[BUGFIX] Fix some metadata errors

lib/class/Metadata/Model/Metadata.php

@@ -98,9 +98,9 @@ class Metadata extends \Lib\DatabaseObject implements \Lib\Interfaces\Model
 
     /**
      *
-     * @param \library_item $object
+     * @param integer $object
      */
-    public function setObjectId(\library_item $object)
+    public function setObjectId($object)
     {
         $this->objectId = $object;
     }

lib/class/Repository.php

@@ -23,6 +23,8 @@
 
 namespace Lib;
 
+use Lib\Interfaces\Model;
+
 /**
  * Description of Repository
  *
@@ -178,7 +180,7 @@ class Repository
      * @param string $property
      * @param mixed $value
      */
-    protected function setPrivateProperty(Object $object, $property, $value)
+    protected function setPrivateProperty(Model $object, $property, $value)
     {
         $reflectionClass    = new \ReflectionClass(get_class($object));
         $ReflectionProperty = $reflectionClass->getProperty($property);

lib/class/catalog.class.php

@@ -2219,3 +2219,4 @@ abstract class Catalog extends database_object
 }
 
 // end of catalog class
+

lib/class/song.class.php

@@ -853,6 +853,11 @@ class Song extends database_object implements media, library_item
 
         // Foreach them
         foreach ($fields as $key=>$value) {
+            // Skip the item if it is no string nor something we can turn into a string
+            if (!is_string($song->$key) || (is_object($song->$key) && method_exists($song->key, '__toString'))) {
+                continue;
+            }
+
             $key = trim($key);
             if (empty($key) || in_array($key,$skip_array)) {
                 continue;
@@ -2031,3 +2036,4 @@ class Song extends database_object implements media, library_item
         return $deleted;
     }
 } // end of song class
+