public function serializeResourceToString($resource, $graphUri, $pretty = false, $useAc = true, array $additional = array())
{
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?resourceUri ?p ?o');
$query->addFrom($graphUri);
/*
* Why not as subject?
* Because serializeQueryResultToString() expects ?resourceUri to be bound.
*/
$query->setWherePart('WHERE { ?resourceUri ?p ?o . FILTER (sameTerm(?resourceUri, <' . $resource . '>))}');
$query->setOrderClause('?resourceUri ?p ?o');
return $this->serializeQueryResultToString($query, $graphUri, $pretty, $useAc);
}
public function serializeGraphToString($graphUri, $pretty = false, $useAc = true)
{
$triples = array();
$store = Erfurt_App::getInstance()->getStore();
require_once 'Erfurt/Sparql/SimpleQuery.php';
$sparql = new Erfurt_Sparql_SimpleQuery();
$sparql->setProloguePart('SELECT ?s ?p ?o');
$sparql->addFrom($graphUri);
$sparql->setWherePart('WHERE { ?s ?p ?o }');
$sparql->setOrderClause('?s ?p ?o');
$sparql->setLimit(1000);
$offset = 0;
while (true) {
$sparql->setOffset($offset);
$result = $store->sparqlQuery($sparql, array('result_format' => 'extended', 'use_owl_imports' => false, 'use_additional_imports' => false, 'use_ac' => $useAc));
$counter = 0;
foreach ($result['results']['bindings'] as $stm) {
$s = $stm['s']['value'];
$p = $stm['p']['value'];
$o = $stm['o'];
if (!isset($triples["{$s}"])) {
$triples["{$s}"] = array();
}
if (!isset($triples["{$s}"]["{$p}"])) {
$triples["{$s}"]["{$p}"] = array();
}
if ($o['type'] === 'typed-literal') {
$triples["{$s}"]["{$p}"][] = array('type' => 'literal', 'value' => $o['value'], 'datatype' => $o['datatype']);
} else {
if ($o['type'] === 'typed-literal') {
$oArray = array('type' => 'literal', 'value' => $o['value']);
if (isset($o['xml:lang'])) {
$oArray['lang'] = $o['xml:lang'];
}
$triples["{$s}"]["{$p}"][] = $oArray;
} else {
$triples["{$s}"]["{$p}"][] = array('type' => $o['type'], 'value' => $o['value']);
}
}
$counter++;
}
if ($counter < 1000) {
break;
}
$offset += 1000;
}
return json_encode($triples);
}
public function onPropertiesActionTemplate($event)
{
$store = Erfurt_App::getInstance()->getStore();
$config = Erfurt_App::getInstance()->getConfig();
$model = $event->model;
$graph = $event->graph;
$resource = $event->resource;
$predicates = $model->getPredicates();
$description = $resource->getDescription();
if ($this->_privateConfig->template->restrictive) {
foreach ($description as $resource) {
if (isset($resource[EF_RDF_TYPE])) {
$type = $resource[EF_RDF_TYPE][0]['value'];
} else {
return false;
}
}
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('PREFIX erm: <http://vocab.ub.uni-leipzig.de/bibrm/> SELECT DISTINCT ?uri');
$query->addFrom((string) $event->graph);
$query->setWherePart('{?template a <' . $this->_template . '> .
?template erm:providesProperty ?uri .
?template erm:bindsClass <' . $type . '> .
