function tripal_expire_collections

3.x tripal.collections.api.inc tripal_expire_collections()

Deletes all collections that have surpassed their lifespan

Related topics

Data Collections
New with Tripal v3 are data collections. A data collection can be compared to a "shopping cart" system where site users can collect data of interest to them, and use that data later for other purposes. By default, Tripal offers data…
1 string reference to 'tripal_expire_collections'
tripal_cron in tripal/tripal.module
Implements hook_cron().

File

tripal/api/tripal.collections.api.inc, line 111
Provides the API for working with Data collections. This includes creation, experiation, and retreival.

Code

function tripal_expire_collections() {
  $max_days = variable_get('tripal_data_collections_lifespan', 30);
  $ctime = time();

  $query = db_select('tripal_collection', 'tc');
  $query->fields('tc', array('collection_id'));
  $query->where("((($ctime - create_date) / 60) / 60) / 24 >= $max_days");
  $results = $query->execute();
  while ($collection_id = $results->fetchField()) {
    $collection = new TripalEntityCollection();
    $collection->load($collection_id);
    $collections[] = $collection;
    $collection->delete();
  }
  return $collections;
}