public function doExecute()
{
$lang = $this->request->getProperty("lang");
// main list of subcategories and databases
$objXml = new DOMDocument();
$objXml->loadXML("<category />");
// list of subcategories that should go in the sidebar
$objSidebar = new DOMDocument();
$objSidebar->loadXML("<sidebar />");
$strOld = $this->request->getProperty("category");
$strSubject = $this->request->getProperty("subject");
$configSidebar = $this->registry->getConfig("SUBCATEGORIES_SIDEBAR", false, null, $lang);
$arrSidebar = explode(",", $configSidebar);
// look up home page default subject from config if no subject was specified, and we were
// instructed to look it up with use_categories_quicksearch=true
if ($strSubject == "" && $this->request->getProperty("use_categories_quicksearch") == "true") {
$strSubject = $this->registry->getConfig("categories_quicksearch", false, "quick-search", $lang);
}
$objData = new Xerxes_DataMap();
$objCategoryData = $objData->getSubject($strSubject, $strOld, "metalib", null, $lang);
$y = 1;
if ($objCategoryData != null) {
$objXml->documentElement->setAttribute("name", $objCategoryData->name);
$objXml->documentElement->setAttribute("normalized", $objCategoryData->normalized);
// standard url for the category
$arrParams = array("base" => "databases", "action" => "subject", "subject" => $objCategoryData->normalized);
$url = Xerxes_Framework_Parser::escapeXml($this->request->url_for($arrParams));
$objElement = $objXml->createElement("url", $url);
$objXml->documentElement->appendChild($objElement);
// the attributes of the subcategories
$db_list_index = 1;
foreach ($objCategoryData->subcategories as $objSubData) {
$objSubCategory = $objXml->createElement("subcategory");
$objSubCategory->setAttribute("name", $objSubData->name);
$objSubCategory->setAttribute("position", $y);
$objSubCategory->setAttribute("id", $objSubData->id);
$y++;
// the database information
foreach ($objSubData->databases as $objDatabaseData) {
$objDatabase = Xerxes_Helper::databaseToNodeset($objDatabaseData, $this->request, $this->registry, $db_list_index);
$objDatabase = $objXml->importNode($objDatabase, true);
$objSubCategory->appendChild($objDatabase);
}
// if marked for the sidebar, put it there
if (in_array($objSubData->name, $arrSidebar)) {
$objImport = $objSidebar->importNode($objSubCategory, true);
$objSidebar->documentElement->appendChild($objImport);
} else {
$objXml->documentElement->appendChild($objSubCategory);
}
}
}
$this->request->addDocument($objXml);
$this->request->addDocument($objSidebar);
return 1;
}
public function doExecute()
{
$objXml = new DOMDOcument();
$objXml->loadXML("<databases />");
$strID = $this->request->getProperty("id");
$strQuery = $this->request->getProperty("query");
$alpha = $this->request->getProperty("alpha");
$objDataMap = new Xerxes_DataMap();
$arrResults = array();
if ($strID) {
$arrResults = $objDataMap->getDatabases($strID);
if (count($arrResults) == 0) {
throw new Xerxes_Exception_NotFound("Can not find database with id {$strID}");
}
} elseif ($alpha != "") {
$this->addAlphaList();
$arrResults = $objDataMap->getDatabasesStartingWith($alpha);
} elseif ($strQuery) {
$arrResults = $objDataMap->getDatabases(null, $strQuery);
} elseif ($this->request->getProperty("suppress_full_db_list") != "true") {
$this->addAlphaList();
// only show single letters, please
if ($this->registry->getConfig("DATABASE_LIST_SINGLE_LETTER_DISPAY", false, false) && $this->request->getProperty("action") == "alphabetical") {
$params = array("base" => "databases", "action" => "alphabetical", "alpha" => "A");
$link = $this->request->url_for($params);
$this->request->setRedirect($link);
return 0;
}
// all database
$arrResults = $objDataMap->getDatabases();
}
foreach ($arrResults as $objDatabaseData) {
$objDatabase = Xerxes_Helper::databaseToNodeset($objDatabaseData, $this->request, $this->registry);
$objDatabase = $objXml->importNode($objDatabase, true);
$objXml->documentElement->appendChild($objDatabase);
}
$this->request->addDocument($objXml);
return 1;
}
public function doExecute()
{
$objXml = new DOMDOcument();
$objXml->loadXML("<category />");
$strSubject = $this->request->getProperty("subject");
$strUser = $this->request->getProperty("username");
$objData = new Xerxes_DataMap();
$objCategoryData = null;
// only fetch if we actually have params, avoid the fetch-everything phenomena
if ($strSubject && $strUser) {
$objCategoryData = $objData->getSubject($strSubject, null, Xerxes_DataMap::userCreatedMode, $strUser);
}
// if there hasn't
if (!$objCategoryData) {
if ($this->request->getRedirect()) {
// nevermind, we're in the creation process, already redirected,
// just end now.
