class Comment in Drupal 9

Drupal 6 comment source from database.

For available configuration keys, refer to the parent classes.

Plugin annotation

@MigrateSource(
  id = "d6_comment",
  source_module = "comment"
)

Hierarchy

• class \Drupal\Component\Plugin\PluginBase implements DerivativeInspectionInterface, PluginInspectionInterface
  • class \Drupal\Core\Plugin\PluginBase uses DependencySerializationTrait, MessengerTrait, StringTranslationTrait
    • class \Drupal\migrate\Plugin\migrate\source\SourcePluginBase implements RollbackAwareInterface, MigrateSourceInterface
      • class \Drupal\migrate\Plugin\migrate\source\SqlBase implements ContainerFactoryPluginInterface, RequirementsInterface
        • class \Drupal\migrate_drupal\Plugin\migrate\source\DrupalSqlBase implements DependentPluginInterface uses DependencyTrait
          • class \Drupal\comment\Plugin\migrate\source\d6\Comment

See also

\Drupal\migrate\Plugin\migrate\source\SqlBase

\Drupal\migrate\Plugin\migrate\source\SourcePluginBase

1 file declares its use of Comment

Comment.php in core/modules/comment/tests/modules/d6_comment_test/src/Plugin/migrate/source/d6/Comment.php

21 string references to 'Comment'

CategoryAutocompleteTest::providerTestAutocompleteSuggestions in core/modules/block/tests/src/Unit/CategoryAutocompleteTest.php

Data provider for testAutocompleteSuggestions().

CategoryAutocompleteTest::setUp in core/modules/block/tests/src/Unit/CategoryAutocompleteTest.php

comment.info.yml in core/modules/comment/comment.info.yml

core/modules/comment/comment.info.yml

comment.views.schema.yml in core/modules/comment/config/schema/comment.views.schema.yml

core/modules/comment/config/schema/comment.views.schema.yml

CommentBundlesTest::setUp in core/modules/comment/tests/src/Kernel/CommentBundlesTest.php

... See full list

File

core/modules/comment/src/Plugin/migrate/source/d6/Comment.php, line 21

Namespace

Drupal\comment\Plugin\migrate\source\d6

class Comment extends DrupalSqlBase {

  /**
   * {@inheritdoc}
   */
  public function query() {
    $query = $this
      ->select('comments', 'c')
      ->fields('c', [
      'cid',
      'pid',
      'nid',
      'uid',
      'subject',
      'comment',
      'hostname',
      'timestamp',
      'status',
      'thread',
      'name',
      'mail',
      'homepage',
      'format',
    ]);
    $query
      ->innerJoin('node', 'n', '[c].[nid] = [n].[nid]');
    $query
      ->fields('n', [
      'type',
      'language',
    ]);
    $query
      ->orderBy('c.timestamp');
    return $query;
  }

  /**
   * {@inheritdoc}
   */
  public function prepareRow(Row $row) {

    // In D6, status=0 means published, while in D8 means the opposite.
    $row
      ->setSourceProperty('status', !$row
      ->getSourceProperty('status'));

    // If node did not have a language, use site default language as a fallback.
    if (!$row
      ->getSourceProperty('language')) {
      $language_default = $this
        ->variableGet('language_default', NULL);
      $language = $language_default ? $language_default->language : 'en';
      $row
        ->setSourceProperty('language', $language);
    }
    return parent::prepareRow($row);
  }

  /**
   * Provides a BC layer for deprecated sources.
   *
   * @param \Drupal\migrate\Row $row
   *   The row from the source to process.
   *
   * @return \Drupal\migrate\Row
   *   The row object.
   *
   * @throws \Exception
   *   Passing a Row with a frozen source to this method will trigger an
   *   \Exception when attempting to set the source properties.
   *
   * @deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. No direct
   *   replacement is provided.
   *
   * @see https://www.drupal.org/node/3221964
   */
  protected function prepareComment(Row $row) {
    @trigger_error(__METHOD__ . '() is deprecated in drupal:9.3.0 and is removed from drupal:10.0.0. No direct replacement is provided. See https://www.drupal.org/node/3221964', E_USER_DEPRECATED);
    if ($this
      ->variableGet('comment_subject_field_' . $row
      ->getSourceProperty('type'), 1)) {

      // Comment subject visible.
      $row
        ->setSourceProperty('field_name', 'comment');
      $row
        ->setSourceProperty('comment_type', 'comment');
    }
    else {
      $row
        ->setSourceProperty('field_name', 'comment_no_subject');
      $row
        ->setSourceProperty('comment_type', 'comment_no_subject');
    }

