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<?php declare(strict_types = 0);
/*
** Zabbix
** Copyright (C) 2001-2022 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 CSeverityHelper {
/**
* Get severity name by given state and configuration.
*
* @param int $severity
*
* @return string
*/
public static function getName(int $severity): string {
switch ($severity) {
case ZBX_SEVERITY_OK:
return _('OK');
case TRIGGER_SEVERITY_NOT_CLASSIFIED:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_0));
case TRIGGER_SEVERITY_INFORMATION:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_1));
case TRIGGER_SEVERITY_WARNING:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_2));
case TRIGGER_SEVERITY_AVERAGE:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_3));
case TRIGGER_SEVERITY_HIGH:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_4));
case TRIGGER_SEVERITY_DISASTER:
return _(CSettingsHelper::get(CSettingsHelper::SEVERITY_NAME_5));
default:
return _('Unknown');
}
}
/**
* Get severity css style name.
*
* @param int|null $severity
* @param bool $type
*
* @return string|null
*/
public static function getStyle(?int $severity, bool $type = true): ?string {
if (!$type) {
return ZBX_STYLE_NORMAL_BG;
}
switch ($severity) {
case ZBX_SEVERITY_OK:
return ZBX_STYLE_NORMAL_BG;
case TRIGGER_SEVERITY_DISASTER:
return ZBX_STYLE_DISASTER_BG;
case TRIGGER_SEVERITY_HIGH:
return ZBX_STYLE_HIGH_BG;
case TRIGGER_SEVERITY_AVERAGE:
return ZBX_STYLE_AVERAGE_BG;
case TRIGGER_SEVERITY_WARNING:
return ZBX_STYLE_WARNING_BG;
case TRIGGER_SEVERITY_INFORMATION:
return ZBX_STYLE_INFO_BG;
case TRIGGER_SEVERITY_NOT_CLASSIFIED:
return ZBX_STYLE_NA_BG;
default:
return null;
}
}
/**
* Get severity status css style name.
*
* @param int $severity
*
* @return string|null
*/
public static function getStatusStyle(int $severity): ?string {
switch ($severity) {
case TRIGGER_SEVERITY_DISASTER:
return ZBX_STYLE_STATUS_DISASTER_BG;
case TRIGGER_SEVERITY_HIGH:
return ZBX_STYLE_STATUS_HIGH_BG;
case TRIGGER_SEVERITY_AVERAGE:
return ZBX_STYLE_STATUS_AVERAGE_BG;
case TRIGGER_SEVERITY_WARNING:
return ZBX_STYLE_STATUS_WARNING_BG;
case TRIGGER_SEVERITY_INFORMATION:
return ZBX_STYLE_STATUS_INFO_BG;
case TRIGGER_SEVERITY_NOT_CLASSIFIED:
return ZBX_STYLE_STATUS_NA_BG;
default:
return null;
}
}
/**
* Get severity color from configuration.
*
* @param int $severity
*
* @return string|null
*/
public static function getColor(int $severity): ?string {
switch ($severity) {
case TRIGGER_SEVERITY_DISASTER:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_5);
case TRIGGER_SEVERITY_HIGH:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_4);
case TRIGGER_SEVERITY_AVERAGE:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_3);
case TRIGGER_SEVERITY_WARNING:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_2);
case TRIGGER_SEVERITY_INFORMATION:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_1);
case TRIGGER_SEVERITY_NOT_CLASSIFIED:
default:
return CSettingsHelper::get(CSettingsHelper::SEVERITY_COLOR_0);
}
}
/**
* Generate array with severities options.
*
* @param int $min Minimal severity.
* @param int $max Maximum severity.
*
* @return array
*/
public static function getSeverities(int $min = TRIGGER_SEVERITY_NOT_CLASSIFIED,
int $max = TRIGGER_SEVERITY_COUNT - 1): array {
$severities = [];
foreach (range($min, $max) as $severity) {
$severities[] = [
'name' => self::getName($severity),
'value' => $severity,
'style' => self::getStyle($severity)
];
}
return $severities;
}
/**
* Returns HTML representation of severity cell containing severity name and color.
*
* @param int $severity Trigger, Event or Problem severity.
* @param array|string|null $text Trigger severity name.
* @param bool $force_normal True to return 'normal' class, false to return corresponding severity class.
* @param bool $return_as_div True to return severity cell as DIV element.
*
* @return CDiv|CCol
*/
public static function makeSeverityCell(int $severity, $text = null, bool $force_normal = false,
bool $return_as_div = false) {
if ($text === null) {
$text = CHtml::encode(self::getName($severity));
}
if ($force_normal) {
return new CCol($text);
}
$return = $return_as_div ? new CDiv($text) : new CCol($text);
return $return->addClass(self::getStyle($severity));
}
}
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