Zabbix

<?php declare(strict_types = 0);

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

namespace Widgets\HostNavigator\Includes;

​

use Zabbix\Widgets\CWidgetField;

​

class CWidgetFieldHostGrouping extends CWidgetField {

​

    public const DEFAULT_VIEW = CWidgetFieldHostGroupingView::class;

    public const DEFAULT_VALUE = [];

​

    public const GROUP_BY_HOST_GROUP = 0;

    public const GROUP_BY_TAG_VALUE = 1;

    public const GROUP_BY_SEVERITY = 2;

​

    public const MAX_ROWS = 10;

​

    public function __construct(string $name, ?string $label = null) {

        parent::__construct($name, $label);

​

        $this

            ->setDefault(self::DEFAULT_VALUE)

            ->setValidationRules(['type' => API_OBJECTS, 'length' => self::MAX_ROWS, 'fields' => [

                'attribute' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [self::GROUP_BY_HOST_GROUP, self::GROUP_BY_TAG_VALUE, self::GROUP_BY_SEVERITY])],

                'tag_name'  => ['type' => API_STRING_UTF8, 'length' => $this->getMaxLength()]

            ]]);

    }

​

    public function validate(bool $strict = false): array {

        $errors = parent::validate($strict);

​

        if ($errors) {

            return $errors;

        }

​

        $group_by = $this->getValue();

​

        $result = array_filter($group_by, static function(array $row): bool {

            return $row['attribute'] != self::GROUP_BY_TAG_VALUE || $row['tag_name'] !== '';

        });

​

        if (count($result) < count($group_by)) {

            $errors[] = _s('Invalid parameter "%1$s": %2$s.', _('Group by'), _('tag cannot be empty'));

        }

​

        $result = array_map(static function(array $row): string {

            return implode(array_values($row));

        }, $result);

​