dev #17352 : cannot track oai raw records

library/Class/Cosmogramme/Integration/RawRecord.php

@@ -75,12 +75,20 @@ class Class_Cosmogramme_Integration_RawRecord {
 
 
   public function save() {
+    if (!$this->_isValid())
+      return;
+
     $this->newVersionWith(['id' => $this->_id,
                            'library_id' => $this->_library_id,
                            'data' => $this->_data]);
   }
 
 
+  protected function _isValid() {
+    return is_string($this->_data);
+  }
+
+
   public function loadLastVersion() {
     if (!$version = $this->getLastVersion())
       return;