public function views_oai_pmh_request::__construct in Views OAI-PMH 7.3

Constructs the object based on $_REQUEST data.

File

includes/request.inc, line 106

Represents an OAI-PMH request.

Class

views_oai_pmh_request

Class views_oai_pmh_request.

Code

public function __construct($base_url, $allowed_metadata_prefixes, $live_preview = FALSE) {
  $this->base_url = $base_url;
  if ($live_preview) {
    $args['verb'] = 'ListRecords';
    $args['metadataPrefix'] = 'oai_dc';
  }
  else {
    $args = $_REQUEST;
  }
  if (isset($args['q'])) {

    // Ignore the Drupal 'q' argument.
    unset($args['q']);
  }
  $this->response_timestamp = time();
  $this->response_date = gmstrftime('%Y-%m-%dT%H:%M:%SZ', $this->response_timestamp);
  if (!isset($args['verb'])) {
    $this->errors[] = new views_oai_pmh_error_missing_verb();
  }
  elseif (!in_array($args['verb'], array(
    'GetRecord',
    'ListIdentifiers',
    'ListRecords',
    'Identify',
    'ListMetadataFormats',
    'ListSets',
  ))) {
    $this->errors[] = new views_oai_pmh_error_bad_verb();
  }
  else {
    $this->verb = $args['verb'];

    // Remove this one before further parsing.
    unset($args['verb']);
    switch ($this->verb) {
      case 'Identify':
        $this->callback = 'identify';
        $this
          ->parse_arguments($args);
        break;
      case 'ListMetadataFormats':
        $this->callback = 'list_metadata_formats';
        $this
          ->parse_arguments($args, array(), array(
          'identifier',
        ));
        break;
      case 'ListIdentifiers':
        $this->callback = 'list_identifiers';
        $this
          ->parse_arguments($args, array(
          'metadataPrefix',
        ), array(
          'resumptionToken',
          'from',
          'until',
          'set',
        ));
        $this
          ->parse_metadata_prefix($args, $allowed_metadata_prefixes);
        break;
      case 'GetRecord':
        $this->callback = 'get_record';
        $this
          ->parse_arguments($args, array(
          'identifier',
          'metadataPrefix',
        ));
        $this
          ->parse_metadata_prefix($args, $allowed_metadata_prefixes);
        break;
      case 'ListRecords':
        $this->callback = 'list_records';
        $this
          ->parse_arguments($args, array(
          'metadataPrefix',
        ), array(
          'resumptionToken',
          'from',
          'until',
          'set',
        ));
        $this
          ->parse_metadata_prefix($args, $allowed_metadata_prefixes);
        break;
      case 'ListSets':
        $this
          ->parse_arguments($args);
        $this->errors[] = new views_oai_pmh_error_no_set_hierarchy();
        break;
    }
  }
}