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<?php |
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/** |
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* RestController is responsible for handling all the requests directed to the /rest address. |
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*/ |
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class RestController extends Controller |
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{ |
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/* supported MIME types that can be used to return RDF data */ |
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const SUPPORTED_FORMATS = 'application/rdf+xml text/turtle application/ld+json application/json application/marcxml+xml'; |
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/* context array template */ |
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private $context = array( |
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'@context' => array( |
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'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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'uri' => '@id', |
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'type' => '@type', |
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), |
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); |
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/** |
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* Handles json encoding, adding the content type headers and optional callback function. |
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* @param array $data the data to be returned. |
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*/ |
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private function returnJson($data) |
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{ |
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// wrap with JSONP callback if requested |
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if (filter_input(INPUT_GET, 'callback', FILTER_SANITIZE_FULL_SPECIAL_CHARS)) { |
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header("Content-type: application/javascript; charset=utf-8"); |
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echo filter_input(INPUT_GET, 'callback', FILTER_SANITIZE_FULL_SPECIAL_CHARS, FILTER_FLAG_NO_ENCODE_QUOTES) . "(" . json_encode($data) . ");"; |
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return; |
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} |
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// otherwise negotiate suitable format for the response and return that |
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$negotiator = new \Negotiation\Negotiator(); |
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$priorities = array('application/json', 'application/ld+json'); |
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$best = filter_input(INPUT_SERVER, 'HTTP_ACCEPT', FILTER_SANITIZE_FULL_SPECIAL_CHARS) ? $negotiator->getBest(filter_input(INPUT_SERVER, 'HTTP_ACCEPT', FILTER_SANITIZE_FULL_SPECIAL_CHARS), $priorities) : null; |
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$format = ($best !== null) ? $best->getValue() : $priorities[0]; |
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header("Content-type: $format; charset=utf-8"); |
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header("Vary: Accept"); // inform caches that we made a choice based on Accept header |
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echo json_encode($data); |
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} |
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/** |
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* Parses and returns the limit parameter. Returns and error if the parameter is missing. |
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*/ |
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private function parseLimit() |
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{ |
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$limit = filter_input(INPUT_GET, 'limit', FILTER_SANITIZE_NUMBER_INT) ? filter_input(INPUT_GET, 'limit', FILTER_SANITIZE_NUMBER_INT) : $this->model->getConfig()->getDefaultTransitiveLimit(); |
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if ($limit <= 0) { |
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return $this->returnError(400, "Bad Request", "Invalid limit parameter"); |
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} |
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return $limit; |
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} |
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/** Global REST methods **/ |
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/** |
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* Returns all the vocabularies available on the server in a json object. |
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*/ |
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public function vocabularies($request) |
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{ |
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if (!$request->getLang()) { |
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return $this->returnError(400, "Bad Request", "lang parameter missing"); |
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} |
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$this->setLanguageProperties($request->getLang()); |
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$vocabs = array(); |
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foreach ($this->model->getVocabularies() as $voc) { |
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$vocabs[$voc->getId()] = $voc->getConfig()->getTitle($request->getLang()); |
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} |
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ksort($vocabs); |
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$results = array(); |
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foreach ($vocabs as $id => $title) { |
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$results[] = array( |
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'uri' => $id, |
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'id' => $id, |
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'title' => $title); |
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} |
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/* encode the results in a JSON-LD compatible array */ |
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$ret = array( |
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'@context' => array( |
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'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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'onki' => 'http://schema.onki.fi/onki#', |
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'title' => array('@id' => 'rdfs:label', '@language' => $request->getLang()), |
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'vocabularies' => 'onki:hasVocabulary', |
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'id' => 'onki:vocabularyIdentifier', |
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'uri' => '@id', |
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'@base' => $this->getBaseHref() . "rest/v1/vocabularies", |
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), |
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'uri' => '', |
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'vocabularies' => $results, |
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); |
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return $this->returnJson($ret); |
