class_acc_bilan.php

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<?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: 4456 $ */

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

/*!\file
 * \brief this class handle the different bilan, from the table bilan
 *
 */
require_once("class_iselect.php");
require_once ('class_database.php');
require_once ('class_dossier.php');
require_once ('class_impress.php');
require_once ('header_print.php');
require_once ('class_acc_account_ledger.php');

/*!
 * \brief this class handle the different bilan, from the table bilan, parse the form and replace
 * in the template
 */
class Acc_Bilan
{
    var $db;                                            /*!< database connection */
    var $b_id;                                  /*!< id of the bilan (bilan.b_id) */
    var $from;                                  /*!< from periode */
    var $to;                                    /*!< end periode */

    function Acc_Bilan($p_cn)
    {
        $this->db=$p_cn;
    }
    /*!
     * \brief return a string with the form for selecting the periode and
     * the type of bilan
     * \param $p_filter_year filter on a year
     *
     * \return a string
     */
    function display_form($p_filter_year="")
    {
        $r="";
        $r.=dossier::hidden();
        $r.= '<TABLE>';

        $r.='<TR>';
// filter on the current year
        $w=new ISelect();
        $w->table=1;

        $periode_start=$this->db->make_array("select p_id,to_char(p_start,'DD-MM-YYYY') from parm_periode $p_filter_year order by p_start,p_end");

        $periode_end=$this->db->make_array("select p_id,to_char(p_end,'DD-MM-YYYY') from parm_periode $p_filter_year order by p_end,p_start");

        $w->label=_("Depuis");
        $w->value=$this->from;
        $w->selected=$this->from;
        $r.= td($w->input('from_periode',$periode_start));
        $w->label=_(" jusque ");
        $w->value=$this->to;
        $w->selected=$this->to;
        $r.= td($w->input('to_periode',$periode_end));
        $r.= "</TR>";
        $r.="<tr>";
        $mod=new ISelect();
        $mod->table=1;
        $mod->value=$this->db->make_array("select b_id, b_name from bilan order by b_name");
        $mod->label=_("Choix du bilan");
        $r.=td($mod->input('b_id'));
        $r.="</tr>";
        $r.= '</TABLE>';
        return $r;
    }
    /*!\brief check and warn if an accound has the wrong saldo
     * \param $p_message legend of the fieldset
     * \param $p_type type of the Acccount ACT actif, ACTINV...
     * \param $p_type the saldo must debit or credit
     */
    private function warning($p_message,$p_type,$p_deb)
    {
        $sql="select pcm_val,pcm_lib from tmp_pcmn where pcm_type='$p_type'";
        $res=$this->db->exec_sql($sql);
        if ( Database::num_row($res) ==0 )
            return;
        $count=0;
        $nRow=Database::num_row($res);

        $ret="";
        $obj=new Acc_Account_Ledger($this->db,0);
        for ($i=0;$i<$nRow;$i++)
        {

            $line=Database::fetch_array($res,$i);
            /* set the periode filter */
            $sql=sql_filter_per($this->db,$this->from,$this->to,'p_id','j_tech_per');
            $obj->id=$line['pcm_val'];

            $solde=$obj->get_solde_detail($sql);
            $solde_signed=$solde['debit']-$solde['credit'];

            if (
                ($solde_signed < 0 && $p_deb == 'D' ) ||
                ($solde_signed > 0 && $p_deb == 'C' )
            )
            {
                $ret.= '<li>Anomalie pour le compte '.$line['pcm_val'].
                       $line['pcm_lib'].
                       "  D: ".$solde['debit'].
                       "  C: ".$solde['credit']." diff ".$solde['solde'];
                $count++;
            }

        }

        echo '<fieldset>';
        echo '<legend>'.$p_message.'</legend>';
        if ( $count <> 0 )
        {
            echo '<ol>'.$ret.'</ol>';
            echo '<span class="error">Nbres anomalies : '.$count.'</span>';
        }
        else
            echo " Pas d'anomalie d&eacute;tect&eacute;e";
        echo '</fieldset>';


