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<title>[2172] 2013/frederickding/importer/trunk/class-wordpress-importer.php: Ported `process_menu_item()` and `fetch_remote_file()` from non-cron importer.</title>
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<dt>Revision</dt> <dd><a href="http://gsoc.trac.wordpress.org/changeset/2172">2172</a></dd>
<dt>Author</dt> <dd>frederick.ding</dd>
<dt>Date</dt> <dd>2013-07-29 06:23:42 +0000 (Mon, 29 Jul 2013)</dd>
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<h3>Log Message</h3>
<pre>Ported `process_menu_item()` and `fetch_remote_file()` from non-cron importer.
- Includes a few changes to use the `$this->warnings` queue
- See <a href="http://gsoc.trac.wordpress.org/ticket/327">#327</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#2013frederickdingimportertrunkclasswordpressimporterphp">2013/frederickding/importer/trunk/class-wordpress-importer.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="2013frederickdingimportertrunkclasswordpressimporterphp"></a>
<div class="modfile"><h4>Modified: 2013/frederickding/importer/trunk/class-wordpress-importer.php (2171 => 2172)</h4>
<pre class="diff"><span>
<span class="info">--- 2013/frederickding/importer/trunk/class-wordpress-importer.php 2013-07-29 06:02:06 UTC (rev 2171)
+++ 2013/frederickding/importer/trunk/class-wordpress-importer.php 2013-07-29 06:23:42 UTC (rev 2172)
</span><span class="lines">@@ -150,6 +150,27 @@
</span><span class="cx"> protected $processed_featured_images = array();
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ *
+ * @see process_menu_item()
+ * @var array
+ */
+ protected $processed_menu_items = array();
+
+ /**
+ *
+ * @see process_menu_item()
+ * @var array
+ */
+ protected $processed_menu_missing_items = array();
+
+ /**
+ *
+ * @see fetch_remote_file()
+ * @var array
+ */
+ protected $processed_url_remap = array();
+
+ /**
</ins><span class="cx"> * Stores user-submitted choices on how to proceed with the process.
</span><span class="cx"> *
</span><span class="cx"> * The first dimension of this array is
</span><span class="lines">@@ -723,18 +744,110 @@
</span><span class="cx"> $parts_new = pathinfo( $upload['url'] );
</span><span class="cx"> $name_new = basename( $parts_new['basename'], ".{$parts_new['extension']}" );
</span><span class="cx">
</span><del>- $this->url_remap[$parts['dirname'] . '/' . $name] = $parts_new['dirname'] . '/' . $name_new;
</del><ins>+ $this->processed_url_remap[$parts['dirname'] . '/' . $name] = $parts_new['dirname'] . '/' . $name_new;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> return $post_id;
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * Attempt to create a new menu item from import data
</ins><span class="cx"> *
</span><del>- * @todo
</del><ins>+ * Fails for draft, orphaned menu items and those without an associated nav_menu
+ * or an invalid nav_menu term. If the post type or term object which the menu item
+ * represents doesn't exist then the menu item will not be imported (waits until the
+ * end of the import to retry again before discarding).
+ *
+ * @param array $item Menu item details from WXR file
+ * @return int|WP_Error
</ins><span class="cx"> */
</span><del>- protected function process_menu_item() {}
</del><ins>+ protected function process_menu_item( $item ) {
+ // skip draft, orphaned menu items
+ if ( 'draft' == $item['status'] )
+ return 0;
</ins><span class="cx">
</span><ins>+ $menu_slug = false;
+ if ( isset($item['terms']) ) {
+ // loop through terms, assume first nav_menu term is correct menu
+ foreach ( $item['terms'] as $term ) {
+ if ( 'nav_menu' == $term['domain'] ) {
+ $menu_slug = $term['slug'];
+ break;
+ }
+ }
+ }
+
+ // no nav_menu term associated with this menu item
+ if ( ! $menu_slug ) {
+ $this->warnings[] = new WP_Error(
+ 'import_process_menu_item_slug_warning',
+ __( 'Menu item skipped due to missing menu slug',
+ 'wordpress-importer' ) );
+ return 0;
+ }
+
+ $menu_id = term_exists( $menu_slug, 'nav_menu' );
+ if ( ! $menu_id ) {
+ $this->warnings[] = new WP_Error(
+ 'import_process_menu_item_slug_warning',
+ sprintf(
+ __(
+ 'Menu item skipped due to invalid menu slug: %s',
+ 'wordpress-importer' ),
+ esc_html( $menu_slug ) ) );
+ return 0;
+ } else {
+ $menu_id = is_array( $menu_id ) ? $menu_id['term_id'] : $menu_id;
+ }
+
+ foreach ( $item['postmeta'] as $meta )
+ $$meta['key'] = $meta['value'];
+
+ if ( 'taxonomy' == $_menu_item_type && isset( $this->processed_terms[intval($_menu_item_object_id)] ) ) {
+ $_menu_item_object_id = $this->processed_terms[intval($_menu_item_object_id)];
+ } else if ( 'post_type' == $_menu_item_type && isset( $this->processed_posts[intval($_menu_item_object_id)] ) ) {
