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\ItemHistory\Actions;

​

use API,

    CArrayHelper,

    CControllerDashboardWidgetView,

    CControllerResponseData,

    CItemHelper,

    CNumberParser;

​

use Widgets\ItemHistory\Includes\CWidgetFieldColumnsList;

​

class WidgetView extends CControllerDashboardWidgetView {

​

    protected function init(): void {

        parent::init();

​

        $this->addValidationRules([

            'has_custom_time_period' => 'in 1'

        ]);

    }

​

    protected function doAction(): void {

        $name = $this->widget->getDefaultName();

​

        $data = [

            'name' => $this->getInput('name', $name),

            'info' => $this->makeWidgetInfo(),

            'columns' => [],

            'item_values' => [],

            'layout' => $this->fields_values['layout'],

            'show_lines' => $this->fields_values['show_lines'],

            'show_column_header' => $this->fields_values['show_column_header'],

            'show_thumbnail' => false,

            'show_timestamp' => $this->fields_values['show_timestamp'],

            'sortorder' => $this->fields_values['sortorder'],

            'error' => null,

            'user' => [

                'debug_mode' => $this->getDebugMode()

            ]

        ];

​

        if (!$this->fields_values['override_hostid'] && $this->isTemplateDashboard()) {

            $data['error'] = _('No data.');

​

            $this->setResponse(new CControllerResponseData($data));

​

            return;

        }

​

        $columns = $this->fields_values['columns'];

        $db_items = [];

​

        if ($columns) {

            if ($this->fields_values['override_hostid']) {

                $db_item_keys = API::Item()->get([

                    'output' => ['key_'],

                    'itemids' => array_column($columns, 'itemid'),

                    'webitems' => true,

                    'preservekeys' => true

                ]);

​

                if ($db_item_keys) {

                    $db_items = API::Item()->get([

                        'output' => ['key_', 'value_type', 'units', 'valuemapid', 'history', 'trends'],

                        'selectValueMap' => ['mappings'],

                        'hostids' => $this->fields_values['override_hostid'],

                        'filter' => [

                            'key_' => array_column($db_item_keys, 'key_')

                        ],

                        'webitems' => true,

                        'preservekeys' => true

                    ]);

​

                    $itemid_by_key = $db_items

                        ? array_combine(array_column($db_items, 'key_'), array_keys($db_items))