/**
* Initialise the object from the global
* search parameters in $_REQUEST.
*
* @access public
* @var string|LibrarySearchSource|LocationSearchSource $searchSource
* @return boolean
*/
public function init($searchSource = null)
{
global $module;
global $action;
// Call the standard initialization routine in the parent:
parent::init($searchSource);
$this->indexEngine->setSearchSource($searchSource);
//********************
// 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 = $this->restoreSavedSearch(null, true, true);
if ($restored === true) {
return true;
} else {
if (PEAR_Singleton::isError($restored)) {
return false;
}
}
//********************
// Initialize standard search parameters
$this->initView();
$this->initPage();
$this->initSort();
$this->initFilters();
//Marmot - search both ISBN-10 and ISBN-13
//Check to see if the search term looks like an ISBN10 or ISBN13
if (isset($_REQUEST['type']) && isset($_REQUEST['lookfor']) && ($_REQUEST['type'] == 'ISN' || $_REQUEST['type'] == 'Keyword' || $_REQUEST['type'] == 'AllFields') && (preg_match('/^\\d-?\\d{3}-?\\d{5}-?\\d$/', $_REQUEST['lookfor']) || preg_match('/^\\d{3}-?\\d-?\\d{3}-?\\d{5}-?\\d$/', $_REQUEST['lookfor']))) {
require_once ROOT_DIR . '/sys/ISBN.php';
$isbn = new ISBN($_REQUEST['lookfor']);
$_REQUEST['lookfor'] = $isbn->get10() . ' OR ' . $isbn->get13();
}
//********************
// Basic Search logic
if ($this->initBasicSearch()) {
// If we found a basic search, we don't need to do anything further.
} else {
if (isset($_REQUEST['tag']) && $module != 'MyResearch') {
// Tags, just treat them as normal searches for now.
// The search processer knows what to do with them.
if ($_REQUEST['tag'] != '') {
$this->searchTerms[] = array('index' => 'tag', 'lookfor' => strip_tags($_REQUEST['tag']));
}
} else {
$this->initAdvancedSearch();
}
}
//********************
// Author screens - handled slightly differently
if ($module == 'Author') {
// *** Things in common to both screens
// Log a special type of search
$this->searchType = 'author';
// We don't spellcheck this screen
// it's not for free user intput anyway
$this->spellcheck = false;
// *** Author/Home
if ($action == 'Home') {
$this->searchSubType = 'home';
// Remove our empty basic search (default)
$this->searchTerms = array();
// Prepare the search as a normal author search
$this->searchTerms[] = array('index' => 'Author', 'lookfor' => trim(strip_tags($_REQUEST['author'])));
}
// *** Author/Search
if ($action == 'Search') {
$this->searchSubType = 'search';
// We already have the 'lookfor', just set the index
$this->searchTerms[0]['index'] = 'Author';
// We really want author facet data
$this->facetConfig = array();
$this->addFacet('authorStr');
// Offset the facet list by the current page of results, and
// allow up to ten total pages of results -- since we can't
// get a total facet count, this at least allows the paging
// mechanism to automatically add more pages to the end of the
// list so that users can browse deeper and deeper as they go.
// TODO: Make this better in the future if Solr offers a way
// to get a total facet count (currently not possible).
$this->facetOffset = ($this->page - 1) * $this->limit;
$this->facetLimit = $this->limit * 10;
// Sorting - defaults to off with unlimited facets, so let's
// be explicit here for simplicity.
if (isset($_REQUEST['sort']) && $_REQUEST['sort'] == 'author') {
$this->setFacetSortOrder('index');
} else {
$this->setFacetSortOrder('count');
}
}
} else {
if ($module == 'Search' && ($action == 'NewItem' || $action == 'Reserves')) {
// We don't need spell checking
$this->spellcheck = false;
$this->searchType = strtolower($action);
} else {
if ($module == 'MyResearch') {
$this->spellcheck = false;
$this->searchType = $action == 'Home' ? 'favorites' : 'list';
}
}
}
// If a query override has been specified, log it here
if (isset($_REQUEST['q'])) {
$this->query = strip_tags($_REQUEST['q']);
}
return true;
}