forked from roblib/islandora_scholar_upei
/
SolrResultsScholar.inc
283 lines (242 loc) · 11.3 KB
/
SolrResultsScholar.inc
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<?php
/*
* @file
* contains methods to search solr and display results. depends on Apache_Solr_Php client.
*/
module_load_include('inc', 'islandora_solr_search', 'IslandoraSolrResults');
/**
* Extention of IslandoraSolrResults for templating purposes.
* This overrides the displayResults function to provide an alternate display type.
*/
class ScholarSolrResults extends IslandoraSolrResults {
static $facetSeparator = '~'; //used to separate facets in url
static $slashReplacement = '~slsh~'; // a pattern used to replace / in url's the slash breaks drupal clean url's
public static $SEARCH_CLASS_ADVANCED_SEARCH_NUMBER_FIELDS = 5;
function IslandoraSolrResultsTable() {
parent::__construct();
}
/**
* Outputs results in unified tabular format.
*
* This function collects all field names from all results in the
* resultset and constructs a single table with said field names in
* a unified header row, rather than outputting each result as a
* miniature horizontal table.
*
* @param $results
* A solr resultset object.
*
* @return
* html output for the resultset. Note: we currently create this
* output manually, should refactor to use drupal forms api.
*/
function displayResultsScholar($solrQueryProcessor, $title = "Search Results", $output = '') {
$apacheSolrResult = $solrQueryProcessor->solrResult;
$total = (int) $apacheSolrResult->response->numFound;
$end = min(($solrQueryProcessor->solrLimit + $solrQueryProcessor->solrStart), $total);
// Check for empty resultset
if ($total === 0) {
$output = "<h2>Search Results</h2>";
$output .= "<div>Sorry, but your search returned no results.</div>";
return $output;
}
// Initialize drupal-style pager
islandora_solr_search_pager_init($total, $solrQueryProcessor->solrLimit);
// Get secondary display profiles
$secondary_display_profiles = module_invoke_all('islandora_solr_secondary_display');
// How about this for an expected return?
// return array(
// 'machine-name' = array(
// 'name' => 'Human Readable Name',
// 'module' => 'module_name',
// 'file' => 'FileName.inc',
// 'class' => 'ClassName',
// 'function' => 'function_name',
// 'description' => 'A description of the display profile',
// 'logo' => 'Some text, some <html>, an <img>, etc used to link to this output,
// );
// check if
// if the islandora_solr_search admin form has never been saved, then
// the variable 'islandora_solr_secondary_display' won't be set yet.
$secondary_array = variable_get('islandora_solr_secondary_display', array());
// count number of elements in array
$array_count = count($secondary_array);
// count number of disabled displays
$i = 0;
foreach ($secondary_array as $key => $value) {
if ($value === 0) {
$i++;
}
}
// if number of elements is the same as the number of disabled displays,
// this means that there are no displays enabled.
if ($array_count != $i) {
$output .= "<div id='islandora_solr_secondary_display_profiles'>";
foreach ($secondary_array as $name => $status) {
if ($status === $name) {
$description = $secondary_display_profiles[$name]['description'];
$logo = $secondary_display_profiles[$name]['logo'];
$attributes = array('title' => $description);
$query = array();
$query[] = drupal_query_string_encode(array('solr_profile' => $name));
$output .= l($logo, $_GET['q'], array('attributes' => $attributes, 'html' => TRUE, 'query' => count($query) ? implode('&', $query) : NULL));
}
}
$output .= "</div>";
}
$output .= '<h2>' . $title . '</h2>';
$output .= '<div id="islandora_solr_result_count">(' . ($solrQueryProcessor->solrStart + 1) . ' - ' . $end . ' of ' . $total . ')</div>';
$output .= '<div class="content">';
// drupal_set_message(print_r($secondary_display_profiles,1));
/*
* Then, here, we need to build links to the current query under the secondary query display
* profile for each such profile which uses the hook.
*
* The link should basically be $theCurrentURL with &proile=<profile_name> tacked on.
*
* Also, perhaps there's no difference between primary and secondary profiles?
