'Evergreen Search Target configuration', 'description' => 'Configuration for the Roblib evergreen search target', 'page callback' => 'drupal_get_form', 'page arguments' => array('roblib_search_evergreen_config_form'), 'access arguments' => array('access administration pages'), 'type' => MENU_NORMAL_ITEM, ); $items['roblib_search/evergreen/ajax/%'] = array( 'title' => 'evergreen ajax', 'page callback' => 'roblib_search_evergreen_ajax', 'page arguments' => array(3), 'type' => MENU_CALLBACK, 'access arguments' => array('search roblib evergreen'), ); return $items; } function roblib_search_evergreen_config_form($form, &$form_state) { /* * $url = variable_get('roblib_search_evergreen_url', 'http://137.149.200.52'); $url_suffix = variable_get('roblib_search_evergreen_suffix', '/opac/extras/sru?version=1.1&operation=searchRetrieve&query='); $number_of_records = variable_get('roblib_search_evergreen_num_results', '5'); */ $form['roblib_search_evergreen_url'] = array( '#type' => 'textfield', '#title' => t('Evergreen url'), '#default_value' => variable_get('roblib_search_evergreen_url', 'http://islandpines.roblib.upei.ca/'), '#description' => t('The base Evergreen URL, for example http://islandpines.roblib.upei.ca/'), '#required' => TRUE, ); $form['roblib_search_evergreen_search_suffix'] = array( '#type' => 'textfield', '#title' => t('Evergreen search suffix'), '#default_value' => variable_get('roblib_search_evergreen_search_suffix', '/opac/extras/sru?version=1.1&operation=searchRetrieve&query='), '#description' => t('The suffix will be appended to the base url for searches, for example /opac/extras/sru?version=1.1&operation=searchRetrieve&query='), '#required' => TRUE, ); $form['roblib_search_evergreen_detail_suffix'] = array( '#type' => 'textfield', '#title' => t('Evergreen detail suffix'), '#default_value' => variable_get('roblib_search_evergreen_detail_suffix', '/opac/en-CA/skin/default/xml/rdetail.xml?r='), '#description' => t('The suffix will be appended to the base url when creating links to the Evergreen detail page, for example, /opac/en-CA/skin/default/xml/rdetail.xml?r='), '#required' => TRUE, ); //http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t= $form['roblib_search_evergreen_catalog_base_search_url'] = array( '#type' => 'textfield', '#title' => t('Evergreen catalog base search url'), '#default_value' => variable_get('roblib_search_evergreen_catalog_base_search_url', 'http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t='), '#description' => t('The Catalog base url so we can repeat the search in the catalog, for example, http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t='), '#required' => TRUE, ); $form['roblib_search_evergreen_num_results'] = array( '#type' => 'textfield', '#title' => t('Number of results to return'), '#default_value' => variable_get('roblib_search_evergreen_num_results', '5'), '#description' => t('The number of results to display in the Bento box'), '#required' => TRUE, ); return system_settings_form($form); } /** * Implements hook_permission(). */ function roblib_search_evergreen_permission() { return array( 'search roblib evergreen' => array( 'title' => t('Search the evergreen target'), 'description' => t('Search all Roblib evergreen target. This permission exposes the search blocks and allows you to see search results.'), ), 'administer roblib search_evergreen' => array( 'title' => t('Administer Roblib Search Evergreen'), 'description' => t('Administer settings for the Roblib evergreen search client.'), ), ); } function roblib_search_evergreen_preprocess_panels_pane(&$variables, $hook){ if($variables['pane']->subtype == 'roblib_search_evergreen-roblib_search_evergreen_results'){ $variables['title_prefix'] = '
'; $variables['title_suffix'] ='
