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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.
**/
namespace Zabbix\Widgets\Fields;
use API,
CApiInputValidator;
use Zabbix\Widgets\CWidgetField;
/**
* Class for data set widget field used in Graph widget configuration Data set tab.
*/
class CWidgetFieldGraphDataSet extends CWidgetField {
public const DEFAULT_VALUE = [];
public const DATASET_TYPE_SINGLE_ITEM = 0;
public const DATASET_TYPE_PATTERN_ITEM = 1;
// Predefined colors for data-sets in JSON format. Each next data set takes next sequential value from palette.
public const DEFAULT_COLOR_PALETTE = [
'FF465C', 'B0AF07', '0EC9AC', '524BBC', 'ED1248', 'D1E754', '2AB5FF', '385CC7', 'EC1594', 'BAE37D',
'6AC8FF', 'EE2B29', '3CA20D', '6F4BBC', '00A1FF', 'F3601B', '1CAE59', '45CFDB', '894BBC', '6D6D6D'
];
// First color from the default color palette.
private const DEFAULT_COLOR = 'FF465C';
public function __construct(string $name, string $label = null) {
parent::__construct($name, $label);
$this
->setDefault(self::DEFAULT_VALUE)
->setSaveType(ZBX_WIDGET_FIELD_TYPE_STR)
->setValidationRules(['type' => API_OBJECTS, 'fields' => [
'dataset_type' => ['type' => API_INT32, 'in' => implode(',', [self::DATASET_TYPE_SINGLE_ITEM, self::DATASET_TYPE_PATTERN_ITEM])],
'hosts' => ['type' => API_STRINGS_UTF8, 'flags' => null],
'items' => ['type' => API_STRINGS_UTF8, 'flags' => null],
'itemids' => ['type' => API_IDS, 'flags' => null],
'color' => ['type' => API_COLOR, 'flags' => API_REQUIRED | API_NOT_EMPTY],
'type' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [SVG_GRAPH_TYPE_LINE, SVG_GRAPH_TYPE_POINTS, SVG_GRAPH_TYPE_STAIRCASE, SVG_GRAPH_TYPE_BAR])],
'stacked' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [SVG_GRAPH_STACKED_OFF, SVG_GRAPH_STACKED_ON])],
'width' => ['type' => API_INT32, 'in' => implode(',', range(0, 10))],
'pointsize' => ['type' => API_INT32, 'in' => implode(',', range(1, 10))],
'transparency' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', range(0, 10))],
'fill' => ['type' => API_INT32, 'in' => implode(',', range(0, 10))],
'missingdatafunc' => ['type' => API_INT32, 'in' => implode(',', [SVG_GRAPH_MISSING_DATA_NONE, SVG_GRAPH_MISSING_DATA_CONNECTED, SVG_GRAPH_MISSING_DATA_TREAT_AS_ZERO, SVG_GRAPH_MISSING_DATA_LAST_KNOWN])],
'axisy' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [GRAPH_YAXIS_SIDE_LEFT, GRAPH_YAXIS_SIDE_RIGHT])],
'timeshift' => ['type' => API_TIME_UNIT, 'flags' => API_REQUIRED, 'in' => implode(':', [ZBX_MIN_TIMESHIFT, ZBX_MAX_TIMESHIFT])],
'aggregate_function' => ['type' => API_INT32, 'flags' => API_REQUIRED, 'in' => implode(',', [AGGREGATE_NONE, AGGREGATE_MIN, AGGREGATE_MAX, AGGREGATE_AVG, AGGREGATE_COUNT, AGGREGATE_SUM, AGGREGATE_FIRST, AGGREGATE_LAST])],
'aggregate_interval' => ['type' => API_MULTIPLE, 'rules' => [
['if' => ['field' => 'aggregate_function', 'in' => implode(',', [AGGREGATE_MIN, AGGREGATE_MAX, AGGREGATE_AVG, AGGREGATE_COUNT, AGGREGATE_SUM, AGGREGATE_FIRST, AGGREGATE_LAST])],
'type' => API_TIME_UNIT, 'flags' => API_REQUIRED | API_NOT_EMPTY | API_TIME_UNIT_WITH_YEAR, 'in' => implode(':', [1, ZBX_MAX_TIMESHIFT])],