return 1;
} else {
throw new Xerxes_Exception_NotFound("text_collections_error_personal_collection_not_found");
}
}
// make sure they have access
if (!$objCategoryData->published) {
Xerxes_Helper::ensureSpecifiedUser($objCategoryData->owned_by_user, $this->request, $this->registry, "text_collections_error_private_collection");
}
$y = 1;
if ($objCategoryData != null) {
$objXml->documentElement->setAttribute("name", $objCategoryData->name);
$objXml->documentElement->setAttribute("normalized", $objCategoryData->normalized);
$objXml->documentElement->setAttribute("owned_by_user", $objCategoryData->owned_by_user);
$objXml->documentElement->setAttribute("published", $objCategoryData->published);
// we treat the 'default' collection (usually 'My Saved Records') special
// giving it less flexibility for simplicity, in the XSL/javascript.
if ($this->isDefaultCollection($objCategoryData)) {
$objXml->documentElement->setAttribute("is_default_collection", "yes");
}
// standard url for the category
$arrParams = array("base" => "collections", "action" => "subject", "username" => $strUser, "subject" => $objCategoryData->normalized);
$url = Xerxes_Framework_Parser::escapeXml($this->request->url_for($arrParams));
$objElement = $objXml->createElement("url", $url);
$objXml->documentElement->appendChild($objElement);
//edit url for the user-created category
$arrParams = array("base" => "collections", "action" => "edit_form", "username" => $strUser, "subject" => $objCategoryData->normalized);
$url = Xerxes_Framework_Parser::escapeXml($this->request->url_for($arrParams));
$objElement = $objXml->createElement("edit_url", $url);
$objXml->documentElement->appendChild($objElement);
// the attributes of the subcategories
$db_list_index = 1;
foreach ($objCategoryData->subcategories as $objSubData) {
$objSubCategory = $objXml->createElement("subcategory");
$objSubCategory->setAttribute("name", $objSubData->name);
$objSubCategory->setAttribute("position", $y);
$objSubCategory->setAttribute("id", $objSubData->id);
$y++;
// the database information
foreach ($objSubData->databases as $objDatabaseData) {
$objDatabase = Xerxes_Helper::databaseToNodeset($objDatabaseData, $this->request, $this->registry, $db_list_index);
$objDatabase = $objXml->importNode($objDatabase, true);
$objSubCategory->appendChild($objDatabase);
}
$objXml->documentElement->appendChild($objSubCategory);
}
}
$this->request->addDocument($objXml);
return 1;
}
/**
* Do something with uncaught errors
*/
public static function handle($e, Xerxes_Framework_Request $objRequest, Xerxes_Framework_Registry $objRegistry)
{
if ($objRegistry->getConfig("DISPLAY_ERRORS", false, false)) {
throw $e;
}
// flag certain exception types for special handling in the xslt
$strErrorType = get_class($e);
// might be a sub-class, reset so view will catch.