'; } } /** * Implements hook_theme(). */ function roblib_search_evergreen_theme() { // set path $path = drupal_get_path('module', 'roblib_search_evergreen'); $file = 'theme.inc'; return array( // results page 'roblib_search_evergreen' => array( 'path' => $path . '/theme', 'file' => $file, 'template' => 'roblib-search-evergreen', 'variables' => array('results' => NULL), ) ); } function roblib_search_evergreen_block_info() { $blocks['roblib_search_evergreen_results'] = array( // info: The name of the block. 'info' => t('Evergreen Search Results block'), // Block caching options (per role, per user, etc.) 'cache' => DRUPAL_CACHE_PER_ROLE, // default ); return $blocks; } function roblib_search_evergreen_block_view($delta = '') { //The $delta parameter tells us which block is being requested. switch ($delta) { case 'roblib_search_evergreen_results': // The subject is displayed at the top of the block. Note that it // should be passed through t() for translation. The title configured // for the block using Drupal UI supercedes this one. $block['subject'] = t('PEI Collection'); // The content of the block is typically generated by calling a custom // function. $block['content'] = theme('roblib_search_evergreen', array('results' => NULL)); break; } return $block; } function roblib_search_evergreen_ajax($query) { $output = roblib_search_evergreen_get_results($query); print $output; exit(); } /** * * @param string $query * @return string * json */ function roblib_search_evergreen_get_results($query) { drupal_add_css(drupal_get_path('module', 'roblib_search_evergreen') . '/css/roblib_search_evergreen.theme.css'); $url = variable_get('roblib_search_evergreen_url', 'http://137.149.200.52'); $url_suffix = variable_get('roblib_search_evergreen_search_suffix', '/opac/extras/sru?version=1.1&operation=searchRetrieve&query='); $number_of_records = variable_get('roblib_search_evergreen_num_results', '5'); $query = str_replace(' ', '%20AND%20',$query); //hack until the library decides if we want phrase or individual words $query .= '%20AND%20%22prince%20edward%20island%22'; $search_url = $url . $url_suffix . $query . '&maximumRecords=' . $number_of_records; $catalog_base_search_url = variable_get('roblib_search_evergreen_catalog_base_search_url', 'http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t='); drupal_add_js(array('roblib_search_evergreen' => array('catalog_url' => $catalog_base_search_url)), array('type' => 'setting')); $results = drupal_http_request($search_url); if ($results->code == '200') { $output = roblib_search_evergreen_parse_results($results, $query); } else { watchdog('roblib_search_evergreen', 'Error retrieving results: %error', array('%error' => $results->status_message), WATCHDOG_ERROR); $output = ''; } return json_encode($output); } /** * * @param string $results * results in marcxml * @return array $output * information we want from the xml stored in an array */ function roblib_search_evergreen_parse_results($results, $query) { $xml = $results->data; if (!isset($xml)) { return 'no results found'; } $sxml = simplexml_load_string(trim($results->data)); $output = array(); if ($sxml) { $sxml->registerXPathNamespace('marcxml', 'http://www.loc.gov/MARC21/slim'); $sxml->registerXPathNamespace('srw', 'http://www.loc.gov/zing/srw/'); $number_of_records = $sxml->xpath('//srw:numberOfRecords'); $output['numberOfRecords'] = (string)$number_of_records[0]; $catalog_base_search_url = variable_get('roblib_search_evergreen_catalog_base_search_url', 'http://islandpines.roblib.upei.ca/opac/en-CA/skin/roblib/xml/rresult.xml?rt=keyword&tp=keyword&t='); $catalog_base_search_url .