public function getContents()
{
$url = new OntoWiki_Url(array('route' => 'properties'), array('r'));
$changes = array();
if ($this->results) {
foreach ($this->results as $change) {
if ($this->getContext() == "main.window.dashmodelinfo") {
//id, resource, tstamp, action_type
$change['useruri'] = $this->user;
$this->model = null;
}
if (Erfurt_Uri::check($change['resource'])) {
$change['aresource'] = new OntoWiki_Resource((string) $change['useruri'], $this->systemModel);
$change['author'] = $change['aresource']->getTitle() ? $change['aresource']->getTitle() : OntoWiki_Utils::getUriLocalPart($change['aresource']);
$url->setParam('r', (string) $change['aresource'], true);
$change['ahref'] = (string) $url;
//$change['date'] = OntoWiki_Utils::dateDifference($change['tstamp'], null, 3);
$url->setParam('r', (string) $change['resource'], true);
$change['rhref'] = (string) $url;
$change['resource'] = new OntoWiki_Resource((string) $change['resource'], $this->model);
$change['rname'] = $change['resource']->getTitle() ? $change['resource']->getTitle() : OntoWiki_Utils::contractNamespace($change['resource']->getIri());
$changes[] = $change;
}
}
}
if (empty($changes)) {
$this->view->infomessage = 'There are no changes yet.';
} else {
$this->view->changes = $changes;
}
return $this->render('templates/lastchanges');
}
public function testCheck()
{
$validUris = array('http://example.com/Test', 'urn:isbn:978-3-86680-192-9', 'ftp://ftp.is.co.za/rfc/rfc1808.txt', 'gopher://spinaltap.micro.umn.edu/00/Weather/California/Los%20Angeles', 'http://www.math.uio.no/faq/compression-faq/part1.html', 'mailto:mduerst@ifi.unizh.ch', 'news:comp.infosystems.www.servers.unix', 'telnet://melvyl.ucop.edu/', 'http://*****:*****@example.com/test/cat?foo=ba%7C', 'http://bio2rdf.org/bio2rdf_dataset:bio2rdf-sgd-20121015');
foreach ($validUris as $uri) {
$this->assertEquals(true, Erfurt_Uri::check($uri));
}
$invalidUris = array('Literal value', 'http://example.com /Test', "http://example.com/T\nest", 'http://example.[com]/{test}/cat?foo=ba%7C');
foreach ($invalidUris as $uri) {
$this->assertEquals(false, Erfurt_Uri::check($uri));
}
}
/**
* Handle objects by checking different cases and than decide how to react.
* @param $s string URI of subject
* @param $p string URI of predicate
* @param $o mixed Can be string, array or an object of the object
* @param $graph Call by reference of $graph instance
* @return void
*/
public static function handleNonCVObjects($s, $p, $o, &$graph)
{
// is object an URI
if (true === is_string($o) && true === Erfurt_Uri::check($o)) {
$graph->addResource($s, $p, $o);
// is object NOT an array
} else {
if (false === is_array($o)) {
$graph->add($s, $p, $o);
// assuming, object is an array
} else {
foreach ($o as $entry) {
if (true === Erfurt_Uri::check($entry)) {
$graph->addResource($s, $p, $entry);
} else {
$graph->add($s, $p, $entry);
}
}
}
}
}
/**
* create a Resource
*
* @param string resourceIri
* @param string graphIri or null
* @return Erfurt_Rdf_Resource resource
*/
private function _createResource($resourceIri, $graphIri = 'store')
{
$resource = null;
if (Erfurt_Uri::check($resourceIri)) {
if ($graphIri == 'store') {
$resource = new Erfurt_Rdf_Resource($resourceIri);
} else {
if (Erfurt_Uri::check($graphIri)) {
$model = $this->_app->getStore()->getModel($graphIri, false);
$resource = $model->getResource($resourceIri);
} else {
if (defined('_OWDEBUG')) {
$logger = $this->_app->getLog();
$logger->info('ResourcePool: Given GraphIri not valid.');
}
}
}
} else {
if (defined('_OWDEBUG')) {
$logger = $this->_app->getLog();
$logger->info('ResourcePool: Given ResourceIri not valid.');
}
}
return $resource;
}
/**
* Add a new title property on top of the list (most important) of title properties
*
* @param $propertyUri a string with the URI of the property to add
*/
public function prependTitleProperty($propertyUri)
{
// check if we have a valid URI
if (Erfurt_Uri::check($propertyUri)) {
// remove the property from the list if it already exist
foreach ($this->_titleProperties as $key => $value) {
if ($value == $propertyUri) {
unset($this->_titleProperties[$key]);
}
}
// rewrite the array
$this->_titleProperties = array_values($this->_titleProperties);
// prepend the new URI
array_unshift($this->_titleProperties, $propertyUri);
// reset the TitleHelper to fetch resources with new title properties
$this->reset();
}
}
public function onDisplayLiteralPropertyValue($event)
{
if (array_key_exists($event->property, $this->_properties) && Erfurt_Uri::check($event->value)) {
return '<a href="' . $event->value . '">' . OntoWiki_Utils::shorten($event->value, 60) . '</a>';
}
}
/**
* Get all observations which fits to given DSD, DS and selected compontents.
