/**
* Initialise the object from the global
* search parameters in $_REQUEST.
*
* @access public
* @return boolean
*/
public function init()
{
// Call the standard initialization routine in the parent:
parent::init();
//********************
// Check if we have a saved search to restore -- if restored successfully,
// our work here is done; if there is an error, we should report failure;
// if restoreSavedSearch returns false, we should proceed as normal.
$restored = $this->restoreSavedSearch();
if ($restored === true) {
return true;
} else {
if (PEAR_Singleton::isError($restored)) {
return false;
}
}
$this->initView();
$this->initPage();
$this->initSort();
// Try to find a basic search first; check for advanced if no basic found.
if (!$this->initBasicSearch()) {
$this->initAdvancedSearch();
}
return true;
}
/**
* Load titles that have been rated by other users which are similar to this.
*
* @param SearchObject_Solr|SearchObject_Base $db
* @param UserRating $ratedTitle
* @param integer $userId
* @param array $ratedTitles
* @param array $suggestions
* @param integer[] $notInterestedTitles
* @return int The number of suggestions for this title
*/
static function getSimilarlyRatedTitles($db, $ratedTitle, $userId, $ratedTitles, &$suggestions, $notInterestedTitles)
{
$numRecommendations = 0;
//If there is no ISBN, can we come up with an alternative algorithm?
//Possibly using common ratings with other patrons?
//Get a list of other patrons that have rated this title and that like it as much or more than the active user..
$otherRaters = new UserRating();
//Query the database to get items that other users who rated this liked.
$sqlStatement = "SELECT resourceid, record_id, " . " sum(case rating when 5 then 10 when 4 then 6 end) as rating " . " FROM `user_rating` inner join resource on resource.id = user_rating.resourceid WHERE userId in " . " (select userId from user_rating where resourceId = " . $ratedTitle->resourceid . " and rating >= 4 " . " and userid != " . $userId . ") " . " and rating >= 4 " . " and resourceId != " . $ratedTitle->resourceid . " and deleted = 0 " . " group by resourceid order by rating desc limit 10";
//Sort so the highest titles are on top and limit to 10 suggestions.
$otherRaters->query($sqlStatement);
if ($otherRaters->N > 0) {
//Other users have also rated this title.
while ($otherRaters->fetch()) {
//Process the title
disableErrorHandler();
if (!($ownedRecord = $db->getRecord($otherRaters->record_id))) {
//Old record which has been removed? Ignore for purposes of suggestions.
continue;
}
enableErrorHandler();
//get the title from the Solr Index
if (isset($ownedRecord['isbn'])) {
if (strpos($ownedRecord['isbn'][0], ' ') > 0) {
$isbnInfo = explode(' ', $ownedRecord['isbn'][0]);
$isbn = $isbnInfo[0];
} else {
$isbn = $ownedRecord['isbn'][0];
}
$isbn13 = strlen($isbn) == 13 ? $isbn : ISBNConverter::convertISBN10to13($isbn);
$isbn10 = strlen($isbn) == 10 ? $isbn : ISBNConverter::convertISBN13to10($isbn);
} else {
$isbn13 = '';
$isbn10 = '';
}
//See if we can get the series title from the record
if (isset($ownedRecord['series'])) {
$series = $ownedRecord['series'][0];
} else {
$series = '';
}
$similarTitle = array('title' => $ownedRecord['title'], 'title_short' => $ownedRecord['title_short'], 'author' => isset($ownedRecord['author']) ? $ownedRecord['author'] : '', 'publicationDate' => $ownedRecord['publishDate'], 'isbn' => $isbn13, 'isbn10' => $isbn10, 'upc' => isset($ownedRecord['upc']) ? $ownedRecord['upc'][0] : '', 'recordId' => $ownedRecord['id'], 'id' => $ownedRecord['id'], 'libraryOwned' => true, 'isCurrent' => false, 'shortId' => substr($ownedRecord['id'], 1), 'format_category' => isset($ownedRecord['format_category']) ? $ownedRecord['format_category'] : '', 'format' => $ownedRecord['format'], 'recordtype' => $ownedRecord['recordtype'], 'series' => $series, 'grouping_term' => $ownedRecord['grouping_term']);
$numRecommendations++;
Suggestions::addTitleToSuggestions($ratedTitle, $similarTitle['title'], $similarTitle['recordId'], $similarTitle, $ratedTitles, $suggestions, $notInterestedTitles);
}
}
return $numRecommendations;
}
/**
* Get an array of strings to attach to a base URL in order to reproduce the
* current search.
*
* @access protected
* @return array Array of URL parameters (key=url_encoded_value format)
*/
protected function getSearchParams()
{
$params = parent::getSearchParams();
$params[] = 'genealogyType=' . $_REQUEST['genealogyType'];
return $params;
}
/**
* Get information on the current state of the boolean checkbox facets.
*
* @return array
* @access public
*/
public function getCheckboxFacets()
{
// Grab checkbox facet details using the standard method:
$facets = parent::getCheckboxFacets();
// Special case -- if we have a "holdings only" facet, we want this to
// always appear, even on the "no results" screen, since setting this
// facet actually EXPANDS the result set, rather than reducing it:
if (isset($facets['holdingsOnly'])) {
$facets['holdingsOnly']['alwaysVisible'] = true;
}
// Return modified list:
return $facets;
}
/**
* Add a field to facet on.