if ($e instanceof PDOException) {
$strErrorType = "PDOException";
}
// if this is the command line, just rethrow the error so we can see it; might
// make this a little better formatted in the future
if ($objRequest->isCommandLine()) {
throw $e;
} else {
// translate heading and message
$labels = Xerxes_Framework_Labels::getInstance();
if ($e instanceof Xerxes_Exception) {
$heading = $e->heading();
} else {
$heading = "text_error";
}
$heading = $labels->getLabel($heading);
$message = $labels->getLabel($e->getMessage());
// first output to apache error log
error_log("Xerxes error: " . $message . ": " . $e->getTraceAsString());
//set proper http response code
$resultStatus = 500;
if ($e instanceof Xerxes_Exception_AccessDenied) {
$resultStatus = 403;
} else {
if ($e instanceof Xerxes_Exception_NotFound) {
$resultStatus = 404;
}
}
header(' ', true, $resultStatus);
// send back http status as internal server error or other specified status
// for the web, we'll convert the error message to xml along with the type
// of exception and hand display off to the error.xsl file
$objError = new DOMDocument();
$objError->loadXML("<error />");
$objMessage = $objError->createElement("message", $message);
$objMessage->setAttribute("type", $strErrorType);
$objError->documentElement->appendChild($objMessage);
$objHeading = $objError->createElement("heading", $heading);
$objError->documentElement->appendChild($objHeading);
// make sure we're showing the main error file
$objRegistry->setConfig("XSL_PARENT_DIRECTORY", null);
// set the base url for the error.xsl file's benefit; don't want to assume that
// the earlier code to this effect was executed before an exception, so this is redundant
$base_path = $objRegistry->getConfig('BASE_WEB_PATH', false, "");
$this_server_name = $objRequest->getServer('SERVER_NAME');
// check for a non-standard port
$port = $objRequest->getServer('SERVER_PORT');
if ($port == 80 || $port == 443) {
$port = "";
} else {
$port = ":" . $port;
}
$protocol = "http://";
if ($objRequest->getServer("HTTPS")) {
$protocol = "https://";
}
$web = $protocol . $this_server_name . $port . $base_path;
$objBaseURL = $objError->createElement("base_url", $web);
$objError->documentElement->appendChild($objBaseURL);
// if it's a db denied exception, include info on dbs.
if ($e instanceof Xerxes_Exception_DatabasesDenied) {
$excluded_xml = $objError->createElement("excluded_dbs");
$objError->documentElement->appendChild($excluded_xml);
foreach ($e->deniedDatabases() as $db) {
$element = Xerxes_Helper::databaseToNodeset($db, $objRequest, $objRegistry);
$element = $objError->importNode($element, true);
$excluded_xml->appendChild($element);
}
}
// add in the request object's stuff
$request_xml = $objRequest->toXML();
$imported = $objError->importNode($request_xml->documentElement, true);
foreach ($imported->childNodes as $childNode) {
$objError->documentElement->appendChild($childNode);
}
if ($objRequest->getProperty("format") == "xerxes") {
header('Content-type: text/xml');
echo $objError->saveXML();
} else {
// display it to the user. Transform will pick up local
// xsl for error page too, great.
echo Xerxes_Framework_Parser::transform($objError, "xsl/error.xsl");
}
}
// need to incorporate methods for doing additional actions based on the type
// of error -- probably a config option
}
public function doExecute()
{
// metalib search object
$objSearch = $this->getSearchObject();
// params from the request
$strQuery = $this->request->getProperty("query");
$strQuery2 = $this->request->getProperty("query2");
$strField = $this->request->getProperty("field");
$strField2 = $this->request->getProperty("field2");
$strFindOperator = $this->request->getProperty("find_operator1");
$arrDatabases = $this->request->getProperty("database", true);
$strSubject = $this->request->getProperty("subject");
$strSpell = $this->request->getProperty("spell");
$strContext = $this->request->getProperty("context");
$strContextUrl = $this->request->getProperty("context_url");
// configuration options
$configNormalize = $this->registry->getConfig("NORMALIZE_QUERY", false, false);
$configBaseUrl = $this->registry->getConfig("BASE_URL", true);
$configYahooID = $this->registry->getConfig("YAHOO_ID", false, "calstate");
$configSearchLimit = $this->registry->getConfig("SEARCH_LIMIT", true);
$configContextUrl = $this->registry->getConfig("LIMIT_CONTEXT_URL", false);
// if so configured, ensure that context_url is limited to certain domain(s)
if ($configContextUrl != null) {
$bolPassed = Xerxes_Framework_Parser::withinDomain($strContextUrl, $configContextUrl);
if ($bolPassed == false) {
throw new Exception("context_url only allowed for specified domains");
}
}
// database communications object
$objData = new Xerxes_DataMap();
// if subject is given but not databases, automatically find
// databases for subject, from first sub-category.
if ($strSubject != null && count($arrDatabases) == 0) {
$search_limit = $this->registry->getConfig("SEARCH_LIMIT", true);
$arrDatabases = array();
$objSubject = $objData->getSubject(strtolower($strSubject), null, "metalib", null, $this->request->getProperty("lang"));
// did we find a subject that has subcategories?
