Changeset 31619 for trunk/src/wp-admin/includes/media.php

Timestamp:

03/05/2015 05:34:40 AM (10 years ago)

Author:

wonderboymusic

Message:

Allow attachments to be Detached from their parent in media grid and list modes.

See #6820.

File:

• trunk/src/wp-admin/includes/media.php (modified) (1 diff)

trunk/src/wp-admin/includes/media.php

@@ -3011 +3011 @@
     return $metadata;
 }
+
+/**
+ * Encapsulate logic for Attach/Detach actions
+ *
+ * @since 4.2.0
+ *
+ * @global wpdb $wpdb
+ * @param int    $parent_id
+ * @param string $action
+ */
+function wp_media_attach_action( $parent_id, $action = 'attach' ) {
+    global $wpdb;
+
+    if ( ! $parent_id ) {
+        return;
+    }
+
+    if ( ! current_user_can( 'edit_post', $parent_id ) ) {
+        wp_die( __( 'You are not allowed to edit this post.' ) );
+    }
+    $ids = array();
+    foreach ( (array) $_REQUEST['media'] as $att_id ) {
+        $att_id = (int) $att_id;
+
+        if ( ! current_user_can( 'edit_post', $att_id ) ) {
+            continue;
+        }
+
+        $ids[] = $att_id;
+    }
+
+    if ( ! empty( $ids ) ) {
+        $ids_string = implode( ',', $ids );
+        if ( 'attach' === $action ) {
+            $result = $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->posts SET post_parent = %d WHERE post_type = 'attachment' AND ID IN ( $ids_string )", $parent_id ) );
+        } else {
+            $result = $wpdb->query( "UPDATE $wpdb->posts SET post_parent = 0 WHERE post_type = 'attachment' AND ID IN ( $ids_string )" );
+        }
+
+        foreach ( $ids as $att_id ) {
+            clean_attachment_cache( $att_id );
+        }
+    }
+
+    if ( isset( $result ) ) {
+        $location = 'upload.php';
+        if ( $referer = wp_get_referer() ) {
+            if ( false !== strpos( $referer, 'upload.php' ) ) {
+                $location = remove_query_arg( array( 'attached', 'detached' ), $referer );
+            }
+        }
+
+        $key = 'attach' === $action ? 'attached' : 'detached';
+        $location = add_query_arg( array( $key => $result ), $location );
+        wp_redirect( $location );
+        exit;
+    }
+}