node.inc in Migrate 7.2
Same filename and directory in other branches
Support for node destinations.
File
plugins/destinations/node.incView source
<?php
/**
* @file
* Support for node destinations.
*/
// TODO:
// Make sure this works with updates, explicit destination keys
/**
* Destination class implementing migration into nodes.
*/
class MigrateDestinationNode extends MigrateDestinationEntity {
protected $bypassDestIdCheck = FALSE;
public static function getKeySchema() {
return array(
'nid' => array(
'type' => 'int',
'unsigned' => TRUE,
'description' => 'ID of destination node',
),
);
}
/**
* Return an options array for node destinations.
*
* @param string $language
* Default language for nodes created via this destination class.
* @param string $text_format
* Default text format for nodes created via this destination class.
*/
public static function options($language, $text_format) {
return compact('language', 'text_format');
}
/**
* Basic initialization
*
* @param string $bundle
* A.k.a. the content type (page, article, etc.) of the node.
* @param array $options
* Options applied to nodes.
*/
public function __construct($bundle, array $options = array()) {
parent::__construct('node', $bundle, $options);
}
/**
* Returns a list of fields available to be mapped for the node type (bundle)
*
* @param Migration $migration
* Optionally, the migration containing this destination.
*
* @return array
* Keys: machine names of the fields (to be passed to addFieldMapping)
* Values: Human-friendly descriptions of the fields.
*/
public function fields($migration = NULL) {
$fields = array();
// First the core (node table) properties
$fields['nid'] = t('Node: <a href="@doc">Existing node ID</a>', array(
'@doc' => 'http://drupal.org/node/1349696#nid',
));
$node_type = node_type_load($this->bundle);
if ($node_type->has_title) {
$fields['title'] = t('Node: <a href="@doc">', array(
'@doc' => 'http://drupal.org/node/1349696#title',
)) . $node_type->title_label . '</a>';
}
$fields['uid'] = t('<a href="@doc">Authored by (uid)</a>', array(
'@doc' => 'http://drupal.org/node/1349696#uid',
));
$fields['created'] = t('<a href="@doc">Created timestamp</a>', array(
'@doc' => 'http://drupal.org/node/1349696#created',
));
$fields['changed'] = t('<a href="@doc">Modified timestamp</a>', array(
'@doc' => 'http://drupal.org/node/1349696#changed',
));
$fields['status'] = t('<a href="@doc">Published</a>', array(
'@doc' => 'http://drupal.org/node/1349696#status',
));
$fields['promote'] = t('<a href="@doc">Promoted to front page</a>', array(
'@doc' => 'http://drupal.org/node/1349696#promote',
));
$fields['sticky'] = t('<a href="@doc">Sticky at top of lists</a>', array(
'@doc' => 'http://drupal.org/node/1349696#sticky',
));
$fields['revision'] = t('<a href="@doc">Create new revision</a>', array(
'@doc' => 'http://drupal.org/node/1349696#revision',
));
$fields['log'] = t('<a href="@doc">Revision Log message</a>', array(
'@doc' => 'http://drupal.org/node/1349696#log',
));
$fields['language'] = t('<a href="@doc">Language (fr, en, ...)</a>', array(
'@doc' => 'http://drupal.org/node/1349696#language',
));
$fields['tnid'] = t('<a href="@doc">The translation set id for this node</a>', array(
'@doc' => 'http://drupal.org/node/1349696#tnid',
));
$fields['translate'] = t('<a href="@doc">A boolean indicating whether this translation page needs to be updated</a>', array(
'@doc' => 'http://drupal.org/node/1349696#translate',
));
$fields['revision_uid'] = t('<a href="@doc">Modified (uid)</a>', array(
'@doc' => 'http://drupal.org/node/1349696#revision_uid',
));
$fields['is_new'] = t('Option: <a href="@doc">Indicates a new node with the specified nid should be created</a>', array(
'@doc' => 'http://drupal.org/node/1349696#is_new',
));
// Then add in anything provided by handlers
$fields += migrate_handler_invoke_all('Entity', 'fields', $this->entityType, $this->bundle, $migration);
$fields += migrate_handler_invoke_all('Node', 'fields', $this->entityType, $this->bundle, $migration);
return $fields;
}
/**
* Delete a batch of nodes at once.
*
* @param $nids
* Array of node IDs to be deleted.
*/
public function bulkRollback(array $nids) {
migrate_instrument_start('node_delete_multiple');
$this
->prepareRollback($nids);
node_delete_multiple($nids);
$this
->completeRollback($nids);
migrate_instrument_stop('node_delete_multiple');
}
/**
* Import a single node.