if ($objSubject != null && $objSubject->subcategories != null && count($objSubject->subcategories) > 0) {
$subs = $objSubject->subcategories;
$objSubcategory = $subs[0];
$index = 0;
// get databases up to search limit from first subcat,
// add to $arrdatabases.
foreach ($objSubcategory->databases as $objDatabaseData) {
if ($objDatabaseData->searchable == 1) {
array_push($arrDatabases, $objDatabaseData->metalib_id);
$index++;
}
if ($index >= $search_limit) {
break;
}
}
}
}
// if we have a subject, but no context/contexturl, look
// them up for the subject. Allows convenient defaults
// for direct-linking into search results.
if ($strContext == "" && $strSubject != "") {
// look up the subject if we haven't already, to get the name.
if (!isset($objSubject)) {
$objSubject = $objData->getSubject($strSubject);
}
$strContext = $objSubject->name;
}
if ($strContextUrl == "" && $strSubject != "") {
$strContextUrl = $this->request->url_for(array("base" => "databases", "action" => "subject", "subject" => $strSubject));
}
// ensure a query and field
if ($strQuery == "") {
throw new Exception("text_metasearch_error_no_search_terms");
}
if ($strField == "") {
$strField = "WRD";
}
if ($strField2 == "") {
$strField2 = "WRD";
}
if ($strFindOperator == "") {
$strFindOperator = "AND";
}
// get databases
$arrDB = $objData->getDatabases($arrDatabases);
// start out database information xml object.
$objXml = new DOMDocument();
$objXml->loadXML("<search />");
// access control for databases
$excludedDbs = array();
$excludedIDs = array();
foreach ($arrDB as $db) {
if (!Xerxes_Helper::dbSearchableForUser($db, $this->request, $this->registry)) {
$excludedDbs[] = $db;
$excludedIDs[] = (string) $db->metalib_id;
}
}
if (count($excludedDbs) > 0) {
// remove excluded dbs from our db lists. what a pain in php, sorry.
foreach ($arrDB as $key => $db) {
if (in_array((string) $db->metalib_id, $excludedIDs)) {
unset($arrDB[$key]);
}
}
foreach ($arrDatabases as $key => $id) {
if (in_array($id, $excludedIDs)) {
unset($arrDatabases[$key]);
}
}
// and make a note of the excluded dbs please.
$excluded_xml = $objXml->createElement("excluded_dbs");
$objXml->documentElement->appendChild($excluded_xml);
foreach ($excludedDbs as $db) {
$element = Xerxes_Helper::databaseToNodeset($db, $this->request, $this->registry);
$element = $objXml->importNode($element, true);
$excluded_xml->appendChild($element);
}
}
// ensure correct number of databases selected
if (count($arrDatabases) < 1 && count($excludedDbs) > 0) {
$e = new Xerxes_Exception_DatabasesDenied("text_metasearch_error_not_authorized");
$e->setDeniedDatabases($excludedDbs);
throw $e;
} elseif (count($arrDatabases) < 1) {
throw new Exception("text_metasearch_error_no_databases");
}
if (count($arrDatabases) > $configSearchLimit) {
$labels = Xerxes_Framework_Labels::getInstance();
$error = $labels->getLabel("text_metasearch_error_too_many_databases");
$error = sprintf($error, $configSearchLimit);
throw new Exception($error);
}
$strSpellCorrect = "";
// spelling correction
$strSpellUrl = "";
// return url for spelling change
$strGroup = "";
// group id number
$strNormalizedQuery = "";
// normalized query
// query parser provides normalization and spell check
$objQueryParser = new Xerxes_QueryParser();
// normalize query option is still experimental (2009-04-16)
$strFullQuery = $objQueryParser->normalizeMetalibQuery($strField, $strQuery, $strFindOperator, $strField2, $strQuery2, $configNormalize);
// initiate search with Metalib
$strGroup = $objSearch->search($strFullQuery, $arrDatabases);
// something went wrong, yo!
if ($strGroup == "") {
throw new Exception("Could not initiate search with Metalib server");
}
// check spelling unless this is a return submission from a previous spell correction
$strSpellSuggestions = null;
if ($strSpell == null) {
// check spelling
$strAltYahoo = $this->registry->getConfig("ALTERNATE_YAHOO_LOCATION", false);
$strSpellCorrect = $objQueryParser->checkSpelling($strQuery, $configYahooID, $strAltYahoo);
$strSpellCorrect2 = null;
if ($strQuery2) {
$strSpellCorrect2 = $objQueryParser->checkSpelling($strQuery2, $configYahooID);
}
if ($strSpellCorrect != "" || $strSpellCorrect2 != "") {
// construct spell check return url with spelling suggestion
// If both search fields were used (advanced search), spell corrections
// may be in first, second, or both.