    // In D6, status=0 means published, while in D8 means the opposite.
    // See https://www.drupal.org/node/237636.
    $row
      ->setSourceProperty('status', !$row
      ->getSourceProperty('status'));

    // If node did not have a language, use site default language as a fallback.
    if (!$row
      ->getSourceProperty('language')) {
      $language_default = $this
        ->variableGet('language_default', NULL);
      $language = $language_default ? $language_default->language : 'en';
      $row
        ->setSourceProperty('language', $language);
    }
    return $row;
  }

  /**
   * {@inheritdoc}
   */
  public function fields() {
    return [
      'cid' => $this
        ->t('Comment ID.'),
      'pid' => $this
        ->t('Parent comment ID. If set to 0, this comment is not a reply to an existing comment.'),
      'nid' => $this
        ->t('The {node}.nid to which this comment is a reply.'),
      'uid' => $this
        ->t('The {users}.uid who authored the comment. If set to 0, this comment was created by an anonymous user.'),
      'subject' => $this
        ->t('The comment title.'),
      'comment' => $this
        ->t('The comment body.'),
      'hostname' => $this
        ->t("The author's host name."),
      'timestamp' => $this
        ->t('The time that the comment was created, or last edited by its author, as a Unix timestamp.'),
      'status' => $this
        ->t('The published status of a comment. (0 = Published, 1 = Not Published)'),
      'format' => $this
        ->t('The {filter_formats}.format of the comment body.'),
      'thread' => $this
        ->t("The vancode representation of the comment's place in a thread."),
      'name' => $this
        ->t("The comment author's name. Uses {users}.name if the user is logged in, otherwise uses the value typed into the comment form."),
      'mail' => $this
        ->t("The comment author's email address from the comment form, if user is anonymous, and the 'Anonymous users may/must leave their contact information' setting is turned on."),
      'homepage' => $this
        ->t("The comment author's home page address from the comment form, if user is anonymous, and the 'Anonymous users may/must leave their contact information' setting is turned on."),
      'type' => $this
        ->t("The {node}.type to which this comment is a reply."),
      'language' => $this
        ->t("The {node}.language to which this comment is a reply. Site default language is used as a fallback if node does not have a language."),
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function getIds() {
    $ids['cid']['type'] = 'integer';
    return $ids;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
Comment::fields	public	function	Returns available fields on the source. Overrides MigrateSourceInterface::fields
Comment::getIds	public	function	Defines the source fields uniquely identifying a source row. Overrides MigrateSourceInterface::getIds
Comment::prepareComment Deprecated	protected	function	Provides a BC layer for deprecated sources.	1
Comment::prepareRow	public	function	Adds additional data to the row. Overrides SourcePluginBase::prepareRow
Comment::query	public	function	Overrides SqlBase::query
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__wakeup	public	function		2
DependencyTrait::$dependencies	protected	property	The object's dependencies.
DependencyTrait::addDependencies	protected	function	Adds multiple dependencies.
DependencyTrait::addDependency	protected	function	Adds a dependency.
DrupalSqlBase::$entityTypeManager	protected	property	The entity type manager.
DrupalSqlBase::$requirements	protected	property	If the source provider is missing.
DrupalSqlBase::$systemData	protected	property	The contents of the system table.
DrupalSqlBase::calculateDependencies	public	function	Calculates dependencies for the configured plugin. Overrides DependentPluginInterface::calculateDependencies	1
DrupalSqlBase::checkRequirements	public	function	Checks if requirements for this plugin are OK. Overrides SqlBase::checkRequirements	4
DrupalSqlBase::create	public static	function	Creates an instance of the plugin. Overrides SqlBase::create	3
DrupalSqlBase::getModuleSchemaVersion	protected	function	Retrieves a module schema_version from the source Drupal database.
DrupalSqlBase::getSystemData	public	function	Retrieves all system data information from the source Drupal database.
DrupalSqlBase::moduleExists	protected	function	Checks if a given module is enabled in the source Drupal database.
DrupalSqlBase::variableGet	protected	function	Reads a variable from a source Drupal database.
DrupalSqlBase::__construct	public	function	Constructs a \Drupal\Component\Plugin\PluginBase object. Overrides SqlBase::__construct	6
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
MigrateSourceInterface::NOT_COUNTABLE		constant	Indicates that the source is not countable.
