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<?php
/***************************************************************************\
* SPIP, Système de publication pour l'internet *
* *
* Copyright © avec tendresse depuis 2001 *
* Arnaud Martin, Antoine Pitrou, Philippe Rivière, Emmanuel Saint-James *
* *
* Ce programme est un logiciel libre distribué sous licence GNU/GPL. *
* Pour plus de détails voir le fichier COPYING.txt ou l'aide en ligne. *
\***************************************************************************/
if (!defined('_ECRIRE_INC_VERSION')) {
return;
}
include_spip('base/abstract_sql');
function trouver_version_inf($objet, $id_objet, $cond = '') {
return sql_getfetsel(
'id_version',
'spip_versions',
($cond ? "$cond AND " : '') . 'objet=' . sql_quote($objet) . ' AND id_objet=' . intval($id_objet),
'',
'id_version DESC',
'0,1'
);
}
function check_version_diff($objet, $id_objet, $id_version, $id_diff, $last_version = 0) {
if (!$last_version) {
$last_version = trouver_version_inf($objet, $id_objet);
}
// si pas de diff possible, on renvoi 0,0
if (!$last_version) {
return array(0, 0);
}
if ($last_version == 1) {
return array(1, 0);
}
$id_version = max($id_version, 2);
$id_version = min($id_version, $last_version);
// verifier id_version
$id_version = trouver_version_inf($objet, $id_objet, 'id_version <= ' . intval($id_version));
// si rien trouve on prend la derniere
if (!$id_version) {
$id_version = $last_version;
}
// minorer id_diff en fonction de id_version
$id_diff = min($id_diff, $id_version - 1);
// verifier id_diff
$id_diff = trouver_version_inf($objet, $id_objet, 'id_version <= ' . intval($id_diff));
if (!$id_diff) {
$id_diff = trouver_version_inf($objet, $id_objet, 'id_version < ' . intval($id_version));
}
// echec, on renvoi ce qu'on peut
if (!$id_diff) {
$id_diff = $id_version - 1;
}
return array($id_version, $id_diff);
}
function formulaires_reviser_charger_dist($objet, $id_objet, $id_version, $id_diff) {
if (!$objets = unserialize($GLOBALS['meta']['objets_versions'])) {
$objets = array();
}
if (!in_array(table_objet_sql($objet), $objets)) {
return false;
}
$last_version = trouver_version_inf($objet, $id_objet);
list($id_version, $id_diff) = check_version_diff($objet, $id_objet, $id_version, $id_diff, $last_version);
if (!$id_version) {
return false;
}
$valeurs = array(
'_last_version' => $last_version,
'_objet' => $objet,
'_id_objet' => $id_objet,
'id_version' => $id_version,
'id_diff' => $id_diff,
);
return $valeurs;
}
function formulaires_reviser_verifier_dist($objet, $id_objet, $id_version, $id_diff) {
$erreurs = array();
list($id_version, $id_diff) = check_version_diff($objet, $id_objet, _request('id_version'), _request('id_diff'));
set_request('id_version', $id_version);
set_request('id_diff', $id_diff);
return $erreurs;
}
function formulaires_reviser_traiter_dist($objet, $id_objet, $id_version, $id_diff) {
$res = array('message_ok' => '', 'editable' => true);
$id_version = _request('id_version');
$id_diff = _request('id_diff');
if (_AJAX) {
$res['message_ok'] .= "<script type='text/javascript'>if (window.jQuery) jQuery('#wysiwyg.revision').ajaxReload({args:{id_version:$id_version,id_diff:$id_diff},history:true});</script>";
} else {
$res['redirect'] = parametre_url(parametre_url(self(), 'id_version', $id_version), 'id_diff', $id_diff, '&');
}
return $res;
}