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<?php
/*
** Zabbix
** Copyright (C) 2001-2019 Zabbix SIA
**
** This program 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.
**
** This program 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 this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
/**
* Class to perform low level graph related actions.
*/
class CGraphManager {
/**
* Deletes graphs and related entities without permission check.
*
* @param array $graphids
*/
public static function delete(array $graphids) {
$del_graphids = [];
// Selecting all inherited graphs.
$parent_graphids = array_flip($graphids);
do {
$db_graphs = DBselect(
'SELECT g.graphid FROM graphs g WHERE '.dbConditionInt('g.templateid', array_keys($parent_graphids))
);
$del_graphids += $parent_graphids;
$parent_graphids = [];
while ($db_graph = DBfetch($db_graphs)) {
if (!array_key_exists($db_graph['graphid'], $del_graphids)) {
$parent_graphids[$db_graph['graphid']] = true;
}
}
} while ($parent_graphids);
$del_graphids = array_keys($del_graphids);
DB::delete('screens_items', [
'resourceid' => $del_graphids,
'resourcetype' => SCREEN_RESOURCE_GRAPH
]);
DB::delete('profiles', [
'idx' => 'web.favorite.graphids',
'source' => 'graphid',
'value_id' => $del_graphids
]);
DB::delete('profiles', [
'idx' => 'web.latest.graphid',
'value_id' => $del_graphids
]);
DB::delete('widget_field', ['value_graphid' => $del_graphids]);
DB::delete('graph_discovery', ['graphid' => $del_graphids]);
DB::delete('graphs_items', ['graphid' => $del_graphids]);
DB::delete('graphs', ['graphid' => $del_graphids]);
}
}
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