<?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
/*! \file
 * \brief common utilities for a lot of procedure, classe
 */

include_once("constant.php");
require_once('class_database.php');
require_once('class_periode.php');

/*!\brief to protect again bad characters which can lead to a cross scripting attack
	the string to be diplayed must be protected
*/
function h($p_string)
{
    return htmlspecialchars($p_string);
}
function span($p_string,$p_extra='')
{
    return '<span '.$p_extra.'>'.$p_string.'</span>';
}
function hi($p_string)
{
    return '<i>'.htmlspecialchars($p_string).'</i>';
}
function hb($p_string)
{
    return '<b>'.htmlspecialchars($p_string).'</b>';
}
function th($p_string,$p_extra='')
{
    return '<th  '.$p_extra.'>'.htmlspecialchars($p_string).'</th>';
}
function h2info($p_string)
{
    return '<h2 class="info">'.htmlspecialchars($p_string).'</h2>';
}
function h2($p_string,$p_class)
{
    return '<h2 '.$p_class.'>'.htmlspecialchars($p_string).'</h2>';
}

/*!\brief surround the string with td
*\param $p_string string to surround by TD
*\param $p_extra extra info (class, style, javascript...)
* \return string surrounded by td
*/
function td($p_string='',$p_extra='')
{
    return '<td  '.$p_extra.'>'.$p_string.'</td>';
}
function tr($p_string,$p_extra='')
{
    return '<tr  '.$p_extra.'>'.$p_string.'</tr>';
}
/*!\brief escape correctly php string to javascript */
function j($p_string)
{
    $a=preg_replace("/\r?\n/", "\\n", addslashes($p_string));
    $a=str_replace("'",'\'',$a);
    return $a;
}
/**
 * format the number for the CSV export
 *@param $p_number number
 */
function nb($p_number)
{
    $r=sprintf('%.2f',$p_number);
    $r=str_replace('.',',',$r);

  return $r;
}
/**
 * format the number with a sep. for the thousand
 *@param $p_number number
 */
function nbm($p_number)
{

  if (trim($p_number)=='') return '';
  if ( $p_number==0) return 0;
  $a=doubleval($p_number);

  $r=number_format($a,2,",",".");
  if (trim($r)=='') {
    var_dump($r);var_dump($p_number);var_dump($a);exit();
  }

  return $r;
}
/*!
 * \brief  log error into the /tmp/phpcompta_error.log it doesn't work on windows
 *
 * \param p_log message
 * \param p_line line number
 * \param p_message is the message
 *
 * \return nothing
 *
 */
function echo_error      ($p_log, $p_line="", $p_message="")
{
    echo "ERREUR :".$p_log." ".$p_line." ".$p_message;
    $fdebug=fopen($_ENV['TMP'].DIRECTORY_SEPARATOR."phpcompta_error.log","a+");
    if ($fdebug != null )
    {
        fwrite($fdebug,date("Ymd H:i:s").$p_log." ".$p_line." ".$p_message."\n");
        fclose($fdebug);
    }
}

/*!
 * \brief  Compare 2 dates
 * \param p_date
 * \param p_date_oth
 *
 * \return
 *      - == 0 les dates sont identiques
 *      - > 0 date1 > date2
 *      - < 0 date1 < date2
 */
function cmpDate ($p_date,$p_date_oth)
{
    date_default_timezone_set ('Europe/Brussels');

    $l_date=isDate($p_date);
    $l2_date=isDate($p_date_oth);
    if ($l_date == null || $l2_date == null )
    {
        throw new Exception ("erreur date [$p_date] [$p_date_oth]");
    }
    $l_adate=explode(".",$l_date);
    $l2_adate=explode(".",$l2_date);
    $l_mkdate=mktime(0,0,0,$l_adate[1],$l_adate[0],$l_adate[2]);
    $l2_mkdate=mktime(0,0,0,$l2_adate[1],$l2_adate[0],$l2_adate[2]);
    // si $p_date > $p_date_oth return > 0
    return $l_mkdate-$l2_mkdate;
}
/*!
 * \brief check if the argument is a number
 *
 * \param $p_int number to test
 *
 * \return
 *        - 1 it's a number
 *        - 0 it is not
 */
function isNumber(&$p_int)
{
    if ( strlen (trim($p_int)) == 0 ) return 0;
    if ( is_numeric($p_int) === true)
        return 1;
    else
        return 0;