* @param $dataSetUrl URL of a data set
* @param $selectedComponentDimensions
*/
public function getObservations($dataSetUrl, $selectedComponentDimensions = array())
{
// generate unique hash using given result and model uri
$objectId = md5($this->_model->getModelIri() . $dataSetUrl . json_encode($selectedComponentDimensions));
// check there is already a cached object for this hash
$result = $this->_objectCache->load($objectId);
if (false === $result) {
$this->_queryCache->startTransaction($objectId);
/**
* Fill SimpleQuery object with live!
*/
$queryObject = new Erfurt_Sparql_SimpleQuery();
// SELECT
$queryObject->setProloguePart('SELECT ?s ?p ?o');
// FROM
$queryObject->setFrom(array($this->_model->getModelIri()));
// WHERE
$where = 'WHERE { ' . "\n" . '
?s ?p ?o .' . "\n" . '
?s <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <' . DataCube_UriOf::Observation . '> .' . "\n" . '
?s <' . DataCube_UriOf::DataSetRelation . '> <' . $dataSetUrl . '> .' . "\n";
// Set selected properties (e.g. ?s <http://data.lod2.eu/scoreboard/properties/year> ?d0 .)
$i = 0;
foreach ($selectedComponentDimensions as $dimension) {
if (0 < count($dimension['__cv_elements'])) {
$where .= ' ?s <' . $dimension[DataCube_UriOf::Dimension] . '> ?d' . $i++ . ' .' . "\n";
}
}
// Set FILTER
// e.g.: FILTER (?d1 = "2003" OR ?d1 = "2001" OR ?d1 = "2002")
// e.g. 2: FILTER ( ?d0 = <http://data.lod2.eu/scoreboard/indicators/bb_fcov_RURAL_POP__pop> OR
// ?d0 = <http://data.lod2.eu/scoreboard/indicators/bb_lines_TOTAL_FBB_nbr_lines> )
$i = 0;
foreach ($selectedComponentDimensions as $dimension) {
$dimensionElements = $dimension['__cv_elements'];
if (0 < count($dimensionElements)) {
$filter = array();
foreach ($dimensionElements as $elementUri => $element) {
// If __cv_uri is set and an URL
if (true == Erfurt_Uri::check($element['__cv_uri'])) {
$value = '<' . $element['__cv_uri'] . '>';
$filter[] = ' ?d' . $i . ' = ' . $value . ' ';
} else {
$value = '"' . $element['__cv_niceLabel'] . '"';
$filter[] = ' xsd:string(?d' . $i . ') = xsd:string(' . $value . ') ';
}
}
$i++;
$where .= ' FILTER (' . implode('OR', $filter) . ') ' . "\n";
}
}
$where .= '}';
$queryObject->setWherePart($where);
$result = $this->_model->sparqlQuery((string) $queryObject);
// generate associative array out of given observation result
$result = $this->generateAssocSPOArrayFromSparqlResult($result, 's', 'p', 'o');
// limit the number of observations
$result = array_slice($result, 0, 250);
// enrich data with CubeViz sugar
$result = $this->enrichResult($result, false);
// close the object cache transaction
$this->_queryCache->endTransaction($objectId);
// save the result value in the object cache
$this->_objectCache->save($result, $objectId);
}
return $result;
}
private function _getMenu($uri, $model, $titleHelper = null)
{
$query = '
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?item ?prop
WHERE {
<' . $uri . '> ?prop ?item.