} ');
$query->setLimit('20');
$result = $store->sparqlQuery($query);
}
if (!empty($result)) {
// flatten Array and flip keys with values to use array_intersect_key
$result = array_map(function ($x) {
return array_flip($x);
}, $result);
// FIXME Find a method to add standard properties which will be
// displayed by default
$result[] = array(EF_RDF_TYPE => "bla");
$result[] = array(EF_RDFS_LABEL => "bla");
$newResult = array();
foreach ($result as $newKey => $newValue) {
$newResult = array_merge($newResult, $newValue);
}
$matched = array_intersect_key($predicates[(string) $graph], $newResult);
$matched = array((string) $graph => $matched);
$event->predicates = $matched;
} else {
return false;
}
return true;
}
/**
* Deletes one or more resources denoted by param 'r'
* TODO: This should be done by a evolution pattern in the future
*/
public function deleteAction()
{
$this->view->clearModuleCache();
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
$store = $this->_erfurt->getStore();
$model = $this->_owApp->selectedModel;
$modelIri = (string) $model;
$redirect = $this->_request->getParam('redirect', $this->_config->urlBase);
if (isset($this->_request->r)) {
$resources = $this->_request->getParam('r', array());
} else {
throw new OntoWiki_Exception('Missing parameter r!');
}
if (!is_array($resources)) {
$resources = array($resources);
}
// get versioning
$versioning = $this->_erfurt->getVersioning();
$count = 0;
if ($this->_erfurt->getAc()->isModelAllowed('edit', $modelIri)) {
foreach ($resources as $resource) {
// if we have only a nice uri, fill to full uri
if (Zend_Uri::check($resource) == false) {
// check for namespace
if (strstr($resource, ':')) {
$resource = OntoWiki_Utils::expandNamespace($resource);
} else {
$resource = $model->getBaseIri() . $resource;
}
}
// action spec for versioning
$actionSpec = array();
$actionSpec['type'] = 130;
$actionSpec['modeluri'] = $modelIri;
$actionSpec['resourceuri'] = $resource;
// starting action
$versioning->startAction($actionSpec);
$stmtArray = array();
// query for all triples to delete them
$sparqlQuery = new Erfurt_Sparql_SimpleQuery();
$sparqlQuery->setProloguePart('SELECT ?p, ?o');
$sparqlQuery->addFrom($modelIri);
$sparqlQuery->setWherePart('{ <' . $resource . '> ?p ?o . }');
$result = $store->sparqlQuery($sparqlQuery, array('result_format' => 'extended'));
// transform them to statement array to be compatible with store methods
foreach ($result['results']['bindings'] as $stmt) {
$stmtArray[$resource][$stmt['p']['value']][] = $stmt['o'];
}
$store->deleteMultipleStatements($modelIri, $stmtArray);
// stopping action
$versioning->endAction();
$count++;
}
$message = $count . ' resource' . ($count != 1 ? 's' : '') . ($count ? ' successfully' : '') . ' deleted.';
$this->_owApp->appendMessage(new OntoWiki_Message($message, OntoWiki_Message::SUCCESS));
} else {
$message = 'not allowed.';
$this->_owApp->appendMessage(new OntoWiki_Message($message, OntoWiki_Message::WARNING));
}
$event = new Erfurt_Event('onDeleteResources');
$event->resourceArray = $resources;
$event->modelUri = $modelIri;
$event->trigger();
$this->_redirect($redirect, array('code' => 302));
}
/**
* Checks the local database, whether user exists
*/
protected function _checkWebId($webId)
{
$retVal = array('userUri' => false, 'denyLogin' => false);
// Query the store.
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?s ?p ?o');
$query->addFrom($this->_acModelUri);
$where = 'WHERE {
?s ?p ?o .
?s <' . EF_RDF_TYPE . '> <' . $this->_uris['user_class'] . "> .\n FILTER (sameTerm(?s, <{$webId}>))\n }";
$query->setWherePart($where);
$result = $this->_store->sparqlQuery($query, array('use_ac' => false));
foreach ((array) $result as $row) {
// Set user URI
if ($retVal['userUri'] === false) {
$retVal['userUri'] = $row['s'];
}
// Check predicates, whether needed.
switch ($row['p']) {
case $this->_uris['action_deny']:
// if login is disallowed
if ($row['o'] === $this->_uris['action_login']) {
$retVal['denyLogin'] = true;
}
break;
case EF_RDFS_LABEL:
$retVal['userLabel'] = $row['o'];
break;
case $this->_uris['user_username']:
$retVal['username'] = $row['o'];
break;
case $this->_uris['user_mail']:
$retVal['email'] = $row['o'];
default:
// Ignore all other statements.
}
}
return $retVal;
}
/**
* Returns all existing sync configurations.
*
* @return array|bool
*/
private function _listSyncConfigs()
{
if (null === $this->_syncConfigListCache) {
$store = Erfurt_App::getInstance()->getStore();
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?s ?p ?o');
$query->addFrom($this->_syncModelUri);
$where = 'WHERE {
?s ?p ?o .