$strNewQuery = $strQuery;
$arrSuggestions = array();
if ($strSpellCorrect) {
$strNewQuery = $strSpellCorrect;
array_push($arrSuggestions, $strSpellCorrect);
}
$strNewQuery2 = $strQuery2;
if ($strSpellCorrect2) {
$strNewQuery2 = $strSpellCorrect2;
array_push($arrSuggestions, $strSpellCorrect2);
}
$strSpellSuggestions = join(" ", $arrSuggestions);
$strSpellUrl = "./?base=metasearch&action=search&spell=1&query=" . urlencode($strNewQuery) . "&field=" . $strField;
if ($strNewQuery2) {
$strSpellUrl .= "&query2=" . urlencode($strNewQuery2) . "&field2=" . $strField2;
}
$strSpellUrl .= "&context=" . urlencode($strContext);
$strSpellUrl .= "&context_url=" . urlencode($strContextUrl);
foreach ($arrDatabases as $strDatabase) {
if ($strDatabase != null) {
$strSpellUrl .= "&database=" . $strDatabase;
}
}
}
}
// create search information xml
$arrSearch = array();
$arrSearch["date"] = date("Y-m-d");
$arrSearch["spelling"] = $strSpellSuggestions;
$arrSearch["spelling_url"] = $strSpellUrl;
$arrSearch["context"] = $strContext;
$arrSearch["context_url"] = $strContextUrl;
foreach ($arrSearch as $key => $value) {
$objElement = $objXml->createElement($key, Xerxes_Framework_Parser::escapeXml($value));
$objXml->documentElement->appendChild($objElement);
}
$objPair = $objXml->createElement("pair");
$objPair->setAttribute("position", 1);
$objXml->documentElement->appendChild($objPair);
$arrQuery = array();
$arrQuery["query"] = $strQuery;
$arrQuery["field"] = $strField;
$arrQuery["normalized"] = $strFullQuery;
foreach ($arrQuery as $key => $value) {
$objElement = $objXml->createElement($key, Xerxes_Framework_Parser::escapeXml($value));
$objPair->appendChild($objElement);
}
// add second pair if present.
if ($strQuery2) {
$objOperator = $objXml->createElement("operator", $strFindOperator);
$objOperator->setAttribute("position", 1);
$objXml->documentElement->appendChild($objOperator);
$objPair = $objXml->createElement("pair");
$objPair->setAttribute("position", 2);
$objXml->documentElement->appendChild($objPair);
$arrQuery = array();
$arrQuery["query"] = $strQuery2;
$arrQuery["field"] = $strField2;
foreach ($arrQuery as $key => $value) {
$objElement = $objXml->createElement($key, Xerxes_Framework_Parser::escapeXml($value));
$objPair->appendChild($objElement);
}
}
// get links from ird records for those databases that have been included in the search and
// store it here so we can get at this information easily on any subsequent page without having
// to go back to the database
$objDatabaseLinks = $objXml->createElement("database_links");
$objXml->documentElement->appendChild($objDatabaseLinks);
foreach ($arrDB as $objDatabase) {
// create a database node and append to database_links
$objNodeDatabase = Xerxes_Helper::databaseToLinksNodeset($objDatabase, $this->request, $this->registry);
$objNodeDatabase = $objXml->importNode($objNodeDatabase, true);
$objDatabaseLinks->appendChild($objNodeDatabase);
}
// add any warnings from metalib
$objWarnings = $objSearch->getWarnings();
if ($objWarnings != null) {
$objImport = $objXml->importNode($objWarnings->documentElement, true);
$objXml->documentElement->appendChild($objImport);
}
$strGroup = $this->getSearchDate() . "-" . $strGroup;
// save this information in the cache
$this->setCache($strGroup, "search", $objXml);
// redirect to hits page
$arrParams = array("base" => "metasearch", "action" => "hits", "group" => $strGroup);
$this->saveCache();
$this->request->setRedirect($this->request->url_for($arrParams));
return 1;
}
