/**
* Create the map and message tables if they don't already exist.
*/
protected function ensureTables()
{
if (!$this->getDatabase()->schema()->tableExists($this->mapTableName)) {
// Generate appropriate schema info for the map and message tables,
// and map from the source field names to the map/msg field names.
$count = 1;
$source_id_schema = array();
$pks = array();
foreach ($this->migration->getSourcePlugin()->getIds() as $id_definition) {
$mapkey = 'sourceid' . $count++;
$source_id_schema[$mapkey] = $this->getFieldSchema($id_definition);
$pks[] = $mapkey;
}
$fields = $source_id_schema;
// Add destination identifiers to map table.
// TODO: How do we discover the destination schema?
$count = 1;
foreach ($this->migration->getDestinationPlugin()->getIds() as $id_definition) {
// Allow dest identifier fields to be NULL (for IGNORED/FAILED
// cases).
$mapkey = 'destid' . $count++;
$fields[$mapkey] = $this->getFieldSchema($id_definition);
$fields[$mapkey]['not null'] = FALSE;
}
$fields['source_row_status'] = array('type' => 'int', 'size' => 'tiny', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => MigrateIdMapInterface::STATUS_IMPORTED, 'description' => 'Indicates current status of the source row');
$fields['rollback_action'] = array('type' => 'int', 'size' => 'tiny', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => MigrateIdMapInterface::ROLLBACK_DELETE, 'description' => 'Flag indicating what to do for this item on rollback');
$fields['last_imported'] = array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'description' => 'UNIX timestamp of the last time this row was imported');
$fields['hash'] = array('type' => 'varchar', 'length' => '64', 'not null' => FALSE, 'description' => 'Hash of source row data, for detecting changes');
$schema = array('description' => 'Mappings from source identifier value(s) to destination identifier value(s).', 'fields' => $fields);
if ($pks) {
$schema['primary key'] = $pks;
}
$this->getDatabase()->schema()->createTable($this->mapTableName, $schema);
// Now do the message table.
if (!$this->getDatabase()->schema()->tableExists($this->messageTableName())) {
$fields = array();
$fields['msgid'] = array('type' => 'serial', 'unsigned' => TRUE, 'not null' => TRUE);
$fields += $source_id_schema;
$fields['level'] = array('type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 1);
$fields['message'] = array('type' => 'text', 'size' => 'medium', 'not null' => TRUE);
$schema = array('description' => 'Messages generated during a migration process', 'fields' => $fields, 'primary key' => array('msgid'));
if ($pks) {
$schema['indexes']['sourcekey'] = $pks;
}
$this->getDatabase()->schema()->createTable($this->messageTableName(), $schema);
}
} else {
// Add any missing columns to the map table.
if (!$this->getDatabase()->schema()->fieldExists($this->mapTableName, 'rollback_action')) {
$this->getDatabase()->schema()->addField($this->mapTableName, 'rollback_action', array('type' => 'int', 'size' => 'tiny', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'description' => 'Flag indicating what to do for this item on rollback'));
}
if (!$this->getDatabase()->schema()->fieldExists($this->mapTableName, 'hash')) {
$this->getDatabase()->schema()->addField($this->mapTableName, 'hash', array('type' => 'varchar', 'length' => '64', 'not null' => FALSE, 'description' => 'Hash of source row data, for detecting changes'));
}
}
}
/**
* Performs an import operation - migrate items from source to destination.
*/
public function import()
{
// Knock off migration if the requirements haven't been met.
if (!$this->migration->checkRequirements()) {
$this->message->display($this->t('Migration @id did not meet the requirements', array('@id' => $this->migration->id())), 'error');
return MigrationInterface::RESULT_FAILED;
}
$return = MigrationInterface::RESULT_COMPLETED;
$source = $this->getSource();
$id_map = $this->migration->getIdMap();
try {
$source->rewind();
} catch (\Exception $e) {
$this->message->display($this->t('Migration failed with source plugin exception: !e', array('!e' => $e->getMessage())), 'error');
return MigrationInterface::RESULT_FAILED;
}
$destination = $this->migration->getDestinationPlugin();
while ($source->valid()) {
$row = $source->current();
if ($this->sourceIdValues = $row->getSourceIdValues()) {
// Wipe old messages, and save any new messages.
$id_map->delete($this->sourceIdValues, TRUE);
$this->saveQueuedMessages();
}
try {
$this->processRow($row);
$save = TRUE;
} catch (MigrateSkipRowException $e) {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_IGNORED, $this->rollbackAction);
$save = FALSE;
}
if ($save) {
try {
$destination_id_values = $destination->import($row, $id_map->lookupDestinationId($this->sourceIdValues));
if ($destination_id_values) {
// We do not save an idMap entry for config.
if ($destination_id_values !== TRUE) {
$id_map->saveIdMapping($row, $destination_id_values, $this->sourceRowStatus, $this->rollbackAction);
}
$this->successesSinceFeedback++;
$this->totalSuccesses++;
} else {
$id_map->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED, $this->rollbackAction);
if (!$id_map->messageCount()) {
$message = $this->t('New object was not saved, no error provided');
$this->saveMessage($message);
$this->message->display($message);
}
}
} catch (MigrateException $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), $e->getStatus(), $this->rollbackAction);
$this->saveMessage($e->getMessage(), $e->getLevel());
$this->message->display($e->getMessage(), 'error');
} catch (\Exception $e) {
$this->migration->getIdMap()->saveIdMapping($row, array(), MigrateIdMapInterface::STATUS_FAILED, $this->rollbackAction);
$this->handleException($e);
}
}
$this->totalProcessed++;
$this->processedSinceFeedback++;
if ($highwater_property = $this->migration->get('highwaterProperty')) {
$this->migration->saveHighwater($row->getSourceProperty($highwater_property['name']));
}
// Reset row properties.
unset($sourceValues, $destinationValues);
$this->sourceRowStatus = MigrateIdMapInterface::STATUS_IMPORTED;
if (($return = $this->checkStatus()) != MigrationInterface::RESULT_COMPLETED) {
break;
}
if ($this->timeOptionExceeded()) {
break;
}
try {
$source->next();
} catch (\Exception $e) {
$this->message->display($this->t('Migration failed with source plugin exception: !e', array('!e' => $e->getMessage())), 'error');
return MigrationInterface::RESULT_FAILED;
}
}
/**
* @TODO uncomment this
*/
#$this->progressMessage($return);
return $return;
}