}

/*!
 * \brief Verifie qu'une date est bien formaté
 *           en d.m.y et est valable
 * \param $p_date
 *
 * \return
 *	- null si la date est invalide ou malformaté
 *      - $p_date si tout est bon
 *
 */

function isDate ( $p_date)
{
    if ( strlen (trim($p_date)) == 0 ) return null;
    if ( preg_match("/^[0-9]{1,2}\.[0-9]{1,2}\.20[0-9]{2}$/",$p_date) == 0 )
    {

        return null;
    }
    else
    {
        $l_date=explode(".",$p_date);

        if ( sizeof ($l_date) != 3 )
            return null;

        if ( $l_date[2] > 2020 )
        {
            return null;
        }

        if ( checkdate ($l_date[1],$l_date[0],$l_date[2]) == false)
        {
            return null;
        }

    }// !ereg
    return $p_date;
}
/*!
 * \brief Default page header for each page
 *
 * \param p_theme default theme
 * \param $p_script
 * \param $p_script2  another js script
 *
 * \return none
 */
function html_page_start($p_theme="",$p_script="",$p_script2="")
{

    $cn=new Database();
    if ( $p_theme != "")
    {
        $Res=$cn->exec_sql("select the_filestyle from theme
                           where the_name='".$p_theme."'");
        if (Database::num_row($Res)==0)
            $style="style.css";
        else
        {
            $s=Database::fetch_array($Res,0);
            $style=$s['the_filestyle'];
        }
    }
    else
    {
        $style="style.css";
    } // end if
    echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 FINAL//EN">';
    echo "<HTML>";

    if ( $p_script2 != "" )
        $p_script2='<script src="'.$p_script2.'" type="text/javascript"></script>';

    echo "<HEAD>
    <TITLE>PhpCompta</TITLE>
    <META http-equiv=\"Content-Type\" content=\"text/html; charset=UTF8\">
    <LINK REL=\"stylesheet\" type=\"text/css\" href=\"$style\" media=\"screen\">
    <link rel=\"stylesheet\" type=\"text/css\" href=\"style-print.css\" media=\"print\">".
    $p_script2. "
    ";
    echo '<script language="javascript" src="js/calendar.js"></script>
    <script type="text/javascript" src="js/lang/calendar-en.js"></script>
    <script language="javascript" src="js/calendar-setup.js"></script>
    <LINK REL="stylesheet" type="text/css" href="calendar-blue.css" media="screen">
    </HEAD>
    ';

    echo "<BODY $p_script>";
// language
    if ( isset($_SESSION['g_lang']))
    {
        set_language();
    }

    /* If we are on the user_login page */
    if ( basename($_SERVER['PHP_SELF']) == 'user_login.php')
    {
        return;
    }

}
/*!
 * \brief Minimal  page header for each page, used for small popup window
 *
 * \param p_theme default theme
 * \param $p_script
 * \param $p_script2  another js script
 *
 * \return none
 */
function html_min_page_start($p_theme="",$p_script="",$p_script2="")
{

    $cn=new Database();
    if ( $p_theme != "")
    {
        $Res=$cn->exec_sql("select the_filestyle from theme
                           where the_name='".$p_theme."'");
        if (Database::num_row($Res)==0)
            $style="style.css";
        else
        {
            $s=Database::fetch_array($Res,0);
            $style=$s['the_filestyle'];
        }
    }
    else
    {
        $style="style.css";
    } // end if
    echo '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 FINAL//EN">';
    echo "<HTML>";


    if ( $p_script2 != "" )
        $p_script2='<script src="'.$p_script2.'" type="text/javascript"></script>';

    echo "<HEAD>
    <TITLE>PhpCompta</TITLE>
    <META http-equiv=\"Content-Type\" content=\"text/html; charset=UTF8\">
    <LINK REL=\"stylesheet\" type=\"text/css\" href=\"$style\" media=\"screen\">
    <link rel=\"stylesheet\" type=\"text/css\" href=\"style-print.css\" media=\"print\">".
    $p_script2. "
    <script src=\"js/scripts.js\" type=\"text/javascript\"></script>";
    echo '</HEAD>
    ';

    echo "<BODY $p_script>";
    /* If we are on the user_login page */
    if ( basename($_SERVER['PHP_SELF']) == 'user_login.php')
    {
        return;
    }

