class UniqueFieldValidationRule in Field Validation 8

UniqueFieldValidationRule.

Plugin annotation


@FieldValidationRule(
  id = "unique_field_validation_rule",
  label = @Translation("Unique"),
  description = @Translation("Verifies that all values are unique in current entity or bundle.")
)

Hierarchy

class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
- class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
  - class \Drupal\field_validation\FieldValidationRuleBase implements ContainerFactoryPluginInterface, FieldValidationRuleInterface
    class \Drupal\field_validation\ConfigurableFieldValidationRuleBase implements ConfigurableFieldValidationRuleInterface
    class \Drupal\field_validation\Plugin\FieldValidationRule\UniqueFieldValidationRule

Expanded class hierarchy of UniqueFieldValidationRule

File

src/Plugin/FieldValidationRule/UniqueFieldValidationRule.php, line 18

Namespace

Drupal\field_validation\Plugin\FieldValidationRule

View source

class UniqueFieldValidationRule extends ConfigurableFieldValidationRuleBase {

  /**
   * {@inheritdoc}
   */
  public function addFieldValidationRule(FieldValidationRuleSetInterface $field_validation_rule_set) {
    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function getSummary() {
    $summary = parent::getSummary();
    return $summary;
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'scope' => NULL,
      'per_user' => FALSE,
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form['scope'] = [
      '#title' => $this
        ->t('Scope of unique'),
      '#description' => $this
        ->t('Specify the scope of unique values, support: entity, bundle.'),
      '#type' => 'select',
      '#options' => [
        'entity' => $this
          ->t('Entity'),
        'bundle' => $this
          ->t('Bundle'),
      ],
      '#default_value' => $this->configuration['scope'],
    ];
    $form['per_user'] = [
      '#title' => $this
        ->t('Per user'),
      '#type' => 'checkbox',
      '#default_value' => $this->configuration['per_user'] ?: FALSE,
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $this->configuration['scope'] = $form_state
      ->getValue('scope');
    $this->configuration['per_user'] = $form_state
      ->getValue('per_user');
  }
  public function validate($params) {
    $value = isset($params['value']) ? $params['value'] : '';
    $rule = isset($params['rule']) ? $params['rule'] : null;
    $context = isset($params['context']) ? $params['context'] : null;
    $items = isset($params['items']) ? $params['items'] : array();
    $delta = isset($params['delta']) ? $params['delta'] : '';
    $column = $rule
      ->getColumn();
    $settings = array();
    if (!empty($rule) && !empty($rule->configuration)) {
      $settings = $rule->configuration;
    }
    $flag = TRUE;
    $scope = isset($settings['scope']) ? $settings['scope'] : '';
    $per_user = $settings['per_user'] ?? FALSE;
    $count = 0;
    foreach ($items as $delta1 => $item1) {
      if ($delta != $delta1) {
        if ($value == $item1->{$column}) {
          $flag = FALSE;
          break;
        }
      }
    }
    if ($flag) {
      $entity = $items
        ->getEntity();
      $entity_type_id = $entity
        ->getEntityTypeId();
      $query = \Drupal::entityQuery($entity_type_id);
      $query
        ->addTag('field_validation');
      $query
        ->accessCheck(FALSE);
      if ($scope == 'bundle') {
        $bundle = $entity
          ->bundle();
        $bundle_key = $entity
          ->getEntityType()
          ->getKey('bundle');

        /*		
        	    $bundle_keys = [
          "node" => "type",
          "taxonomy_term" => "vid",
          "comment" => "comment_type",
          "block_content" => "type",
        ];
        */
        if (!empty($bundle_key)) {
          $query
            ->condition($bundle_key, $bundle);
        }
      }
      if ($per_user) {
        $query
          ->condition('uid', \Drupal::currentUser()
          ->id());
      }
      $id_key = $entity
        ->getEntityType()
        ->getKey('id');
      $query
        ->condition($id_key, (int) $items
        ->getEntity()
        ->id(), '<>');
      $field_name = $items
        ->getFieldDefinition()
        ->getName();
      if (!empty($column)) {
        $field_name = $field_name . '.' . $column;
      }
      $query
        ->condition($field_name, $value);
      $count = $query
        ->range(0, 1)
        ->count()
        ->execute();
      if ($count) {
        $flag = FALSE;
      }
    }
    if (!$flag) {
      $context
        ->addViolation($rule
        ->getErrorMessage());
    }

