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crowdsource_search.php
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<?php
# @name: crowdsource_search.php
# @version: 0.2
# @creation_date: 2019-05-29
# @license: The MIT License <https://opensource.org/licenses/MIT>
# @author: Simon Bowie <sb174@soas.ac.uk>
# @purpose: A prototype of a web application to crowdsource cataloguing for SOAS' bibliographic records
# @description: This page retrieves and displays search results for bibliographic records by querying OLE's Apache Solr API. It then directs the user to an edit page for the record they select.
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>SOAS Library crowdsourced cataloguing</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!--===============================================================================================-->
<link rel="icon" type="image/png" href="images/icons/soas-favicon.ico"/>
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/bootstrap/css/bootstrap.min.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="fonts/font-awesome-4.7.0/css/font-awesome.min.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/animate/animate.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/css-hamburgers/hamburgers.min.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/animsition/css/animsition.min.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/select2/select2.min.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="vendor/daterangepicker/daterangepicker.css">
<!--===============================================================================================-->
<link rel="stylesheet" type="text/css" href="css/util.css">
<link rel="stylesheet" type="text/css" href="css/soas.css">
<!--===============================================================================================-->
</head>
<body>
<?php
require __DIR__ . '/vendor/autoload.php';
// Retrieve configuration variables from the config.env file
$dotenv = Dotenv\Dotenv::create(__DIR__, 'config.env');
$dotenv->load();
// Connect to Google Sheets API
/*
* We need to get a Google_Client object first to handle auth and api calls, etc.
*/
$client = new \Google_Client();
$client->setApplicationName('crowdsource');
$client->setScopes([\Google_Service_Sheets::SPREADSHEETS]);
$client->setAccessType('offline');
/*
* The JSON auth file can be provided to the Google Client in two ways, one is as a string which is assumed to be the
* path to the json file. This is a nice way to keep the creds out of the environment.
*/
#$jsonAuth = getenv('JSON_AUTH');
#$client->setAuthConfig(json_decode($jsonAuth, true));
$client->setAuthConfig(__DIR__ . '/crowdsource-ecca04407a4e.json');
/*
* With the Google_Client we can get a Google_Service_Sheets service object to interact with sheets
*/
$sheets = new \Google_Service_Sheets($client);
// Retrieve the language for the application to work on from the Google Sheets spreadsheet identified in config.env
$spreadsheetId = $_ENV['spreadsheet_id'];
$range = 'config!A3';
#$language = $_ENV['language'];
$language_array = $sheets->spreadsheets_values->get($spreadsheetId, $range);
$language = $language_array['values'][0][0];
?>
<div class="limiter">
<div class="container-login100">
<div class="wrap-login100">
<div class="logo-div">
<a href="index.php"><img src="images/soas-logo-transparent.png" alt="SOAS Library" class="logo"></a>
<!-- The language of the application is determined by a variable set in the Google Sheets spreadsheet identified in config.env -->
<span class="title-content100">
Help us learn <?php echo $language; ?>
</span>
<span class="subtitle-content100">
You can help us make <?php echo $language; ?> books easier to find by submitting titles and authors in the original script
</span>
</div>
<div class="login100-form p-l-55 p-r-55 p-t-50">
<!-- The language of the application is determined by a variable set in the Google Sheets spreadsheet identified in config.env -->
<div class="content100">
<?php
// Retrieve the search parameter inputted by the user on index.php
$search = urlencode($_POST["search"]);
// Assemble a query string to send to Solr. This uses the Solr hostname from config.env. Solr's query syntax can be found at many sites including https://lucene.apache.org/solr/guide/6_6/the-standard-query-parser.html
// This query retrieves only the bib identifier field for records which satisfy the search query
$solrurl = $_ENV['solr_hostname'] . '/solr/bib/select?fl=bibIdentifier&fq=DocType:bibliographic&fq=Language_search:' . $language . '&indent=on&q=Title_search:' . $search . '%20OR%20Author_search:' . $search . '%20OR%20Publisher_search:' . $search . '%20OR%20PublicationDate_search:' . $search . '%20OR%20PublicationPlace_search:' . $search . '%20OR%20LocalId_display:' . $search . '%20OR%20ItemBarcode_search:' . $search . '%20OR%20ISBN_search:' . $search . '&rows=5000&wt=xml';
// Perform Curl request on the Solr API
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $solrurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
$response = curl_exec($ch);
curl_close($ch);
// Turn the API response into useful XML
$xml = new SimpleXMLElement($response);
// If no results are found, display a message
if ($xml->result->attributes()->numFound == '0'){
?>
<div class="wrap-result100">
<div class="wrap-header100">
<div class="wrap-content100 p-t-05 p-b-50">
No results found
</div>
</div>
</div>
<?php
}
// Otherwise, for each result found, retrieve full Marc bibliographic records from the OLE Docstore API and display relevant fields
else {
foreach ($xml->result->doc as $result){