*
* @param $node
* Node object to build. Prefilled with any fields mapped in the Migration.
* @param $row
* Raw source data object - passed through to prepare/complete handlers.
*
* @return array
* Array of key fields (nid only in this case) of the node that was saved if
* successful. FALSE on failure.
*/
public function import(stdClass $node, stdClass $row) {
// Updating previously-migrated content?
$migration = Migration::currentMigration();
if (isset($row->migrate_map_destid1) && !$this->bypassDestIdCheck) {
// Make sure is_new is off
$node->is_new = FALSE;
if (isset($node->nid)) {
if ($node->nid != $row->migrate_map_destid1) {
throw new MigrateException(t("Incoming nid !nid and map destination nid !destid1 don't match", array(
'!nid' => $node->nid,
'!destid1' => $row->migrate_map_destid1,
)));
}
}
else {
$node->nid = $row->migrate_map_destid1;
}
// Get the existing vid, tnid so updates don't generate notices
$values = db_select('node', 'n')
->fields('n', array(
'vid',
'tnid',
))
->condition('nid', $node->nid)
->execute()
->fetchAssoc();
if (empty($values)) {
throw new MigrateException(t("Incoming node ID !nid no longer exists", array(
'!nid' => $node->nid,
)));
}
$node->vid = $values['vid'];
if (empty($node->tnid)) {
$node->tnid = $values['tnid'];
}
}
if ($migration
->getSystemOfRecord() == Migration::DESTINATION) {
if (!isset($node->nid)) {
throw new MigrateException(t('System-of-record is DESTINATION, but no destination nid provided'));
}
$old_node = node_load($node->nid);
if (empty($old_node)) {
throw new MigrateException(t('System-of-record is DESTINATION, but node !nid does not exist', array(
'!nid' => $node->nid,
)));
}
if (!isset($node->created)) {
$node->created = $old_node->created;
}
if (!isset($node->vid)) {
$node->vid = $old_node->vid;
}
if (!isset($node->status)) {
$node->status = $old_node->status;
}
if (!isset($node->uid)) {
$node->uid = $old_node->uid;
}
}
if (!isset($node->type)) {
// Default the type to our designated destination bundle (by doing this
// conditionally, we permit some flexibility in terms of implementing
// migrations which can affect more than one type).
$node->type = $this->bundle;
}
// Set some required properties.
if ($migration
->getSystemOfRecord() == Migration::SOURCE) {
if (empty($node->language)) {
$node->language = $this->language;
}
// Apply defaults, allow standard node prepare hooks to fire.
// node_object_prepare() will blow these away, so save them here and
// stuff them in later if need be.
if (isset($node->created)) {
$created = MigrationBase::timestamp($node->created);
}
else {
// To keep node_object_prepare() from choking
$node->created = REQUEST_TIME;
}
if (isset($node->changed)) {
$changed = MigrationBase::timestamp($node->changed);
}
if (isset($node->uid)) {
$uid = $node->uid;
}
if (isset($node->revision)) {
$revision = $node->revision;
}
node_object_prepare($node);
if (isset($created)) {
$node->created = $created;
}
// No point to resetting $node->changed here, node_save() will overwrite it
if (isset($uid)) {
$node->uid = $uid;
}
if (isset($revision)) {
$node->revision = $revision;
}
}
// Invoke migration prepare handlers
$this
->prepare($node, $row);
if (!isset($node->revision)) {
$node->revision = 0;
// Saves disk space and writes. Can be overridden.
}
// Trying to update an existing node
if ($migration
->getSystemOfRecord() == Migration::DESTINATION) {
// Incoming data overrides existing data, so only copy non-existent fields
foreach ($old_node as $field => $value) {
// An explicit NULL in the source data means to wipe to old value (i.e.,
// don't copy it over from $old_node)
if (property_exists($node, $field) && $node->{$field} === NULL) {
// Ignore this field
}
elseif (!isset($node->{$field})) {
$node->{$field} = $old_node->{$field};
}
}
}
if (isset($node->nid) && !(isset($node->is_new) && $node->is_new)) {
$updating = TRUE;
}
else {
$updating = FALSE;
}
// Make sure that if is_new is not TRUE, it is not present.
if (isset($node->is_new) && empty($node->is_new)) {
unset($node->is_new);
}
// Validate field data prior to saving.