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} |
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private function constructSearchParameters($request) |
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{ |
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$parameters = new ConceptSearchParameters($request, $this->model->getConfig(), true); |
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$vocabs = $request->getQueryParam('vocab'); # optional |
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// convert to vocids array to support multi-vocabulary search |
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$vocids = ($vocabs !== null && $vocabs !== '') ? explode(' ', $vocabs) : array(); |
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$vocabObjects = array(); |
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foreach($vocids as $vocid) { |
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$vocabObjects[] = $this->model->getVocabulary($vocid); |
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} |
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$parameters->setVocabularies($vocabObjects); |
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return $parameters; |
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} |
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private function transformSearchResults($request, $results, $parameters) |
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{ |
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// before serializing to JSON, get rid of the Vocabulary object that came with each resource |
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foreach ($results as &$res) { |
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unset($res['voc']); |
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} |
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$context = array( |
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'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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'isothes' => 'http://purl.org/iso25964/skos-thes#', |
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'onki' => 'http://schema.onki.fi/onki#', |
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'uri' => '@id', |
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'type' => '@type', |
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'results' => array( |
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'@id' => 'onki:results', |
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'@container' => '@list', |
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), |
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'prefLabel' => 'skos:prefLabel', |
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'altLabel' => 'skos:altLabel', |
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'hiddenLabel' => 'skos:hiddenLabel', |
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); |
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foreach ($parameters->getAdditionalFields() as $field) { |
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// Quick-and-dirty compactification |
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$context[$field] = 'skos:' . $field; |
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foreach ($results as &$result) { |
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foreach ($result as $k => $v) { |
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if ($k == 'skos:' . $field) { |
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$result[$field] = $v; |
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unset($result['skos:' . $field]); |
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} |
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} |
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} |
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} |
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$ret = array( |
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'@context' => $context, |
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'uri' => '', |
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'results' => $results, |
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); |
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if (isset($results[0]['prefLabels'])) { |
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$ret['@context']['prefLabels'] = array('@id' => 'skos:prefLabel', '@container' => '@language'); |
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} |
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if ($request->getQueryParam('labellang')) { |
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$ret['@context']['@language'] = $request->getQueryParam('labellang'); |
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} elseif ($request->getQueryParam('lang')) { |
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$ret['@context']['@language'] = $request->getQueryParam('lang'); |
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} |
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return $ret; |
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} |
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/** |
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* Performs the search function calls. And wraps the result in a json-ld object. |
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* @param Request $request |
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*/ |
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public function search(Request $request): void |
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{ |
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$maxhits = $request->getQueryParam('maxhits'); |
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$offset = $request->getQueryParam('offset'); |
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$term = $request->getQueryParamRaw('query'); |
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if ((!isset($term) || strlen(trim($term)) === 0) && (!$request->getQueryParam('group') && !$request->getQueryParam('parent'))) { |
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$this->returnError(400, "Bad Request", "query parameter missing"); |
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return; |
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} |
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if ($maxhits && (!is_numeric($maxhits) || $maxhits <= 0)) { |
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$this->returnError(400, "Bad Request", "maxhits parameter is invalid"); |
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return; |
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} |
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if ($offset && (!is_numeric($offset) || $offset < 0)) { |
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$this->returnError(400, "Bad Request", "offset parameter is invalid"); |
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return; |
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} |
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$parameters = $this->constructSearchParameters($request); |
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$results = $this->model->searchConcepts($parameters); |
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$ret = $this->transformSearchResults($request, $results, $parameters); |
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$this->returnJson($ret); |
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} |
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/** Vocabulary-specific methods **/ |
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/** |
