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class Serializer in Drupal 10

Same name and namespace in other branches
  1. 8 core/modules/rest/src/Plugin/views/style/Serializer.php \Drupal\rest\Plugin\views\style\Serializer
  2. 9 core/modules/rest/src/Plugin/views/style/Serializer.php \Drupal\rest\Plugin\views\style\Serializer

The style plugin for serialized output formats.

Plugin annotation


@ViewsStyle(
  id = "serializer",
  title = @Translation("Serializer"),
  help = @Translation("Serializes views row data using the Serializer component."),
  display_types = {"data"}
)

Hierarchy

Expanded class hierarchy of Serializer

Related topics

Views style plugins
Plugins that control how the collection of results is rendered in a view.
1 file declares its use of Serializer
SerializerTest.php in core/modules/rest/tests/src/Unit/Plugin/views/style/SerializerTest.php

File

core/modules/rest/src/Plugin/views/style/Serializer.php, line 24

Namespace

Drupal\rest\Plugin\views\style
View source 
class Serializer extends StylePluginBase implements CacheableDependencyInterface {

  /**
   * {@inheritdoc}
   */
  protected $usesRowPlugin = TRUE;

  /**
   * {@inheritdoc}
   */
  protected $usesGrouping = FALSE;

  /**
   * The serializer which serializes the views result.
   *
   * @var \Symfony\Component\Serializer\Serializer
   */
  protected $serializer;

  /**
   * The available serialization formats.
   *
   * @var array
   */
  protected $formats = [];

  /**
   * The serialization format providers, keyed by format.
   *
   * @var string[]
   */
  protected $formatProviders;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container
      ->get('serializer'), $container
      ->getParameter('serializer.formats'), $container
      ->getParameter('serializer.format_providers'));
  }

  /**
   * Constructs a Plugin object.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, SerializerInterface $serializer, array $serializer_formats, array $serializer_format_providers) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->definition = $plugin_definition + $configuration;
    $this->serializer = $serializer;
    $this->formats = $serializer_formats;
    $this->formatProviders = $serializer_format_providers;
  }

  /**
   * {@inheritdoc}
   */
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['formats'] = [
      'default' => [],
    ];
    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {
    parent::buildOptionsForm($form, $form_state);
    $form['formats'] = [
      '#type' => 'checkboxes',
      '#title' => $this
        ->t('Accepted request formats'),
      '#description' => $this
        ->t('Request formats that will be allowed in responses. If none are selected all formats will be allowed.'),
      '#options' => $this
        ->getFormatOptions(),
      '#default_value' => $this->options['formats'],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function submitOptionsForm(&$form, FormStateInterface $form_state) {
    parent::submitOptionsForm($form, $form_state);
    $formats = $form_state
      ->getValue([
      'style_options',
      'formats',
    ]);
    $form_state
      ->setValue([
      'style_options',
      'formats',
    ], array_filter($formats));
  }

  /**
   * {@inheritdoc}
   */
  public function render() {
    $rows = [];

    // If the Data Entity row plugin is used, this will be an array of entities
    // which will pass through Serializer to one of the registered Normalizers,
    // which will transform it to arrays/scalars. If the Data field row plugin
    // is used, $rows will not contain objects and will pass directly to the
    // Encoder.
    foreach ($this->view->result as $row_index => $row) {
      $this->view->row_index = $row_index;
      $rows[] = $this->view->rowPlugin
        ->render($row);
    }
    unset($this->view->row_index);

    // Get the content type configured in the display or fallback to the
    // default.
    if (empty($this->view->live_preview)) {
      $content_type = $this->displayHandler
        ->getContentType();
    }
    else {
      $content_type = !empty($this->options['formats']) ? reset($this->options['formats']) : 'json';
    }
    return $this->serializer
      ->serialize($rows, $content_type, [
      'views_style_plugin' => $this,
    ]);
  }