?prop a rdfs:ContainerMembershipProperty.
}
';
try {
$result = $model->sparqlQuery($query);
} catch (Exception $e) {
throw new OntoWiki_Exception('Problem while getting menu entries.', $e);
}
// array of urls and labels which represent the navigation menu
$items = array();
// round one: fill items array with urls as well as fill the titleHelper
foreach ($result as $row) {
// works only for URIs ...
if (Erfurt_Uri::check($row['item'])) {
// prepare variables
$url = $row['item'];
$property = $row['prop'];
// fill the titleHelper
if ($titleHelper !== null) {
$titleHelper->addResource($url);
}
// split property and use numeric last part for items order.
// example property: http://www.w3.org/2000/01/rdf-schema#_1
$pieces = explode('_', $property);
if (isset($pieces[1]) && is_numeric($pieces[1])) {
// file the items array
$items[$pieces[1]] = array('url' => $url, 'label' => $pieces[1]);
$subMenu = $this->_getMenu($url, $model, $titleHelper);
if (count($subMenu['items']) > 0) {
$items[$pieces[1]]['hasSubMenu'] = true;
$items[$pieces[1]]['subMenu'] = $subMenu;
} else {
$items[$pieces[1]]['hasSubMenu'] = false;
}
}
}
}
// round three: sort items according to the index
if (count($items) > 1) {
ksort($items);
}
// metadata of the navigation as a whole
$meta = array();
$resource = $model->getResource($uri);
$resourceModel = $resource->getMemoryModel();
if ($resourceModel->hasSP($uri, $this->_prependedContent)) {
$meta['prependedContent'] = $resourceModel->getValue($uri, $this->_prependedContent);
}
if ($resourceModel->hasSP($uri, $this->_appendedContent)) {
$meta['appendedContent'] = $resourceModel->getValue($uri, $this->_appendedContent);
}
//if ($uri == 'http://aksw.org/Events/2013/LeipzigerSemanticWebTag/Menu') {
//var_dump($resourceModel);
//}
return array('items' => $items, 'meta' => $meta);
}
protected function _loadModel()
{
$siteConfig = $this->_getSiteConfig();
// m is automatically used and selected
if (!isset($this->_request->m) && !$this->_owApp->selectedModel) {
// TODO: what if no site model configured?
if (!Erfurt_Uri::check($siteConfig['model'])) {
$site = $this->_privateConfig->defaultSite;
$root = $this->getComponentHelper()->getComponentRoot();
$configFilePath = sprintf('%s%s/%s/%s', $root, $this->_relativeTemplatePath, $site, SiteHelper::SITE_CONFIG_FILENAME);
throw new OntoWiki_Exception('No model selected! Please, configure a site model by setting the option ' . '"model=..." in "' . $configFilePath . '" or specify parameter m in the URL.');
} else {
// setup the model
$this->_modelUri = $siteConfig['model'];
$store = OntoWiki::getInstance()->erfurt->getStore();
$this->_model = $store->getModel($this->_modelUri);
OntoWiki::getInstance()->selectedModel = $this->_model;
}
} else {
$this->_model = $this->_owApp->selectedModel;
$this->_modelUri = (string) $this->_owApp->selectedModel;
}
}
/**
* Adds a prefix for the namespace URI in a given graph.