}

/*!
 * \brief end tag
 *
 */
function html_page_stop()
{
    echo "</BODY>";
    echo "</HTML>";
}
/*!
 * \brief Echo no access and stop
 *
 * \return nothing
 */


function NoAccess($js=1)
{
    if ( $js == 1 )
    {
        echo "<script>";
        echo "alert ('"._('Cette action ne vous est pas autorisée Contactez votre responsable')."');";
        echo "</script>";
    }
    else
    {
        echo '<div class="u_redcontent">';
        echo '<h2 class="error">'._(' Cette action ne vous est pas autorisée Contactez votre responsable').'</h2>';
        echo '</div>';
    }
    exit -1;
}
/*!
 * \brief Fix the problem with the quote char for the database
 *
 * \param $p_string
 * \return a string which won't let strange char for the database
 */
function FormatString($p_string)
{
    $p_string=trim($p_string);
    if (strlen($p_string) == 0 ) return null;
    $p_string=str_replace("\'","'",$p_string);
    $p_string=str_replace("''","'",$p_string);
    $p_string=str_replace("'","\'",$p_string);
    return $p_string;
}

/*!
/* \brief store the string which print
 *           the content of p_array in a table
 *           used to display the menu
 * \param  $p_array array like ( 0=>HREF reference, 1=>visible item (name),2=>Help(opt),
 * 3=>selected (opt) 4=>javascript (normally a onclick event) (opt)
 * \param $p_dir direction of the menu (H Horizontal  V vertical)
 * \param $class CSS for TD tag
 * \param $class_ref CSS for the A tag
 * \param $default selected item
 * \param $p_extra extra code for the table tag (CSS or javascript)
 *
/* \return : string */
function ShowItem($p_array,$p_dir='V',$class="mtitle",$class_ref="mtitle",$default="",$p_extra="")
{

    $ret="<TABLE $p_extra>";
    // direction Vertical
    if ( $p_dir == 'V')
    {
        foreach ($p_array as $all=>$href)
        {
            $javascript=(isset ($href[4]))?$href[4]:"";
            $title="";
            $set="XX";
            if ( isset ($href[2] ))
                $title=$href[2];
            if ( isset($href[3] ))
                $set=$href[3];

            if ( $set == $default )
                $ret.='<TR><TD CLASS="selectedcell"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></TD></TR>';
            else
                $ret.='<TR><TD CLASS="'.$class.'"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></TD></TR>';
        }
    }
    //direction Horizontal
    else if ( $p_dir == 'H' )
    {

        $ret.="<TR>";
        foreach ($p_array as $all=>$href)
        {
            $title="";
            $javascript=(isset ($href[4]))?$href[4]:"";

            $set="A";
            if ( isset ($href[2] ))
                $title=$href[2];

            if ( isset($href[3]))
                $set=$href[3];

            if ( $default=== $href[0]||$set===$default )
            {
                $ret.='<TD CLASS="selectedcell"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></TD>';
            }
            else
            {
                $ret.='<TD CLASS="'.$class.'"><A class="'.$class_ref.'" HREF="'.$href[0].'" title="'.$title.'" '.$javascript.'>'.$href[1].'</A></TD>';
            }

        }
        $ret.="</TR>";
    }
    $ret.="</TABLE>";
    return $ret;
}
/*!
 * \brief warns
 *
 * \param p_string error message
 * gen :
 *	- none
 * \return:
 *      - none
 */
function echo_warning($p_string)
{
    echo '<H2 class="error">'.$p_string."</H2>";
}
/*!
 * \brief Show the periode which found thanks its id
 *
 *
 * \param  $p_cn database connection
 * \param p_id
 * \param pos Start or end
 *
 * \return: string
 */
function getPeriodeName($p_cn,$p_id,$pos='p_start')
{
    if ( $pos != 'p_start' and
            $pos != 'p_end')
        echo_error('ac_common.php'."-".__LINE__.'  UNDEFINED PERIODE');
    $ret=$p_cn->get_value("select to_char($pos,'Mon YYYY') as t from parm_periode where p_id=$p_id");
    return $ret;
}