    }
    /*!\brief verify that the saldo is good for the type of account */
    function verify()
    {
                bcscale(2);
        echo '<h3> Comptes normaux </h3>';
        $this->warning('Actif avec un solde crediteur','ACT','D');
        $this->warning('Passif avec un solde debiteur','PAS','C');
        $this->warning('Compte de resultat : Charge avec un solde crediteur','CHA','D');
        $this->warning('Compte de resultat : produit avec un solde debiteur','PRO','C');
        echo '<hr>';
        echo '<h3> Comptes inverses </h3>';
        $this->warning('Compte inverse : actif avec un solde debiteur','ACTINV','C');
        $this->warning('Compte inverse : passif avec un solde crediteur','PASINV','D');
        $this->warning('Compte inverse : Charge avec un solde debiteur','CHAINV','C');
        $this->warning('Compte inverse : produit avec un solde crediteur','PROINV','D');
        echo '<h3>Solde </h3>';
        /* set the periode filter */
        $sql_periode=sql_filter_per($this->db,$this->from,$this->to,'p_id','j_tech_per');
        /* debit Actif */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='t' and (pcm_type='ACT' or pcm_type='ACTINV')";
        $sql.="and $sql_periode";
        $debit_actif=$this->db->get_value($sql);

        /* Credit Actif */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='f' and (pcm_type='ACT' or pcm_type='ACTINV')";

        $sql.="and $sql_periode";

        $credit_actif=$this->db->get_value($sql);
        $total_actif=abs(bcsub($debit_actif,$credit_actif));
        echo '<table >';
        echo tr(td( 'Total actif ').td($total_actif,'style="text-align:right"'));

        /* debit passif */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='t' and (pcm_type='PAS' or pcm_type='PASINV') ";
        $sql.="and $sql_periode";

        $debit_passif=$this->db->get_value($sql);

        /* Credit Actif */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='f' and (pcm_type='PAS' or pcm_type='PASINV') ";
        $sql.="and $sql_periode";
        $credit_passif=$this->db->get_value($sql);
        $total_passif=abs(bcsub($debit_passif,$credit_passif));

        /* diff actif / passif */
        echo tr(td('Total passif ').td($total_passif,'style="text-align:right"'));
        if ( $total_actif != $total_passif )
        {
            $diff=bcsub($total_actif,$total_passif);
            echo tr(td(' Difference Actif - Passif ').td($diff,'style="text-align:right"'),'style="font-weight:bolder"');
        }

        /* debit charge */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='t' and (pcm_type='CHA' or pcm_type='CHAINV')";
        $sql.="and $sql_periode";
        $debit_charge=$this->db->get_value($sql);

        /* Credit charge */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='f' and (pcm_type='CHA' or pcm_type='CHAINV')";
        $sql.="and $sql_periode";
        $credit_charge=$this->db->get_value($sql);
        $total_charge=abs(bcsub($debit_charge,$credit_charge));
        echo tr(td('Total charge ').td($total_charge,'style="text-align:right"'));


        /* debit prod */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='t' and (pcm_type='PRO' or pcm_type='PROINV')";
        $sql.="and $sql_periode";
        $debit_pro=$this->db->get_value($sql);

        /* Credit prod */
        $sql="select sum(j_montant) from jrnx join tmp_pcmn on (j_poste=pcm_val)".
             " where j_debit='f' and (pcm_type='PRO' or pcm_type='PROINV')";
        $sql.="and $sql_periode";
        $credit_pro=$this->db->get_value($sql);
        $total_pro=abs(bcsub($debit_pro,$credit_pro));
        echo tr(td('Total produit ').td($total_pro,'style="text-align:right"'));

        $diff=bcsub($total_pro,$total_charge);

        echo tr( td("Difference Produit - Charge",'style="padding-right:20px"').td($diff,'style="text-align:right"'),'style="font-weight:bolder"');
        echo '</table>';
    }
    /*!
     * \brief get data from the $_GET
     *
     */
    function get_request_get()
    {
        $this->b_id=(isset($_GET['b_id']))?$_GET['b_id']:"";
        $this->from=( isset ($_GET['from_periode']))?$_GET['from_periode']:-1;
        $this->to=( isset ($_GET['to_periode']))?$_GET['to_periode']:-1;
    }
    /*!\brief load from the database the document data  */
    function load()
    {
        try
        {
            if ( $this->b_id=="")
                throw new Exception("le formulaire id n'est pas donnee");

            $sql="select b_name,b_file_template,b_file_form,lower(b_type) as b_type from bilan where".
                 " b_id = ".$this->b_id;
            $res=$this->db->exec_sql($sql);

            if ( Database::num_row($res)==0)
                throw new Exception ('Aucun enregistrement trouve');
            $array=Database::fetch_array($res,0);
            foreach ($array as $name=>$value)
            $this->$name=$value;

