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<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2023 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 CCorrelationHelper {
/**
* Convert a correlation condition operator to string.
*
* @static
*
* @param int $operator
*
* @return string
*/
public static function getLabelByOperator(int $operator): string {
$operators = [
CONDITION_OPERATOR_EQUAL => _('equals'),
CONDITION_OPERATOR_NOT_EQUAL => _('does not equal'),
CONDITION_OPERATOR_LIKE => _('contains'),
CONDITION_OPERATOR_NOT_LIKE => _('does not contain')
];
return $operators[$operator];
}
/**
* Returns correlation condition types or one type depending on input.
*
* @static
*
* @return array Returns condition type and it's string translation as array key => value pair.
*/
public static function getConditionTypes(): array {
return [
ZBX_CORR_CONDITION_OLD_EVENT_TAG => _('Old event tag name'),
ZBX_CORR_CONDITION_NEW_EVENT_TAG => _('New event tag name'),
ZBX_CORR_CONDITION_NEW_EVENT_HOSTGROUP => _('New event host group'),
ZBX_CORR_CONDITION_EVENT_TAG_PAIR => _('Event tag pair'),
ZBX_CORR_CONDITION_OLD_EVENT_TAG_VALUE => _('Old event tag value'),
ZBX_CORR_CONDITION_NEW_EVENT_TAG_VALUE => _('New event tag value')
];
}
/**
* Returns correlation operation types or one type depending on input.
*
* @static
*
* @return array Returns operation type and it's string translation as array key => value pair.
*/
public static function getOperationTypes(): array {
return [
ZBX_CORR_OPERATION_CLOSE_OLD => _('Close old events'),
ZBX_CORR_OPERATION_CLOSE_NEW => _('Close new event')
];
}
/**
* Return an array of operators supported by the given correlation condition.
*
* @static
*
* @param int $type Correlation condition type.
*
* @return array Returns array of supported operators.
*/
public static function getOperatorsByConditionType(int $type): array {
switch ($type) {
case ZBX_CORR_CONDITION_OLD_EVENT_TAG:
case ZBX_CORR_CONDITION_NEW_EVENT_TAG:
case ZBX_CORR_CONDITION_EVENT_TAG_PAIR:
return [CONDITION_OPERATOR_EQUAL];
case ZBX_CORR_CONDITION_OLD_EVENT_TAG_VALUE:
case ZBX_CORR_CONDITION_NEW_EVENT_TAG_VALUE:
return [CONDITION_OPERATOR_EQUAL, CONDITION_OPERATOR_NOT_EQUAL, CONDITION_OPERATOR_LIKE,
CONDITION_OPERATOR_NOT_LIKE
];
case ZBX_CORR_CONDITION_NEW_EVENT_HOSTGROUP:
return [CONDITION_OPERATOR_EQUAL, CONDITION_OPERATOR_NOT_EQUAL];
}
}
/**
* Returns the HTML representation of a correlation condition.
*
* @static
*
* @param array $condition Array of correlation condition data.
* @param array $group_names Host group names keyed by host group ID.
*
* @return array
*/
public static function getConditionDescription(array $condition, array $group_names): array {
$description = [];
switch ($condition['type']) {
case ZBX_CORR_CONDITION_OLD_EVENT_TAG:
$description[] = _('Old event tag name');
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' ';
$description[] = italic(CHtml::encode($condition['tag']));
break;
case ZBX_CORR_CONDITION_NEW_EVENT_TAG:
$description[] = _('New event tag name');
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' ';
$description[] = italic(CHtml::encode($condition['tag']));
break;
case ZBX_CORR_CONDITION_NEW_EVENT_HOSTGROUP:
$description[] = _('New event host group');
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' ';
$description[] = italic(CHtml::encode(array_key_exists($condition['groupid'], $group_names)
? $group_names[$condition['groupid']]
: _('Unknown')
));
break;
case ZBX_CORR_CONDITION_EVENT_TAG_PAIR:
$description[] = _('Value of old event tag').' ';
$description[] = italic(CHtml::encode($condition['oldtag']));
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' '.
_('value of new event tag').' ';
$description[] = italic(CHtml::encode($condition['newtag']));
break;
case ZBX_CORR_CONDITION_OLD_EVENT_TAG_VALUE:
$description[] = _('Value of old event tag').' ';
$description[] = italic(CHtml::encode($condition['tag']));
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' ';
$description[] = italic(CHtml::encode($condition['value']));
break;
case ZBX_CORR_CONDITION_NEW_EVENT_TAG_VALUE:
$description[] = _('Value of new event tag').' ';
$description[] = italic(CHtml::encode($condition['tag']));
$description[] = ' '.self::getLabelByOperator((int) $condition['operator']).' ';
$description[] = italic(CHtml::encode($condition['value']));
break;
}
return $description;
}
}
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