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class SliderProcessor in Facets 8

Provides a processor that adds all values between an min and max range.

Plugin annotation


@FacetsProcessor(
  id = "slider",
  label = @Translation("Slider"),
  description = @Translation("Add results for all the steps between min and max range."),
  stages = {
    "post_query" = 60
  }
)

Hierarchy

Expanded class hierarchy of SliderProcessor

1 file declares its use of SliderProcessor
SliderProcessorTest.php in modules/facets_range_widget/tests/src/Unit/Plugin/processor/SliderProcessorTest.php

File

modules/facets_range_widget/src/Plugin/facets/processor/SliderProcessor.php, line 22

Namespace

Drupal\facets_range_widget\Plugin\facets\processor
View source
class SliderProcessor extends ProcessorPluginBase implements PostQueryProcessorInterface {

  /**
   * {@inheritdoc}
   */
  public function postQuery(FacetInterface $facet) {
    $widget = $facet
      ->getWidgetInstance();
    $config = $widget
      ->getConfiguration();
    $simple_results = [];

    // Generate all the "results" between min and max, with the configured step.
    foreach ($facet
      ->getResults() as $result) {
      $simple_results['f_' . (double) $result
        ->getRawValue()] = [
        'value' => (double) $result
          ->getRawValue(),
        'count' => (int) $result
          ->getCount(),
      ];
    }
    uasort($simple_results, function ($a, $b) {
      if ($a['value'] === $b['value']) {
        return 0;
      }
      return $a['value'] < $b['value'] ? -1 : 1;
    });
    $step = $config['step'];
    if ($config['min_type'] == 'fixed') {
      $min = $config['min_value'];
      $max = $config['max_value'];
    }
    else {
      $min = reset($simple_results)['value'] ?? 0;
      $max = end($simple_results)['value'] ?? 0;

      // If max is not divisible by step, we should add the remainder to max to
      // make sure that we don't lose any possible values.
      if ($max % $step !== 0) {
        $max = $max + ($step - $max % $step);
      }
    }

    // Creates an array of all results between min and max by the step from the
    // configuration.
    $new_results = [];
    for ($i = $min; $i <= $max; $i += $step) {
      $count = isset($simple_results['f_' . $i]) ? $simple_results['f_' . $i]['count'] : 0;
      $new_results[] = new Result($facet, (double) $i, (double) $i, $count);
    }

    // Overwrite the current facet values with the generated results.
    $facet
      ->setResults($new_results);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
DependencyTrait::$dependencies protected property The object's dependencies.
DependencyTrait::addDependencies protected function Adds multiple dependencies.
DependencyTrait::addDependency protected function Adds a dependency.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. 92
ProcessorInterface::STAGE_BUILD constant Processing stage: build.
ProcessorInterface::STAGE_POST_QUERY constant Processing stage: post_query.
ProcessorInterface::STAGE_PRE_QUERY constant Processing stage: pre_query.
ProcessorInterface::STAGE_SORT constant Processing stage: sort.
ProcessorPluginBase::buildConfigurationForm public function Adds a configuration form for this processor. Overrides ProcessorInterface::buildConfigurationForm 10
ProcessorPluginBase::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
ProcessorPluginBase::defaultConfiguration public function Gets default configuration for this plugin. Overrides ConfigurableInterface::defaultConfiguration 8
ProcessorPluginBase::getConfiguration public function Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
ProcessorPluginBase::getDefaultWeight public function Returns the default weight for a specific processing stage. Overrides ProcessorInterface::getDefaultWeight
ProcessorPluginBase::getDescription public function Retrieves the processor description. Overrides ProcessorInterface::getDescription
ProcessorPluginBase::getQueryType public function Picks the preferred query type for this widget. Overrides ProcessorInterface::getQueryType 4
ProcessorPluginBase::isHidden public function Determines whether this processor should be hidden from the user. Overrides ProcessorInterface::isHidden
ProcessorPluginBase::isLocked public function Determines whether this processor should always be enabled. Overrides ProcessorInterface::isLocked
ProcessorPluginBase::setConfiguration public function Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
ProcessorPluginBase::submitConfigurationForm public function
ProcessorPluginBase::supportsFacet public function Checks if the facet is supported by this widget. Overrides ProcessorInterface::supportsFacet 6
ProcessorPluginBase::supportsStage public function Checks whether this processor implements a particular stage. Overrides ProcessorInterface::supportsStage
ProcessorPluginBase::validateConfigurationForm public function Validates a configuration form for this processor. Overrides ProcessorInterface::validateConfigurationForm 2
SliderProcessor::postQuery public function Runs after the query was executed. Overrides PostQueryProcessorInterface::postQuery
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.