apachesolr module examples

example_solr.module

/**
 * Per-document boosts.
 *
 * @param object $query
 *   An object implementing DrupalSolrQueryInterface
 */
function example_solr_promote($query) {
  // ask to return the field from solr
  $query->addParam('fl', array(
    'bs_field_search_promote' // field_search_promote is a single value boolean field to turn on/off solr boosting
  ));
  // Add an insane boost value
  $promote_boost = variable_get('mercy_search_promote', '999999999.0');
  $query->addParam('bq', array(
    "bs_field_search_promote:true^$promote_boost"
  ));
}

/**
 * Boosts search results.
 *
 * @param object $document
 *   An object implementing ApacheSolrDocument
 * @param object $entity
 *   The entity being created.
 */
function example_solr_boost(ApacheSolrDocument $document, $entity) {
  // Field search boost has allowed values of: array(0 => \'None\',3 => \'Minor\',5 => \'Moderate\',8 => \'Major\',)
  if (isset($entity->field_search_boost[LANGUAGE_NONE][0]['value'])) {
    $boost = $entity->field_search_boost[LANGUAGE_NONE][0]['value'] * variable_get('example_search_boost', .38);
    $document->setBoost($boost);
  }
}
 
/**
 * Adds the correct content types & filters based on if a cookie is set
 *
 * @param object $query
 *   An object implementing DrupalSolrQueryInterface
 */
function example_solr_community_filter($query) {
  // Do not include child page content type if no cookie selected.
  if ($COOKIE['foo']) {
    $query->addFilter('bundle', '(content_type_1 OR content_type_2 OR parent_content_type)');
  }
  else {
    // Build our subqueries so we can pull all the appropriate "base" bundles
    // and also apply the appropriate filters to the cookie-specific ones.
    $subQueryParent = new SolrFilterSubQuery();
 
    $baseBundles = new SolrFilterSubQuery();
    $baseBundles->addFilter('bundle', '(parent_content_type)');
    $subQueryParent->addFilterSubQuery($baseBundles);
 
    $childPages = new SolrFilterSubQuery('AND');
    $childPages->addFilter('bundle', '(content_type_1 OR content_type_2 OR parent_content_type)');
    $childPages->addFilter('im_field_parent_reference', $COOKIE['foo']);
    $subQueryParent->addFilterSubQuery($childPages);
 
    $query->addFilterSubQuery($subQueryParent);
  }
}