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* Loads the vocabulary metadata. And wraps the result in a json-ld object. |
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* @param Request $request |
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*/ |
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public function vocabularyInformation($request) |
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{ |
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$vocab = $request->getVocab(); |
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if ($this->notModified($vocab)) { |
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return null; |
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} |
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/* encode the results in a JSON-LD compatible array */ |
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$conceptschemes = array(); |
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foreach ($vocab->getConceptSchemes($request->getLang()) as $uri => $csdata) { |
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$csdata['uri'] = $uri; |
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$csdata['type'] = 'skos:ConceptScheme'; |
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$conceptschemes[] = $csdata; |
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} |
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$ret = array( |
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'@context' => array( |
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'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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'onki' => 'http://schema.onki.fi/onki#', |
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'dct' => 'http://purl.org/dc/terms/', |
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'uri' => '@id', |
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'type' => '@type', |
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'conceptschemes' => 'onki:hasConceptScheme', |
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'id' => 'onki:vocabularyIdentifier', |
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'defaultLanguage' => 'onki:defaultLanguage', |
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'languages' => 'onki:language', |
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'label' => 'rdfs:label', |
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'prefLabel' => 'skos:prefLabel', |
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'title' => 'dct:title', |
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'@language' => $request->getLang(), |
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'@base' => $this->getBaseHref() . "rest/v1/" . $vocab->getId() . "/", |
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), |
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'uri' => '', |
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'id' => $vocab->getId(), |
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'marcSource' => $vocab->getConfig()->getMarcSourceCode($request->getLang()), |
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'title' => $vocab->getConfig()->getTitle($request->getLang()), |
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'defaultLanguage' => $vocab->getConfig()->getDefaultLanguage(), |
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'languages' => array_values($vocab->getConfig()->getLanguages()), |
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'conceptschemes' => $conceptschemes, |
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); |
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if ($vocab->getConfig()->getTypes($request->getLang())) { |
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$ret['type'] = $vocab->getConfig()->getTypes($request->getLang()); |
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} |
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return $this->returnJson($ret); |
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} |
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/** |
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* Loads the vocabulary metadata. And wraps the result in a json-ld object. |
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* @param Request $request |
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*/ |
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public function vocabularyStatistics($request) |
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{ |
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if ($this->notModified($request->getVocab())) { |
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return null; |
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} |
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$this->setLanguageProperties($request->getLang()); |
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$arrayClass = $request->getVocab()->getConfig()->getArrayClassURI(); |
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$groupClass = $request->getVocab()->getConfig()->getGroupClassURI(); |
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$queryLang = $request->getQueryParam('lang') ?? $request->getLang(); |
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$vocabStats = $request->getVocab()->getStatistics($queryLang, $arrayClass, $groupClass); |
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$types = array('http://www.w3.org/2004/02/skos/core#Concept', 'http://www.w3.org/2004/02/skos/core#Collection', $arrayClass, $groupClass); |
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$subTypes = array(); |
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foreach ($vocabStats as $subtype) { |
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if (!in_array($subtype['type'], $types)) { |
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$subTypes[] = $subtype; |
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} |
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} |
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/* encode the results in a JSON-LD compatible array */ |
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$ret = array( |
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'@context' => array( |
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'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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'void' => 'http://rdfs.org/ns/void#', |
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'onki' => 'http://schema.onki.fi/onki#', |
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'uri' => '@id', |
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'id' => 'onki:vocabularyIdentifier', |
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'concepts' => 'void:classPartition', |
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'label' => 'rdfs:label', |
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'class' => array('@id' => 'void:class', '@type' => '@id'), |
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'subTypes' => array('@id' => 'void:class', '@type' => '@id'), |
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'count' => 'void:entities', |
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'@language' => $request->getLang(), |
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'@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/", |
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291
|
|
|
), |
|
292
|
|
|
'uri' => '', |
|
293
|
|
|
'id' => $request->getVocab()->getId(), |
|
294
|
|
|
'title' => $request->getVocab()->getConfig()->getTitle(), |
|
295
|
|
|
'concepts' => array( |
|
296
|
|
|
'class' => 'http://www.w3.org/2004/02/skos/core#Concept', |
|
297
|
|
|
