function biblio_crossref_form_biblio_node_form_validate in Bibliography Module 6.2

1 string reference to 'biblio_crossref_form_biblio_node_form_validate'

biblio_crossref_form_biblio_node_form_alter in modules/crossref/biblio_crossref.module

File

modules/crossref/biblio_crossref.module, line 110

Code

function biblio_crossref_form_biblio_node_form_validate($form, &$form_state) {
  global $user;
  $node_data = array();
  $clicked_button = $form_state['clicked_button']['#value'];
  if ($clicked_button == t('Populate using DOI') || $clicked_button == t('Search for DOI by Author and Title')) {
    $crossref_pid = variable_get('biblio_crossref_pid', '');
    $user_pid = isset($user->biblio_crossref_pid) && !empty($user->biblio_crossref_pid) ? $user->biblio_crossref_pid : '';
    if (variable_get('biblio_show_crossref_profile_form', '1') && !empty($user_pid)) {
      $crossref_pid = $user_pid;
    }
    if (empty($crossref_pid)) {
      form_set_error('doi_data', t(l('You need to register with CrossRef', 'http://www.crossref.org/requestaccount/', array(
        'attributes' => array(
          'target' => '_blank',
        ),
        'absolue' => TRUE,
      )) . t(' and then enter your CrossRef UserID in the "<i>CrossRef Login Information</i>" section of your account profile ') . l('here...', "user/{$user->uid}/edit")));
      return;
    }
    if ($clicked_button == t('Populate using DOI') && strlen($doi = $form_state['values']['doi_data'])) {
      if (($doi_start = strpos($form_state['values']['doi_data'], '10.')) !== FALSE) {
        if (!($dup = biblio_crossref_check_doi($doi))) {
          module_load_include('php', 'biblio_crossref', 'biblio.crossref.client');
          $client = new BiblioCrossRefClient($doi, $crossref_pid);
          $node_data = $client
            ->fetch();
          if (!empty($node_data)) {
            $form_state['values'] = array_merge($form_state['values'], $node_data);
            $form_state['storage']['biblio_type'] = $node_data['biblio_type'];
            return;
          }
        }
        else {
          $message = t('The DOI that you are trying to import already exists in the database, see ');
          $message .= l('node/' . $dup, 'node/' . $dup);
          form_set_error('doi_data', $message);
          $form_state['rebuild'] = TRUE;
          $form_state['submitted'] = FALSE;
          unset($form_state['values']['biblio_type']);
          return;
        }
      }
      else {
        form_set_error('doi_data', t('This does not appear to be a valid DOI name, it should start with "10." '));
        $form_state['rebuild'] = TRUE;
        $form_state['submitted'] = FALSE;
        unset($form_state['values']['biblio_type']);
        return;
      }
    }
    if ($clicked_button == t('Search for DOI by Author and Title') && empty($form_state['values']['doi_search_author'])) {
      form_set_error('doi_search_author', t('You must supply an author name'));
    }
    if ($clicked_button == t('Search for DOI by Author and Title') && empty($form_state['values']['doi_search_title'])) {
      form_set_error('doi_search_title', t('You must supply a title'));
    }
    if ($clicked_button == t('Search for DOI by Author and Title') && !empty($form_state['values']['doi_search_author']) && !empty($form_state['values']['doi_search_title'])) {
      module_load_include('php', 'biblio_crossref', 'biblio.crossref.client');
      $client = new BiblioCrossRefClient('', $crossref_pid);
      $client
        ->setUrl('http://doi.crossref.org/servlet/query');
      $results = $client
        ->fetchByAuthorTitle($form_state['values']['doi_search_author'], $form_state['values']['doi_search_title']);
      $form_state['values']['doi_search_results'] = $results;
      $form_state['rebuild'] = TRUE;
      $form_state['submitted'] = FALSE;
      $form_state['values']['biblio_type'] = NULL;
    }
  }
}