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316 lines
8.1 KiB
316 lines
8.1 KiB
1 year ago
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<?php declare(strict_types = 0);
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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namespace Widgets\Clock\Actions;
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use API,
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CControllerDashboardWidgetView,
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CControllerResponseData,
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CTimezoneHelper,
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DateTime,
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DateTimeZone,
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Exception,
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Manager;
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use Widgets\Clock\Widget;
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class WidgetView extends CControllerDashboardWidgetView {
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protected function init(): void {
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parent::init();
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$this->addValidationRules([
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'dynamic_hostid' => 'db hosts.hostid'
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]);
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}
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protected function doAction(): void {
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$config_defaults = [
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'name' => $this->widget->getDefaultName(),
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'type' => $this->fields_values['clock_type'],
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'time' => null,
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'time_zone_offset' => null,
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'date' => date(ZBX_DATE),
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'time_zone' => TIMEZONE_DEFAULT_LOCAL,
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'is_enabled' => true,
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'critical_error' => null
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];
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switch ($this->fields_values['time_type']) {
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case TIME_TYPE_HOST:
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$clock_data = $this->configureHostTime() + $config_defaults;
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break;
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case TIME_TYPE_SERVER:
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$clock_data = $this->configureFields() + $config_defaults;
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$clock_data['name'] = _('Server');
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break;
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default:
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$clock_data = $this->configureFields() + $config_defaults;
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$clock_data['name'] = _('Local');
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break;
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}
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// Pass clock configuration to browser script.
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if ($this->fields_values['clock_type'] === Widget::TYPE_DIGITAL) {
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$clock_data['show'] = $this->fields_values['show'];
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$clock_data['bg_color'] = $this->fields_values['bg_color'];
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$clock_data['time_format'] = $this->fields_values['time_format'];
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$clock_data['seconds'] = ($this->fields_values['time_sec'] == 1);
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$clock_data['tzone_format'] = $this->fields_values['tzone_format'];
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}
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$this->setResponse(new CControllerResponseData([
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'name' => $this->getInput('name', $clock_data['name']),
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'clock_data' => $clock_data,
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'styles' => $this->getFieldStyles(),
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'user' => [
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'debug_mode' => $this->getDebugMode()
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]
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]));
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}
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/**
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* Makes time zone field value.
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*
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* @param string $time_zone Saved time zone name.
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* @param int $format Use time zone name (from database) if short or time zone title (from list) if long.
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*
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* @return string Return time zone name from list or 'local' if time zone must be set via browser.
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*/
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private function makeTimeZoneValue(string $time_zone, int $format = Widget::TIMEZONE_SHORT): string {
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if ($time_zone === TIMEZONE_DEFAULT_LOCAL) {
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return $time_zone;
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}
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$zone = $time_zone === ZBX_DEFAULT_TIMEZONE ? CTimezoneHelper::getSystemTimezone() : $time_zone;
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if ($format === Widget::TIMEZONE_SHORT) {
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if (($pos = strrpos($zone, '/')) !== false) {
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$zone = substr($zone, $pos + 1);
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}
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}
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else {
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$zone = CTimezoneHelper::getTitle($zone);
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}
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return str_replace('_', ' ', $zone);
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}
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private function showDate(): bool {
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return $this->fields_values['clock_type'] === Widget::TYPE_DIGITAL
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&& in_array(Widget::SHOW_DATE, $this->fields_values['show']);
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}
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private function showTime(): bool {
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return $this->fields_values['clock_type'] === Widget::TYPE_ANALOG
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|| in_array(Widget::SHOW_TIME, $this->fields_values['show']);
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}
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private function showTimeZone(): bool {
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return $this->fields_values['clock_type'] === Widget::TYPE_DIGITAL
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&& in_array(Widget::SHOW_TIMEZONE, $this->fields_values['show']);
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}
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/**
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* @param DateTime $date
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*
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* @return array
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*/
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private function makeTimeFromDateTime(DateTime $date): array {
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$time = [];
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$time['time'] = $date->getTimestamp();
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$time['time_zone_offset'] = (int) $date->format('Z');
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return $time;
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}
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/**
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* Makes DateTime object from passed time_zone string.
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*
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* @param string $time_zone Time zone string.
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*
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* @return DateTime|null Returns created DateTime object or null if time zone is set by browser.
