function domain_source_lookup in Domain Access 6.2

Same name and namespace in other branches

1. 7.3 domain_source/domain_source.module \domain_source_lookup()
2. 7.2 domain_source/domain_source.module \domain_source_lookup()

Find the proper source domain for a node.

Parameters

$nid: The node id.

$domains: An optional array of domain ids, which is present when this function is called from hook_nodeapi().

$domain_site: Optional flag indicating that the node is assigned to all domains.

$reset: Force a reset of the static data lookup.

Return value

The active source domain to use; an array returned by domain_lookup().

4 calls to domain_source_lookup()

domain_source_domain_source_alter in domain_source/domain_source.module

Implement hook_domain_source_node_alter().

domain_source_nodeapi in domain_source/domain_source.module

Implement hook_nodeapi()

domain_source_validate in domain_source/domain_source.module

Form validation step

hook_domain_source_alter in ./API.php

Allows modules to specify the target link for a node.

File

domain_source/domain_source.module, line 243

Creates a source domain for linking to content from other domains.

Code

function domain_source_lookup($nid, $domains = array(), $domain_site = FALSE, $reset = FALSE) {
  global $_domain;
  static $lookups;

  // Static cache.
  if (!$reset && isset($lookups[$nid])) {
    return $lookups[$nid];
  }
  $source = db_result(db_query("SELECT domain_id FROM {domain_source} WHERE nid = %d", $nid));

  // Default source for nodes with no setting.
  if ($source === FALSE) {
    $source = variable_get('domain_default_source', 0);
  }

  // Global setting for 'do not change domain.'
  if ($source == -1) {
    $source = $_domain['domain_id'];
  }
  else {
    if ($source == DOMAIN_SOURCE_USE_ACTIVE) {
      $source = $_domain['domain_id'];
    }
  }

  // When called from url_rewrite_outbound(), we have no data.
  if (empty($domains)) {
    $lookup = domain_get_node_domains($nid);
    $domain_site = $lookup['domain_site'];
    $domains = $lookup['domain_id'];
  }

  // domain_get_node_domains() returns the default (0) domain as -1, so we
  // must transform it here before running a check.
  $source = $source == 0 ? -1 : $source;

  // If no valid source is found, take the first match from the $domains array.
  if (empty($domain_site) && !empty($domains) && !in_array($source, $domains)) {
    $source = current($domains);
  }

  // Convert the source id from -1 to 0 and run the lookup.
  $domain_id = $source == -1 ? 0 : $source;
  $lookups[$nid] = domain_lookup($domain_id);
  return $lookups[$nid];
}