Updated add/delete statements.

includes/utilities.inc

@@ -49,19 +49,17 @@ function islandora_convert_bytes_to_human_readable($bytes, $precision = 2) {
 /**
  * Add a file as managed if is not already.
  *
- * @param string $file_name
- *   The given file name.
  * @param string $file_uri
  *   The given file URI location.
  */
-function islandora_temp_file_entry($file_name, $file_uri) {
-  // Check for this file in the file managed table.
+function islandora_temp_file_entry($file_uri) {
   $query = new EntityFieldQuery();
   $result = $query
     ->entityCondition('entity_type', 'file')
     ->propertyCondition('uri', $file_uri)
     ->execute();
-  if (!isset($result['file'])) {
+  if (!isset($result['file']) && file_exists($file_uri)) {
+    $file_name = drupal_basename($file_uri);
     $file = new stdClass();
     $file->uri = $file_uri;
     $file->filename = $file_name;
@@ -82,11 +80,14 @@ function islandora_temp_file_entry($file_name, $file_uri) {
  *   TRUE if success, FALSE if uncessfull and array() if in use.
  */
 function islandora_temp_file_delete($file_uri) {
+  // Basic sanity check.
+  if ($file_uri != FALSE && file_exists($file_uri)) {
     $query = new EntityFieldQuery();
     $result = $query
       ->entityCondition('entity_type', 'file')
       ->propertyCondition('uri', $file_uri)
       ->execute();
+    if (isset($result['file'])) {
       $arr_keys = array_keys($result['file']);
       $file = file_load($arr_keys[0]);
       $success = file_delete($file);
@@ -101,6 +102,9 @@ function islandora_temp_file_delete($file_uri) {
         );
       }
       return $success;
+    }
+  }
+  return $file_uri;
 }
 
 /**