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*/
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private function makeDateTimeFromTimeZone(string $time_zone): ?DateTime {
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if ($time_zone === TIMEZONE_DEFAULT_LOCAL) {
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return null;
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}
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$now = new DateTime();
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if ($time_zone !== ZBX_DEFAULT_TIMEZONE) {
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$now->setTimezone(new DateTimeZone($time_zone));
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}
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return $now;
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}
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private function configureHostTime(): array {
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$items = [];
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$clock = ['is_enabled' => true];
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if ($this->isTemplateDashboard()) {
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if ($this->hasInput('dynamic_hostid')) {
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$template_items = API::Item()->get([
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'output' => ['key_'],
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'itemids' => $this->fields_values['itemid'],
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'webitems' => true
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]);
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if ($template_items) {
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$items = API::Item()->get([
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'output' => ['itemid', 'value_type'],
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'selectHosts' => ['name'],
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'hostids' => [$this->getInput('dynamic_hostid')],
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'filter' => [
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'key_' => $template_items[0]['key_']
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],
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'webitems' => true
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]);
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}
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}
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// Editing template dashboard?
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else {
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$clock['is_enabled'] = false;
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}
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}
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else {
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$items = API::Item()->get([
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'output' => ['itemid', 'value_type'],
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'selectHosts' => ['name'],
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'itemids' => $this->fields_values['itemid'],
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'webitems' => true
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]);
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}
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if (!$clock['is_enabled']) {
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return $clock;
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}
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if ($items) {
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$item = $items[0];
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$clock['name'] = $item['hosts'][0]['name'];
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$last_value = $item['value_type'] == ITEM_VALUE_TYPE_BINARY
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? []
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: Manager::History()->getLastValues([$item]);
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if ($last_value) {
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$last_value = $last_value[$item['itemid']][0];
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try {
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$now = new DateTime($last_value['value']);
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if ($this->showDate()) {
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$clock['date'] = $now->format(ZBX_DATE);
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}
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$clock['time_zone_offset'] = (int) $now->format('Z');
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$clock['time'] = time() - ($last_value['clock'] - $now->getTimestamp());
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if ($this->showTimeZone()) {
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$clock['time_zone'] = 'UTC'.$now->format('P');
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}
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}
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catch (Exception $e) {
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$clock['is_enabled'] = false;
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}
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}
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else {
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$clock['is_enabled'] = false;
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}
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}
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else {
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$clock['critical_error'] = _('No permissions to referred object or it does not exist!');
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}
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return $clock;
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}
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/**
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* Create required clock field values both for analog and digital clock.
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*/
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private function configureFields(): array {
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$clock = [];
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$date = $this->makeDateTimeFromTimeZone($this->fields_values['tzone_timezone']);
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if ($date !== null) {
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if ($this->showDate()) {
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$clock['date'] = $date->format(ZBX_DATE);
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}
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if ($this->showTime()) {
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$clock = array_merge($clock, $this->makeTimeFromDateTime($date));
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}
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}
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if ($this->showTimeZone()) {
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$clock['time_zone'] = $this->makeTimeZoneValue($this->fields_values['tzone_timezone'],
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$this->fields_values['tzone_format']
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);
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}
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return $clock;
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}
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/**
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* Groups enabled field styles by field name (Date, Time, Time zone).
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*/
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private function getFieldStyles(): array {
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$cells = [];
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if ($this->fields_values['clock_type'] === Widget::TYPE_DIGITAL) {
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$show = $this->fields_values['show'];
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if (in_array(Widget::SHOW_DATE, $show)) {
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$cells['date'] = [
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'size' => $this->fields_values['date_size'],
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'bold' => ($this->fields_values['date_bold'] == 1),
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'color' => $this->fields_values['date_color']
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];
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}
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if (in_array(Widget::SHOW_TIME, $show)) {
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$cells['time'] = [
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'size' => $this->fields_values['time_size'],
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'bold' => ($this->fields_values['time_bold'] == 1),
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'color' => $this->fields_values['time_color']
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];
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}
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if (in_array(Widget::SHOW_TIMEZONE, $show)) {
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$cells['timezone'] = [
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'size' => $this->fields_values['tzone_size'],
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'bold' => ($this->fields_values['tzone_bold'] == 1),
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'color' => $this->fields_values['tzone_color']
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];
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}
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}
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return $cells;
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}
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}
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