Creates the downloadable file.

Parameters

$job: If this function is run as a Tripal Job then this argument can be set to the Tripaljob object for keeping track of progress.

File

tripal/includes/TripalFieldDownloaders/TripalFieldDownloader.inc, line 323

Class

TripalFieldDownloader

Code

public function write(TripalJob $job = NULL) {

  $this->initWrite($job);

  $num_handled = 0;
  foreach ($this->collection_bundles as $bundle_collection) {
    $collection_bundle_id = $bundle_collection->collection_bundle_id;
    $bundle_name = $bundle_collection->bundle_name;
    $entity_ids = $bundle_collection->ids;
    $fields = $bundle_collection->fields;
    $site_id = $bundle_collection->site_id;

    foreach ($entity_ids as $entity_id) {
      $num_handled++;
      if ($job) {
        $job->setItemsHandled($num_handled);
      }

      // if we have a site_id then we need to get the entity from the
      // remote service. Otherwise create the entity from the local system.
      if ($site_id) {
        $entity = $this->loadRemoteEntity($entity_id, $site_id, $bundle_name);
        if (!$entity) {
          continue;
        }
      }
      else {
        $result = tripal_load_entity('TripalEntity', array($entity_id), FALSE, $fields, FALSE);
        $entity = $result[$entity_id];
      }

      if (!$entity) {
        continue;
      }

      $lines = $this->formatEntity($entity);
      foreach ($lines as $line) {
        fwrite($this->fh, $line . "\r\n");
      }
    }
  }

  $this->finishWrite($job);
}