        }
        catch(Exception $Ex)
        {
            echo $Ex->getMessage();
            exit();
        }
    }
    /*!\brief open the file of the form */
    /*\return an handle to this file */
    function file_open_form()
    {
        $form=fopen($this->b_file_form,'r');
        if ( $form == false)
        {
            echo 'Cannot Open';
            exit();
        }
        return $form;
    }
    /*!\brief open the file with the template */
    /*\return an handle to this file */
    function file_open_template()
    {
        $templ=fopen($this->b_file_template,'r');
        if ( $templ == false)
        {
            echo 'Cannot Open';
            exit();
        }
        return $templ;

    }
    /*!
     * \brief Compute all the formula
     * \param $p_handle the handle to the file
     * \param
     * \param
     *
     *
     * \return
     */
    function compute_formula($p_handle)
    {
        while (! feof ($p_handle))
        {
            $buffer=trim(fgets($p_handle));
            // $a=(Impress::check_formula($buffer)  == true)?"$buffer ok<br>":'<font color="red">'.'Pas ok '.$buffer."</font><br>";
            // echo $a;
            // blank line are skipped
            if (strlen(trim($buffer))==0)
                continue;
            // skip comment
            if ( strpos($buffer,'#') === true )
                continue;
            // buffer contains a formula A$=....
            // We need to eval it
            $a=Impress::parse_formula($this->db,"$buffer",$buffer,$this->from,$this->to,false);
            $b=str_replace("$","\$this->",$a);
            if ( eval("$b;") === false )
                echo_debug(__FILE__,__LINE__,"Code failed with $b");


        }// end read form line per line
    }
    /*!\brief generate the ods document
    * \param the handle to the template file
    * \return the xml
    *@note
    * Sur une seule ligne il y a plusieurs données, donc il y a plusieurs boucles, pour les autres documents
    * cela devrait être fait aussi, actuellement ces documents, n'acceptent qu'une formule par ligne.
    *@note
    * Pas de header dans les entêtes car n'est pas compris dans le document qu'on utilise
    */
    function generate_odt()
    {
        // create a temp directory in /tmp to unpack file and to parse it
        $dirname=tempnam($_ENV['TMP'],'bilan_');


        unlink($dirname);
        mkdir ($dirname);
        chdir($dirname);

        $file_base=dirname($_SERVER['SCRIPT_FILENAME']).DIRECTORY_SEPARATOR.$this->b_file_template;
        $work_file=basename($file_base);
        if ( copy ($file_base,$work_file) == false )
        {
            echo "Je ne peux pas ouvrir ce fichier ";
            exit();
        }
        ob_start();
        /* unzip the document */
        $zip = new Zip_Extended;
        if ($zip->open($work_file) === TRUE)
          {
            $zip->extractTo($dirname.DIRECTORY_SEPARATOR);
            $zip->close();
          } else
          {
            echo __FILE__.":".__LINE__."cannot unzip model ".$filename;
          }

        ob_end_clean();
        unlink($work_file);
        // remove the zip file
        $p_file=fopen('content.xml','r');

        if ( $p_file == false)
        {
            echo 'Cannot Open';
            exit();
        }

        $r="";
        $regex="/&lt;&lt;\\$[A-Z]*[0-9]*&gt;&gt;/";
        $lt="&lt;";
        $gt="&gt;";
        $header_txt=header_txt($this->db);

        while ( !feof($p_file) )
        {
            $line_rtf=fgets($p_file);

            /*
             * replace the header tag, doesn't work if inside header
             */
            $line_rtf=preg_replace('/&lt;&lt;header&gt;&gt;/',$header_txt,$line_rtf);


            // the line contains the magic <<
            $tmp="";


            while (preg_match_all($regex,$line_rtf,$f2) > 0 )
              {
                // the f2 array contains all the magic << in the line
                foreach ($f2 as $f2_array)
                  {
                    foreach ($f2_array as $f2_str)
                      {
                        $to_remove=$f2_str;
                        $f2_value=str_replace("&lt;","",$f2_str);
                        $f2_value=str_replace("&gt;","",$f2_value);
                        $f2_value=str_replace("$","",$f2_value);



                        // check for missing variables and labels (N vars)
                        if( ! isset($this->$f2_value))
                          {

