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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Eventdb\Forms\Config;
use Exception;
use Icinga\Data\ResourceFactory;
use Icinga\Forms\ConfigForm;
/**
* Form for managing the connection to the EventDB backend
*/
class BackendConfigForm extends ConfigForm
{
/**
* {@inheritdoc}
*/
public function init()
{
$this->setSubmitLabel($this->translate('Save'));
}
/**
* {@inheritdoc}
*/
public function createElements(array $formData)
{
$resources = array();
foreach (ResourceFactory::getResourceConfigs() as $name => $config) {
if ($config->type === 'db') {
$resources[] = $name;
}
}
$this->addElement(
'select',
'backend_resource',
array(
'description' => $this->translate('The resource to use'),
'label' => $this->translate('Resource'),
'multiOptions' => array_combine($resources, $resources),
'required' => true
)
);
if (isset($formData['skip_validation']) && $formData['skip_validation']) {
$this->addSkipValidationCheckbox();
}
}
/**
* Return whether the given values are valid
*
* @param array $formData The data to validate
*
* @return bool
*/
public function isValid($formData)
{
if (! parent::isValid($formData)) {
return false;
}
if (($el = $this->getElement('skip_validation')) === null || ! $el->isChecked()) {
$resourceConfig = ResourceFactory::getResourceConfig($this->getValue('backend_resource'));
if (! $this->isValidEventDbSchema($resourceConfig)) {
if ($el === null) {
$this->addSkipValidationCheckbox();
}
return false;
}
}
return true;
}
public function isValidEventDbSchema($resourceConfig)
{
try {
$db = ResourceFactory::createResource($resourceConfig);
$db->select()->from('event', array('id'))->fetchOne();
} catch (Exception $_) {
$this->error($this->translate(
'Cannot find the EventDB schema. Please verify that the given database '
. 'contains the schema and that the configured user has access to it.'
));
return false;
}
return true;
}
/**
* Add a checkbox to the form by which the user can skip the schema validation
*/
protected function addSkipValidationCheckbox()
{
$this->addElement(
'checkbox',
'skip_validation',
array(
'description' => $this->translate(
'Check this to not to validate the EventDB schema of the chosen resource'
),
'ignore' => true,
'label' => $this->translate('Skip Validation'),
'order' => 0
)
);
}
}
|