foreach ($result->arr->str as $id){
// Remove the wbm- prefix from the bib identifier
$bib_id = ltrim($id, "wbm-");
// Assemble a URL for the Docstore API. This uses the OLE Docstore hostname from config.ev
$baseurl = $_ENV['docstore_hostname'] . '/oledocstore/documentrest/';
$retrieve_bib = '/bib/doc?bibId=';
// Perform Curl request on the OLE Docstore API
$ch = curl_init();
$queryParams = $bib_id;
curl_setopt($ch, CURLOPT_URL, $baseurl . $retrieve_bib . $queryParams);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');
$response = curl_exec($ch);
curl_close($ch);
// Turn the API response into useful XML
$xml = new SimpleXMLElement($response);
// XML from the Docstore contains embedded MarcXML in the content field. Take this field and turn it into useful XML
$content = $xml->content;
$content = new SimpleXMLElement($content);
// XML namespaces are improperly set in MarcXML so we have to assign a namespace in order to use xpath to perform advanced XML retrieval below
foreach($content->getDocNamespaces() as $strPrefix => $strNamespace) {
if(strlen($strPrefix)==0) {
// Assign an arbitrary namespace prefix
$strPrefix="a";
}
$content->registerXPathNamespace($strPrefix,$strNamespace);
}
?>
<div class="wrap-result100">
<!-- Each result displays the title from the bib record -->
<div class="wrap-header100">
<div class="wrap-content100 p-t-05 p-b-10">
<strong>Title:</strong>
<?php
// Display each subfield (that is not a $6 subfield) for each 245 field
foreach ($content->xpath("///a:datafield[@tag='245']/a:subfield[@code!='6']") as $subfield) {
echo (string) $subfield . " ";
}
?>
</div>
</div>
<!-- If there is an alternative title field, display it -->
<?php
if ($content->xpath("///a:datafield[@tag='246']/a:subfield[@code!='6']")):
?>
<div class="wrap-header100">
<div class="wrap-content100 p-t-05 p-b-10">
<strong>Alternative title:</strong>
<?php
// Display each subfield (that is not a $6 subfield) for each 246 field
foreach ($content->xpath("///a:datafield[@tag='246']/a:subfield[@code!='6']") as $subfield) {
echo (string) $subfield . " ";
}
?>
</div>
</div>
<?php
endif;
?>
<!-- If there is a main author field, display it -->
<?php
if ($content->xpath("///a:datafield[@tag='100']/a:subfield[@code!='6']")):
?>
<div class="wrap-header100">
<div class="wrap-content100 p-t-05 p-b-10">
<strong>Main author:</strong>
<?php
// Display each subfield (that is not a $6 subfield) for each 100 field
foreach ($content->xpath("///a:datafield[@tag='100']/a:subfield[@code!='6']") as $subfield) {
echo (string) $subfield . " ";
}
?>
</div>
</div>
<?php
endif;
?>
<!-- If there is a publication details field, display it. Note that publication details may be in either the 260 or the 264 field -->
<?php
if ($content->xpath("///a:datafield[@tag='260']/a:subfield[@code!='6']|///a:datafield[@tag='264']/a:subfield[@code!='6']")):
?>
<div class="wrap-header100">
<div class="wrap-content100 p-t-05 p-b-10">
<strong>Publication details:</strong>
<?php
// Display each subfield (that is not a $6 subfield) for each 260 field or 264 field
foreach ($content->xpath("///a:datafield[@tag='260']/a:subfield[@code!='6']|///a:datafield[@tag='264']/a:subfield[@code!='6']") as $subfield) {
echo (string) $subfield . " ";
}
?>
</div>
</div>
<?php
endif;
?>
<!-- This form sends the 001 bib identifier to crowdsource_edit.php as a hidden parameter. We will use it in crowdsource_edit to retrieve bib details from the Marc record via the OLE Docstore API -->
<form class="p-l-55 p-r-55 p-b-75" action="crowdsource_edit.php" method="POST">
<input type="hidden" value="
<?php
// Create a hidden input value for each 001 field (a record should only ever have one 001 field
foreach ($content->xpath("///a:controlfield[@tag='001']") as $controlfield) {
echo (string) $controlfield;
}
?>
" name="id" />
<div class="container-login100-form-btn">
<button class="login100-form-btn">
Edit
</button>
</div>
</form>
</div>
<?php
}
}
}
?>
<span class="flex-col-c p-b-20">
<a href="crowdsource_about.php">About the project</a>
</span>
<span class="flex-col-c p-b-20">
<a href="crowdsource_feedback.php">Send feedback</a>
</span>
<span class="flex-col-c p-b-40">
<a href="index.php">Home</a>
</span>
</div>
</div>
</div>
</div>
</div>
<!--===============================================================================================-->
<script src="vendor/jquery/jquery-3.2.1.min.js"></script>
<!--===============================================================================================-->
<script src="vendor/animsition/js/animsition.min.js"></script>
<!--===============================================================================================-->
<script src="vendor/bootstrap/js/popper.js"></script>
<script src="vendor/bootstrap/js/bootstrap.min.js"></script>
<!--===============================================================================================-->
<script src="vendor/select2/select2.min.js"></script>
<!--===============================================================================================-->
<script src="vendor/daterangepicker/moment.min.js"></script>
<script src="vendor/daterangepicker/daterangepicker.js"></script>
<!--===============================================================================================-->
<script src="vendor/countdowntime/countdowntime.js"></script>
<!--===============================================================================================-->
<script src="js/main.js"></script>
<!--===============================================================================================-->
</body>
</html>