  /**
   * Gets a list of all available formats that can be requested.
   *
   * This will return the configured formats, or all formats if none have been
   * selected.
   *
   * @return array
   *   An array of formats.
   */
  public function getFormats() {
    return $this->options['formats'];
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheMaxAge() {
    return Cache::PERMANENT;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    return [
      'request_format',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheTags() {
    return [];
  }

  /**
   * {@inheritdoc}
   */
  public function calculateDependencies() {
    $dependencies = parent::calculateDependencies();
    $formats = $this
      ->getFormats();
    $providers = array_intersect_key($this->formatProviders, array_flip($formats));

    // The plugin always uses services from the serialization module.
    $providers[] = 'serialization';
    $dependencies += [
      'module' => [],
    ];
    $dependencies['module'] = array_merge($dependencies['module'], $providers);
    return $dependencies;
  }

  /**
   * Returns an array of format options.
   *
   * @return string[]
   *   An array of format options. Both key and value are the same.
   */
  protected function getFormatOptions() {
    $formats = array_keys($this->formatProviders);
    return array_combine($formats, $formats);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
MessengerTrait::$messenger protected property The messenger. 18
MessengerTrait::messenger public function Gets the messenger. 18
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition.
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition.
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$renderer protected property Stores the render API renderer.
PluginBase::$view public property The top object of a view.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::doFilterByDefinedOptions protected function Do the work to filter out stored options depending on the defined options.
PluginBase::filterByDefinedOptions public function
PluginBase::getAvailableGlobalTokens public function
PluginBase::getBaseId public function
PluginBase::getDerivativeId public function
PluginBase::getPluginDefinition public function 2
PluginBase::getPluginId public function
PluginBase::getProvider public function
PluginBase::getRenderer protected function Returns the render API renderer.
PluginBase::globalTokenForm public function
PluginBase::globalTokenReplace public function
PluginBase::INCLUDE_ENTITY constant Include entity row languages when listing languages.
PluginBase::INCLUDE_NEGOTIATED constant Include negotiated languages when listing languages.
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::listLanguages protected function Makes an array of languages, optionally including special languages.
PluginBase::pluginTitle public function
PluginBase::preRenderAddFieldsetMarkup public static function
PluginBase::preRenderFlattenData public static function
PluginBase::queryLanguageSubstitutions public static function Returns substitutions for Views queries for languages.
PluginBase::setOptionDefaults protected function Fills up the options of the plugin with defaults.
PluginBase::summaryTitle public function 3
PluginBase::themeFunctions public function
PluginBase::unpackOptions public function
PluginBase::usesOptions public function 6
PluginBase::viewsTokenReplace protected function Replaces Views' tokens in a given string. The resulting string will be sanitized with Xss::filterAdmin.
PluginBase::VIEWS_QUERY_LANGUAGE_SITE_DEFAULT constant Query string to indicate the site default language.
Serializer::$formatProviders protected property The serialization format providers, keyed by format.
Serializer::$formats protected property The available serialization formats.
Serializer::$serializer protected property The serializer which serializes the views result.
Serializer::$usesGrouping protected property Does the style plugin support grouping of rows. Overrides StylePluginBase::$usesGrouping
Serializer::$usesRowPlugin protected property Whether or not this style uses a row plugin. Overrides StylePluginBase::$usesRowPlugin
Serializer::buildOptionsForm public function Provide a form to edit options for this plugin. Overrides StylePluginBase::buildOptionsForm
Serializer::calculateDependencies public function Calculates dependencies for the configured plugin. Overrides PluginBase::calculateDependencies
Serializer::create public static function Creates an instance of the plugin. Overrides PluginBase::create
Serializer::defineOptions protected function Information about options for all kinds of purposes will be held here. Overrides StylePluginBase::defineOptions