['else' => true, 'type' => API_STRING_UTF8, 'in' => GRAPH_AGGREGATE_DEFAULT_INTERVAL]
]],
'aggregate_grouping' => ['type' => API_INT32, 'in' => implode(',', [GRAPH_AGGREGATE_BY_ITEM, GRAPH_AGGREGATE_BY_DATASET])],
'approximation' => ['type' => API_INT32, 'in' => implode(',', [APPROXIMATION_MIN, APPROXIMATION_AVG, APPROXIMATION_MAX, APPROXIMATION_ALL])],
'data_set_label' => ['type' => API_STRING_UTF8, 'length' => 255]
]]);
}
public function setValue($value): self {
$data_sets = [];
foreach ((array) $value as $data_set) {
$data_sets[] = $data_set + self::getDefaults();
}
return parent::setValue($data_sets);
}
public function setFlags($flags): self {
parent::setFlags($flags);
if (($flags & self::FLAG_NOT_EMPTY) !== 0) {
$strict_validation_rules = $this->getValidationRules();
self::setValidationRuleFlag($strict_validation_rules, API_NOT_EMPTY);
if (!$this->isTemplateDashboard()) {
self::setValidationRuleFlag($strict_validation_rules['fields']['hosts'], API_NOT_EMPTY);
}
self::setValidationRuleFlag($strict_validation_rules['fields']['items'], API_NOT_EMPTY);
self::setValidationRuleFlag($strict_validation_rules['fields']['itemids'], API_NOT_EMPTY);
$this->setStrictValidationRules($strict_validation_rules);
}
else {
$this->setStrictValidationRules();
}
return $this;
}
public function setTemplateId($templateid): self {
parent::setTemplateId($templateid);
return $this->setFlags($this->getFlags());
}
public static function getDefaults(): array {
return [
'dataset_type' => self::DATASET_TYPE_PATTERN_ITEM,
'hosts' => [],
'items' => [],
'itemids' => [],
'color' => self::DEFAULT_COLOR,
'type' => SVG_GRAPH_TYPE_LINE,
'stacked' => SVG_GRAPH_STACKED_OFF,
'width' => SVG_GRAPH_DEFAULT_WIDTH,
'pointsize' => SVG_GRAPH_DEFAULT_POINTSIZE,
'transparency' => SVG_GRAPH_DEFAULT_TRANSPARENCY,
'fill' => SVG_GRAPH_DEFAULT_FILL,
'axisy' => GRAPH_YAXIS_SIDE_LEFT,
'timeshift' => '',
'missingdatafunc' => SVG_GRAPH_MISSING_DATA_NONE,
'aggregate_function' => AGGREGATE_NONE,
'aggregate_interval' => GRAPH_AGGREGATE_DEFAULT_INTERVAL,
'aggregate_grouping'=> GRAPH_AGGREGATE_BY_ITEM,
'approximation' => APPROXIMATION_AVG,
'data_set_label' => ''
];
}
public static function getItemNames(array $itemids): array {
$names = [];
$items = API::Item()->get([
'output' => ['itemid', 'hostid', 'name'],
'selectHosts' => ['hostid', 'name'],
'webitems' => true,
'itemids' => $itemids,
'preservekeys' => true
]);
if (!$items) {
return $names;
}
foreach ($items as $item) {
$hosts = array_column($item['hosts'], 'name', 'hostid');
$names[$item['itemid']] = $hosts[$item['hostid']].NAME_DELIMITER.$item['name'];
}
return $names;
}
public function validate(bool $strict = false): array {
$errors = [];
$validation_rules = ($strict && $this->strict_validation_rules !== null)
? $this->strict_validation_rules
: $this->validation_rules;
$validation_rules += $this->ex_validation_rules;
$value = $this->value ?? $this->default;
if ($this->full_name !== null) {
$label = $this->full_name;
}
else {
$label = $this->label ?? $this->name;
}
if ($strict) {
if (!count($value)) {
