Drupal 7では、ノード変換を使用して、ノードのコンテンツタイプを簡単に切り替えることができます。ただし、Node ConvertはDrupal 8に移植されておらず、移植に対する熱意もそれほど高くないようです。
同じフィールドを持つ2つのコンテンツタイプがある場合、Drupal 8でノードをコンテンツタイプから別のコンテンツタイプに変換するにはどうすればよいですか?ノード変換モジュールで使用される次のDrupal 7コードと同等の、Drupal 8に使用するコードは何ですか?(node_convert.util.incを参照node_convert_node_convert()
してください。)
// $nid, $destination_node_type, $source_fields, $destination_fields,
// $no_fields_flag, and $hook_options are the parameters passed to the function.
$node = node_load($nid);
if ($node == FALSE) {
return FALSE;
}
// Change the node type in the DB
db_update('node')->fields(array('type' => $destination_node_type))->condition('nid', $nid)->execute();
// If there are fields that can be converted
if ($no_fields_flag == FALSE) {
// Conversion process for each field
$re_save_body_field = FALSE;
// Use node revisions to extract all field revision in node_convert_field_convert
$node_revisions = node_revision_list($node);
foreach ($source_fields as $key => $field) {
$replaced_body = node_convert_field_convert($node, $field, $destination_fields[$key], $destination_node_type, $node_revisions);
if ($replaced_body == REPLACE_BODY) {
$re_save_body_field = TRUE;
}
}
// If something was appended to the body, or replaced the body, we update body field.
if ($re_save_body_field == TRUE) {
$field_body = field_info_fields();
$field_body = $field_body['body'];
$field_ids = array($field_body['id'] => $field_body['id']);
module_invoke($field_body['storage']['module'], 'field_storage_write', 'node', $node, FIELD_STORAGE_UPDATE, $field_ids);
}
}
// Omissis.
// Clear the node cache, so we have the latest information when saving the
// node.
$controller = entity_get_controller('node');
/* @var $controller DrupalEntityControllerInterface */
$controller->resetCache(array($node->nid));
cache_clear_all('field:node:' . $node->nid, 'cache_field');
node_convert_field_convert()
次のコードが含まれています。
// &$node, $source_field, $destination_field, $destination_node_type,
// and $node_revisions are the parameters passed to node_convert_field_convert().
$field_info_source = field_info_fields(); // Get source field information
$field_info_source = $field_info_source[$source_field];
$db_info_source = $field_info_source['storage']; // Get DB specific source field information
if ($destination_field == 'discard') {
// Delete node info in the separate field table
node_convert_invoke_field_storage_delete($field_info_source, $db_info_source, $node);
return NULL;
}
$field_info_destination = array();
$db_info_destination = array();
if (!in_array($destination_field, array('discard', APPEND_TO_BODY, REPLACE_BODY))) {
$field_info_destination = field_info_fields($destination_field); // Get destination field information
$field_info_destination = $field_info_destination[$destination_field]; // Get destination field information
$db_info_destination = $field_info_destination['storage']; // Get DB specific destination field information
}
// We save each field value from the DB for transfer. (this only applies to the current revision of the field)
$source_values = field_get_items('node', $node, $source_field);
if (count($node_revisions) > 1 && !in_array($destination_field, array(APPEND_TO_BODY, REPLACE_BODY))) {
// Get all field revisions for current node
$field_revision_values = array();
$field_revision_source_table = current(array_keys($db_info_source['details']['sql']['FIELD_LOAD_REVISION']));
$field_revision_destination_table = current(array_keys($db_info_destination['details']['sql']['FIELD_LOAD_REVISION']));
$source_columns = array('entity_type', 'entity_id', 'revision_id', 'bundle', 'delta', 'language');
foreach ($field_info_source['columns'] as $column => $attributes) {
$source_columns[] = _field_sql_storage_columnname($source_field, $column);
}
$revision_query = db_select($field_revision_source_table, 'r', array('fetch' => PDO::FETCH_ASSOC))
->condition('entity_type', 'node')
->condition('bundle', $node->type)
->condition('entity_id', $node->nid)
->condition('revision_id', $node->vid, '<>')
->fields('r', $source_columns)->execute();
// Change the bundle to the destination type of the node
foreach ($revision_query as $row) {
$row['bundle'] = $destination_node_type;
$field_revision_values[] = $row;
}
// Remove all field revisions for current field in DB
node_convert_invoke_field_storage_delete($field_info_source, $db_info_source, $node);
// Reinsert the field revisions in the destination field revision table
$query = db_insert($field_revision_destination_table);
$columns = array('entity_type', 'entity_id', 'revision_id', 'bundle', 'delta', 'language');
foreach ($field_info_destination['columns'] as $column => $attributes) {
$columns[] = _field_sql_storage_columnname($destination_field, $column);
}
$query->fields($columns);
foreach ($field_revision_values as $row) {
$query->values(array_values($row));
}
$query->execute();
}
else {
// After getting the source field values, we delete the values stored in the DB (this deletes values for all field revisions)
node_convert_invoke_field_storage_delete($field_info_source, $db_info_source, $node);
}
// The source field value should be appended to the body or replaced.