MigrateDestinationEntity::fieldAttachValidate('node', $node);
migrate_instrument_start('node_save');
node_save($node);
migrate_instrument_stop('node_save');
if (isset($node->nid)) {
if ($updating) {
$this->numUpdated++;
}
else {
$this->numCreated++;
}
// Unfortunately, http://drupal.org/node/722688 was not accepted, so fix
// the changed timestamp
if (isset($changed)) {
db_update('node')
->fields(array(
'changed' => $changed,
))
->condition('nid', $node->nid)
->execute();
$node->changed = $changed;
}
// Potentially fix uid and timestamp in node_revisions.
$query = db_update('node_revision')
->condition('vid', $node->vid);
if (isset($changed)) {
$fields['timestamp'] = $changed;
}
$revision_uid = isset($node->revision_uid) ? $node->revision_uid : $node->uid;
if ($revision_uid != $GLOBALS['user']->uid) {
$fields['uid'] = $revision_uid;
}
if (!empty($fields)) {
// We actually have something to update.
$query
->fields($fields);
$query
->execute();
if (isset($changed)) {
$node->timestamp = $changed;
}
}
$return = array(
$node->nid,
);
}
else {
$return = FALSE;
}
$this
->complete($node, $row);
return $return;
}
}
/**
* Allows you to import revisions.
*
* Adapted from
* http://www.darrenmothersele.com/blog/2012/07/16/migrating-node-revisions-drupal-7/
*
* Class MigrateDestinationNodeRevision
*
* @author darrenmothersele
* @author cthos
*/
class MigrateDestinationNodeRevision extends MigrateDestinationNode {
/**
* Basic initialization.
*
* @see parent::__construct
*
* @param string $bundle
* A.k.a. the content type (page, article, etc.) of the node.
* @param array $options
* Options applied to nodes.
*/
public function __construct($bundle, array $options = array()) {
parent::__construct($bundle, $options);
$this->bypassDestIdCheck = TRUE;
}
/**
* Get key schema for the node revision destination.
*
* @see MigrateDestination::getKeySchema
*
* @return array
* Returns the key schema.
*/
public static function getKeySchema() {
return array(
'vid' => array(
'type' => 'int',
'unsigned' => TRUE,
'description' => 'ID of destination node revision',
),
);
}
/**
* Returns additional fields on top of node destinations.
*
* @param string $migration
* Active migration
*
* @return array
* Fields.
*/
public function fields($migration = NULL) {
$fields = parent::fields($migration);
$fields['vid'] = t('Node: <a href="@doc">Revision (vid)</a>', array(
'@doc' => 'http://drupal.org/node/1298724',
));
return $fields;
}
/**
* Rolls back any versions that have been created.
*
* @param array $vids
* Version ids to roll back.
*/
public function bulkRollback(array $vids) {
migrate_instrument_start('revision_delete_multiple');
$this
->prepareRollback($vids);
$nids = array();
foreach ($vids as $vid) {
if ($revision = node_load(NULL, $vid)) {
db_delete('node_revision')
->condition('vid', $revision->vid)
->execute();
module_invoke_all('node_revision_delete', $revision);
field_attach_delete_revision('node', $revision);
$nids[$revision->nid] = $revision->nid;
}
}
$this
->completeRollback($vids);
foreach ($nids as $nid) {
$vid = db_select('node_revision', 'nr')
->fields('nr', array(
'vid',
))
->condition('nid', $nid, '=')
->execute()
->fetchField();
if (!empty($vid)) {
db_update('node')
->fields(array(
'vid' => $vid,
))
->condition('nid', $nid, '=')
->execute();
}
}
migrate_instrument_stop('revision_delete_multiple');
}
/**
* Overridden import method.
*
* This is done because parent::import will return the nid of the newly
* created nodes. This is bad since the migrate_map_* table will have
* nids instead of vids, which could cause a nightmare explosion on
* rollback.
*
* @param stdClass $node
* Populated entity.
*
* @param stdClass $row
* Source information in object format.
*
* @return array|bool
* Array with newly created vid, or FALSE on error.
*
* @throws MigrateException
*/
public function import(stdClass $node, stdClass $row) {
// We're importing revisions, this should be set.
$node->revision = 1;
if (empty($node->nid)) {
throw new MigrateException(t('Missing incoming nid.'));
}
$original_updated = $this->numUpdated;
parent::import($node, $row);
// Reset num updated and increment created since new revision is always an update.
$this->numUpdated = $original_updated;
$this->numCreated++;
if (empty($node->vid)) {
return FALSE;
}
return array(
$node->vid,
);
}
}
Classes
Name | Description |
---|---|
MigrateDestinationNode | Destination class implementing migration into nodes. |
MigrateDestinationNodeRevision | Allows you to import revisions. |