?s <' . EF_RDF_TYPE . '> <' . $this->_properties['syncConfigClass'] . '> . }';
$query->setWherePart($where);
$result = $store->sparqlQuery($query, array('use_ac' => false));
if (count($result) === 0) {
return false;
}
$retVal = array();
foreach ($result as $row) {
if (!isset($retVal[$row['s']])) {
$retVal[$row['s']] = array('uri' => $row['s']);
}
switch ($row['p']) {
case $this->_properties['targetModel']:
$retVal[$row['s']]['targetModel'] = $row['o'];
break;
case $this->_properties['syncResource']:
$retVal[$row['s']]['syncResource'] = $row['o'];
break;
case $this->_properties['wrapperName']:
$retVal[$row['s']]['wrapperName'] = $row['o'];
break;
case $this->_properties['lastSyncPayload']:
$retVal[$row['s']]['lastSyncPayload'] = unserialize($row['o']);
break;
case $this->_properties['lastSyncDateTime']:
$retVal[$row['s']]['lastSyncDateTime'] = $row['o'];
break;
case $this->_properties['syncQuery']:
$retVal[$row['s']]['syncQuery'] = $row['o'];
break;
case $this->_properties['checkHasChanged']:
$retVal[$row['s']]['checkHasChanged'] = (bool) $row['o'];
break;
}
}
$cacheVal = array();
foreach ($retVal as $s => $valueArray) {
$hash = $this->_getHash($valueArray['syncResource'], $valueArray['wrapperName'], $valueArray['targetModel']);
$cacheVal[$hash] = $valueArray;
}
$this->_syncConfigListCache = $cacheVal;
}
return $this->_syncConfigListCache;
}
/**
* Searches for properties in the local database.
*
* @param array $termsArray
* @param string $modelUri
* @param int $limit
*
* @return array
*/
private function _searchLocalPropertiesOnly(array $termsArray, $modelUri, $limit)
{
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT DISTINCT ?uri ?o');
if (null !== $modelUri) {
$query->addFrom($modelUri);
}
$where = '{ { ?uri ?p ?o . ?uri <' . EF_RDF_TYPE . '> ?o2 .
FILTER (
sameTerm(?o2, <http://www.w3.org/1999/02/22-rdf-syntax-ns#Property>) ||
sameTerm(?o2, <http://www.w3.org/2002/07/owl#DatatypeProperty>) ||
sameTerm(?o2, <http://www.w3.org/2002/07/owl#ObjectProperty>)
)
FILTER ((';
$uriRegexFilter = array();
foreach ($termsArray as $t) {
$uriRegexFilter[] = 'regex(str(?uri), "' . $t . '", "i")';
}
$where .= implode(' && ', $uriRegexFilter) . ') || (isLiteral(?o) && ';
$oRegexFilter = array();
foreach ($termsArray as $t) {
$oRegexFilter[] = 'regex(?o, "' . $t . '", "i")';
}
$where .= implode(' && ', $oRegexFilter) . ')) } UNION {';
$where .= '?s ?uri ?o .
FILTER (';
$where .= implode(' && ', $uriRegexFilter) . ') } }';
$query->setWherePart($where);
$query->setOrderClause('?uri');
$query->setLimit($limit);
$store = Erfurt_App::getInstance()->getStore();
$queryResult = $store->sparqlQuery($query, array('result_format' => 'extended'));
$tempResult = array();
foreach ($queryResult['results']['bindings'] as $row) {
if ($row['o']['type'] === 'literal') {
$weight = $this->_getWeight($termsArray, $row['uri']['value'], $row['o']['value']);
} else {
$weight = $this->_getWeight($termsArray, $row['uri']['value']);
}
if (isset($tempResult[$row['uri']['value']])) {
if ($weight > $tempResult[$row['uri']['value']]) {
$tempResult[$row['uri']['value']] = $weight;
}
} else {
$tempResult[$row['uri']['value']] = $weight;
}
}
arsort($tempResult);
require_once 'OntoWiki/Model/TitleHelper.php';
require_once 'OntoWiki/Utils.php';
if (null !== $modelUri) {
$model = $store->getModel($modelUri, false);
$titleHelper = new OntoWiki_Model_TitleHelper($model);
} else {
$titleHelper = new OntoWiki_Model_TitleHelper();
}
$titleHelper->addResources(array_keys($tempResult));
$translate = $this->_owApp->translate;
$result = array();
foreach ($tempResult as $uri => $w) {
$title = $titleHelper->getTitle($uri);
if (null !== $title) {
$result[$uri] = str_replace('|', 'Ι', $title) . '|' . $uri . '|' . $translate->_('Local Search');
} else {
$result[$uri] = OntoWiki_Utils::compactUri($uri) . $uri . '|' . $translate->_('Local Search');
}
}
return $result;
}
/**
*
*/
public function validateHash($hash)
