function simplenews_validate_taxonomy in Simplenews 6

Same name and namespace in other branches

1. 5 simplenews.module \simplenews_validate_taxonomy()
2. 6.2 simplenews.module \simplenews_validate_taxonomy()

Validate if selected terms are Newsletter taxonomy terms.

Parameters

array $taxonomy Taxonomy form array of newsletter node.:

Return value

Array of selected Newsletter terms. Example: array(4, 12) FALSE: no Newsletter term is selected

NOTE: This function can not handle free tagging tags. In case of free tagging see taxonomy_node_save() for example code. Note that free tagging can create new terms at node add/edit. This contradicts with the current set-up of simpelnews.

1 call to simplenews_validate_taxonomy()

simplenews_nodeapi in ./simplenews.module

Implementation of hook_nodeapi().

File

./simplenews.module, line 455

Simplnews node handling, sent email, newsletter block and general hooks

Code

function simplenews_validate_taxonomy($taxonomy) {

  // Get newsletter tids.
  $vid = variable_get('simplenews_vid', '');
  $result = db_query('SELECT tid FROM {term_data} WHERE vid = %d', $vid);
  while ($tid = db_fetch_object($result)) {
    $newsletter_tids[] = $tid->tid;
  }

  // Extract selected tid's from the taxonomy form.
  if (isset($newsletter_tids) && !empty($taxonomy)) {
    $selected_terms = array();
    if (is_array($taxonomy)) {
      foreach ($taxonomy as $term) {
        if (is_array($term)) {
          foreach ($term as $tid) {
            if ($tid) {
              $selected_terms[] = $tid;
            }
          }
        }
        else {
          if (is_object($term)) {
            $selected_terms[] = $term->tid;
          }
          else {
            if ($term) {
              $selected_terms[] = $term;
            }
          }
        }
      }
    }

    // Compare selected tid's and newsletter tid's.
    $valid_terms = array_intersect($newsletter_tids, $selected_terms);
    return empty($valid_terms) ? FALSE : $valid_terms;
  }
  return FALSE;
}