if ($destination_field == APPEND_TO_BODY || $destination_field == REPLACE_BODY) {
static $node_body = '';
//static $node_teaser = '';
// We try to get the node body from a static variable, which means we did some body manipulations, otherwise load it.
if (empty($node_body)) {
$node_body_field = field_get_items('node', $node, 'body');
$node_body = $node_body_field[0]['value'];
//$node_teaser = $node_body_field[0]['summary'];
}
// Double check we have values in the field.
if (is_array($source_values)) {
// Get the field value.
$field_value = node_convert_format_field_value($node, $field_info_source, TRUE);
if ($destination_field == APPEND_TO_BODY) {
$node_body = $node_body . "\n" . $field_value;
//$node_teaser = $node_teaser . "\n" . $field_value['value'];
}
elseif ($destination_field == REPLACE_BODY) {
$node_body = $field_value;
//$node_teaser = $field_value['value'];
}
$lang_code = field_language('node', $node, $source_field);
$node->body[$lang_code][0]['value'] = $node_body;
//$node->body[$lang_code][0]['summary'] = $node_teaser;
}
return REPLACE_BODY;
}
// We put each field value back into the DB
// To do it we first get the id of the field, then we find its language code from the source value
// We add $source_values into the node object, and invoke field_storage write
$field_ids = array($field_info_destination['id'] => $field_info_destination['id']);
$lang_code = field_language('node', $node, $source_field);
// Make sure that we actually have values in the source field
if ($source_values !== FALSE) {
$node->{$destination_field}[$lang_code] = $source_values;
}
else {
$node->{$destination_field} = array();
}
// Give possibility to fields to pre-process their data
// (e.g., Link module transforms attribute array into a serialized array before insertion)
field_attach_presave('node', $node);
// For some reason link_field_presave doesn't exist anymore, so we have to call it the processing function used inside manually.
if ($field_info_destination['type'] == 'link_field') {
$instances = field_info_instances('node', $destination_node_type);
link_field_update('node', $node, $field_info_destination, $instances[$destination_field], $lang_code, $node->{$destination_field}[$lang_code]);
}
1
基本的にここにモジュールの大部分を投稿し、変換を実行するように依頼しました。Drupal 8バージョンを試してみて、行き詰まったら、ここでより具体的な質問を投稿してみませんか?
—
ベンジー2017年
他の誰かがD7モジュールのコードを投稿して、私の元の質問を強化することを提案しました。私はこれを試してみたいと思いますが、私はプログラマーではないという制限があります。
—
Screenack 2017年
公平に言えば、誰かが出くわして、いつか移植するかもしれません。Drupal8の問題についてコメントしたようです。そうでなければ、あなたはそれを変換するために誰かにお金を払うことができるかもしれません、私はそれがとても長くかかるとは思いません。
—
benjy 2017年