Serializer::getCacheContexts public function The cache contexts associated with this object. Overrides CacheableDependencyInterface::getCacheContexts
Serializer::getCacheMaxAge public function The maximum age for which this object may be cached. Overrides CacheableDependencyInterface::getCacheMaxAge
Serializer::getCacheTags public function The cache tags associated with this object. Overrides CacheableDependencyInterface::getCacheTags
Serializer::getFormatOptions protected function Returns an array of format options.
Serializer::getFormats public function Gets a list of all available formats that can be requested.
Serializer::render public function Render the display in this style. Overrides StylePluginBase::render
Serializer::submitOptionsForm public function Handle any special handling on the validate form. Overrides PluginBase::submitOptionsForm
Serializer::__construct public function Constructs a Plugin object. Overrides PluginBase::__construct
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 1
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
StylePluginBase::$defaultFieldLabels protected property Should field labels be enabled by default. 1
StylePluginBase::$groupingTheme protected property The theme function used to render the grouping set.
StylePluginBase::$rendered_fields protected property Stores the rendered field values, keyed by the row index and field name.
StylePluginBase::$rowTokens protected property Store all available tokens row rows.
StylePluginBase::$usesFields protected property Does the style plugin for itself support to add fields to its output. 3
StylePluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. Overrides PluginBase::$usesOptions
StylePluginBase::$usesRowClass protected property Does the style plugin support custom css class for the rows. 3
StylePluginBase::buildSort public function Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query. 1
StylePluginBase::buildSortPost public function Called by the view builder to let the style build a second set of sorts that will come after any other sorts in the view. 1
StylePluginBase::defaultFieldLabels public function Return TRUE if this style enables field labels by default. 1
StylePluginBase::destroy public function Clears a plugin. Overrides PluginBase::destroy
StylePluginBase::elementPreRenderRow public function #pre_render callback for view row field rendering.
StylePluginBase::evenEmpty public function Should the output of the style plugin be rendered even if it's an empty view. 2
StylePluginBase::getField public function Gets a rendered field.
StylePluginBase::getFieldValue public function Get the raw field value.
StylePluginBase::getRowClass public function Return the token replaced row class for the specified row.
StylePluginBase::init public function Overrides \Drupal\views\Plugin\views\PluginBase::init(). Overrides PluginBase::init
StylePluginBase::preRender public function Allow the style to do stuff before each row is rendered.
StylePluginBase::query public function Add anything to the query that we might need to. Overrides PluginBase::query 1
StylePluginBase::renderFields protected function Renders all of the fields for a given style and store them on the object.
StylePluginBase::renderGrouping public function Group records as needed for rendering.
StylePluginBase::renderGroupingSets public function Render the grouping sets.
StylePluginBase::renderRowGroup protected function Renders a group of rows of the grouped view.
StylePluginBase::tokenizeValue public function Take a value and apply token replacement logic to it.
StylePluginBase::trustedCallbacks public static function Lists the trusted callbacks provided by the implementing class. Overrides PluginBase::trustedCallbacks
StylePluginBase::usesFields public function Return TRUE if this style also uses fields. 3
StylePluginBase::usesGrouping public function Returns the usesGrouping property. 3
StylePluginBase::usesRowClass public function Returns the usesRowClass property. 3
StylePluginBase::usesRowPlugin public function Returns the usesRowPlugin property. 10
StylePluginBase::usesTokens public function Return TRUE if this style uses tokens.
StylePluginBase::validate public function Validate that the plugin is correct and can be saved. Overrides PluginBase::validate
StylePluginBase::validateOptionsForm public function Validate the options form. Overrides PluginBase::validateOptionsForm
StylePluginBase::wizardSubmit public function Alter the options of a display before they are added to the view. 1
TrustedCallbackInterface::THROW_EXCEPTION constant Untrusted callbacks throw exceptions.
TrustedCallbackInterface::TRIGGER_SILENCED_DEPRECATION constant Untrusted callbacks trigger silenced E_USER_DEPRECATION errors.
TrustedCallbackInterface::TRIGGER_WARNING constant Untrusted callbacks trigger E_USER_WARNING errors.