+ $_menu_item_object_id = $this->processed_posts[intval($_menu_item_object_id)];
+ } else if ( 'custom' != $_menu_item_type ) {
+ // associated object is missing or not imported yet, we'll retry later
+ $this->processed_menu_missing_items[] = $item;
+ return;
+ }
+
+ if ( isset( $this->processed_menu_items[intval($_menu_item_menu_item_parent)] ) ) {
+ $_menu_item_menu_item_parent = $this->processed_menu_items[intval($_menu_item_menu_item_parent)];
+ } else if ( $_menu_item_menu_item_parent ) {
+ $this->menu_item_orphans[intval($item['post_id'])] = (int) $_menu_item_menu_item_parent;
+ $_menu_item_menu_item_parent = 0;
+ }
+
+ // wp_update_nav_menu_item expects CSS classes as a space separated string
+ $_menu_item_classes = maybe_unserialize( $_menu_item_classes );
+ if ( is_array( $_menu_item_classes ) )
+ $_menu_item_classes = implode( ' ', $_menu_item_classes );
+
+ $args = array(
+ 'menu-item-object-id' => $_menu_item_object_id,
+ 'menu-item-object' => $_menu_item_object,
+ 'menu-item-parent-id' => $_menu_item_menu_item_parent,
+ 'menu-item-position' => intval( $item['menu_order'] ),
+ 'menu-item-type' => $_menu_item_type,
+ 'menu-item-title' => $item['post_title'],
+ 'menu-item-url' => $_menu_item_url,
+ 'menu-item-description' => $item['post_content'],
+ 'menu-item-attr-title' => $item['post_excerpt'],
+ 'menu-item-target' => $_menu_item_target,
+ 'menu-item-classes' => $_menu_item_classes,
+ 'menu-item-xfn' => $_menu_item_xfn,
+ 'menu-item-status' => $item['status']
+ );
+
+ $id = wp_update_nav_menu_item( $menu_id, 0, $args );
+ if ( $id && ! is_wp_error( $id ) )
+ $this->processed_menu_items[intval($item['post_id'])] = (int) $id;
+
+ return $id;
+ }
+
</ins><span class="cx"> /**
</span><span class="cx"> * Creates new posts based on import data.
</span><span class="cx"> *
</span><span class="lines">@@ -1085,6 +1198,89 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> /**
</span><ins>+ * Attempt to download a remote file attachment
+ *
+ * @param string $url
+ * URL of item to fetch
+ * @param array $post
+ * Attachment details
+ * @return array WP_Error file location details on success, WP_Error
+ * otherwise
+ */
+ protected function fetch_remote_file( $url, $post ) {
+ // extract the file name and extension from the url
+ $file_name = basename( $url );
+
+ // get placeholder file in the upload dir with a unique, sanitized
+ // filename
+ $upload = wp_upload_bits( $file_name, 0, '', $post['upload_date'] );
+ if ( $upload['error'] )
+ return new WP_Error( 'upload_dir_error', $upload['error'] );
+
+ // fetch the remote url and write it to the placeholder file
+ $headers = wp_get_http( $url, $upload['file'] );
+
+ // request failed
+ if ( ! $headers ) {
+ @unlink( $upload['file'] );
+ return new WP_Error( 'import_file_error',
+ __( 'Remote server did not respond',
+ 'wordpress-importer' ) );
+ }
+
+ // make sure the fetch was successful
+ if ( $headers['response'] != '200' ) {
+ @unlink( $upload['file'] );
+ return new WP_Error( 'import_file_error',
+ sprintf(
+ __(
+ 'Remote server returned error response %1$d %2$s',
+ 'wordpress-importer' ),
+ esc_html( $headers['response'] ),
+ get_status_header_desc( $headers['response'] ) ) );
+ }
+
+ $filesize = filesize( $upload['file'] );
+
+ if ( isset( $headers['content-length'] ) &&
+ $filesize != $headers['content-length'] ) {
+ @unlink( $upload['file'] );
+ return new WP_Error( 'import_file_error',
+ __( 'Remote file is incorrect size',
+ 'wordpress-importer' ) );
+ }
+
+ if ( 0 == $filesize ) {
+ @unlink( $upload['file'] );
+ return new WP_Error( 'import_file_error',
+ __( 'Zero size file downloaded', 'wordpress-importer' ) );
+ }
+
+ $max_size = (int) $this->max_attachment_size();
+ if ( ! empty( $max_size ) && $filesize > $max_size ) {
+ @unlink( $upload['file'] );
+ return new WP_Error( 'import_file_error',
+ sprintf(
+ __( 'Remote file is too large, limit is %s',
+ 'wordpress-importer' ),
+ size_format( $max_size ) ) );
+ }
+
+ // keep track of the old and new urls so we can substitute them later
+ $this->processed_url_remap[$url] = $upload['url'];
+ $this->processed_url_remap[$post['guid']] = $upload['url'];
+ // r13735, really needed?
+ // ^ keep track of the destination if the remote url is redirected
+ // somewhere else
+
+ if ( isset( $headers['x-final-location'] ) &&
+ $headers['x-final-location'] != $url )
+ $this->processed_url_remap[$headers['x-final-location']] = $upload['url'];
+
+ return $upload;
+ }
+
+ /**
</ins><span class="cx"> * Decide if the given meta key maps to information we will want to import
</span><span class="cx"> *
</span><span class="cx"> * @param string $key
</span></span></pre>
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