/*!
 * \brief Return the period corresponding to the
 *           date
 *
 * \param p_cn database connection
 * \param p_date the month + year 'MM.YYYY'
 *
 * \return:
 *       parm_periode.p_id
 */
function getPeriodeFromMonth($p_cn,$p_date)
{
    $R=$p_cn->get_value("select p_id from parm_periode where
                        to_char(p_start,'DD.MM.YYYY') = '01.$p_date'");
    if ( $R == "" )
        return -1;
    return $R;
}
/*!\brief Decode the html for the widegt richtext and remove newline
 *\param $p_html string to decode
 * \return the html code without new line
 */

function Decode($p_html)
{
    $p_html=str_replace('%0D','',$p_html);
    $p_html=str_replace('%0A','',$p_html);
    $p_html=urldecode($p_html);
    return $p_html;
}
/*!\brief Create the condition to filter on the j_tech_per
 *        thanks a from and to date.
 * \param $p_cn database conx
 * \param $p_from start date (date)
 * \param $p_to  end date (date)
 * \param $p_form if the p_from and p_to are date or p_id
 * \param $p_field column name
 * \return a string containg the query
 */
function sql_filter_per($p_cn,$p_from,$p_to,$p_form='p_id',$p_field='jr_tech_per')
{

    if ( $p_form != 'p_id' &&
            $p_form != 'date' )
    {
        echo_error (__FILE__,__LINE__,'Mauvais parametres ');
        exit(-1);
    }
    if ( $p_form == 'p_id' )
    {
        // retrieve the date
        $pPeriode=new Periode($p_cn);
        $a_start=$pPeriode->get_date_limit($p_from);
        $a_end=$pPeriode->get_date_limit($p_to);
        if ( $a_start == null || $a_end == null  )
            throw new Exception(__FILE__.__LINE__.'Attention periode '.
                                ' non trouvee periode p_from='.$p_from.
                                'p_to_periode = '.$p_to);


        $p_from=$a_start['p_start'];
        $p_to=$a_end['p_end'];
    }
    if ( $p_from == $p_to )
        $periode=" $p_field = (select p_id from parm_periode ".
                 " where ".
                 " p_start = to_date('$p_from','DD.MM.YYYY')) ";
    else
        $periode = "$p_field in (select p_id from parm_periode ".
                   " where p_start >= to_date('$p_from','DD.MM.YYYY') and p_end <= to_date('$p_to','DD.MM.YYYY')) ";
    return $periode;
}

/*!\brief alert in javascript
 *\param $p_msg is the message
 *\param $buffer if false, echo directly and execute the javascript, if $buffer is true, the alert javascript
 * is in the return string
 *\return string with alert javascript if $buffer is true
 */
function alert($p_msg,$buffer=false)
{
    $r= '<script language="javascript">';
    $r.= 'alert(\''.j($p_msg).'\')';
    $r.= '</script>';

    if ($buffer) return $r;
    echo $r;

}
/**
 *@brief set the lang thanks the _SESSION['g_lang'] var.
 */
function set_language()
{
    $dir="";
    // set differently the language depending of the operating system
    if( what_os() == 1 )
    {
        $dir=setlocale(LC_MESSAGES,$_SESSION['g_lang']);
        if ( $dir == "")
        {
            $g_lang='fr_FR.utf8';
            $dir=setlocale(LC_MESSAGES,$g_lang);
            echo '<span class="notice">'.$_SESSION['g_lang'].' domaine non supporté</h2>';
        }
        bindtextdomain('messages','./lang');
        textdomain('messages');
        bind_textdomain_codeset('messages','UTF8');

        return;
    }
    // for windows
    putenv('LANG='.$_SESSION['g_lang']);
    $dir=setlocale(LC_ALL,$_SESSION['g_lang']);
    bindtextdomain('messages','.\\lang');
    textdomain('messages');
    bind_textdomain_codeset('messages','UTF8');
}
/**
 *@brief try to determine on what os you are running the pĥpcompte
 *server
 *@return 
 *  0 it is a windows
 *  1 it is a Unix like
 */
function what_os()
{
    $inc_path=get_include_path();