    //return true;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConfigurableFieldValidationRuleBase::validateConfigurationForm	public	function	Form validation handler. Overrides PluginFormInterface::validateConfigurationForm
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
FieldValidationRuleBase::$column	protected	property	The column of the FieldValidationRule.
FieldValidationRuleBase::$error_message	protected	property	The error message of the FieldValidationRule.
FieldValidationRuleBase::$field_name	protected	property	The field name of the FieldValidationRule.
FieldValidationRuleBase::$logger	protected	property	A logger instance.
FieldValidationRuleBase::$title	protected	property	The title of the FieldValidationRule.
FieldValidationRuleBase::$uuid	protected	property	The FieldValidationRule ID.
FieldValidationRuleBase::$weight	protected	property	The weight of the FieldValidationRule.
FieldValidationRuleBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies
FieldValidationRuleBase::create	public static	function	Creates an instance of the plugin. Overrides ContainerFactoryPluginInterface::create
FieldValidationRuleBase::getColumn	public	function	Returns the column of the field_validation_rule. Overrides FieldValidationRuleInterface::getColumn
FieldValidationRuleBase::getConfiguration	public	function	Gets this plugin's configuration. Overrides ConfigurableInterface::getConfiguration
FieldValidationRuleBase::getDerivativeExtension	public	function	Returns the extension the derivative would have have after adding this field_validation_rule. Overrides FieldValidationRuleInterface::getDerivativeExtension
FieldValidationRuleBase::getErrorMessage	public	function	Returns the error message of the field_validation_rule. Overrides FieldValidationRuleInterface::getErrorMessage
FieldValidationRuleBase::getFieldName	public	function	Returns the field name of the field_validation_rule. Overrides FieldValidationRuleInterface::getFieldName
FieldValidationRuleBase::getTitle	public	function	Returns the title of the field_validation_rule. Overrides FieldValidationRuleInterface::getTitle
FieldValidationRuleBase::getUuid	public	function	Returns the unique ID representing the field_validation_rule. Overrides FieldValidationRuleInterface::getUuid
FieldValidationRuleBase::getWeight	public	function	Returns the weight of the field_validation_rule. Overrides FieldValidationRuleInterface::getWeight
FieldValidationRuleBase::label	public	function	Returns the field_validation_rule label. Overrides FieldValidationRuleInterface::label
FieldValidationRuleBase::setColumn	public	function	Sets the column for this field_validation_rule. Overrides FieldValidationRuleInterface::setColumn
FieldValidationRuleBase::setConfiguration	public	function	Sets the configuration for this plugin instance. Overrides ConfigurableInterface::setConfiguration
FieldValidationRuleBase::setErrorMessage	public	function	Sets the error message for this field_validation_rule. Overrides FieldValidationRuleInterface::setErrorMessage
FieldValidationRuleBase::setFieldName	public	function	Sets the field name for this field_validation_rule. Overrides FieldValidationRuleInterface::setFieldName
FieldValidationRuleBase::setTitle	public	function	Sets the title for this field_validation_rule. Overrides FieldValidationRuleInterface::setTitle
FieldValidationRuleBase::setWeight	public	function	Sets the weight for this field_validation_rule. Overrides FieldValidationRuleInterface::setWeight
FieldValidationRuleBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides PluginBase::__construct
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::$pluginId	protected	property	The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR		constant	A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId	public	function	Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId	public	function	Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition	public	function	Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition	3
PluginBase::getPluginId	public	function	Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable	public	function	Determines if the plugin is configurable.
StringTranslationTrait::$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.
UniqueFieldValidationRule::addFieldValidationRule	public	function	Applies a field_validation_rule to the field_validation_rule_set. Overrides FieldValidationRuleInterface::addFieldValidationRule
UniqueFieldValidationRule::buildConfigurationForm	public	function	Form constructor. Overrides PluginFormInterface::buildConfigurationForm
UniqueFieldValidationRule::defaultConfiguration	public	function	Gets default configuration for this plugin. Overrides FieldValidationRuleBase::defaultConfiguration
UniqueFieldValidationRule::getSummary	public	function	Returns a render array summarizing the configuration of the field_validation_rule. Overrides FieldValidationRuleBase::getSummary
UniqueFieldValidationRule::submitConfigurationForm	public	function	Form submission handler. Overrides ConfigurableFieldValidationRuleBase::submitConfigurationForm
UniqueFieldValidationRule::validate	public	function	Overrides FieldValidationRuleBase::validate

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class UniqueFieldValidationRule in Field Validation 8

Plugin annotation

Hierarchy

File

Namespace

Members

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