'label' => gettext('skos:Concept'), |
|
298
|
|
|
'count' => isset($vocabStats['http://www.w3.org/2004/02/skos/core#Concept']) ? $vocabStats['http://www.w3.org/2004/02/skos/core#Concept']['count'] : 0, |
|
299
|
|
|
'deprecatedCount' => isset($vocabStats['http://www.w3.org/2004/02/skos/core#Concept']) ? $vocabStats['http://www.w3.org/2004/02/skos/core#Concept']['deprecatedCount'] : 0, |
|
300
|
|
|
), |
|
301
|
|
|
'subTypes' => $subTypes, |
|
302
|
|
|
); |
|
303
|
|
|
|
|
304
|
|
|
if (isset($vocabStats['http://www.w3.org/2004/02/skos/core#Collection'])) { |
|
305
|
|
|
$ret['conceptGroups'] = array( |
|
306
|
|
|
'class' => 'http://www.w3.org/2004/02/skos/core#Collection', |
|
307
|
|
|
'label' => gettext('skos:Collection'), |
|
308
|
|
|
'count' => $vocabStats['http://www.w3.org/2004/02/skos/core#Collection']['count'], |
|
309
|
|
|
'deprecatedCount' => $vocabStats['http://www.w3.org/2004/02/skos/core#Collection']['deprecatedCount'], |
|
310
|
|
|
); |
|
311
|
|
|
|
|
312
|
|
|
} else if (isset($vocabStats[$groupClass])) { |
|
313
|
|
|
$ret['conceptGroups'] = array( |
|
314
|
|
|
'class' => $groupClass, |
|
315
|
|
|
'label' => isset($vocabStats[$groupClass]['label']) ? $vocabStats[$groupClass]['label'] : gettext(EasyRdf\RdfNamespace::shorten($groupClass)), |
|
316
|
|
|
'count' => $vocabStats[$groupClass]['count'], |
|
317
|
|
|
'deprecatedCount' => $vocabStats[$groupClass]['deprecatedCount'], |
|
318
|
|
|
); |
|
319
|
|
|
} else if (isset($vocabStats[$arrayClass])) { |
|
320
|
|
|
$ret['arrays'] = array( |
|
321
|
|
|
'class' => $arrayClass, |
|
322
|
|
|
'label' => isset($vocabStats[$arrayClass]['label']) ? $vocabStats[$arrayClass]['label'] : gettext(EasyRdf\RdfNamespace::shorten($arrayClass)), |
|
323
|
|
|
'count' => $vocabStats[$arrayClass]['count'], |
|
324
|
|
|
'deprecatedCount' => $vocabStats[$arrayClass]['deprecatedCount'], |
|
325
|
|
|
); |
|
326
|
|
|
} |
|
327
|
|
|
|
|
328
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
329
|
|
|
} |
|
330
|
|
|
|
|
331
|
|
|
/** |
|
332
|
|
|
* Loads the vocabulary metadata. And wraps the result in a json-ld object. |
|
333
|
|
|
* @param Request $request |
|
334
|
|
|
*/ |
|
335
|
|
|
public function labelStatistics($request) |
|
336
|
|
|
{ |
|
337
|
|
|
if ($this->notModified($request->getVocab())) { |
|
338
|
|
|
return null; |
|
339
|
|
|
} |
|
340
|
|
|
$lang = $request->getLang(); |
|
341
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
342
|
|
|
$vocabStats = $request->getVocab()->getLabelStatistics(); |
|
343
|
|
|
|
|
344
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
345
|
|
|
$counts = array(); |
|
346
|
|
|
foreach ($vocabStats['terms'] as $proplang => $properties) { |
|
347
|
|
|
$langdata = array('language' => $proplang); |
|
348
|
|
|
if ($lang) { |
|
349
|
|
|
$langdata['literal'] = Punic\Language::getName($proplang, $lang); |
|
350
|
|
|
} |
|
351
|
|
|
|
|
352
|
|
|
$langdata['properties'] = array(); |
|
353
|
|
|
foreach ($properties as $prop => $value) { |
|
354
|
|
|
$langdata['properties'][] = array('property' => $prop, 'labels' => $value); |
|
355
|
|
|
} |
|
356
|
|
|
$counts[] = $langdata; |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
$ret = array( |
|
360
|
|
|
'@context' => array( |
|
361
|
|
|
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
|
362
|
|
|
'skos' => 'http://www.w3.org/2004/02/skos/core#', |
|
363
|
|
|
'void' => 'http://rdfs.org/ns/void#', |
|
364
|
|
|
'void-ext' => 'http://ldf.fi/void-ext#', |
|
365
|
|
|
'onki' => 'http://schema.onki.fi/onki#', |
|
366
|
|
|
'uri' => '@id', |
|
367
|
|
|
'id' => 'onki:vocabularyIdentifier', |
|
368
|
|
|
'languages' => 'void-ext:languagePartition', |
|
369
|
|
|
'language' => 'void-ext:language', |
|
370
|
|
|
'properties' => 'void:propertyPartition', |
|
371
|
|
|
'labels' => 'void:triples', |
|
372
|
|
|
'@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/", |
|
373
|
|
|
), |
|
374
|
|
|
'uri' => '', |
|
375
|
|
|
'id' => $request->getVocab()->getId(), |
|
376
|
|
|
'title' => $request->getVocab()->getConfig()->getTitle($lang), |
|
377
|
|
|
'languages' => $counts, |
|
378
|
|
|
); |
|
379
|
|
|
|
|
380
|
|
|
if ($lang) { |
|
381
|
|
|
$ret['@context']['literal'] = array('@id' => 'rdfs:label', '@language' => $lang); |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
385
|
|
|
} |
|
386
|
|
|
|
|
387
|
|
|
/** |
|
388
|
|
|
* Loads the vocabulary type metadata. And wraps the result in a json-ld object. |
|
389
|
|
|
* @param Request $request |
|
390
|
|
|
*/ |
|
391
|
|
|
public function types($request) |
|
392
|
|
|
{ |
|
393
|
|
|
$vocid = $request->getVocab() ? $request->getVocab()->getId() : null; |
|
394
|
|
|
if ($vocid === null && !$request->getLang()) { |
|
395
|
|
|
return $this->returnError(400, "Bad Request", "lang parameter missing"); |
|
|
|
|
|
|
396
|
|
|
} |
|
397
|
|
|
if ($this->notModified($request->getVocab())) { |
|
398
|
|
|
return null; |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
402
|
|
|
|
|
403
|
|
|
$queriedtypes = $this->model->getTypes($vocid, $request->getLang()); |
|
404
|
|
|
|
|
405
|
|
|
$types = array(); |
|
406
|
|
|
|
|
407
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
408
|
|
|
foreach ($queriedtypes as $uri => $typedata) { |
|
409
|
|
|
$type = array_merge(array('uri' => $uri), $typedata); |
|
410
|
|
|
$types[] = $type; |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
$base = $request->getVocab() ? $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/" : $this->getBaseHref() . "rest/v1/"; |
|
414
|
|
|
|
|
415
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
416
|
|
|
'@context' => array( |
|
417
|
|
|
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
|
418
|
|
|
'onki' => 'http://schema.onki.fi/onki#', |
|
419
|
|
|
'label' => 'rdfs:label', |
|
420
|
|
|
'superclass' => array('@id' => 'rdfs:subClassOf', '@type' => '@id'), |
|
421
|
|
|
'types' => 'onki:hasType', |
|
422
|
|
|
'@language' => $request->getLang(), |
|
423
|
|
|
'@base' => $base, |
|
424
|
|
|
), |
|
425
|
|
|
'uri' => '', |
|
426
|
|
|
'types' => $types) |
|
427
|
|
|
); |
|
428
|
|
|
|
|
429
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
430
|
|
|
} |
|
431
|
|
|
|
|
432
|
|
|
private function findLookupHits($results, $label, $lang) |
|
433
|
|
|
{ |
|
434
|
|
|
$hits = array(); |
|
435
|
|
|
// case 1: exact match on preferred label |
|
436
|
|
|
foreach ($results as $res) { |
|
437
|
|
|
if (isset($res['prefLabel']) && $res['prefLabel'] == $label) { |
|
438
|
|
|
$hits[] = $res; |
|
439
|
|
|
} |
|
440
|
|
|
} |
|
441
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
442
|
|
|
|
|
443
|
|
|
// case 2: case-insensitive match on preferred label |
|
444
|
|
|
foreach ($results as $res) { |
|
445
|
|
|
if (isset($res['prefLabel']) && strtolower($res['prefLabel']) == strtolower($label)) { |
|
446
|
|
|
$hits[] = $res; |
|
447
|
|
|
} |
|
448
|
|
|
} |
|
449
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
450
|
|
|
|
|
451
|
|
|
if ($lang === null) { |
|
452
|
|
|
// case 1A: exact match on preferred label in any language |
|
453
|
|
|
foreach ($results as $res) { |
|
454
|
|
|
if (isset($res['matchedPrefLabel']) && $res['matchedPrefLabel'] == $label) { |
|
455
|
|
|
$res['prefLabel'] = $res['matchedPrefLabel']; |
|
456
|
|
|
unset($res['matchedPrefLabel']); |
|
457
|
|
|
$hits[] = $res; |
|
458
|
|
|
} |
|
459
|
|
|
} |
|
460
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
461
|
|
|
|
|
462
|
|
|
// case 2A: case-insensitive match on preferred label in any language |
|
463
|
|
|
foreach ($results as $res) { |
|
464
|
|
|
if (isset($res['matchedPrefLabel']) && strtolower($res['matchedPrefLabel']) == strtolower($label)) { |
|
465
|
|
|
$res['prefLabel'] = $res['matchedPrefLabel']; |
|
466
|
|
|
unset($res['matchedPrefLabel']); |
|
467
|
|
|
