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<?php
/*
* Fonction de g�n�ration d'iCal
*/
// Constantes d'erreur
define("ERR_ICAL_NO_DATA", -1);
define("ERR_ICAL_SQL_ERROR", -2);
function generationIcal($idP, &$iCal_name, &$iCal_content, &$errmsg)
{
require_once('connect.inc.php');
$query = 'SELECT DISTINCT R.idR,R.objetR,P.courrielP,UNIX_TIMESTAMP(C.dateHeure),C.duree,R.lieuR,R.ordreJourR,L.idL'
. ' FROM Liste L,Reunion R,Appartenir A,Creneau C,Personne P'
. " WHERE ((A.idP = $idP AND A.idL = L.idL) OR R.idP_Orga = $idP)"
. ' AND R.idL = L.idL AND C.idC = R.idC_Fixe AND P.idP = R.idP_Orga';
if ( ! $result = @mysql_query($query) )
{
// Cas d'erreur
$errmsg =mysql_generate_errmsg();
return ERR_ICAL_SQL_ERROR;
}
else
{
if (mysql_num_rows($result)<1)
{
return ERR_ICAL_NO_DATA;
}
else
{
$time = time();
$iCal_name = "iCal_${idP}_${time}.ics";
$iCal_content = "BEGIN:VCALENDAR\r\n" . "VERSION:2.0\r\n";
while ( list($idR, $objetR, $courrielP, $dateDeb, $duree, $lieuR, $ordreJourR, $idL) = mysql_fetch_array($result) )
{
// TODO : Il est probablement judicieux d'ajouter � l'UID un timestamp unix !!!!!
$iCal_content .= "BEGIN:VEVENT\r\n" . "UID:awor_${idP}.${idR}\r\n" . "SUMMARY:$objetR ($courrielP)\r\n";
$iCal_content .= 'DTSTART:' . date('Ymd\THis', $dateDeb) . "\r\n";
$iCal_content .= 'DTEND:' . date('Ymd\THis', $dateDeb+60*$duree) . "\r\n";
$iCal_content .= "LOCATION:$lieuR\r\n";
$iCal_content .= "DESCRIPTION:$ordreJourR\r\n";
$query = 'SELECT P.courrielP FROM Appartenir A,Personne P' . " WHERE A.idP=P.idP AND A.idL='$idL'";
if ( ! $result = mysql_query($query) )
{
// Cas d'erreur
$errmsg =mysql_generate_errmsg();
$ret=ERR_ICAL_SQL_ERROR;
break;
}
else
{
while ( list($mail_autres) = mysql_fetch_array($result) )
{
$iCal_content .= "ATTENDEE:mailto:$mail_autres\r\n";
}
}
// TODO : v�rifier la pertinance de la variable utilis�e
$iCal_content .= 'URL:http://' . $_SERVER['HTTP_HOST'] . "\r\n";
$iCal_content .= "END:VEVENT\r\n";
}
$iCal_content .= "END:VCALENDAR\r\n";
return 0;
}
}
}
?>
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