    if ( strpos($inc_path,";") != 0 )
    {
        $os=0;			/* $os is 0 for windoz */
    }
    else
    {
        $os=1;			/* $os is 1 for unix */
    }
    return $os;
}
/**
 *@brief shrink the date, make a date shorter for the printing
 *@param $p_date format DD.MM.YYYY
 *@return date in the format DDMMYY (size = 13 mm in arial 8)
 */
function shrink_date ($p_date)
{
    $date=str_replace('.','',$p_date);
    $str_date=substr($date,0,4).substr($date,6,2);
    return $str_date;
}
/**
 *@brief format the date, when taken from the database the format
 * is MM-DD-YYYY
 *@param $p_date format YYYY-MM-DD
 *@return date in the format DD.MM.YYYY
 */
function format_date ($p_date)
{
    $date=explode('-',$p_date);
    if ( count($date) != 3) return $p_date;
    $str_date=$date[2].'.'.$date[1].'.'.$date[0];
    return $str_date;
}
/**
 *@brief ereg is not supported from the version 5.3 and is marked as
 *obsolete, this function will call preg_match and returns
 * false is nothing is found or the length of the string found
 *@param  
 *@param
 *@return
 *@see
 */
function myereg($p_pattern,$p_string,&$p_array=null)
{
    $version=phpversion();
    if ( substr($version,0,3) == '5.2' )
    {
        /* mimic old ereg */
        return ereg($p_pattern,$p_string,$p_array);
    }
    else
    {
        /* use the new preg_match */
        /**
         *@todo ereg are obsolete from the version 5.3.0
         * we have to emulate it 
         */
        /*      $a=preg_match_all($p_pattern,$p_string,$p_array);
        if ( $a == 0 ) return false;
        return true;*/
        $a=@ereg($p_pattern,$p_string,$p_array);
        return $a;
    }
}
/**
 *@brief remove the quote or double quote them
 *@param $q string
 *@return string correctly quoted
 */
function sql_string($q)
{
    $ret=str_replace("'","''",$q);
    return $ret;
}
/**
 *Should a dialog box that you are disconnected for ajax
 */
function ajax_disconnected($div)
{
/**
 *if $_SESSION['g_user'] is not set : echo a warning
 */
if ( ! isset($_SESSION['g_user']))
  {
    $html=alert("Déconnecté",true);
    $html=escape_xml($html);
    header('Content-type: text/xml; charset=UTF-8');
echo <<<EOF
<?xml version="1.0" encoding="UTF-8"?>
<data>
<ctl>$div</ctl>
<code>Déconnecté</code>
</data>
EOF;
exit();
  }
}
// ------------------------------------------------------------------------
// Function to recursively add a directory,
// sub-directories and files to a zip archive
// ******************** CAUTION *******************************************
// ODS format expect unix / instead of DIRECTORY_SEPARATOR
// otherwise, new file can not be read by OpenOffice
// see PHP Bug #48763 	ZipArchive produces corrupt OpenOffice.org files
// ------------------------------------------------------------------------
function addFolderToZip($dir, $zipArchive, $zipdir = ''){

    if (is_dir($dir)) {
        if ($dh = opendir($dir)) {
            // Loop through all the files
            $filenct = 0;
            while (($file = readdir($dh)) !== false) {
                //If it's a folder, run the function again!
                if(!is_file($dir . $file)){
                    // Skip parent and root directories
                    if( ($file !== ".") && ($file !== "..")){
                        addFolderToZip($dir . $file . '/', $zipArchive, $zipdir . $file . '/');
                    }
                }else{
                    // Add the files
                    $zipArchive->addFile($dir . $file, $zipdir . $file);
		    $filecnt +=1;
                }
            }
            //Add the directory when folder was empty
		if( (!empty($zipdir)) && ($filecnt==0)) {
			// remove directory separator before addEmptyDir      
			// otherwhisen create double folder in zip
			  $zipArchive->addEmptyDir(substr($zipdir, 0, -1));
		}	
        }
    }
} 
?>