PluginBase::$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	2
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.
SourcePluginBase::$cache	protected	property	The backend cache.
SourcePluginBase::$cacheCounts	protected	property	Whether this instance should cache the source count.	1
SourcePluginBase::$cacheKey	protected	property	Key to use for caching counts.
SourcePluginBase::$currentRow	protected	property	The current row from the query.
SourcePluginBase::$currentSourceIds	protected	property	The primary key of the current row.
SourcePluginBase::$highWaterProperty	protected	property	Information on the property used as the high-water mark.
SourcePluginBase::$highWaterStorage	protected	property	The key-value storage for the high-water value.
SourcePluginBase::$idMap	protected	property	The migration ID map.
SourcePluginBase::$iterator	protected	property	The iterator to iterate over the source rows.
SourcePluginBase::$mapRowAdded	protected	property	Flags whether source plugin will read the map row and add to data row.
SourcePluginBase::$migration	protected	property	The entity migration object.
SourcePluginBase::$moduleHandler	protected	property	The module handler service.	2
SourcePluginBase::$originalHighWater	protected	property	The high water mark at the beginning of the import operation.
SourcePluginBase::$skipCount	protected	property	Whether this instance should not attempt to count the source.	1
SourcePluginBase::$trackChanges	protected	property	Flags whether to track changes to incoming data.	1
SourcePluginBase::aboveHighwater	protected	function	Check if the incoming data is newer than what we've previously imported.
SourcePluginBase::count	public	function	Gets the source count.	9
SourcePluginBase::current	public	function
SourcePluginBase::getCache	protected	function	Gets the cache object.
SourcePluginBase::getCurrentIds	public	function	Gets the currentSourceIds data member.
SourcePluginBase::getHighWater	protected	function	The current value of the high water mark.
SourcePluginBase::getHighWaterField	protected	function	Get the name of the field used as the high watermark.
SourcePluginBase::getHighWaterProperty	protected	function	Get information on the property used as the high watermark.
SourcePluginBase::getHighWaterStorage	protected	function	Get the high water storage object.
SourcePluginBase::getIterator	protected	function	Returns the iterator that will yield the row arrays to be processed.
SourcePluginBase::getModuleHandler	protected	function	Gets the module handler.
SourcePluginBase::getSourceModule	public	function	Gets the source module providing the source data. Overrides MigrateSourceInterface::getSourceModule
SourcePluginBase::key	public	function	Gets the iterator key.
SourcePluginBase::next	public	function
SourcePluginBase::postRollback	public	function	Performs post-rollback tasks. Overrides RollbackAwareInterface::postRollback
SourcePluginBase::preRollback	public	function	Performs pre-rollback tasks. Overrides RollbackAwareInterface::preRollback
SourcePluginBase::rewind	public	function	Rewinds the iterator.
SourcePluginBase::rowChanged	protected	function	Checks if the incoming row has changed since our last import.
SourcePluginBase::saveHighWater	protected	function	Save the new high water mark.
SourcePluginBase::valid	public	function	Checks whether the iterator is currently valid.
SqlBase::$batch	protected	property	The count of the number of batches run.
SqlBase::$batchSize	protected	property	Number of records to fetch from the database during each batch.
SqlBase::$database	protected	property	The database object.	1
SqlBase::$query	protected	property	The query string.
SqlBase::$state	protected	property	State service for retrieving database info.
SqlBase::doCount	protected	function	Gets the source count using countQuery(). Overrides SourcePluginBase::doCount
SqlBase::fetchNextBatch	protected	function	Prepares query for the next set of data from the source database.
SqlBase::fetchNextRow	protected	function	Position the iterator to the following row. Overrides SourcePluginBase::fetchNextRow
SqlBase::getDatabase	public	function	Gets the database connection object.	2
SqlBase::initializeIterator	protected	function	Initializes the iterator with the source data. Overrides SourcePluginBase::initializeIterator	18
SqlBase::mapJoinable	protected	function	Checks if we can join against the map table.	1
SqlBase::prepareQuery	protected	function	Adds tags and metadata to the query.
SqlBase::select	protected	function	Wrapper for database select.
SqlBase::setUpDatabase	protected	function	Gets a connection to the referenced database.
SqlBase::__sleep	public	function	Overrides DependencySerializationTrait::__sleep
SqlBase::__toString	public	function	Prints the query string when the object is used as a string. Overrides MigrateSourceInterface::__toString
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
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.