos($e[0],'S') != 0 )
      $compute='signed';
    echo_debug(__FILE__,__LINE__,' $e = '.$e[0]);
    echo_debug(__FILE__,__LINE__,' $e = '.$e[0]);
    $e[0]=str_replace ("[","",$e[0]);
    $e[0]=str_replace ("]","",$e[0]);
    $e[0]=str_replace ("D","",$e[0]);
    $e[0]=str_replace ("C","",$e[0]);
    $e[0]=str_replace ("S","",$e[0]);
    echo_debug('impress_inc',__LINE__,"p_formula is $p_formula");
    // If there is a FROM clause we must recompute 
    // the time cond

    if ($p_type_date == 0 && ereg ("FROM=[0-9]+\.[0-9]+", $p_formula,$afrom) == true ){
      // There is a FROM clause 
      // then we must modify the cond for the periode
      $from=str_replace("FROM=","",$afrom[0]);

      // Get the periode 
      /*! \note special value for the clause FROM=00.0000
       */
      if ( $from == '00.0000' ) {
		// retrieve the first month of this periode
		$User=new User($p_cn);
		$user_periode=$User->get_periode();
		$periode=getDbValue($p_cn,
				    "select p_exercice from parm_periode where p_id=$user_periode");
		$sql_per="select to_char(p_start,'MM.YYYY') as start from parm_periode where ".
		  " p_exercice='".$periode."' order by p_start";
		$ret=get_array($p_cn,$sql_per);
		$from=$ret[0]['start'];

      } 
      $from=getPeriodeFromMonth($p_cn,$from);

      // the clause from is something else
      //  Compute the cond
      $cond=sql_filter_per($p_cn,$from,$p_end,'p_id','j_tech_per');

    } 

    if ( strpos($p_formula,"FROM") != 0) {
      // We remove FROM out of the p_formula
      $p_formula=substr_replace($p_formula,"",strpos($p_formula,"FROM"));
    }

      // Get sum of account
    $P=new Acc_Account_Ledger($p_cn,$e[0]);
    echo_debug(__FILE__.":".__LINE__."  condition is $cond");

    $detail=$P->get_solde_detail($cond);


    if ( $compute=='all')
      $i=$detail['solde'];
    if ( $compute=='deb')
      $i=$detail['debit'];
    if ( $compute=='cred')
      $i=$detail['credit'];
    if ( $compute=='signed')
      $i=$detail['debit']-$detail['credit'];
echo_debug(__FILE__,__LINE__,"Resultat = $i ");
    $p_formula=str_replace($x[0],$i,$p_formula);
echo_debug(__FILE__,__LINE__,"p_formula = $p_formula ");

  }

  // $p_eval is true then we eval and returns result
  if ( $p_eval == true) {
    $p_formula="\$result=".$p_formula.";";
    echo_debug('impress_inc.php',__LINE__, $p_formula);

    eval("$p_formula");
    $aret=array('desc'=>$p_label,
		'montant'=>$result);
    return $aret;
  } else {
    // $p_eval is false we returns only the string
    return $p_formula;
  }
}
/*!
 * \brief  Parse the formula contained in the fo_formula 
 *           field and return a array containing all the columns
 * 
 * \param $p_cn connexion
 * \param $p_label
 * \param $p_formula
 * \return array
 *
 */ 
function GetFormulaValue($p_cn,$p_label,$p_formula,$p_cond) 
{
  $aret=array();
  $l_debit=0;
  $l_credit=0;
    // somme debit
  $Res=ExecSql($p_cn,"select sum (j_montant) as montant from
                      jrnx where $p_cond and j_debit='t' and j_poste::text like '$p_formula'");
  if (pg_NumRows($Res)==0){
    $l_debit=0;                   
  } else {
    $l=pg_fetch_array($Res,0);
    $l_debit=$l['montant'];
      }
  // somme credit
  $Res=ExecSql($p_cn,"select sum (j_montant) as montant from
                      jrnx where $p_cond and j_debit='f' and j_poste::text like '$p_formula'");
  if (pg_NumRows($Res)==0) {
    $l_credit=0;                   
  } else {
    $l=pg_fetch_array($Res,0);
    $l_credit=$l['montant'];
  }

  if ( $l_credit==$l_debit) {
    $aret=array('desc' => $p_label,
		'montant' => '0',
		'cmontant'=>0);
  }
  if ( $l_credit < $l_debit) {
    $l2=sprintf("% .2f",$l_debit-$l_credit);
    $aret=array('desc' => $p_label,
		'montant' => $l2,
		'cmontant'=>$l2);
  }
  if ( $l_credit>$l_debit) {
    $l2=sprintf("(% .2f)",$l_credit-$l_debit);
    $aret=array('desc' => $p_label,
		'montant' => $l2,
		'cmontant'=> $l_debit-$l_credit);

  }
  return $aret;
}
/*!
 * \brief  Check if formula doesn't contain
 *           php injection
 * \param string
 *
 * \return true if the formula is good otherwise false
 */
function CheckFormula($p_string) {
  // the ereg gets too complex if we want to add a test
  // for parenthesis, math function...
  // So I prefer remove them before testing
  $p_string=str_replace("round","",$p_string);
  $p_string=str_replace("abs","",$p_string);
  $p_string=str_replace("(","",$p_string);
  $p_string=str_replace(")","",$p_string);
  // for  the inline test like $a=(cond)?value:other;
  $p_string=str_replace("?","+",$p_string);
  $p_string=str_replace(":","+",$p_string);
  $p_string=str_replace(">=","+",$p_string);
  $p_string=str_replace("<=","+",$p_string);
  $p_string=str_replace(">","+",$p_string);
  $p_string=str_replace("<","+",$p_string);
  // eat Space 
  $p_string=str_replace(" ","",$p_string);
  // Remove D/C/S
  $p_string=str_replace("C","",$p_string);
  $p_string=str_replace("D","",$p_string);
  $p_string=str_replace("S","",$p_string);
  if ( ereg ("^(\\$[a-zA-Z]*[0-9]*=){0,1}((\[{0,1}[0-9]+\.*[0-9]*%{0,1}\]{0,1})+ *([+-\*/])* *(\[{0,1}[0-9]+\.*[0-9]*%{0,1}\]{0,1})*)*(([+-\*/])*\\$([a-zA-Z])+[0-9]*([+-\*/])*)* *( *FROM=[0-9][0-0].20[0-9][0-9]){0,1}$",$p_string) == false)
    {
      return false;
    } else {
      return true;
  }
}

?>