*/
$output .= $this->printResultsScholar($solrQueryProcessor->solrResult);
// Render Drupal pager (bottom of search results)
$output .= theme('pager', NULL, $solrQueryProcessor->solrLimit, 0, NULL, 5);
$output .= "</div>"; // class = "content"
return $output;
}
function printResultsScholar($results) {
module_load_include('inc', 'fedora_repository', 'CollectionClass');
module_load_include('inc', 'citeproc', 'CiteProcJSBibliography');
module_load_include('inc', 'scholar', '/citation/bibliography/BibliographyForm');
module_load_include('inc', 'scholar', '/citation/bibliography/CitationForm');
module_load_include('inc', 'fedora_repository', '/api/fedora_item');
module_load_include('inc', 'scholar', 'Coins');
module_load_include('inc', 'islandora_bibliography', 'Bibliography');
drupal_add_css(drupal_get_path('module', 'islandora_bibliography') . '/css/export.css');
drupal_add_css(drupal_get_path('module', 'scholar') . '/scholar.css');
static $path;
$path = drupal_get_path('module', 'scholar');
$items = array();
$type = "ol";
$title = NULL;
$recordStart = $results->response->start;
$limitResults = variable_get('islandora_solr_search_limit_result_fields', 0);
$highlights = $results->highlighting;
foreach ($highlights as $highlight) {
$fields = get_object_vars($highlight);
$keys = array_keys($fields);
if (count($keys) > 0) {
foreach ($highlight->$keys[0] as $body) {
//drupal_set_message("$keys[0] $body");
}
}
//drupal_set_message($highlight->$keys[0]);
}
global $base_url;
if (empty($results)) {
return "no results";
}
$row = 1;
foreach ($results->response->docs as $doc) {
$rows = array();
$csl = 'default';
$style = citeproc_style($csl);
$bibliography = new CiteProcJSBibliography($style);
$mods = islandora_bibilgraphy_form_get_mods($doc->PID);
if ($mods) {
$ref = citeproc_citation_from_mods($mods);
$bibliography->addCitation($ref);
}
$dc_attribute = 'dc.title';
$dc_title = $doc->$dc_attribute;
$dc_title = preg_replace('/\s+/', ' ', $dc_title);
$dc_title = str_replace(array('/', ':', '-', ' and ', ' or ', ' of ', ' in ', ' on ', ' to ', ' for ', ' with ', ' the ', 'The ', ' but ', ' not ', ' by '), ' ', $dc_title);
if (is_array($dc_title)) {
$dc_title = $dc_title[0];
}
if (strlen($dc_title) > 60) {
$array = explode(' ', $dc_title);
$dc_title = implode(' ', array_slice($array, 0, 9));
}
if ($mods) {
$object = new Fedora_Item($doc->PID);
$ds_array = $object->get_datastreams_list_as_array();
$pdf_check = array_key_exists('PDF', $ds_array) || array_key_exists('OBJ', $ds_array);
$check = '';
if (array_key_exists('OBJ', $ds_array)) {
$check = 'OBJ';
}
if (array_key_exists('PDF', $ds_array)) {
$check = 'PDF';
}
$data = new Coins($doc->PID);
switch ($check) {
case 'OBJ':
$obj = $object->get_datastream('OBJ');
$download_img = $base_url . '/' . $path . '/images/download.png';
$pdf_result = '<div class="scholar_pdf">' . l('<img src="' . $download_img . '"/> Download Fulltext', 'fedora/repository/' . $doc->PID . '/OBJ/OBJ', array('html' => TRUE)) . '</div>';
break;
case 'PDF':
$pdf = $object->get_datastream('PDF');
$download_img = $base_url . '/' . $path . '/images/download.png';
$pdf_result = '<div class="scholar_pdf">' . l('<img src="' . $download_img . '"/> Download Fulltext', 'fedora/repository/' . $doc->PID . '/PDF/PDF', array('html' => TRUE)) . '</div>';
break;
default:
$coins_url = ' 				http://articles.library.upei.ca:7888/godot/hold_tab.cgi?hold_tab_branch=PCU&issn=' . $data->issn . '&date=' . $data->date . '&volume=' . $data->volume . '&issue=' . $data->issue . '&spage=' . $data->start_page . '&atitle=' . $data->title . '&stitle=' . $data->sub_title;
$pdf_result = '<div class="scholar_pdf"><A HREF="' . $coins_url . '"><img src="http://library.upei.ca/sites/all/files/sharedfolder/files/getit_upei.gif" /> </A></div>';
break;
}
$abstract_snippet = 600;
if (strlen($data->abstract) > $abstract_snippet) {
$abstract = substr($data->abstract, 0, $abstract_snippet);
$abstract .= '...';
}
else {
$abstract = $data->abstract;
}
$bibliography_text = Bibliography::Exists($doc->PID) ? 'Remove from Bibliography' : 'Add to Bibliography';
$object_title = '<div class="scholar_search_title">' . l($data->title, 'fedora/repository/' . $doc->PID, array('html' => TRUE)) . '</div>';
$bookmark = '<div class="scholar_search_bookmark">' . drupal_get_form('islandora_bibliography_citation_search_form', $doc->PID) . '</div><div class="scholar_search_bookmark_text">' . $bibliography_text . '</div>';
$related = '<div class="scholar_search_related">' . l('<img src="' . $base_url . '/' . $path . '/images/reload.png"/> Related content', 'islandora/solr/search/' . str_replace(' ', ' OR ', $dc_title), array('html' => TRUE)) . '</div>';
$rows[][] = $object_title . '<div class="scholar_search_citation">' . $bibliography->render() . '</div>' . '<div class="scholar_search_citation">' . $abstract . '</div>' . $pdf_result . $bookmark . $related;
$row++;
}
else {
foreach ($doc as $field => $value) {
if ($limitResults && empty($this->resultFieldArray[$field])) {
continue;
}
$translated_field_name = isset($this->allSubsArray[$field]) ? $this->allSubsArray[$field] : $field;
$rows[$row][] = array(
'data' => $translated_field_name,
'header' => TRUE,
);
if ($field == 'PID') {
$l = l($value, 'fedora/repository/' . htmlspecialchars($value, ENT_QUOTES, 'utf-8')) . '</BR>';
$rows[$row][] = $l;
}
elseif ($field == 'Title' && is_array($value)) {
$rows[$row][] = ucfirst(ltrim($value[0]));
}
else {
$rows[$row][] = ucfirst(ltrim($value));
}
$row++;
}
}
$items[] = theme_table(NULL, $rows, array('class' => 'islandora_solr_search_results_object'));
}
$output = theme_item_list($items, $title, $type, array('class' => 'stuff', 'start' => ($recordStart + 1)));
if (variable_get('islandora_solr_search_debug_mode', 0)) { // debug dump
$results_r .= "<pre>Results: " . print_r($results, TRUE) . "</pre>";
$fieldset_r = array(
'#title' => t("Raw Results"),
'#collapsible' => TRUE,
'#collapsed' => TRUE,
'#value' => $results_r,
);
$output .= theme('fieldset', $fieldset_r);
}
// $_SESSION['search_url'] = $_SERVER['REQUEST_URI'];
$_SESSION['search_url'] = request_uri();
return implode('', $items);
}
}