{
$config = Erfurt_App::getInstance()->getConfig();
$store = Erfurt_App::getInstance()->getStore();
$query = new Erfurt_Sparql_SimpleQuery();
$query->addFrom($config->ac->modelUri);
$query->setProloguePart('SELECT ?user');
$query->setWherePart('{ ?user <' . $config->ac->user->recoveryHash . '> "' . $hash . '" . }');
$resultUser = $store->sparqlQuery($query, array('use_ac' => false));
if (!empty($resultUser)) {
return $resultUser[0]['user'];
} else {
require_once 'Erfurt/Auth/Identity/Exception.php';
throw new Erfurt_Auth_Identity_Exception('Invalid recovery session identifier.');
}
}
protected function _sparqlForListResources()
{
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?s ?first ?rest');
$query->addFrom($this->_graphUri);
$query->setWherePart('WHERE { ?s <' . EF_RDF_FIRST . '> ?first . ?s <' . EF_RDF_REST . '> ?rest }');
$result = $this->_store->sparqlQuery($query, array('result_format' => 'extended', 'use_owl_imports' => false, 'use_additional_imports' => false));
$listArray = array();
if ($result) {
foreach ($result['results']['bindings'] as $row) {
$listArray[$row['s']['value']] = array('first' => $row['first']['value'], 'rest' => $row['rest']['value']);
}
}
$this->_listArray = $listArray;
}
protected function _serializeResource($resource, $useAc = true, $level = 0)
{
require_once 'Erfurt/Sparql/SimpleQuery.php';
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?s ?p ?o');
$query->addFrom($this->_graphUri);
$query->setWherePart('WHERE { ?s ?p ?o . FILTER (sameTerm(?s, <' . $resource . '>))}');
$query->setOrderClause('?s ?p ?o');
$query->setLimit(1000);
$offset = 0;
$bnObjects = array();
while (true) {
$query->setOffset($offset);
$result = $this->_store->sparqlQuery($query, array('result_format' => 'extended', 'use_owl_imports' => false, 'use_additional_imports' => false, 'use_ac' => $useAc));
foreach ($result['results']['bindings'] as $row) {
$s = $row['s']['value'];
$p = $row['p']['value'];
$o = $row['o']['value'];
$sType = $row['s']['type'];
$oType = $row['o']['type'];
$lang = isset($row['o']['xml:lang']) ? $row['o']['xml:lang'] : null;
$dType = isset($row['o']['datatype']) ? $row['o']['datatype'] : null;
if ($oType === 'bnode') {
$bnObjects[] = substr($o, 2);
}
$this->_handleStatement($s, $p, $o, $sType, $oType, $lang, $dType);
}
if (count($result['results']['bindings']) < 1000) {
break;
}
$offset += 1000;
}
$this->_forceWrite();
// SCBD -> Write Bnodes, too
if ($level <= 10) {
foreach ($bnObjects as $bn) {
$this->_serializeResource($bn, $useAc, $level + 1);
}
}
// We only return SCBD of the TOP resource...
if ($level > 0) {
return;
}
// SCBD: Do the same for all Resources, that have the resource as object
$query = new Erfurt_Sparql_SimpleQuery();
$query->setProloguePart('SELECT ?s ?p ?o');
$query->addFrom($this->_graphUri);
$query->setWherePart('WHERE { ?s ?p ?o . ?s ?p2 ?o2 . FILTER (sameTerm(?o2, <' . $resource . '>)) }');
$query->setOrderClause('?s ?p ?o');
$query->setLimit(1000);
$offset = 0;
$bnObjects = array();
while (true) {
$query->setOffset($offset);
$result = $this->_store->sparqlQuery($query, array('result_format' => 'extended', 'use_owl_imports' => false, 'use_additional_imports' => false, 'use_ac' => $useAc));
foreach ($result['results']['bindings'] as $row) {
$s = $row['s']['value'];
$p = $row['p']['value'];
$o = $row['o']['value'];
$sType = $row['s']['type'];
$oType = $row['o']['type'];
$lang = isset($row['o']['xml:lang']) ? $row['o']['xml:lang'] : null;
$dType = isset($row['o']['datatype']) ? $row['o']['datatype'] : null;
if ($oType === 'bnode') {
$bnObjects[] = substr($o, 2);
}
$this->_handleStatement($s, $p, $o, $sType, $oType, $lang, $dType);
}
if (count($result['results']['bindings']) < 1000) {
break;
}
$offset += 1000;
}
$this->_forceWrite();
// SCBD -> Write Bnodes, too
if ($level <= 10) {
foreach ($bnObjects as $bn) {
$this->_serializeResource($bn, $useAc, $level + 1);
}
}
}
