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<?php
namespace Icinga\Module\Director\Forms;
use Exception;
use Icinga\Application\Hook;
use Icinga\Exception\ConfigurationError;
use Icinga\Module\Director\Hook\ImportSourceHook;
use Icinga\Module\Director\Hook\PropertyModifierHook;
use Icinga\Module\Director\Objects\ImportSource;
use Icinga\Module\Director\Web\Form\DirectorObjectForm;
use RuntimeException;
class ImportRowModifierForm extends DirectorObjectForm
{
/** @var ImportSource */
protected $source;
/** @var ImportSourceHook */
protected $importSource;
/**
* @throws \Zend_Form_Exception
*/
public function setup()
{
$this->addHidden('source_id', $this->source->id);
$this->addElement('text', 'property_name', array(
'label' => $this->translate('Property'),
'description' => $this->translate(
'Please start typing for a list of suggestions. Dots allow you to access nested'
. ' properties: column.some.key. Such nested properties cannot be modified in-place,'
. ' but you can store the modified value to a new "target property"'
),
'required' => true,
'class' => 'autosubmit director-suggest',
'data-suggestion-context' => 'importsourceproperties!' . $this->source->id,
));
$this->addElement('text', 'target_property', [
'label' => $this->translate('Target property'),
'description' => $this->translate(
'You might want to write the modified value to another (new) property.'
. ' This property name can be defined here, the original property would'
. ' remain unmodified. Please leave this blank in case you just want to'
. ' modify the value of a specific property'
),
]);
$this->addElement('textarea', 'description', [
'label' => $this->translate('Description'),
'description' => $this->translate(
'An extended description for this Import Row Modifier. This should explain'
. " it's purpose and why it has been put in place at all."
),
'rows' => '3',
]);
$error = false;
try {
$mods = $this->enumModifiers();
} catch (Exception $e) {
$error = $e->getMessage();
$mods = $this->optionalEnum([]);
}
$this->addElement('YesNo', 'use_filter', [
'label' => $this->translate('Set based on filter'),
'ignore' => true,
'class' => 'autosubmit',
'required' => true,
]);
if ($this->hasBeenSent()) {
$useFilter = $this->getSentValue('use_filter');
if ($useFilter === null) {
$this->setElementValue('use_filter', $useFilter = 'n');
}
} elseif ($object = $this->getObject()) {
$expression = $object->get('filter_expression');
$useFilter = ($expression === null || strlen($expression) === 0) ? 'n' : 'y';
$this->setElementValue('use_filter', $useFilter);
} else {
$this->setElementValue('use_filter', $useFilter = 'n');
}
if ($useFilter === 'y') {
$this->addElement('text', 'filter_expression', [
'label' => $this->translate('Filter Expression'),
'description' => $this->translate(
'This allows to filter for specific parts within the given source expression.'
. ' You are allowed to refer all imported columns. Examples: host=www* would'
. ' set this property only for rows imported with a host property starting'
. ' with "www". Complex example: host=www*&!(address=127.*|address6=::1).'
. ' Please note, that CIDR notation based matches are also supported: '
. ' address=192.0.2.128/25| address=2001:db8::/32| address=::ffff:192.0.2.0/96'
),
'required' => true,
// TODO: validate filter
]);
}
$this->addElement('select', 'provider_class', [
'label' => $this->translate('Modifier'),
'required' => true,
'description' => $this->translate(
'A property modifier allows you to modify a specific property at import time'
),
'multiOptions' => $this->optionalEnum($mods),
'class' => 'autosubmit',
]);
if ($error) {
$this->getElement('provider_class')->addError($error);
}
try {
if ($class = $this->getSentValue('provider_class')) {
if ($class && array_key_exists($class, $mods)) {
$this->addSettings($class);
}
} elseif ($class = $this->object()->get('provider_class')) {
$this->addSettings($class);
}
// TODO: next line looks like obsolete duplicate code to me
$this->addSettings();
} catch (Exception $e) {
$this->getElement('provider_class')->addError($e->getMessage());
}
foreach ($this->object()->getSettings() as $key => $val) {
if ($el = $this->getElement($key)) {
$el->setValue($val);
}
}
$this->setButtons();
}
public function getSetting($name, $default = null)
{
if ($this->hasBeenSent()) {
$value = $this->getSentValue($name);
if ($value !== null) {
return $value;
}
}
if ($this->isNew()) {
$value = $this->getElement($name)->getValue();
if ($value === null) {
return $default;
}
return $value;
}
return $this->object()->getSetting($name, $default);
}
/**
* @return ImportSourceHook
* @throws ConfigurationError
*/
protected function getImportSource()
{
if ($this->importSource === null) {
$this->importSource = ImportSourceHook::loadByName(
$this->source->get('source_name'),
$this->db
);
}
return $this->importSource;
}
protected function enumModifiers()
{
/** @var PropertyModifierHook[] $hooks */
$hooks = Hook::all('Director\\PropertyModifier');
$enum = [];
foreach ($hooks as $hook) {
$enum[get_class($hook)] = $hook->getName();
}
asort($enum);
return $enum;
}
/**
* @param null $class
*/
protected function addSettings($class = null)
{
if ($class === null) {
$class = $this->getValue('provider_class');
}
if ($class !== null) {
if (! class_exists($class)) {
throw new RuntimeException(sprintf(
'The hooked class "%s" for this property modifier does no longer exist',
$class
));
}
$class::addSettingsFormFields($this);
}
}
public function setSource(ImportSource $source)
{
$this->source = $source;
return $this;
}
public function onSuccess()
{
if ($this->getValue('use_filter') === 'n') {
$this->getObject()->set('filter_expression', null);
}
parent::onSuccess();
}
}
|
