/**
* Import a WXR file
*/
private function import_wxr($file, $args)
{
$wp_import = new WP_Import();
$import_data = $wp_import->parse($file);
if (is_wp_error($import_data)) {
return $import_data;
}
// Prepare the data to be used in process_author_mapping();
$wp_import->get_authors_from_import($import_data);
$author_data = array();
foreach ($wp_import->authors as $wxr_author) {
$author = new \stdClass();
// Always in the WXR
$author->user_login = $wxr_author['author_login'];
// Should be in the WXR; no guarantees
if (isset($wxr_author['author_email'])) {
$author->user_email = $wxr_author['author_email'];
}
if (isset($wxr_author['author_display_name'])) {
$author->display_name = $wxr_author['author_display_name'];
}
if (isset($wxr_author['author_first_name'])) {
$author->first_name = $wxr_author['author_first_name'];
}
if (isset($wxr_author['author_last_name'])) {
$author->last_name = $wxr_author['author_last_name'];
}
$author_data[] = $author;
}
// Build the author mapping
$author_mapping = $this->process_author_mapping($args['authors'], $author_data);
if (is_wp_error($author_mapping)) {
return $author_mapping;
}
$author_in = wp_list_pluck($author_mapping, 'old_user_login');
$author_out = wp_list_pluck($author_mapping, 'new_user_login');
// $user_select needs to be an array of user IDs
$user_select = array();
$invalid_user_select = array();
foreach ($author_out as $author_login) {
$user = get_user_by('login', $author_login);
if ($user) {
$user_select[] = $user->ID;
} else {
$invalid_user_select[] = $author_login;
}
}
if (!empty($invalid_user_select)) {
return new WP_Error('invalid-author-mapping', sprintf("These user_logins are invalid: %s", implode(',', $invalid_user_select)));
}
// Drive the import
$wp_import->fetch_attachments = !in_array('attachment', $args['skip']);
$_GET = array('import' => 'wordpress', 'step' => 2);
$_POST = array('imported_authors' => $author_in, 'user_map' => $user_select, 'fetch_attachments' => $wp_import->fetch_attachments);
if (in_array('image_resize', $args['skip'])) {
add_filter('intermediate_image_sizes_advanced', array($this, 'filter_set_image_sizes'));
}
$wp_import->import($file);
return true;
}
protected function do_import_posts($cfg, $import_options = array('current_user' => true))
{
$file = $cfg['file'];
$import_adventure_data = false;
// $GLOBALS['wp_import'] is required for vafpress
if (!empty($GLOBALS['wp_import'])) {
$import = $GLOBALS['wp_import'];
} else {
$GLOBALS['wp_import'] = $import = new WP_Import();
}
// authors processing [start]
$mapping_uid = get_current_user_id();
if (empty($import_options['current_user'])) {
$mapping_uid = 0;
if (empty($import_options['another_user'])) {
throw new Exception('Please enter username for an author.');
} else {
$another_username = $import_options['another_user'];
$existing_user = get_user_by('login', $another_username);
if ($existing_user) {
$mapping_uid = $existing_user->ID;
} else {
$mapping_uid = wp_create_user($another_username, wp_generate_password());
if (is_wp_error($mapping_uid)) {
throw new Exception(sprintf('Can not create new user "%s": %s.', $another_username, $mapping_uid->get_error_message()));
}
}
}
}
$file_authors = array();
if (isset($this->file_authors_cache[$file])) {
$file_authors = $this->file_authors_cache[$file];
} else {
// retrivind author list from data file
if (isset($_POST['imported_authors'])) {
unset($_POST['imported_authors']);
}
$import_data = $import->parse($file);
if (is_wp_error($import_data)) {
throw new Exception(sprintf('Unexpected import error: %s.', esc_html($import_data->get_error_message())));
}
$import->get_authors_from_import($import_data);
$this->file_authors_cache[$file] = $file_authors = $import->authors;
}
$authors_mapping = array();
if ($file_authors) {
foreach ($file_authors as $_login => $_details) {
$authors_mapping[sanitize_user($_login, true)] = $mapping_uid;
}
}
$import->author_mapping = $authors_mapping;
// authors processing [end]
$this->filter_types_only = empty($import_options['allowed_types']) ? array() : (array) $import_options['allowed_types'];
$filter_posts_hook = array($this, 'filter_wp_import_posts');
add_filter('wp_import_posts', $filter_posts_hook);
if (!$this->filter_types_only || in_array('post', $this->filter_types_only)) {
$this->allow_categories_import = true;
}
$filter_categories_hook = array($this, 'filter_wp_import_categories');
add_filter('wp_import_categories', $filter_categories_hook);
if (!$this->filter_types_only || in_array('product', $this->filter_types_only)) {
$this->allow_product_terms = true;
$import_adventure_data = !empty($cfg['file_adventure_addons']);
}
$filter_terms_hook = array($this, 'filter_wp_import_terms');
add_filter('wp_import_terms', $filter_terms_hook);
$filter_postmeta_key = array($this, 'filter_wp_postmeta_key');
add_filter('import_post_meta_key', $filter_postmeta_key, 20, 3);
ob_start();
$import->fetch_attachments = false;
$import->import($file);
if ($import_adventure_data) {
$this->do_import_adventure_data($cfg['file_adventure_addons']);
}
$output = ob_get_clean();
remove_filter('wp_import_posts', $filter_posts_hook);
remove_filter('wp_import_categories', $filter_categories_hook);
remove_filter('wp_import_terms', $filter_terms_hook);
remove_filter('import_post_meta_key', $filter_postmeta_key, 20);
return $output;
}