$hits[] = $res; |
|
468
|
|
|
} |
|
469
|
|
|
} |
|
470
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
471
|
|
|
} |
|
472
|
|
|
|
|
473
|
|
|
// case 3: exact match on alternate label |
|
474
|
|
|
foreach ($results as $res) { |
|
475
|
|
|
if (isset($res['altLabel']) && $res['altLabel'] == $label) { |
|
476
|
|
|
$hits[] = $res; |
|
477
|
|
|
} |
|
478
|
|
|
} |
|
479
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
480
|
|
|
|
|
481
|
|
|
|
|
482
|
|
|
// case 4: case-insensitive match on alternate label |
|
483
|
|
|
foreach ($results as $res) { |
|
484
|
|
|
if (isset($res['altLabel']) && strtolower($res['altLabel']) == strtolower($label)) { |
|
485
|
|
|
$hits[] = $res; |
|
486
|
|
|
} |
|
487
|
|
|
} |
|
488
|
|
|
if (sizeof($hits) > 0) return $hits; |
|
489
|
|
|
|
|
490
|
|
|
return $hits; |
|
491
|
|
|
} |
|
492
|
|
|
|
|
493
|
|
|
private function transformLookupResults($lang, $hits) |
|
494
|
|
|
{ |
|
495
|
|
|
if (sizeof($hits) == 0) { |
|
496
|
|
|
// no matches found |
|
497
|
|
|
return; |
|
498
|
|
|
} |
|
499
|
|
|
|
|
500
|
|
|
// found matches, getting rid of Vocabulary objects |
|
501
|
|
|
foreach ($hits as &$res) { |
|
502
|
|
|
unset($res['voc']); |
|
503
|
|
|
} |
|
504
|
|
|
|
|
505
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
506
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'results' => array('@id' => 'onki:results'), 'prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel'), |
|
507
|
|
|
'result' => $hits) |
|
508
|
|
|
); |
|
509
|
|
|
|
|
510
|
|
|
if ($lang) { |
|
511
|
|
|
$ret['@context']['@language'] = $lang; |
|
512
|
|
|
} |
|
513
|
|
|
|
|
514
|
|
|
return $ret; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
|
|
/** |
|
518
|
|
|
* Used for finding terms by their exact prefLabel. Wraps the result in a json-ld object. |
|
519
|
|
|
* @param Request $request |
|
520
|
|
|
*/ |
|
521
|
|
|
public function lookup($request) |
|
522
|
|
|
{ |
|
523
|
|
|
$label = $request->getQueryParamRaw('label'); |
|
524
|
|
|
if (!$label) { |
|
525
|
|
|
return $this->returnError(400, "Bad Request", "label parameter missing"); |
|
|
|
|
|
|
526
|
|
|
} |
|
527
|
|
|
|
|
528
|
|
|
$lang = $request->getQueryParam('lang'); |
|
529
|
|
|
$parameters = new ConceptSearchParameters($request, $this->model->getConfig(), true); |
|
530
|
|
|
$results = $this->model->searchConcepts($parameters); |
|
531
|
|
|
$hits = $this->findLookupHits($results, $label, $lang); |
|
532
|
|
|
$ret = $this->transformLookupResults($lang, $hits); |
|
533
|
|
|
if ($ret === null) { |
|
534
|
|
|
return $this->returnError(404, 'Not Found', "Could not find label '$label'"); |
|
|
|
|
|
|
535
|
|
|
} |
|
536
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
537
|
|
|
} |
|
538
|
|
|
|
|
539
|
|
|
/** |
|
540
|
|
|
* Queries the top concepts of a vocabulary and wraps the results in a json-ld object. |
|
541
|
|
|
* @param Request $request |
|
542
|
|
|
* @return object json-ld object |
|
543
|
|
|
*/ |
|
544
|
|
|
public function topConcepts($request) |
|
545
|
|
|
{ |
|
546
|
|
|
$vocab = $request->getVocab(); |
|
547
|
|
|
if ($this->notModified($vocab)) { |
|
548
|
|
|
return null; |
|
549
|
|
|
} |
|
550
|
|
|
$scheme = $request->getQueryParam('scheme'); |
|
551
|
|
|
if (!$scheme) { |
|
552
|
|
|
$scheme = $vocab->getConfig()->showConceptSchemesInHierarchy() ? array_keys($vocab->getConceptSchemes()) : $vocab->getDefaultConceptScheme(); |
|
553
|
|
|
} |
|
554
|
|
|
|
|
555
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
556
|
|
|
$topconcepts = $vocab->getTopConcepts($scheme, $request->getLang()); |
|
|
|
|
|
|
557
|
|
|
|
|
558
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
559
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'topconcepts' => 'skos:hasTopConcept', 'notation' => 'skos:notation', 'label' => 'skos:prefLabel', '@language' => $request->getLang()), |
|
560
|
|
|
'uri' => $scheme, |
|
561
|
|
|
'topconcepts' => $topconcepts) |
|
562
|
|
|
); |
|
563
|
|
|
|
|
564
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
565
|
|
|
} |
|
566
|
|
|
|
|
567
|
|
|
private function redirectToVocabData($request) { |
|
568
|
|
|
$urls = $request->getVocab()->getConfig()->getDataURLs(); |
|
569
|
|
|
if (sizeof($urls) == 0) { |
|
570
|
|
|
$vocid = $request->getVocab()->getId(); |
|
571
|
|
|
return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid"); |
|
|
|
|
|
|
572
|
|
|
} |
|
573
|
|
|
|
|
574
|
|
|
$format = $this->negotiateFormat(array_keys($urls), $request->getServerConstant('HTTP_ACCEPT'), $request->getQueryParam('format')); |
|
575
|
|
|
if (!$format) { |
|
576
|
|
|
return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . implode(' ', array_keys($urls))); |
|
|
|
|
|
|
577
|
|
|
} |
|
578
|
|
|
if (is_array($urls[$format])) { |
|
579
|
|
|
$arr = $urls[$format]; |
|
580
|
|
|
$dataLang = $request->getLang(); |
|
581
|
|
|
if (isset($arr[$dataLang])) { |
|
582
|
|
|
header("Location: " . $arr[$dataLang]); |
|
583
|
|
|
} else { |
|
584
|
|
|
$vocid = $request->getVocab()->getId(); |
|
585
|
|
|
return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid in language $dataLang"); |
|
|
|
|
|
|
586
|
|
|
} |
|
587
|
|
|
} else { |
|
588
|
|
|
header("Location: " . $urls[$format]); |
|
589
|
|
|
} |
|
590
|
|
|
} |
|
591
|
|
|
|
|
592
|
|
|
private function returnDataResults($results, $format) { |
|
593
|
|
|
if ($format == 'application/ld+json' || $format == 'application/json') { |
|
594
|
|
|
// further compact JSON-LD document using a context |
|
595
|
|
|
$context = array( |
|
596
|
|
|
'skos' => 'http://www.w3.org/2004/02/skos/core#', |
|
597
|
|
|
'isothes' => 'http://purl.org/iso25964/skos-thes#', |
|
598
|
|
|
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
|
599
|
|
|
'owl' => 'http://www.w3.org/2002/07/owl#', |
|
600
|
|
|
'dct' => 'http://purl.org/dc/terms/', |
|
601
|
|
|
'dc11' => 'http://purl.org/dc/elements/1.1/', |
|
602
|
|
|
'uri' => '@id', |
|
603
|
|
|
'type' => '@type', |
|
604
|
|
|
'lang' => '@language', |
|
605
|
|
|
'value' => '@value', |
|
606
|
|
|
'graph' => '@graph', |
|
607
|
|
|
'label' => 'rdfs:label', |
|
608
|
|
|
'prefLabel' => 'skos:prefLabel', |
|
609
|
|
|
'altLabel' => 'skos:altLabel', |
|
610
|
|
|
'hiddenLabel' => 'skos:hiddenLabel', |
|
611
|
|
|
'broader' => 'skos:broader', |
|
612
|
|
|
'narrower' => 'skos:narrower', |
|
613
|
|
|
'related' => 'skos:related', |
|
614
|
|
|
'inScheme' => 'skos:inScheme', |
|
615
|
|
|
'exactMatch' => 'skos:exactMatch', |
|
616
|
|
|
'closeMatch' => 'skos:closeMatch', |
|
617
|
|
|
'broadMatch' => 'skos:broadMatch', |
|
618
|
|
|
'narrowMatch' => 'skos:narrowMatch', |
|
619
|
|
|
'relatedMatch' => 'skos:relatedMatch', |
|
620
|
|
|
); |
|
621
|
|
|
$compactJsonLD = \ML\JsonLD\JsonLD::compact($results, json_encode($context)); |
|
622
|
|
|
$results = \ML\JsonLD\JsonLD::toString($compactJsonLD); |
|
623
|
|
|
} |
|
624
|
|
|
|
|
625
|
|
|
header("Content-type: $format; charset=utf-8"); |
|
626
|
|
|
echo $results; |
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
/** |
|
630
|
|
|
* Download a concept as json-ld or redirect to download the whole vocabulary. |
|
631
|
|
|
* @param Request $request |
|
632
|
|
|
* @return object json-ld formatted concept. |
|
633
|
|
|
*/ |
|
634
|
|
|
public function data($request) |
|
635
|
|
|
{ |
|
636
|
|
|
$vocab = $request->getVocab(); |
|
637
|
|
|
if ($this->notModified($request->getVocab())) { |
|
638
|
|
|
return null; |
|
639
|
|
|
} |
|
640
|
|
|
|
|
641
|
|
|
if ($request->getUri()) { |
|
642
|
|
|
$uri = $request->getUri(); |
|
643
|
|
|
} else if ($vocab !== null) { // whole vocabulary - redirect to download URL |
|
644
|
|
|
return $this->redirectToVocabData($request); |
|
|
|
|
|
|
645
|
|
|
} else { |
|
646
|
|
|
return $this->returnError(400, 'Bad Request', "uri parameter missing"); |
