/**
* Guardian Reviews
*
* This method is responsible for connecting to the Guardian and abstracting
* reviews for the specific ISBN.
*
* @param string $key API key (unused here)
* @param \VuFindCode\ISBN $isbnObj ISBN object
*
* @throws \Exception
* @return array Returns array with review data.
* @author Eoghan Ó Carragáin <*****@*****.**>
*
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function loadByIsbn($key, \VuFindCode\ISBN $isbnObj)
{
// Base request URL:
$url = "http://content.guardianapis.com/search?order-by=newest&format=json" . "&show-fields=all&reference=isbn%2F" . $isbnObj->get13();
// Only add api-key if one has been provided in config.ini. If no key is
// provided, a link to the Guardian can still be shown.
if (strlen($key) > 0) {
$url = $url . "&api-key=" . $key;
}
$this->debug('Guardian request: ' . $url);
// Find out if there are any reviews:
$result = $this->getHttpClient($url)->send();
// Was the request successful?
if ($result->isSuccess()) {
// parse json from response
$data = json_decode($result->getBody(), true);
if ($data) {
$result = [];
$i = 0;
foreach ($data['response']['results'] as $review) {
$result[$i]['Date'] = $review['webPublicationDate'];
$result[$i]['Summary'] = $review['fields']['headline'] . ". " . preg_replace('/<p>|<p [^>]*>|<\\/p>/', '', html_entity_decode($review['fields']['trailText']));
$result[$i]['ReviewURL'] = $review['fields']['shortUrl'];
// TODO: Make this configurable (or store it locally), so users
// running VuFind behind SSL don't get warnings due to
// inclusion of this non-SSL image URL:
$poweredImage = 'http://image.guardian.co.uk/sys-images/Guardian/' . 'Pix/pictures/2010/03/01/poweredbyguardianBLACK.png';
$result[$i]['Copyright'] = "<a href=\"" . $review['fields']['shortUrl'] . "\" target=\"new\">" . "<img src=\"{$poweredImage}\" " . "alt=\"Powered by the Guardian\" /></a>";
$result[$i]['Source'] = $review['fields']['byline'];
// Only return Content if the body tag contains a usable review
$redist = "Redistribution rights for this field are unavailable";
if (strlen($review['fields']['body']) > 0 && !strstr($review['fields']['body'], $redist)) {
$result[$i]['Content'] = $review['fields']['body'];
}
$i++;
}
return $result;
} else {
throw new \Exception('Could not parse Guardian response.');
}
} else {
return [];
}
}
/**
* Get all valid identifiers as an associative array.
*
* @return array
*/
protected function getIdentifiers()
{
$ids = [];
if ($this->isbn && $this->isbn->isValid()) {
$ids['isbn'] = $this->isbn;
}
if ($this->issn && strlen($this->issn) == 8) {
$ids['issn'] = $this->issn;
}
if ($this->oclc && strlen($this->oclc) > 0) {
$ids['oclc'] = $this->oclc;
}
if ($this->upc && strlen($this->upc) > 0) {
$ids['upc'] = $this->upc;
}
return $ids;
}
/**
* Test Invalid ISBN-10.