*
* @param Erfurt_Rdf_Model|string $graph
* @param string $namespace
* @param string $prefix
* @throws Erfurt_Namespaces_Exception
*/
public function addNamespacePrefix($graph, $namespace, $prefix)
{
// safety
$prefix = (string) $prefix;
$namespace = (string) $namespace;
//lowercase prefix always (for best compatibility)
$prefix = strtolower($prefix);
$graphPrefixes = $this->getNamespacesForGraph($graph);
// check if namespace is a valid URI
require_once 'Erfurt/Uri.php';
if (!Erfurt_Uri::check($namespace)) {
require_once 'Erfurt/Namespaces/Exception.php';
throw new Erfurt_Namespaces_Exception("Given namespace '{$namespace}' is not a valid URI.");
}
// check if prefix is a valid XML name
require_once 'Erfurt/Utils.php';
if (!Erfurt_Utils::isXmlPrefix($prefix)) {
require_once 'Erfurt/Namespaces/Exception.php';
throw new Erfurt_Namespaces_Exception("Given prefix '{$prefix}' is not a valid XML name.");
}
// check if prefix matches a URI scheme (http://www.iana.org/assignments/uri-schemes.html)
if (array_key_exists($prefix, $this->_reservedNames)) {
require_once 'Erfurt/Namespaces/Exception.php';
throw new Erfurt_Namespaces_Exception("Reserved name '{$prefix}' cannot be used as a namespace prefix.");
}
// check for existence of prefixes
if (array_key_exists($prefix, $graphPrefixes)) {
require_once 'Erfurt/Namespaces/Exception.php';
throw new Erfurt_Namespaces_Exception("Prefix '{$prefix}' already exists.");
}
// check for multiple prefixes
if (!$this->_allowMultiplePrefixes and array_key_exists($namespace, array_flip($graphPrefixes))) {
require_once 'Erfurt/Namespaces/Exception.php';
throw new Erfurt_Namespaces_Exception("Multiple prefixes for namespace '{$namespace}' not allowed.");
}
// add new prefix
$graphPrefixes[$prefix] = $namespace;
// save new set of prefixes
$this->setNamespacesForGraph($graph, $graphPrefixes);
}
/**
*
* Enter description here ...
*
* @param $uri string to convert to nice uri
* @param $titleHelper TitleHelper instance to use to get titles for URIs
*/
private function generateUriFromSparql($uri, $titleHelper)
{
$schema = $this->loadNamingSchema($uri);
$properties = array();
foreach ($schema as $element) {
if (is_string($this->_config->property->{$element})) {
$properties[$this->_config->property->{$element}] = array('element' => $element, 'rank' => '1');
} elseif (is_array($this->_config->property->{$element}->toArray())) {
$countDeep = 0;
foreach ($this->_config->property->{$element}->toArray() as $elementDeep) {
$properties[(string) $elementDeep] = array('element' => $element, 'rank' => $countDeep++);
}
}
}
$query = new Erfurt_Sparql_Query2();
$sRef = new Erfurt_Sparql_Query2_IriRef($uri);
$pVar = new Erfurt_Sparql_Query2_Var('p');
$oVar = new Erfurt_Sparql_Query2_Var('o');
$query->addProjectionVar($pVar);
$query->addProjectionVar($oVar);
$query->addTriple($sRef, $pVar, $oVar);
$query->addFrom((string) $this->_model);
$query->setLimit(100);
$query->setDistinct(true);
$container = new Erfurt_Sparql_Query2_ConditionalOrExpression();
foreach ($properties as $filterProp => $element) {
$sameTerm = new Erfurt_Sparql_Query2_sameTerm($pVar, new Erfurt_Sparql_Query2_IriRef($filterProp));
//$filter = new Erfurt_Sparql_Query2_Filter($sameTerm);
$container->addElement($sameTerm);
}
$query->addFilter($container);
$result = $this->_owApp->erfurt->getStore()->sparqlQuery($query, array('withImports' => true));
$replacements = array();
foreach ($result as $row) {
if (array_key_exists($row['p'], $properties)) {
$titleHelper->addResource($row['p']);
if (Erfurt_Uri::check($row['o'])) {
$titleHelper->addResource($row['o']);
}
if (array_key_exists($properties[$row['p']]['element'], $replacements)) {
$newRank = (int) $properties[$row['p']]['rank'];
$minRank = $replacements[$properties[$row['p']]['element']]['rank'];
if ($newRank < $minRank) {
$replacements[$properties[$row['p']]['element']] = array('rank' => $newRank, 'value' => $row['o'], 'key' => $row['p']);
}
} else {
$replacements[$properties[$row['p']]['element']] = array('rank' => $properties[$row['p']]['rank'], 'value' => $row['o'], 'key' => $row['p']);
}
}
}
$localName = '';
foreach ($schema as $element) {
if (array_key_exists($element, $replacements)) {
if (Erfurt_Uri::check($replacements[$element]['value'])) {
$val = $titleHelper->getTitle($replacements[$element]['value']);
} else {
$val = $replacements[$element]['value'];
}
$val = $this->convertChars($val);
$key = $this->convertChars($titleHelper->getTitle($replacements[$element]['key']));
$localName .= $key . '/' . $val . '/';
}
}
// no meaningful localname created falback to old uri (TODO or md5 a new one?)