                            $a = "!!".$f2_value."!!";
                            if( substr($f2_value, 0, 1) == "N" )
                              {
                                $ret = $this->db->get_array("SELECT pcm_lib AS acct_name FROM tmp_pcmn WHERE pcm_val::text LIKE ".
                                                            " substr($1, 2)||'%' ORDER BY pcm_val ASC LIMIT 1",array($f2_value));
                                if($ret[0]['acct_name'])
                                  {
                                    $a = $ret[0]['acct_name'];
                                    $a=str_replace('<','&lt;',$a);
                                    $a=str_replace('>','&gt;',$a);
                                  }
                              }
                          }
                        else
                          {
                            $a=$this->$f2_value;
                          }
                        if ( $a=='-0' ) $a=0;

                        /*  allow numeric cel in ODT for the formatting and formula */
                        if ( is_numeric($a) )
                          {
                            $searched='office:value-type="string"><text:p>'.$f2_str;
                            $replaced='office:value-type="float" office:value="'.$a.'"><text:p>'.$f2_str;
                            $line_rtf=str_replace($searched, $replaced, $line_rtf);
                          }


                        $line_rtf=str_replace($f2_str,$a,$line_rtf);

                      }// foreach end
                  } // foreach
              } // preg_match_all
            $r.=$line_rtf;

        }// odt file is read

        return $r;

    }

    /*!
     * \brief generate the plain  file (rtf,txt, or html)
     * \param the handle to the template file
     */
    function generate_plain($p_file)
    {
        $r="";
        if ( $this->b_type=='html')
        {
            $lt='&lt;';
            $gt='&gt;';
            $pattern='/&lt;&lt;header&gt;&gt;/';
        }
        else
        {
            $lt='<';
            $gt='>';
            $pattern='/<<header>>/';
        }

        $header_txt=header_txt($this->db);

        while ( !feof($p_file) )
        {
            $line_rtf=fgets($p_file);

            $line_rtf=preg_replace($pattern,$header_txt,$line_rtf);


            // the line contains the magic <<
            if (preg_match_all("/".$lt.$lt."\\$[a-zA-Z]*[0-9]*".$gt.$gt."/",$line_rtf,$f2) > 0)
            {
                // DEBUG
                //    echo $r.'<br>';
                // the f2 array contains all the magic << in the line
                foreach ($f2 as $f2_str)
                {
                    // DEBUG
                    // echo "single_f2 = $f2_str <br>";
                    // replace single_f2 by its value
                    $f2_value=str_replace($lt,"",$f2_str);
                    $f2_value=str_replace($gt,"",$f2_value);
                    $f2_value=str_replace("$","",$f2_value);
                    $f2_value=$f2_value[0];

                    // check for missing variables and labels (N vars)
                    if( ! isset($this->$f2_value))
                    {
                        $a = "!!".$f2_value."!!";
                        if( substr($f2_value, 0, 1) == "N" )
                        {
                            $ret = $this->db->get_array("SELECT pcm_lib AS acct_name FROM tmp_pcmn WHERE ".
                                                        " pcm_val::text LIKE substr($1, 2)||'%' ORDER BY pcm_val ASC LIMIT 1",
                                                        array($f2_value));
                            if($ret[0]['acct_name'])
                            {
                                /* for rtf we have the string to put it in latin1 */
                                $a = utf8_decode($ret[0]['acct_name']);
                            }
                        }
                    }
                    else
                    {
                        // DEBUG
                        //echo "f2_value=$f2_value";
                        //                $a=${"$f2_value"};
                        $a=$this->$f2_value;
                    }
                    // DEBUG      echo " a = $a";
                    if ( $a=='-0' ) $a=0;
                    $line_rtf=str_replace($f2_str,$a,$line_rtf);

                }// foreach end
            }
            $r.=$line_rtf;

        }// rtf file is read
        // DEBUG
        //  fwrite($out,$r);

        return $r;




    }
    /*!\brief generate the document and send it to the browser
     */
    function generate()
    {
        // Load the data
        $this->load();
        // Open the files
        $form=$this->file_open_form();

        // Compute all the formula and add the value to this
        $this->compute_formula($form);
        fclose($form);
        // open the form
        $templ=$this->file_open_template();
        switch ($this->b_type)
        {
        case 'rtf':
            $result=$this->generate_plain($templ);
            $this->send($result);
            break;
        case 'txt':
            $result=$this->generate_plain($templ);
            $this->send($result);
        case 'html':
            $result=$this->generate_plain($templ);
            $this->send($result);

            break;
        case 'odt':
        case 'ods':
            $result=$this->generate_odt($templ);
            $this->send($result);
            break;