*
* @return void
*/
public function testInvalidISBN10()
{
// Invalid ISBN-10:
$isbn = new ISBN('2314346323');
$this->assertFalse($isbn->get10());
$this->assertFalse($isbn->get13());
$this->assertFalse($isbn->isValid());
}
/**
* Parse OpenURL and return a keyed array
*
* @return array
*/
protected function parseOpenURL()
{
$title = '';
$atitle = '';
$author = '';
$isbn = '';
$issn = '';
$eissn = '';
$date = '';
$volume = '';
$issue = '';
$spage = '';
$journal = false;
$request = $this->getRequest()->getQuery()->toArray() + $this->getRequest()->getPost()->toArray();
if (isset($request['url_ver']) && $request['url_ver'] == 'Z39.88-2004') {
// Parse OpenURL 1.0
if (isset($request['rft_val_fmt']) && $request['rft_val_fmt'] == 'info:ofi/fmt:kev:mtx:book') {
// Book format
$isbn = isset($request['rft_isbn']) ? $request['rft_isbn'] : '';
if (isset($request['rft_btitle'])) {
$title = $request['rft_btitle'];
} else {
if (isset($request['rft_title'])) {
$title = $request['rft_title'];
}
}
} else {
// Journal / Article / something
$journal = true;
$eissn = isset($request['rft_eissn']) ? $request['rft_eissn'] : '';
$atitle = isset($request['rft_atitle']) ? $request['rft_atitle'] : '';
if (isset($request['rft_jtitle'])) {
$title = $request['rft_jtitle'];
} else {
if (isset($request['rft_title'])) {
$title = $request['rft_title'];
}
}
}
if (isset($request['rft_aulast'])) {
$author = $request['rft_aulast'];
}
if (isset($request['rft_aufirst'])) {
$author .= ' ' . $request['rft_aufirst'];
} else {
if (isset($request['rft_auinit'])) {
$author .= ' ' . $request['rft_auinit'];
}
}
$issn = isset($request['rft_issn']) ? $request['rft_issn'] : '';
$date = isset($request['rft_date']) ? $request['rft_date'] : '';
$volume = isset($request['rft_volume']) ? $request['rft_volume'] : '';
$issue = isset($request['rft_issue']) ? $request['rft_issue'] : '';
$spage = isset($request['rft_spage']) ? $request['rft_spage'] : '';
} else {
// OpenURL 0.1
$issn = isset($request['issn']) ? $request['issn'] : '';
$date = isset($request['date']) ? $request['date'] : '';
$volume = isset($request['volume']) ? $request['volume'] : '';
$issue = isset($request['issue']) ? $request['issue'] : '';
$spage = isset($request['spage']) ? $request['spage'] : '';
$isbn = isset($request['isbn']) ? $request['isbn'] : '';
$atitle = isset($request['atitle']) ? $request['atitle'] : '';
if (isset($request['jtitle'])) {
$title = $request['jtitle'];
} else {
if (isset($request['btitle'])) {
$title = $request['btitle'];
} else {
if (isset($request['title'])) {
$title = $request['title'];
}
}
}
if (isset($request['aulast'])) {
$author = $request['aulast'];
}
if (isset($request['aufirst'])) {
$author .= ' ' . $request['aufirst'];
} else {
if (isset($request['auinit'])) {
$author .= ' ' . $request['auinit'];
}
}
}
if (ISBN::isValidISBN10($isbn) || ISBN::isValidISBN13($isbn)) {
$isbnObj = new ISBN($isbn);
$isbn = $isbnObj->get13();
}
return compact('journal', 'atitle', 'title', 'author', 'isbn', 'issn', 'eissn', 'date', 'volume', 'issue', 'spage');
}
/**
* Return the first valid ISBN found in the record (favoring ISBN-10 over
* ISBN-13 when possible).
*
* @return mixed
*/
public function getCleanISBN()
{
// Get all the ISBNs and initialize the return value:
$isbns = $this->getISBNs();
$isbn13 = false;
// Loop through the ISBNs:
foreach ($isbns as $isbn) {
// Strip off any unwanted notes:
if ($pos = strpos($isbn, ' ')) {
$isbn = substr($isbn, 0, $pos);
}
// If we find an ISBN-10, return it immediately; otherwise, if we find
// an ISBN-13, save it if it is the first one encountered.
$isbnObj = new ISBN($isbn);
if ($isbn10 = $isbnObj->get10()) {
return $isbn10;
}
if (!$isbn13) {
$isbn13 = $isbnObj->get13();
}
}
return $isbn13;
}
/**
* Check if passed string is an ISBN and convert to ISBN-13
*
* @param string $searchString The query string
*
* @return valid ISBN-13 or the original string
*/
protected function normalizeISBN($searchString)
{
if (!ISBN::isValidISBN10($searchString)) {
return $searchString;
}
$isbn = new ISBN($searchString);
return $isbn->get13();
}