if ($localName === '') {
return $uri;
//$localName = 'resource/' . md5($uri . time());
}
$base = '';
if ($this->_model !== null && $this->_model->getBaseIri() !== '') {
$base = $this->_model->getBaseIri();
if ($base[strlen($base) - 1] !== '#' && $base[strlen($base) - 1] !== '/') {
$base .= '/';
}
} else {
$count = 0;
foreach (explode('/', $uri) as $element) {
if ($count > 2) {
break;
} else {
$count++;
$base .= $element . '/';
}
}
}
return $base . $localName;
}
function getObject($property, $value)
{
if (is_string($value)) {
$value = addslashes($value);
}
if (isset($this->_map[$property]) && $this->_map[$property]['type'] == 'uri' || Erfurt_Uri::check($value)) {
$object = '<' . $value . '>';
} else {
if (is_bool($value)) {
$object = '"' . ($value ? 'true' : 'false') . '"^^xsd:boolean';
} else {
if (is_string($value) && $value == 'true' || $value == 'false') {
$object = '"' . ($value == 'true' ? 'true' : 'false') . '"^^xsd:boolean';
//why?
} else {
if (isset($this->_map[$property]['datatype']) && $this->_map[$property]['datatype'] == 'boolean') {
$object = '"' . ((bool) $value ? 'true' : 'false') . '"^^xsd:boolean';
} else {
$object = '"' . $value . '"';
}
}
}
}
return $object;
}
/**
* This is the sorting function used to sort the result set.
* It compares the titles of the resources in $a and $b as returned by the TitleHelper
*
* @param $a the first row to compare
* @param $b the second row to compare
* @return int as needed by usort
*/
private function _cmpTitles($a, $b, $orderBy = 'resourceUri')
{
$titleA = '';
$titleB = '';
if (!Erfurt_Uri::check($a[$orderBy])) {
$titleA = $a[$orderBy];
} else {
$titleA = $this->_titleHelper->getTitle($a[$orderBy]);
}
if (!Erfurt_Uri::check($b[$orderBy])) {
$titleB = $b[$orderBy];
} else {
$titleB = $this->_titleHelper->getTitle($b[$orderBy]);
}
return strcasecmp($titleA, $titleB);
}
/**
*
*/
public function getslicesAction()
{
$this->_helper->viewRenderer->setNoRender();
$this->_helper->layout->disableLayout();
// parameter
$modelIri = $this->_request->getParam('modelIri', '');
$dsdUrl = $this->_request->getParam('dsdUrl', '');
$dsUrl = $this->_request->getParam('dsUrl', '');
// check if model there
if (false === $this->_erfurt->getStore()->isModelAvailable($modelIri)) {
$code = 404;
$this->_sendJSONResponse(array('code' => $code, 'content' => '', 'message' => 'Model not available'), $code);
return;
}
// check if dsdUrl is valid
if (false === Erfurt_Uri::check($dsdUrl)) {
$code = 400;
$this->_sendJSONResponse(array('code' => $code, 'content' => '', 'message' => 'dsdUrl is not valid'), $code);
return;
}
// check if dsUrl is valid
if (false === Erfurt_Uri::check($dsUrl)) {
$code = 400;
$this->_sendJSONResponse(array('code' => $code, 'content' => '', 'message' => 'dsUrl is not valid'), $code);
return;
}
try {
$model = new Erfurt_Rdf_Model($modelIri);
$query = new DataCube_Query($model, $this->_titleHelperLimit, $this->_dimensionElementLimit);
$code = 200;
// result object
$content = array('code' => $code, 'content' => array(), 'message' => '');
// get slice keys
$sliceKeys = $query->getSliceKeys($dsdUrl, $dsUrl);
// collect all slices in one list
foreach ($sliceKeys as $sliceKey) {
$content['content'] = array_merge($content['content'], $sliceKey['slices']);
}
} catch (Exception $e) {
$code = 400;
$content = array('code' => $code, 'content' => '', 'message' => $e->getMessage());
}
$this->_sendJSONResponse($content, $code);
}
