function redhen_relation_get_available_entities in RedHen CRM 7

Return a list of entities the given entity can be associated with.

Parameters

object $entity: Entity.

string $entity_type_to_relate: Entity type.

string $relation_type: Relation type.

string $search: Search string.

int $limit: Limit.

Return value

array Available entities.

1 call to redhen_relation_get_available_entities()

redhen_relation_autocomplete in modules/redhen_relation/redhen_relation.module

Autocomplete callback for listing available entities for a relation type.

File

modules/redhen_relation/redhen_relation.module, line 606

Redhen CRM Relation Module.

Code

function redhen_relation_get_available_entities($entity, $entity_type_to_relate, $relation_type, $search = '', $limit = 0) {
  $entities = array();
  if (!in_array($entity_type_to_relate, array(
    'redhen_contact',
    'redhen_org',
  ))) {
    return $entities;
  }
  $query = new EntityFieldQuery();
  $query
    ->entityCondition('entity_type', $entity_type_to_relate)
    ->propertyCondition('redhen_state', REDHEN_STATE_ACTIVE);

  // Exclude existing relationships.
  $existing = redhen_relation_relations($entity, $relation_type);
  if (!empty($existing)) {
    $info = entity_get_info($entity_type_to_relate);
    $id_key = $info['entity keys']['id'];
    $to_exclude = array();
    foreach ($existing as $relation_id => $related_entities) {
      foreach ($related_entities as $related_entity) {
        $to_exclude[] = entity_id($related_entity
          ->entityType(), $related_entity);
      }
    }
    $query
      ->propertyCondition($id_key, $to_exclude, 'NOT IN');
  }

  // Keyword search.
  if ($search != '') {

    // If we're searching for redhen_contacts, set a query tag so we can alter
    // the fields that are searched in redhen_contact.
    if ($entity_type_to_relate == 'redhen_contact') {
      $query
        ->addTag('redhen_contact_label');
    }
    $query
      ->propertyCondition('label', $search, 'CONTAINS');
  }
  if ($limit > 0) {
    $query
      ->range(0, $limit);
  }
  if ($result = $query
    ->execute()) {
    $entities = entity_load($entity_type_to_relate, array_keys($result[$entity_type_to_relate]));
  }
  return $entities;
}