#850638: Introduce FeedsSource::preview().

CHANGELOG.txt

@@ -3,6 +3,7 @@
 Feeds 6.x 1.X XXXX
 ------------------
 
+- #850638 alex_b: Introduce FeedsSource::preview().
 - #850298 alex_b: ParserCSV: Support batching (only affects library, full parser
   level batch support to be added later with #744660).
 - Minor cleanup of admin UI language and CSS.

feeds.module

@@ -271,10 +271,7 @@ function feeds_nodeapi(&$node, $op, $form) {
         if (trim($node->title) == '') {
           try {
             $source->addConfig($node_feeds);
-            // @todo Too many indirections. Clean up.
-            $batch = $source->importer->fetcher->fetch($source);
-            $source->importer->parser->parse($batch, $source);
-            if (!$last_title = $batch->getTitle()) {
+            if (!$last_title = $source->preview()->getTitle()) {
               throw new Exception();
             }
           }

includes/FeedsSource.inc

@@ -110,6 +110,21 @@ class FeedsSource extends FeedsConfigurable {
     $this->load();
   }
 
+  /**
+   * Preview = fetch and parse a feed.
+   *
+   * @return
+   *   FeedsImportBatch object, fetched and parsed.
+   *
+   * @throws
+   *   Throws Exception if an error occurs when fetching or parsing.
+   */
+  public function preview() {
+    $batch = $this->importer->fetcher->fetch($this);
+    $this->importer->parser->parse($batch, $this);
+    return $batch;
+  }
+
   /**
    * Import a feed: execute, fetching, parsing and processing stage.
    *