*
* @access public
* @param string $newField Field name
* @param string $newAlias Optional on-screen display label
*/
public function addFacet($newField, $newAlias = null)
{
// Save the full field name (which may include extra parameters);
// we'll need these to do the proper search using the Summon class:
$this->fullFacetSettings[] = $newField;
// Strip parameters from field name if necessary (since they get
// in the way of most Search Object functionality):
$newField = explode(',', $newField);
$newField = trim($newField[0]);
parent::addFacet($newField, $newAlias);
}
/**
* Load all recommendation settings from the relevant ini file. Returns an
* associative array where the key is the location of the recommendations (top
* or side) and the value is the settings found in the file (which may be either
* a single string or an array of strings).
*
* @access protected
* @return array associative: location (top/side) => search settings
*/
protected function getRecommendationSettings()
{
// Special hard-coded case for author module. We should make this more
// flexible in the future!
// Marmot hard-coded case and use searches.ini and facets.ini instead.
/*if ($this->searchType == 'author') {
return array('side' => array('SideFacets:Author'));
}*/
// Use default case from parent class the rest of the time:
return parent::getRecommendationSettings();
}
/**
* Load all recommendation settings from the relevant ini file. Returns an
* associative array where the key is the location of the recommendations (top
* or side) and the value is the settings found in the file (which may be either
* a single string or an array of strings).
*
* @return array associative: location (top/side) => search settings
* @access protected
*/
protected function getRecommendationSettings()
{
// Special case for author module. Use settings from searches.ini if
// present; default to old hard-coded defaults otherwise for legacy
// compatibility.
if ($this->searchType == 'author') {
$searchSettings = getExtraConfigArray('searches');
return isset($searchSettings['AuthorModuleRecommendations']) ? $searchSettings['AuthorModuleRecommendations'] : array('side' => array('ExpandFacets:Author'));
}
// Use default case from parent class the rest of the time:
return parent::getRecommendationSettings();
}
/**
* Return the field (index) searched by a basic search
*
* @return string The searched index
* @access public
*/
public function getSearchIndex()
{
// Use normal parent method for non-advanced searches.
if ($this->searchType == $this->basicSearchType) {
return parent::getSearchIndex();
} else {
return null;
}
}
private function getBrowseCategoryResults($pageToLoad = 1)
{
$browseMode = $this->setBrowseMode();
if ($pageToLoad == 1 && !isset($_REQUEST['reload'])) {
// only first page is cached
global $memCache, $solrScope;
$key = 'browse_category_' . $this->textId . '_' . $solrScope . '_' . $browseMode;
$browseCategoryInfo = $memCache->get($key);
if ($browseCategoryInfo != false) {
return $browseCategoryInfo;
}
}
$result = array('result' => false);
$browseCategory = $this->getBrowseCategory();
if ($browseCategory) {
global $interface;
$interface->assign('browseCategoryId', $this->textId);
$result['result'] = true;
$result['textId'] = $browseCategory->textId;
$result['label'] = $browseCategory->label;
//$result['description'] = $browseCategory->description; // the description is not used anywhere on front end. plb 1-2-2015
// User List Browse Category //
if ($browseCategory->sourceListId != null && $browseCategory->sourceListId > 0) {
require_once ROOT_DIR . '/sys/LocalEnrichment/UserList.php';
$sourceList = new UserList();
$sourceList->id = $browseCategory->sourceListId;
if ($sourceList->find(true)) {
$records = $sourceList->getBrowseRecords(($pageToLoad - 1) * self::ITEMS_PER_PAGE, self::ITEMS_PER_PAGE);
} else {
$records = array();
}
$result['searchUrl'] = '/MyAccount/MyList/' . $browseCategory->sourceListId;
// Search Browse Category //
} else {
$this->searchObject = SearchObjectFactory::initSearchObject();
$defaultFilterInfo = $browseCategory->defaultFilter;
$defaultFilters = preg_split('/[\\r\\n,;]+/', $defaultFilterInfo);
foreach ($defaultFilters as $filter) {
$this->searchObject->addFilter(trim($filter));
}
//Set Sorting, this is actually slightly mangled from the category to Solr
$this->searchObject->setSort($browseCategory->getSolrSort());
if ($browseCategory->searchTerm != '') {
$this->searchObject->setSearchTerm($browseCategory->searchTerm);
}
//Get titles for the list
$this->searchObject->clearFacets();
$this->searchObject->disableSpelling();
$this->searchObject->disableLogging();
$this->searchObject->setLimit(self::ITEMS_PER_PAGE);
$this->searchObject->setPage($pageToLoad);
$this->searchObject->processSearch();
$records = $this->searchObject->getBrowseRecordHTML();
$result['searchUrl'] = $this->searchObject->renderSearchUrl();
//TODO: Check if last page
// Shutdown the search object
$this->searchObject->close();
}
if (count($records) == 0) {
$records[] = $interface->fetch('Browse/noResults.tpl');
}
$result['records'] = implode('', $records);
$result['numRecords'] = count($records);
}
// Store first page of browse category in the MemCache
if ($pageToLoad == 1) {
global $memCache, $configArray, $solrScope;
$key = 'browse_category_' . $this->textId . '_' . $solrScope . '_' . $browseMode;
$memCache->add($key, $result, 0, $configArray['Caching']['browse_category_info']);
}
return $result;
}
/**
* Initialise the object from the global
* search parameters in $_REQUEST.
*
* @return boolean
* @access public
*/
public function init()
{
// Call the standard initialization routine in the parent:
parent::init();
$this->initView();
$this->initPage();
$this->initSort();
$this->initFilters();
//********************
// Basic Search logic
return $this->initBasicSearch();
}
