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<?php
/* Icinga Web 2 | (c) 2016 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Eventdb\Forms\Events;
use Icinga\Data\Filter\Filter;
use Icinga\Data\Filter\FilterAnd;
use Icinga\Data\Filter\FilterChain;
use Icinga\Data\Filter\FilterExpression;
use Icinga\Data\Filter\FilterMatch;
use Icinga\Module\Eventdb\Event;
use Icinga\Web\Form;
class SeverityFilterForm extends Form
{
protected $includedPriorities;
protected $excludedPriorities;
/**
* @var FilterChain
*/
protected $filter;
/**
* @var array
*/
protected $filterEditorParams = array('modifyFilter', 'addFilter');
/**
* {@inheritdoc}
*/
public function init()
{
$this->setAttrib('class', 'inline severity-filter-form');
}
protected function findPriorities(Filter $filter, $sign, &$target)
{
if ($filter->isEmpty()) {
return;
}
if ($filter->isChain()) {
/** @var FilterChain $filter */
foreach ($filter->filters() as $part) {
/** @var Filter $part */
if (! $part->isEmpty() && $part->isExpression()) {
/** @var FilterMatch $part */
if (strtolower($part->getColumn()) === 'priority' && $part->getSign() === $sign) {
$expression = $part->getExpression();
if (is_array($expression)) {
foreach ($expression as $priority) {
$target[(int) $priority] = $part;
}
} else {
$target[(int) $expression] = $part;
}
}
} else {
/** @var FilterChain $part */
foreach ($part->filters() as $or) {
/** @var FilterExpression $or */
if (strtolower($or->getColumn()) === 'priority' && $or->getSign() === $sign) {
$expression = $or->getExpression();
if (is_array($expression)) {
foreach ($expression as $priority) {
$target[(int) $priority] = $or;
}
} else {
$target[(int) $expression] = $or;
}
}
}
}
}
} else {
/** @var FilterMatch $filter */
if (strtolower($filter->getColumn()) === 'priority' && $filter->getSign() === $sign) {
$expression = $filter->getExpression();
if (is_array($expression)) {
foreach ($expression as $priority) {
$target[(int) $priority] = $filter;
}
} else {
$target[(int) $expression] = $filter;
}
}
}
}
/**
* {@inheritdoc}
*/
public function createElements(array $formData)
{
$includedPriorities = array();
$excludedPriorities = array();
$params = $this->getRequest()->getUrl()->getParams()
->without($this->filterEditorParams)
->without('columns')
->without('page');
$filter = Filter::fromQueryString((string) $params);
$this->findPriorities($filter, '=', $includedPriorities);
$this->findPriorities($filter, '!=', $excludedPriorities);
foreach (Event::$priorities as $id => $priority) {
$class = $priority;
if (
(empty($includedPriorities) or isset($includedPriorities[$id]))
&& ! isset($excludedPriorities[$id])
) {
$class .= ' active';
$title = $this->translate('Filter out %s');
} else {
$title = $this->translate('Filter in %s');
}
$label = ucfirst(substr($priority, 0, 1));
if ($id === 3) {
$label .= substr($priority, 1, 1);
}
$this->addElement(
'submit',
$priority,
array(
'class' => $class,
'label' => $label,
'title' => sprintf($title, ucfirst($priority)),
)
);
}
$this->includedPriorities = $includedPriorities;
$this->excludedPriorities = $excludedPriorities;
$this->filter = $filter;
}
public function onSuccess()
{
$postData = $this->getRequest()->getPost();
unset($postData['formUID']);
unset($postData['CSRFToken']);
reset($postData);
$priority = Event::getPriorityId(key($postData));
$redirect = clone $this->getRequest()->getUrl();
// convert inclusion to exclusion
if (! empty($this->includedPriorities)) {
if (empty($this->excludedPriorities)) {
$this->excludedPriorities = array();
}
// set exclusion with for all not included values
foreach (array_keys(Event::$priorities) as $id) {
if (! isset($this->includedPriorities[$id])
&& ! isset($this->excludedPriorities[$id])
) {
$this->excludedPriorities[$id] = true;
}
}
// purge from inclusions from filter
if ($this->filter instanceof FilterChain) {
foreach ($this->includedPriorities as $filter) {
if ($filter instanceof Filter) {
/** @var Filter $filter */
$this->filter = $this->filter->removeId($filter->getId());
}
}
}
}
if ($this->filter instanceof FilterChain) {
// purge existing exclusions from a complex filter
foreach ($this->excludedPriorities as $filter) {
if ($filter instanceof Filter) {
/** @var Filter $filter */
$this->filter = $this->filter->removeId($filter->getId());
}
}
} elseif (! empty($this->excludedPriorities)) {
// empty the filter - because it only was a simple exclusion
$this->filter = new FilterAnd;
}
// toggle exclusion
if (isset($this->excludedPriorities[$priority])) {
// in exclusion: just remove
unset($this->excludedPriorities[$priority]);
} else {
// not set: add to exclusion
$this->excludedPriorities[$priority] = true;
}
$priorityFilter = Filter::matchAll();
foreach (array_keys($this->excludedPriorities) as $id) {
$priorityFilter->andFilter(Filter::expression('priority', '!=', $id));
}
if ($this->filter->isEmpty()) {
// set the Filter
$this->filter = $priorityFilter;
} else {
// append our filter to the rest of the existing Filter
$this->filter = $this->filter->andFilter($priorityFilter);
}
$redirect->setQueryString($this->filter->toQueryString());
$requestParams = $this->getRequest()->getUrl()->getParams();
$redirectParams = $redirect->getParams();
foreach ($this->filterEditorParams as $filterEditorParam) {
if ($requestParams->has($filterEditorParam)) {
$redirectParams->add($filterEditorParam);
}
}
if ($requestParams->has('columns')) {
$redirectParams->add('columns', $this->getRequest()->getUrl()->getParam('columns'));
}
$this->setRedirectUrl($redirect);
return true;
}
}
|