        }
        fclose($templ);
    }
    /*!\brief send the result of generate plain to the browser
     * \param $p_result is the string returned by generate_...
     */
    function send($p_result)
    {
        switch ($this->b_type)
        {
        case 'rtf':
            // A rtf file is generated
            header('Content-type: application/rtf');
            header('Content-Disposition: attachment; filename="'.$this->b_name.'.rtf"');
            echo $p_result;
            break;

        case 'txt':
            // A txt file is generated
            header('Content-type: application/txt');
            header('Content-Disposition: attachment; filename="'.$this->b_name.'.txt"');

            echo $p_result;
            break;
        case 'html':
            // A txt file is generated
            header('Content-type: application/html');
            header('Content-Disposition: attachment; filename="'.$this->b_name.'.html"');

            echo $p_result;
            break;
        case 'odt':
        case 'ods':
            /*   header("Pragma: public");
            header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
            header("Cache-Control: must-revalidate");
            if ( $this->b_type == 'odt' )
            header('Content-type: application/vnd.oasis.opendocument.text');
            if ( $this->b_type == 'ods' )
            header('Content-type: application/vnd.oasis.opendocument.spreadsheet');
            header('Content-Disposition: attachment;filename="'.$this->b_name.'.odt"',FALSE);
            header("Accept-Ranges: bytes");
            */
            ob_start();
            // save the file in a temp folder
            // create a temp directory in /tmp to unpack file and to parse it
            $dirname=tempnam($_SERVER['DOCUMENT_ROOT'].DIRECTORY_SEPARATOR.'tmp','bilan_');


            unlink($dirname);
            mkdir ($dirname);
            chdir($dirname);
            // create a temp directory in /tmp to unpack file and to parse it
            $file_base=dirname($_SERVER['SCRIPT_FILENAME']).DIRECTORY_SEPARATOR.$this->b_file_template;
            $work_file=basename($file_base);
            if ( copy ($file_base,$work_file) == false )
            {
                echo "Je ne peux pas ouvrir ce fichier ";
                exit();
            }
            /*
             * unzip the document
             */
            ob_start();
            $zip = new Zip_Extended;
            if ($zip->open($work_file) === TRUE)
              {
                $zip->extractTo($dirname.DIRECTORY_SEPARATOR);
                $zip->close();
              }
            else
              {
                echo __FILE__.":".__LINE__."cannot unzip model ".$filename;
              }

            // Remove the file we do  not need anymore
            unlink ($work_file);


            // replace the file
            $p_file=fopen($dirname.DIRECTORY_SEPARATOR.'content.xml','wb');
            if ( $p_file == false )
            {
                exit('Je ne peux pas ouvrir content.xml');

            }
            $a=fwrite($p_file,$p_result);
            if ( $a==false)
            {
                echo "Je ne peux pas ecrire dans content.xml";
                exit();
            }
            // repack
            $zip = new Zip_Extended;
            $res = $zip->open($this->b_name.".".$this->b_type, ZipArchive::CREATE);
            if($res !== TRUE)
              {
                echo __FILE__.":".__LINE__."cannot recreate zip";
                exit;
              }
            $zip->add_recurse_folder($dirname.DIRECTORY_SEPARATOR);
            $zip->close();

            ob_end_clean();
            fclose($p_file);
            $fdoc=fopen($dirname.DIRECTORY_SEPARATOR.$this->b_name.'.'.$this->b_type,'r');
            if ( $fdoc == false )
            {
                exit('Je ne peux pas ouvrir ce document');
            }
            $buffer=fread ($fdoc,filesize($dirname.DIRECTORY_SEPARATOR.$this->b_name.'.'.$this->b_type));
            echo $buffer;

            break;
            // and send
        }

    }
    static function test_me()
    {

        if ( isset($_GET['result']))
        {
            ob_start();
            $cn=new Database(dossier::id());
            $a=new Acc_Bilan($cn);
            $a->get_request_get();

            $a->load();
            $form=$a->file_open_form();
            $a->compute_formula($form);
            fclose($form);
            // open the form
            $templ=$a->file_open_template();
            $r=$a->generate_odt($templ);
            fclose($templ);
            ob_end_clean();

            $a->send($r);
        }
        else
        {
            $cn=new Database(dossier::id());
            $a=new Acc_Bilan($cn);
            $a->get_request_get();

            echo '<form method="get">';
            echo $a->display_form();
            echo HtmlInput::hidden('test_select',$_GET['test_select']).dossier::hidden();
            echo HtmlInput::submit('result','Sauve');
            echo '</form>';
        }
    }
}