if (!CApiInputValidator::validate($validation_rules, $value, $label, $error)) {
$errors[] = $error;
}
}
else {
$validation_rules['type'] = API_OBJECT;
}
foreach ($value as $i => $data) {
$validation_rules_by_type = $validation_rules;
if ($data['dataset_type'] == self::DATASET_TYPE_SINGLE_ITEM) {
$validation_rules_by_type['fields']['itemids']['flags'] |= API_REQUIRED;
$validation_rules_by_type['fields']['color']['type'] = API_COLORS;
unset($data['hosts'], $data['items']);
}
else {
$validation_rules_by_type['fields']['hosts']['flags'] |= API_REQUIRED;
$validation_rules_by_type['fields']['items']['flags'] |= API_REQUIRED;
unset($data['itemids']);
}
if (!CApiInputValidator::validate($validation_rules_by_type, $data, $label.'/'.($i+1), $error)) {
$errors[] = $error;
break;
}
}
}
if (!$errors) {
$this->setValue($value);
}
else {
$this->setValue($this->default);
}
return $errors;
}
public function toApi(array &$widget_fields = []): void {
$value = $this->getValue();
$dataset_fields = [
'dataset_type' => ZBX_WIDGET_FIELD_TYPE_INT32,
'type' => ZBX_WIDGET_FIELD_TYPE_INT32,
'stacked' => ZBX_WIDGET_FIELD_TYPE_INT32,
'width' => ZBX_WIDGET_FIELD_TYPE_INT32,
'pointsize' => ZBX_WIDGET_FIELD_TYPE_INT32,
'transparency' => ZBX_WIDGET_FIELD_TYPE_INT32,
'fill' => ZBX_WIDGET_FIELD_TYPE_INT32,
'axisy' => ZBX_WIDGET_FIELD_TYPE_INT32,
'timeshift' => ZBX_WIDGET_FIELD_TYPE_STR,
'missingdatafunc' => ZBX_WIDGET_FIELD_TYPE_INT32,
'aggregate_function' => ZBX_WIDGET_FIELD_TYPE_INT32,
'aggregate_interval' => ZBX_WIDGET_FIELD_TYPE_STR,
'aggregate_grouping' => ZBX_WIDGET_FIELD_TYPE_INT32,
'approximation' => ZBX_WIDGET_FIELD_TYPE_INT32,
'data_set_label' => ZBX_WIDGET_FIELD_TYPE_STR
];
$dataset_defaults = self::getDefaults();
foreach ($value as $index => $val) {
// Hosts, items and itemids fields are stored as arrays to bypass length limit.
foreach ($val['hosts'] as $num => $pattern_host) {
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_STR,
'name' => $this->name.'.hosts.'.$index.'.'.$num,
'value' => $pattern_host
];
}
foreach ($val['items'] as $num => $pattern_item) {
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_STR,
'name' => $this->name.'.items.'.$index.'.'.$num,
'value' => $pattern_item
];
}
foreach ($val['itemids'] as $num => $itemid) {
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_ITEM,
'name' => $this->name.'.itemids.'.$index.'.'.$num,
'value' => $itemid
];
}
// Field "color" stored as array for dataset type DATASET_TYPE_SINGLE_ITEM (0)
if ($val['dataset_type'] == self::DATASET_TYPE_SINGLE_ITEM) {
foreach ($val['color'] as $num => $color) {
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_STR,
'name' => $this->name.'.color.'.$index.'.'.$num,
'value' => $color
];
}
}
else {
$widget_fields[] = [
'type' => ZBX_WIDGET_FIELD_TYPE_STR,
'name' => $this->name.'.color.'.$index,
'value' => $val['color']
];
}
// Other dataset fields are stored if different from the defaults.
foreach ($dataset_fields as $name => $type) {
if ($val[$name] !== null && $val[$name] != $dataset_defaults[$name]) {
$widget_fields[] = [
'type' => $type,
'name' => $this->name.'.'.$name.'.'.$index,
'value' => $val[$name]
];
}
}
}
}
}