function apachesolr_reference_autocomplete_callback_get_matches in Apachesolr Reference 7

Return JSON based on given field, instance and string.

Parameters

array $field: The field array defintion.

array $instance: The instance array defintion.

string $entity_type: The entity type.

int|string $entity_id: Optional; The entity ID the entity-reference field is attached to.

string $langcode: Optional: The language to use.

string $string: The label of the entity to query by.

Return value

json A json array of results.

1 call to apachesolr_reference_autocomplete_callback_get_matches()

apachesolr_reference_autocomplete_callback in ./apachesolr_reference.module

Menu callback: autocomplete the label of a SOLR object.

File

./apachesolr_reference.module, line 97

functionality for creating reference fields to apache solr objects.

Code

function apachesolr_reference_autocomplete_callback_get_matches($field, $instance, $entity_type, $entity_id = '', $langcode = LANGUAGE_NONE, $string = '') {
  $matches = array();
  $entity = NULL;
  if ($entity_id !== 'NULL') {
    $entity = entity_load_single($entity_type, $entity_id);
    if (!$entity || !entity_access('view', $entity_type, $entity)) {
      return MENU_ACCESS_DENIED;
    }
  }

  // Was a value passed to lookup?
  if (isset($string)) {
    $string = trim($string);
    $string = str_replace('"', '', $string);

    // Retrieve the values we need to know which solr instance to use.
    $solr_env = _apachesolr_reference_default_solr_environment($field['settings']);
    $search_fields = $field['settings']['search_fields'];

    // Build the SOLR query.
    $field_query = array(
      $field['settings']['field_query'],
    );
    $field_query[] = $search_fields['label'] . ':("' . $string . '" OR ' . $string . '*)';

    // If Entity and language is not und, add language filter.
    if ($langcode && $langcode != LANGUAGE_NONE) {
      $field_query[] = 'ss_language: ' . $langcode;
    }

    // List of SOLR fields to return.
    $field_list = $search_fields;

    // Sort SOLR results by the label value.
    $sort = array(
      $search_fields['label'],
      'asc',
    );

    // Query solr to retrieve data for objects.
    if ($solr_objects = _apachesolr_reference_solr_query($solr_env, $field_query, $field_list, $sort)) {

      // Foreach returned SOLR object add to matches array.
      foreach ($solr_objects as $solr_object) {
        $id = $solr_object->{$search_fields}['id'];
        $label = $solr_object->{$search_fields}['label'];
        $key = $label . '(' . $id . ')';
        $matches[$key] = '<div class="reference-autocomplete">' . $label . '</div>';
      }
    }
  }
  drupal_json_output($matches);
}