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<?php
namespace Drupal\views\Plugin\views\cache;
use Drupal\Core\Datetime\DateFormatterInterface;
use Drupal\Core\Cache\Cache;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\HttpFoundation\Request;
/**
* Simple caching of query results for Views displays.
*
* @ingroup views_cache_plugins
*
* @ViewsCache(
* id = "time",
* title = @Translation("Time-based"),
* help = @Translation("Simple time-based caching of data.")
* )
*/
class Time extends CachePluginBase {
/**
* {@inheritdoc}
*/
protected $usesOptions = TRUE;
/**
* The date formatter service.
*
* @var \Drupal\Core\Datetime\DateFormatterInterface
*/
protected $dateFormatter;
/**
* The current request.
*
* @var \Symfony\Component\HttpFoundation\Request
*/
protected $request;
/**
* Constructs a Time cache plugin object.
*
* @param array $configuration
* A configuration array containing information about the plugin instance.
* @param string $plugin_id
* The plugin_id for the plugin instance.
* @param mixed $plugin_definition
* The plugin implementation definition.
* @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
* The date formatter service.
* @param \Symfony\Component\HttpFoundation\Request $request
* The current request.
*/
public function __construct(array $configuration, $plugin_id, $plugin_definition, DateFormatterInterface $date_formatter, Request $request) {
$this->dateFormatter = $date_formatter;
$this->request = $request;
parent::__construct($configuration, $plugin_id, $plugin_definition);
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
return new static(
$configuration,
$plugin_id,
$plugin_definition,
$container->get('date.formatter'),
$container->get('request_stack')->getCurrentRequest()
);
}
protected function defineOptions() {
$options = parent::defineOptions();
$options['results_lifespan'] = ['default' => 3600];
$options['results_lifespan_custom'] = ['default' => 0];
$options['output_lifespan'] = ['default' => 3600];
$options['output_lifespan_custom'] = ['default' => 0];
return $options;
}
public function buildOptionsForm(&$form, FormStateInterface $form_state) {
parent::buildOptionsForm($form, $form_state);
$options = [60, 300, 1800, 3600, 21600, 518400];
$options = array_map([$this->dateFormatter, 'formatInterval'], array_combine($options, $options));
$options = [0 => $this->t('Never cache')] + $options + ['custom' => $this->t('Custom')];
$form['results_lifespan'] = [
'#type' => 'select',
'#title' => $this->t('Query results'),
'#description' => $this->t('The length of time raw query results should be cached.'),
'#options' => $options,
'#default_value' => $this->options['results_lifespan'],
];
$form['results_lifespan_custom'] = [
'#type' => 'textfield',
'#title' => $this->t('Seconds'),
'#size' => '25',
'#maxlength' => '30',
'#description' => $this->t('Length of time in seconds raw query results should be cached.'),
'#default_value' => $this->options['results_lifespan_custom'],
'#states' => [
'visible' => [
':input[name="cache_options[results_lifespan]"]' => ['value' => 'custom'],
],
],
];
$form['output_lifespan'] = [
'#type' => 'select',
'#title' => $this->t('Rendered output'),
'#description' => $this->t('The length of time rendered HTML output should be cached.'),
'#options' => $options,
'#default_value' => $this->options['output_lifespan'],
];
$form['output_lifespan_custom'] = [
'#type' => 'textfield',
'#title' => $this->t('Seconds'),
'#size' => '25',
'#maxlength' => '30',
'#description' => $this->t('Length of time in seconds rendered HTML output should be cached.'),
'#default_value' => $this->options['output_lifespan_custom'],
'#states' => [
'visible' => [
':input[name="cache_options[output_lifespan]"]' => ['value' => 'custom'],
],
],
];
}
public function validateOptionsForm(&$form, FormStateInterface $form_state) {
$custom_fields = ['output_lifespan', 'results_lifespan'];
foreach ($custom_fields as $field) {
$cache_options = $form_state->getValue('cache_options');
if ($cache_options[$field] == 'custom' && !is_numeric($cache_options[$field . '_custom'])) {
$form_state->setError($form[$field . '_custom'], $this->t('Custom time values must be numeric.'));
}
}
}
public function summaryTitle() {
$results_lifespan = $this->getLifespan('results');
$output_lifespan = $this->getLifespan('output');
return $this->dateFormatter->formatInterval($results_lifespan, 1) . '/' . $this->dateFormatter->formatInterval($output_lifespan, 1);
}
protected function getLifespan($type) {
$lifespan = $this->options[$type . '_lifespan'] == 'custom' ? $this->options[$type . '_lifespan_custom'] : $this->options[$type . '_lifespan'];
return $lifespan;
}
protected function cacheExpire($type) {
$lifespan = $this->getLifespan($type);
if ($lifespan) {
$cutoff = REQUEST_TIME - $lifespan;
return $cutoff;
}
else {
return FALSE;
}
}
/**
* {@inheritdoc}
*/
protected function cacheSetMaxAge($type) {
$lifespan = $this->getLifespan($type);
if ($lifespan) {
return $lifespan;
}
else {
return Cache::PERMANENT;
}
}
/**
* {@inheritdoc}
*/
protected function getDefaultCacheMaxAge() {
// The max age, unless overridden by some other piece of the rendered code
// is determined by the output time setting.
return (int) $this->cacheSetMaxAge('output');
}
}