= $query; $output['catalogBaseSearchUrl'] = $catalog_base_search_url; $records = $sxml->xpath('//marcxml:record'); //$records = $sxml->xpath('//marcxml:record/marcxml:recordData/marcxml:record/marcxml:datafield[@tag="245"]/marcxml:subfield[@code="a"]'); $index = 0; foreach ($records as $record) { $record->registerXPathNamespace('marcxml', 'http://www.loc.gov/MARC21/slim'); roblib_search_evergreen_update_array($output, $index, 'title', $record->xpath('marcxml:datafield[@tag="245"]/marcxml:subfield[@code="a"]')); roblib_search_evergreen_update_array($output, $index, 'subtitle', $record->xpath('marcxml:datafield[@tag="245"]/marcxml:subfield[@code="b"]')); roblib_search_evergreen_update_array($output, $index, 'sor', $record->xpath('marcxml:datafield[@tag="245"]/marcxml:subfield[@code="c"]')); roblib_search_evergreen_update_array($output, $index, 'date', $record->xpath('marcxml:datafield[@tag="260"]/marcxml:subfield[@code="c"]')); roblib_search_evergreen_update_array($output, $index, 'id', $record->xpath('marcxml:datafield[@tag="901"]/marcxml:subfield[@code="c"]')); roblib_search_evergreen_update_array($output, $index, 'publisher', $record->xpath('marcxml:datafield[@tag="260"]/marcxml:subfield[@code="a"]')); roblib_search_evergreen_update_array($output, $index, 'pop', $record->xpath('marcxml:datafield[@tag="260"]/marcxml:subfield[@code="b"]')); roblib_search_evergreen_update_array($output, $index, 'numofpages', $record->xpath('marcxml:datafield[@tag="300"]/marcxml:subfield[@code="a"]')); roblib_search_evergreen_update_array($output, $index, 'subjectsa', $record->xpath('marcxml:datafield[@tag="650"]/marcxml:subfield[@code="a"]')); roblib_search_evergreen_update_array($output, $index, 'subjectsb', $record->xpath('marcxml:datafield[@tag="650"]/marcxml:subfield[@code="b"]')); roblib_search_evergreen_update_array($output, $index, 'subjectsc', $record->xpath('marcxml:datafield[@tag="650"]/marcxml:subfield[@code="c"]')); roblib_search_evergreen_holdings($output, $index, $record->xpath('marcxml:datafield[@tag="852"]')); roblib_search_evergreen_electronic_holdings($output, $index, $record->xpath('marcxml:datafield[@tag="856"]')); $id = $output[$index]['id']; $output[$index++]['url'] = variable_get('roblib_search_evergreen_url', 'http://137.149.200.52') . variable_get('roblib_search_evergreen_detail_suffix', '/opac/en-CA/skin/default/xml/rdetail.xml?r=') . (string)$id; } } return $output; } function roblib_search_evergreen_holdings(&$arr, $index, $xpath_result){ $holding_index = 0; foreach($xpath_result as $xml){ $xml->registerXPathNamespace('marcxml', 'http://www.loc.gov/MARC21/slim'); $call_number = $xml->xpath('marcxml:subfield[@code="c"]'); $arr[$index]['holdings'][$holding_index]['call_number'] = (string)$call_number[0]; $availability = $xml->xpath('marcxml:subfield[@code="n"]'); $arr[$index]['holdings'][$holding_index]['availability'] = (string)$availability[0]; $location = $xml->xpath('marcxml:subfield[@code="a"]'); $arr[$index]['holdings'][$holding_index++]['location'] = (string)$location[0]; } } function roblib_search_evergreen_electronic_holdings(&$arr, $index, $xpath_result){ $holding_index = 0; foreach($xpath_result as $xml){ $xml->registerXPathNamespace('marcxml', 'http://www.loc.gov/MARC21/slim'); $label = $xml->xpath('marcxml:subfield[@code="y"]'); $label = (string)$label[0]; $url = $xml->xpath('marcxml:subfield[@code="u"]'); $url = (string)$url[0]; $arr[$index]['electronic_holdings'][$holding_index]['url'] = $url; $arr[$index]['electronic_holdings'][$holding_index++]['label'] = $label; } } function roblib_search_evergreen_update_array(&$arr, $index, $key, $xpath_result){ if(!empty($xpath_result)){ $val = (string)$xpath_result[0]; $arr[$index][$key] = $val; } } /** * Implements hook_help(). * * @param type $path * @param type $arg * @return type */ function roblib_search_evergreen_help($path, $arg) { switch ($path) { case 'admin/help#roblib_search_evergreen': return t( '

provides a target for the Roblib search module

' ); } }