|
|
|
|
|
|
647
|
|
|
} |
|
648
|
|
|
|
|
649
|
|
|
$format = $this->negotiateFormat(explode(' ', self::SUPPORTED_FORMATS), $request->getServerConstant('HTTP_ACCEPT'), $request->getQueryParam('format')); |
|
650
|
|
|
if (!$format) { |
|
651
|
|
|
return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . self::SUPPORTED_FORMATS); |
|
|
|
|
|
|
652
|
|
|
} |
|
653
|
|
|
|
|
654
|
|
|
$vocid = $vocab ? $vocab->getId() : null; |
|
|
|
|
|
|
655
|
|
|
$results = $this->model->getRDF($vocid, $uri, $format); |
|
656
|
|
|
if (empty($results)) { |
|
657
|
|
|
return $this->returnError(404, 'Bad Request', "no concept found with given uri"); |
|
|
|
|
|
|
658
|
|
|
} |
|
659
|
|
|
return $this->returnDataResults($results, $format); |
|
|
|
|
|
|
660
|
|
|
} |
|
661
|
|
|
|
|
662
|
|
|
/** |
|
663
|
|
|
* Get the mappings associated with a concept, enriched with labels and notations. |
|
664
|
|
|
* Returns a JSKOS-compatible JSON object. |
|
665
|
|
|
* @param Request $request |
|
666
|
|
|
* @throws Exception if the vocabulary ID is not found in configuration |
|
667
|
|
|
*/ |
|
668
|
|
|
public function mappings(Request $request) |
|
669
|
|
|
{ |
|
670
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
671
|
|
|
$vocab = $request->getVocab(); |
|
672
|
|
|
if ($this->notModified($vocab)) { |
|
673
|
|
|
return null; |
|
674
|
|
|
} |
|
675
|
|
|
|
|
676
|
|
|
$uri = $request->getUri(); |
|
677
|
|
|
if (!$uri) { |
|
678
|
|
|
return $this->returnError(400, 'Bad Request', "uri parameter missing"); |
|
|
|
|
|
|
679
|
|
|
} |
|
680
|
|
|
|
|
681
|
|
|
$queryExVocabs = $request->getQueryParamBoolean('external', true); |
|
682
|
|
|
|
|
683
|
|
|
$results = $vocab->getConceptInfo($uri, $request->getContentLang()); |
|
684
|
|
|
if (empty($results)) { |
|
685
|
|
|
return $this->returnError(404, 'Bad Request', "no concept found with given uri"); |
|
|
|
|
|
|
686
|
|
|
} |
|
687
|
|
|
|
|
688
|
|
|
$concept = $results[0]; |
|
689
|
|
|
|
|
690
|
|
|
$mappings = []; |
|
691
|
|
|
foreach ($concept->getMappingProperties() as $mappingProperty) { |
|
692
|
|
|
foreach ($mappingProperty->getValues() as $mappingPropertyValue) { |
|
693
|
|
|
$hrefLink = $this->linkUrlFilter($mappingPropertyValue->getUri(), $mappingPropertyValue->getExVocab(), $request->getLang(), 'page', $request->getContentLang()); |
|
694
|
|
|
$mappings[] = $mappingPropertyValue->asJskos($queryExVocabs, $request->getLang(), $hrefLink); |
|
695
|
|
|
} |
|
696
|
|
|
} |
|
697
|
|
|
|
|
698
|
|
|
$ret = array( |
|
699
|
|
|
'mappings' => $mappings, |
|
700
|
|
|
'graph' => $concept->dumpJsonLd() |
|
701
|
|
|
); |
|
702
|
|
|
|
|
703
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
704
|
|
|
} |
|
705
|
|
|
|
|
706
|
|
|
/** |
|
707
|
|
|
* Used for querying labels for a uri. |
|
708
|
|
|
* @param Request $request |
|
709
|
|
|
* @return object json-ld wrapped labels. |
|
710
|
|
|
*/ |
|
711
|
|
|
public function label($request) |
|
712
|
|
|
{ |
|
713
|
|
|
if (!$request->getUri()) { |
|
714
|
|
|
return $this->returnError(400, "Bad Request", "uri parameter missing"); |
|
|
|
|
|
|
715
|
|
|
} |
|
716
|
|
|
|
|
717
|
|
|
if ($this->notModified($request->getVocab())) { |
|
718
|
|
|
return null; |
|
719
|
|
|
} |
|
720
|
|
|
|
|
721
|
|
|
$vocab = $request->getVocab(); |
|
722
|
|
|
if ($vocab === null) { |
|
723
|
|
|
$vocab = $this->model->guessVocabularyFromUri($request->getUri()); |
|
724
|
|
|
} |
|
725
|
|
|
if ($vocab === null) { |
|
726
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
|
|
|
|
|
727
|
|
|
} |
|
728
|
|
|
|
|
729
|
|
|
$labelResults = $vocab->getAllConceptLabels($request->getUri(), $request->getLang()); |
|
730
|
|
|
if ($labelResults === null) { |
|
|
|
|
|
|
731
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
732
|
|
|
} |
|
733
|
|
|
|
|
734
|
|
|
// there should be only one preferred label so no need for an array |
|
735
|
|
|
if (array_key_exists('prefLabel', $labelResults)) { |
|
736
|
|
|
$labelResults['prefLabel'] = $labelResults['prefLabel'][0]; |
|
737
|
|
|
} |
|
738
|
|
|
|
|
739
|
|
|
$ret = array_merge_recursive($this->context, |
|
740
|
|
|
array('@context' => array('prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel', '@language' => $request->getLang()), |
|
741
|
|
|
'uri' => $request->getUri()), |
|
742
|
|
|
$labelResults); |
|
743
|
|
|
|
|
744
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
745
|
|
|
} |
|
746
|
|
|
|
|
747
|
|
|
/** |
|
748
|
|
|
* Query for the available letters in the alphabetical index. |
|
749
|
|
|
* @param Request $request |
|
750
|
|
|
* @return object JSON-LD wrapped list of letters |
|
751
|
|
|
*/ |
|
752
|
|
|
|
|
753
|
|
|
public function indexLetters($request) |
|
754
|
|
|
{ |
|
755
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
756
|
|
|
$letters = $request->getVocab()->getAlphabet($request->getLang()); |
|
757
|
|
|
|
|
758
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
759
|
|
|
'@context' => array( |
|
760
|
|
|
'indexLetters' => array( |
|
761
|
|
|
'@id' => 'skosmos:indexLetters', |
|
762
|
|
|
'@container' => '@list', |
|
763
|
|
|
'@language' => $request->getLang() |
|
764
|
|
|
) |
|
765
|
|
|
), |
|
766
|
|
|
'uri' => '', |
|
767
|
|
|
'indexLetters' => $letters) |
|
768
|
|
|
); |
|
769
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
770
|
|
|
} |
|
771
|
|
|
|
|
772
|
|
|
/** |
|
773
|
|
|
* Query for the concepts with terms starting with a given letter in the |
|
774
|
|
|
* alphabetical index. |
|
775
|
|
|
* @param Request $request |
|
776
|
|
|
* @return object JSON-LD wrapped list of terms/concepts |
|
777
|
|
|
*/ |
|
778
|
|
|
|
|
779
|
|
|
public function indexConcepts($letter, $request) |
|
780
|
|
|
{ |
|
781
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
782
|
|
|
|
|
783
|
|
|
$offset_param = $request->getQueryParam('offset'); |
|
784
|
|
|
$offset = (is_numeric($offset_param) && $offset_param >= 0) ? $offset_param : 0; |
|
785
|
|
|
$limit_param = $request->getQueryParam('limit'); |
|
786
|
|
|
$limit = (is_numeric($limit_param) && $limit_param >= 0) ? $limit_param : 0; |
|
787
|
|
|
|
|
788
|
|
|
$concepts = $request->getVocab()->searchConceptsAlphabetical($letter, $limit, $offset, $request->getLang()); |
|
789
|
|
|
|
|
790
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
791
|
|
|
'@context' => array( |
|
792
|
|
|
'indexConcepts' => array( |
|
793
|
|
|
'@id' => 'skosmos:indexConcepts', |
|
794
|
|
|
'@container' => '@list' |
|
795
|
|
|
) |
|
796
|
|
|
), |
|
797
|
|
|
'uri' => '', |
|
798
|
|
|
'indexConcepts' => $concepts) |
|
799
|
|
|
); |
|
800
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
801
|
|
|
} |
|
802
|
|
|
|
|
803
|
|
|
private function transformPropertyResults($uri, $lang, $objects, $propname, $propuri) |
|
804
|
|
|
{ |
|
805
|
|
|
$results = array(); |
|
806
|
|
|
foreach ($objects as $objuri => $vals) { |
|
807
|
|
|
$results[] = array('uri' => $objuri, 'prefLabel' => $vals['label']); |
|
808
|
|
|
} |
|
809
|
|
|
|
|
810
|
|
|
return array_merge_recursive($this->context, array( |
|
811
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', $propname => $propuri, '@language' => $lang), |
|
812
|
|
|
'uri' => $uri, |
|
813
|
|
|
$propname => $results) |
|
814
|
|
|
); |
|
815
|
|
|
} |
|
816
|
|
|
|
|
817
|
|
|
private function transformTransitivePropertyResults($uri, $lang, $objects, $tpropname, $tpropuri, $dpropname, $dpropuri) |
|
818
|
|
|
{ |
|
819
|
|
|
$results = array(); |
|
820
|
|
|
foreach ($objects as $objuri => $vals) { |
|
821
|
|
|
$result = array('uri' => $objuri, 'prefLabel' => $vals['label']); |
|
822
|
|
|
if (isset($vals['direct'])) { |
|
823
|
|
|
$result[$dpropname] = $vals['direct']; |
|
824
|
|
|
} |
|
825
|
|
|
$results[$objuri] = $result; |
|
826
|
|
|
} |
|
827
|
|
|
