move partial search to comicpress class for testing purposes

classes/ComicPress.inc

@@ -303,6 +303,18 @@ class ComicPress {
    * Get the next comic from the current one.
    */
   function get_next_comic($category = null, $override_post = null) { return $this->get_adjacent_comic($category, true, $override_post); }
+  
+  function get_partial_path($partials) {
+    foreach ($partials as $partial) {
+      foreach ($comicpress->partial_paths as $path) {
+        $target = $path . '/' . $partial . '.inc';
+        if (file_exists($target)) {
+          include($target);
+          return;
+        }
+      }
+    }
+  }
 }
 
 ?>

functions.php

@@ -76,19 +76,14 @@ function comicpress_get_header() {
 
 function include_partial($partials = '') {
   global $comicpress;
+  
   if (!is_array($partials)) {
     $partials = func_get_args();
   }
   
-  foreach ($partials as $partial) {
-    foreach ($comicpress->partial_paths as $path) {
-      $target = $path . '/' . $partial . '.inc';
-      if (file_exists($target)) {
-        include($target);
-        return;
-      }
-    }
-  }
+  $target = $comicpress->get_partial_path($partials);
+  
+  if ($target !== false) { include($target); }
 }
 
 function in_comic_category() {