Deletes the current collection

File

tripal/includes/TripalEntityCollection.inc, line 56

Class

TripalEntityCollection

Code

public function delete() {

  if (!$this->collection_id) {
    throw new Exception('This data collection object has not yet been loaded. Cannot delete.');
  }

  try {
    // Remove any files that may have been created
    foreach ($this->formatters as $class_name => $label) {
      tripal_load_include_downloader_class($class_name);
      $outfile = $this->getOutfile($class_name);
      $downloader = new $class_name($this->collection_id, $outfile);
      $downloader->delete();
    }

    // Delete from the tripal collection table.
    db_delete('tripal_collection')
      ->condition('collection_id', $this->collection_id)
      ->execute();

    // Delete the field groups from the tripal_bundle_collection table.
    db_delete('tripal_collection_bundle')
      ->condition('collection_id', $this->collection_id)
      ->execute();

    // Reset the class to defaults.
    $this->collection_id = NULL;
    $this->collection_name = '';
    $this->create_date = '';
    $this->description = '';

  }
  catch (Exception $e) {
    throw new Exception('Cannot delete collection: ' . $e->getMessage());
  }
}