|
|
828
|
|
|
return array_merge_recursive($this->context, array( |
|
829
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', $dpropname => array('@id' => $dpropuri, '@type' => '@id'), $tpropname => array('@id' => $tpropuri, '@container' => '@index'), '@language' => $lang), |
|
830
|
|
|
'uri' => $uri, |
|
831
|
|
|
$tpropname => $results) |
|
832
|
|
|
); |
|
833
|
|
|
} |
|
834
|
|
|
|
|
835
|
|
|
/** |
|
836
|
|
|
* Used for querying broader relations for a concept. |
|
837
|
|
|
* @param Request $request |
|
838
|
|
|
* @return object json-ld wrapped broader concept uris and labels. |
|
839
|
|
|
*/ |
|
840
|
|
|
public function broader($request) |
|
841
|
|
|
{ |
|
842
|
|
|
if ($this->notModified($request->getVocab())) { |
|
843
|
|
|
return null; |
|
844
|
|
|
} |
|
845
|
|
|
$broaders = $request->getVocab()->getConceptBroaders($request->getUri(), $request->getLang()); |
|
846
|
|
|
if ($broaders === null) { |
|
|
|
|
|
|
847
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
848
|
|
|
} |
|
849
|
|
|
$ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $broaders, "broader", "skos:broader"); |
|
850
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
851
|
|
|
} |
|
852
|
|
|
|
|
853
|
|
|
/** |
|
854
|
|
|
* Used for querying broader transitive relations for a concept. |
|
855
|
|
|
* @param Request $request |
|
856
|
|
|
* @return object json-ld wrapped broader transitive concept uris and labels. |
|
857
|
|
|
*/ |
|
858
|
|
|
public function broaderTransitive($request) |
|
859
|
|
|
{ |
|
860
|
|
|
if ($this->notModified($request->getVocab())) { |
|
861
|
|
|
return null; |
|
862
|
|
|
} |
|
863
|
|
|
$broaders = $request->getVocab()->getConceptTransitiveBroaders($request->getUri(), $this->parseLimit(), false, $request->getLang()); |
|
864
|
|
|
if (empty($broaders)) { |
|
865
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
|
|
|
|
|
866
|
|
|
} |
|
867
|
|
|
$ret = $this->transformTransitivePropertyResults($request->getUri(), $request->getLang(), $broaders, "broaderTransitive", "skos:broaderTransitive", "broader", "skos:broader"); |
|
868
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
869
|
|
|
} |
|
870
|
|
|
|
|
871
|
|
|
/** |
|
872
|
|
|
* Used for querying narrower relations for a concept. |
|
873
|
|
|
* @param Request $request |
|
874
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
875
|
|
|
*/ |
|
876
|
|
|
public function narrower($request) |
|
877
|
|
|
{ |
|
878
|
|
|
if ($this->notModified($request->getVocab())) { |
|
879
|
|
|
return null; |
|
880
|
|
|
} |
|
881
|
|
|
$narrowers = $request->getVocab()->getConceptNarrowers($request->getUri(), $request->getLang()); |
|
882
|
|
|
if ($narrowers === null) { |
|
|
|
|
|
|
883
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
884
|
|
|
} |
|
885
|
|
|
$ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $narrowers, "narrower", "skos:narrower"); |
|
886
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
887
|
|
|
} |
|
888
|
|
|
|
|
889
|
|
|
/** |
|
890
|
|
|
* Used for querying narrower transitive relations for a concept. |
|
891
|
|
|
* @param Request $request |
|
892
|
|
|
* @return object json-ld wrapped narrower transitive concept uris and labels. |
|
893
|
|
|
*/ |
|
894
|
|
|
public function narrowerTransitive($request) |
|
895
|
|
|
{ |
|
896
|
|
|
if ($this->notModified($request->getVocab())) { |
|
897
|
|
|
return null; |
|
898
|
|
|
} |
|
899
|
|
|
$narrowers = $request->getVocab()->getConceptTransitiveNarrowers($request->getUri(), $this->parseLimit(), $request->getLang()); |
|
900
|
|
|
if (empty($narrowers)) { |
|
901
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
|
|
|
|
|
902
|
|
|
} |
|
903
|
|
|
$ret = $this->transformTransitivePropertyResults($request->getUri(), $request->getLang(), $narrowers, "narrowerTransitive", "skos:narrowerTransitive", "narrower", "skos:narrower"); |
|
904
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
905
|
|
|
} |
|
906
|
|
|
|
|
907
|
|
|
/** |
|
908
|
|
|
* Used for querying broader transitive relations |
|
909
|
|
|
* and some narrowers for a concept in the hierarchy view. |
|
910
|
|
|
* @param Request $request |
|
911
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
912
|
|
|
*/ |
|
913
|
|
|
public function hierarchy($request) |
|
914
|
|
|
{ |
|
915
|
|
|
if ($this->notModified($request->getVocab())) { |
|
916
|
|
|
return null; |
|
917
|
|
|
} |
|
918
|
|
|
$results = $request->getVocab()->getConceptHierarchy($request->getUri(), $request->getLang()); |
|
919
|
|
|
if (empty($results)) { |
|
920
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
|
|
|
|
|
921
|
|
|
} |
|
922
|
|
|
|
|
923
|
|
|
// set the "top" key from the "tops" key |
|
924
|
|
|
foreach ($results as $value) { |
|
925
|
|
|
$uri = $value['uri']; |
|
926
|
|
|
if (isset($value['tops'])) { |
|
927
|
|
|
if ($request->getVocab()->getConfig()->getMainConceptSchemeURI() != null) { |
|
928
|
|
|
foreach ($results[$uri]['tops'] as $top) { |
|
929
|
|
|
// if a value in 'tops' matches the main concept scheme of the vocabulary, take it |
|
930
|
|
|
if ($top == $request->getVocab()->getConfig()->getMainConceptSchemeURI()) { |
|
931
|
|
|
$results[$uri]['top'] = $top; |
|
932
|
|
|
break; |
|
933
|
|
|
} |
|
934
|
|
|
} |
|
935
|
|
|
// if the main concept scheme was not found, set 'top' to the first 'tops' (sorted alphabetically on the URIs) |
|
936
|
|
|
if (! isset($results[$uri]['top'])) { |
|
937
|
|
|
$results[$uri]['top'] = $results[$uri]['tops'][0]; |
|
938
|
|
|
} |
|
939
|
|
|
} else { |
|
940
|
|
|
// no main concept scheme set on the vocab, take the first value of 'tops' (sorted alphabetically) |
|
941
|
|
|
$results[$uri]['top'] = $results[$uri]['tops'][0]; |
|
942
|
|
|
} |
|
943
|
|
|
} |
|
944
|
|
|
} |
|
945
|
|
|
|
|
946
|
|
|
if ($request->getVocab()->getConfig()->getShowHierarchy()) { |
|
947
|
|
|
$schemes = $request->getVocab()->getConceptSchemes($request->getLang()); |
|
948
|
|
|
foreach ($schemes as $scheme) { |
|
949
|
|
|
if (!isset($scheme['title']) && !isset($scheme['label']) && !isset($scheme['prefLabel'])) { |
|
950
|
|
|
unset($schemes[array_search($scheme, $schemes)]); |
|
951
|
|
|
} |
|
952
|
|
|
|
|
953
|
|
|
} |
|
954
|
|
|
|
|
955
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
956
|
|
|
$topconcepts = $request->getVocab()->getTopConcepts(array_keys($schemes), $request->getLang()); |
|
|
|
|
|
|
957
|
|
|
foreach ($topconcepts as $top) { |
|
958
|
|
|
if (!isset($results[$top['uri']])) { |
|
959
|
|
|
$results[$top['uri']] = array('uri' => $top['uri'], 'top'=>$top['topConceptOf'], 'tops'=>array($top['topConceptOf']), 'prefLabel' => $top['label'], 'hasChildren' => $top['hasChildren']); |
|
960
|
|
|
if (isset($top['notation'])) { |
|
961
|
|
|
$results[$top['uri']]['notation'] = $top['notation']; |
|
962
|
|
|
} |
|
963
|
|
|
|
|
964
|
|
|
} |
|
965
|
|
|
} |
|
966
|
|
|
} |
|
967
|
|
|
|
|
968
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
969
|
|
|
'@context' => array( |
|
970
|
|
|
'onki' => 'http://schema.onki.fi/onki#', |
|
971
|
|
|
'prefLabel' => 'skos:prefLabel', |
|
972
|
|
|
'notation' => 'skos:notation', |
|
973
|
|
|
'narrower' => array('@id' => 'skos:narrower', '@type' => '@id'), |
|
974
|
|
|
'broader' => array('@id' => 'skos:broader', '@type' => '@id'), |
|
975
|
|
|
'broaderTransitive' => array('@id' => 'skos:broaderTransitive', '@container' => '@index'), |
|
976
|
|
|
'top' => array('@id' => 'skos:topConceptOf', '@type' => '@id'), |
|
977
|
|
|
// the tops key will contain all the concept scheme values, while top (singular) contains a single value |
|
978
|
|
|
'tops' => array('@id' => 'skos:topConceptOf', '@type' => '@id'), |
|
979
|
|
|
'hasChildren' => 'onki:hasChildren', |
|
980
|
|
|
'@language' => $request->getLang() |
|
981
|
|
|
), |
|
982
|
|
|
