/**
* Render an HTML checkbox control for the current record.
*
* @param string $idPrefix Prefix for checkbox HTML ids
*
* @return string
*/
public function getCheckbox($idPrefix = '')
{
static $checkboxCount = 0;
$id = $this->driver->getSourceIdentifier() . '|' . $this->driver->getUniqueId();
$context = ['id' => $id, 'count' => $checkboxCount++, 'prefix' => $idPrefix];
return $this->contextHelper->renderInContext('record/checkbox.phtml', $context);
}
/**
* Establishes base settings for making recommendations.
*
* @param string $settings Settings from config.ini
* @param \VuFind\RecordDriver\AbstractBase $driver Record driver object
*
* @return void
*/
public function init($settings, $driver)
{
// Create array of query parts:
$parts = [];
// Add Dewey class to query
$deweyClass = $driver->tryMethod('getDeweyCallNumber');
if (!empty($deweyClass)) {
// Skip "English Fiction" Dewey class -- this won't give us useful
// matches because there's too much of it and it's too broad.
if (substr($deweyClass, 0, 3) != '823') {
$parts[] = 'srw.dd any "' . $deweyClass . '"';
}
}
// Add author to query
$author = $driver->getPrimaryAuthor();
if (!empty($author)) {
$parts[] = 'srw.au all "' . $author . '"';
}
// Add subjects to query
$subjects = $driver->getAllSubjectHeadings();
foreach ($subjects as $current) {
$parts[] = 'srw.su all "' . implode(' ', $current) . '"';
}
// Add title to query
$title = $driver->getTitle();
if (!empty($title)) {
$parts[] = 'srw.ti any "' . str_replace('"', '', $title) . '"';
}
// Build basic query:
$query = '(' . implode(' or ', $parts) . ')';
// Not current record ID if this is already a WorldCat record:
if ($driver->getSourceIdentifier() == 'WorldCat') {
$id = $driver->getUniqueId();
$query .= " not srw.no all \"{$id}\"";
}
// Perform the search and save results:
$queryObj = new \VuFindSearch\Query\Query($query);
$result = $this->searchService->search('WorldCat', $queryObj, 0, 5);
$this->results = $result->getRecords();
}
/**
* Establishes base settings for making recommendations.
*
* @param string $settings Settings from config.ini
* @param \VuFind\RecordDriver\AbstractBase $driver Record driver object
*
* @return void
*/
public function init($settings, $driver)
{
$this->results = $this->searchService->similar($driver->getSourceIdentifier(), $driver->getUniqueId());
}
/**
* Get the previous/next record in the last search
* result set relative to the current one, also return
* the position of the current record in the result set.
* Return array('previousRecord'=>previd, 'nextRecord'=>nextid,
* 'currentPosition'=>number, 'resultTotal'=>number).
*
* @param \VuFind\RecordDriver\AbstractBase $driver Driver for the record
* currently being displayed
*
* @return array
*/
public function getScrollData($driver)
{
$retVal = ['firstRecord' => null, 'lastRecord' => null, 'previousRecord' => null, 'nextRecord' => null, 'currentPosition' => null, 'resultTotal' => null];
// Do nothing if disabled or data missing:
if ($this->enabled && isset($this->data->currIds) && isset($this->data->searchId) && ($lastSearch = $this->restoreLastSearch())) {
// Make sure expected data elements are populated:
if (!isset($this->data->prevIds)) {
$this->data->prevIds = null;
}
if (!isset($this->data->nextIds)) {
$this->data->nextIds = null;
}
// Store total result set size:
$retVal['resultTotal'] = isset($this->data->total) ? $this->data->total : 0;
// Set first and last record IDs
if ($this->data->firstlast) {
$retVal['firstRecord'] = $this->getFirstRecordId($lastSearch);
$retVal['lastRecord'] = $this->getLastRecordId($lastSearch);
}
// build a full ID string using the driver:
$id = $driver->getSourceIdentifier() . '|' . $driver->getUniqueId();
// find where this record is in the current result page
$pos = is_array($this->data->currIds) ? array_search($id, $this->data->currIds) : false;
if ($pos !== false) {
// OK, found this record in the current result page
// calculate its position relative to the result set
$retVal['currentPosition'] = ($this->data->page - 1) * $this->data->limit + $pos + 1;
// count how many records in the current result page
$count = count($this->data->currIds);
if ($pos > 0 && $pos < $count - 1) {
// the current record is somewhere in the middle of the current
// page, ie: not first or last
return $this->scrollOnCurrentPage($retVal, $pos);
} else {
if ($pos == 0) {
// this record is first record on the current page
return $this->fetchPreviousPage($retVal, $lastSearch, $pos, $count);
} else {
if ($pos == $count - 1) {
// this record is last record on the current page
return $this->fetchNextPage($retVal, $lastSearch, $pos);
}
}
}
} else {
// the current record is not on the current page
// if there is something on the previous page
if (!empty($this->data->prevIds)) {
// check if current record is on the previous page
$pos = is_array($this->data->prevIds) ? array_search($id, $this->data->prevIds) : false;
if ($pos !== false) {
return $this->scrollToPreviousPage($retVal, $lastSearch, $pos);
}
}
// if there is something on the next page
if (!empty($this->data->nextIds)) {
// check if current record is on the next page
$pos = is_array($this->data->nextIds) ? array_search($id, $this->data->nextIds) : false;
if ($pos !== false) {
return $this->scrollToNextPage($retVal, $lastSearch, $pos);
}
}
if ($this->data->firstlast) {
if ($id == $retVal['firstRecord']) {
return $this->scrollToFirstRecord($retVal, $lastSearch);
}
if ($id == $retVal['lastRecord']) {
return $this->scrollToLastRecord($retVal, $lastSearch);
}
}
}
}
return $retVal;
}