'uri' => $request->getUri(), |
|
983
|
|
|
'broaderTransitive' => $results) |
|
984
|
|
|
); |
|
985
|
|
|
|
|
986
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
987
|
|
|
} |
|
988
|
|
|
|
|
989
|
|
|
/** |
|
990
|
|
|
* Used for querying group hierarchy for the sidebar group view. |
|
991
|
|
|
* @param Request $request |
|
992
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
993
|
|
|
*/ |
|
994
|
|
|
public function groups($request) |
|
995
|
|
|
{ |
|
996
|
|
|
if ($this->notModified($request->getVocab())) { |
|
997
|
|
|
return null; |
|
998
|
|
|
} |
|
999
|
|
|
$results = $request->getVocab()->listConceptGroups($request->getLang()); |
|
1000
|
|
|
|
|
1001
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
1002
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'prefLabel' => 'skos:prefLabel', 'groups' => 'onki:hasGroup', 'childGroups' => array('@id' => 'skos:member', '@type' => '@id'), 'hasMembers' => 'onki:hasMembers', '@language' => $request->getLang()), |
|
1003
|
|
|
'uri' => '', |
|
1004
|
|
|
'groups' => $results) |
|
1005
|
|
|
); |
|
1006
|
|
|
|
|
1007
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
1008
|
|
|
} |
|
1009
|
|
|
|
|
1010
|
|
|
/** |
|
1011
|
|
|
* Used for querying member relations for a group. |
|
1012
|
|
|
* @param Request $request |
|
1013
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
1014
|
|
|
*/ |
|
1015
|
|
|
public function groupMembers($request) |
|
1016
|
|
|
{ |
|
1017
|
|
|
if ($this->notModified($request->getVocab())) { |
|
1018
|
|
|
return null; |
|
1019
|
|
|
} |
|
1020
|
|
|
$children = $request->getVocab()->listConceptGroupContents($request->getUri(), $request->getLang()); |
|
1021
|
|
|
if (empty($children)) { |
|
1022
|
|
|
return $this->returnError('404', 'Not Found', "Could not find group <{$request->getUri()}>"); |
|
|
|
|
|
|
1023
|
|
|
} |
|
1024
|
|
|
|
|
1025
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
1026
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'members' => 'skos:member', '@language' => $request->getLang()), |
|
1027
|
|
|
'uri' => $request->getUri(), |
|
1028
|
|
|
'members' => $children) |
|
1029
|
|
|
); |
|
1030
|
|
|
|
|
1031
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
1032
|
|
|
} |
|
1033
|
|
|
|
|
1034
|
|
|
/** |
|
1035
|
|
|
* Used for querying narrower relations for a concept in the hierarchy view. |
|
1036
|
|
|
* @param Request $request |
|
1037
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
1038
|
|
|
*/ |
|
1039
|
|
|
public function children($request) |
|
1040
|
|
|
{ |
|
1041
|
|
|
if ($this->notModified($request->getVocab())) { |
|
1042
|
|
|
return null; |
|
1043
|
|
|
} |
|
1044
|
|
|
$children = $request->getVocab()->getConceptChildren($request->getUri(), $request->getLang()); |
|
1045
|
|
|
if ($children === null) { |
|
|
|
|
|
|
1046
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
1047
|
|
|
} |
|
1048
|
|
|
|
|
1049
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
1050
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'narrower' => 'skos:narrower', 'notation' => 'skos:notation', 'hasChildren' => 'onki:hasChildren', '@language' => $request->getLang()), |
|
1051
|
|
|
'uri' => $request->getUri(), |
|
1052
|
|
|
'narrower' => $children) |
|
1053
|
|
|
); |
|
1054
|
|
|
|
|
1055
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
1056
|
|
|
} |
|
1057
|
|
|
|
|
1058
|
|
|
/** |
|
1059
|
|
|
* Used for querying narrower relations for a concept in the hierarchy view. |
|
1060
|
|
|
* @param Request $request |
|
1061
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
1062
|
|
|
*/ |
|
1063
|
|
|
public function related($request) |
|
1064
|
|
|
{ |
|
1065
|
|
|
if ($this->notModified($request->getVocab())) { |
|
1066
|
|
|
return null; |
|
1067
|
|
|
} |
|
1068
|
|
|
$related = $request->getVocab()->getConceptRelateds($request->getUri(), $request->getLang()); |
|
1069
|
|
|
if ($related === null) { |
|
|
|
|
|
|
1070
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
1071
|
|
|
} |
|
1072
|
|
|
$ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $related, "related", "skos:related"); |
|
1073
|
|
|
return $this->returnJson($ret); |
|
|
|
|
|
|
1074
|
|
|
} |
|
1075
|
|
|
|
|
1076
|
|
|
/** |
|
1077
|
|
|
* Used for querying new concepts in the vocabulary |
|
1078
|
|
|
* @param Request $request |
|
1079
|
|
|
* @return object json-ld wrapped list of changed concepts |
|
1080
|
|
|
*/ |
|
1081
|
|
|
public function newConcepts($request) |
|
1082
|
|
|
{ |
|
1083
|
|
|
$offset = ($request->getQueryParam('offset') && is_numeric($request->getQueryParam('offset')) && $request->getQueryParam('offset') >= 0) ? $request->getQueryParam('offset') : 0; |
|
1084
|
|
|
$limit = ($request->getQueryParam('limit') && is_numeric($request->getQueryParam('limit')) && $request->getQueryParam('limit') >= 0) ? $request->getQueryParam('limit') : 200; |
|
1085
|
|
|
|
|
1086
|
|
|
return $this->changedConcepts($request, 'dc:created', $offset, $limit); |
|
|
|
|
|
|
1087
|
|
|
} |
|
1088
|
|
|
|
|
1089
|
|
|
/** |
|
1090
|
|
|
* Used for querying modified concepts in the vocabulary |
|
1091
|
|
|
* @param Request $request |
|
1092
|
|
|
* @return object json-ld wrapped list of changed concepts |
|
1093
|
|
|
*/ |
|
1094
|
|
|
public function modifiedConcepts($request) |
|
1095
|
|
|
{ |
|
1096
|
|
|
$offset = ($request->getQueryParam('offset') && is_numeric($request->getQueryParam('offset')) && $request->getQueryParam('offset') >= 0) ? $request->getQueryParam('offset') : 0; |
|
1097
|
|
|
$limit = ($request->getQueryParam('limit') && is_numeric($request->getQueryParam('limit')) && $request->getQueryParam('limit') >= 0) ? $request->getQueryParam('limit') : 200; |
|
1098
|
|
|
|
|
1099
|
|
|
return $this->changedConcepts($request, 'dc:modified', $offset, $limit); |
|
|
|
|
|
|
1100
|
|
|
} |
|
1101
|
|
|
|
|
1102
|
|
|
/** |
|
1103
|
|
|
* Used for querying changed concepts in the vocabulary |
|
1104
|
|
|
* @param Request $request |
|
1105
|
|
|
* @param int $offset starting index offset |
|
1106
|
|
|
* @param int $limit maximum number of concepts to return |
|
1107
|
|
|
* @return object json-ld wrapped list of changed concepts |
|
1108
|
|
|
*/ |
|
1109
|
|
|
private function changedConcepts($request, $prop, $offset, $limit) |
|
1110
|
|
|
{ |
|
1111
|
|
|
$changeList = $request->getVocab()->getChangeList($prop, $request->getLang(), $offset, $limit); |
|
1112
|
|
|
|
|
1113
|
|
|
$simpleChangeList = array(); |
|
1114
|
|
|
foreach($changeList as $conceptInfo) { |
|
1115
|
|
|
if (array_key_exists('date', $conceptInfo)) { |
|
1116
|
|
|
$concept = array( |
|
1117
|
|
|
'uri' => $conceptInfo['uri'], |
|
1118
|
|
|
'prefLabel' => $conceptInfo['prefLabel'], |
|
1119
|
|
|
'date' => $conceptInfo['date']->format("Y-m-d\TH:i:sO") ); |
|
1120
|
|
|
if (array_key_exists('replacedBy', $conceptInfo)) { |
|
1121
|
|
|
$concept['replacedBy'] = $conceptInfo['replacedBy']; |
|
1122
|
|
|
if (array_key_exists('replacingLabel', $conceptInfo)) { |
|
1123
|
|
|
$concept['replacingLabel'] = $conceptInfo['replacingLabel']; |
|
1124
|
|
|
} |
|
1125
|
|
|
} |
|
1126
|
|
|
$simpleChangeList[] = $concept; |
|
1127
|
|
|
} |
|
1128
|
|
|
} |
|
1129
|
|
|
return $this->returnJson(array_merge_recursive($this->context, |
|
|
|
|
|
|
1130
|
|
|
array('@context' => array( '@language' => $request->getLang(), |
|
1131
|
|
|
'prefLabel' => 'skos:prefLabel', |
|
1132
|
|
|
'xsd' => 'http://www.w3.org/2001/XMLSchema#', |
|
1133
|
|
|
'date' => array( '@id' => 'http://purl.org/dc/terms/date', '@type' => 'http://www.w3.org/2001/XMLSchema#dateTime') ) |
|
1134
|
|
|
), |
|
1135
|
|
|
array('changeList' => $simpleChangeList))); |
|
1136
|
|
|
|
|
1137
|
|
|
} |
|
1138
|
|
|
} |
|
1139
|
|
|
|
NatLibFi /
Skosmos
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