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<?php |
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/** |
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* Copyright (c) 2012-2013 Aalto University and University of Helsinki |
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* MIT License |
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* see LICENSE.txt for more information |
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*/ |
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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'; |
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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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* Echos an error message when the request can't be fulfilled. |
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* @param string $code |
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* @param string $status |
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* @param string $message |
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*/ |
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private function returnError($code, $status, $message) |
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{ |
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header("HTTP/1.0 $code $status"); |
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header("Content-type: text/plain; charset=utf-8"); |
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echo "$code $status : $message"; |
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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_STRING)) { |
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header("Content-type: application/javascript; charset=utf-8"); |
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echo filter_input(INPUT_GET, 'callback', FILTER_UNSAFE_RAW) . "(" . 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\FormatNegotiator(); |
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$priorities = array('application/json', 'application/ld+json'); |
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$best = filter_input(INPUT_SERVER, 'HTTP_ACCEPT', FILTER_SANITIZE_STRING) ? $negotiator->getBest(filter_input(INPUT_SERVER, 'HTTP_ACCEPT', FILTER_SANITIZE_STRING), $priorities) : null; |
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$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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), |
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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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/** |
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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) |
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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 = $request->getQueryParam('query'); |
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if (!$term) { |
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return $this->returnError(400, "Bad Request", "query parameter missing"); |
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} |
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if ($maxhits && (!is_numeric($maxhits) || $maxhits <= 0)) { |
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return $this->returnError(400, "Bad Request", "maxhits parameter is invalid"); |
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} |
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if ($offset && (!is_numeric($offset) || $offset < 0)) { |
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return $this->returnError(400, "Bad Request", "offset parameter is invalid"); |
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} |
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$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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$results = $this->model->searchConcepts($parameters); |
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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($res['voc']); |
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} |
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$ret = array( |
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'@context' => array( |
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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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'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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'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('fields')) { |
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$fields = explode(' ', $request->getQueryParam('fields')); |
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foreach ($fields as $prop) { |
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$ret['@context'][$prop] = "skos:{$prop}"; |
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} |
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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 $this->returnJson($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 = $request->getVocab(); |
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/* encode the results in a JSON-LD compatible array */ |
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$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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'title' => 'rdfs:label', |
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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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), |
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'uri' => '', |
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'id' => $vocab->getId(), |
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'title' => $vocab->getConfig()->getTitle($request->getLang()), |
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'defaultLanguage' => $vocab->getConfig()->getDefaultLanguage(), |
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'languages' => $vocab->getConfig()->getLanguages(), |
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'conceptschemes' => $conceptschemes, |
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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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$this->setLanguageProperties($request->getLang()); |
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$arrayClass = $request->getVocab()->getConfig()->getArrayClassURI(); |
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$groupClass = $request->getVocab()->getConfig()->getGroupClassURI(); |
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$vocabStats = $request->getVocab()->getStatistics($request->getQueryParam('lang'), $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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), |
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'uri' => '', |
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'id' => $request->getVocab()->getId(), |
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'title' => $request->getVocab()->getConfig()->getTitle(), |
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'concepts' => array( |
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'class' => 'http://www.w3.org/2004/02/skos/core#Concept', |
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'label' => gettext('skos:Concept'), |
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'count' => $vocabStats['http://www.w3.org/2004/02/skos/core#Concept']['count'], |
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), |
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'subTypes' => $subTypes, |
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); |
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if (isset($vocabStats['http://www.w3.org/2004/02/skos/core#Collection'])) { |
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$ret['conceptGroups'] = array( |
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'class' => 'http://www.w3.org/2004/02/skos/core#Collection', |
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'label' => gettext('skos:Collection'), |
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'count' => $vocabStats['http://www.w3.org/2004/02/skos/core#Collection']['count'], |
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); |
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} else if (isset($vocabStats[$groupClass])) { |
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$ret['conceptGroups'] = array( |
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'class' => $groupClass, |
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'label' => isset($vocabStats[$groupClass]['label']) ? $vocabStats[$groupClass]['label'] : gettext(EasyRdf_Namespace::shorten($groupClass)), |
|
294
|
|
|
'count' => $vocabStats[$groupClass]['count'], |
|
295
|
|
|
); |
|
296
|
|
|
} else if (isset($vocabStats[$arrayClass])) { |
|
297
|
|
|
$ret['arrays'] = array( |
|
298
|
|
|
'class' => $arrayClass, |
|
299
|
|
|
'label' => isset($vocabStats[$arrayClass]['label']) ? $vocabStats[$arrayClass]['label'] : gettext(EasyRdf_Namespace::shorten($arrayClass)), |
|
300
|
|
|
'count' => $vocabStats[$arrayClass]['count'], |
|
301
|
|
|
); |
|
302
|
|
|
} |
|
303
|
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|
|
|
304
|
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|
return $this->returnJson($ret); |
|
305
|
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|
} |
|
306
|
|
|
|
|
307
|
|
|
/** |
|
308
|
|
|
* Loads the vocabulary metadata. And wraps the result in a json-ld object. |
|
309
|
|
|
* @param Request $request |
|
310
|
|
|
*/ |
|
311
|
|
|
public function labelStatistics($request) |
|
312
|
|
|
{ |
|
313
|
|
|
$lang = $request->getLang(); |
|
314
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
315
|
|
|
$vocabStats = $request->getVocab()->getLabelStatistics(); |
|
316
|
|
|
|
|
317
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
318
|
|
|
$counts = array(); |
|
319
|
|
|
foreach ($vocabStats['terms'] as $proplang => $properties) { |
|
320
|
|
|
$langdata = array('language' => $proplang); |
|
321
|
|
|
if ($lang) { |
|
322
|
|
|
$langdata['literal'] = Punic\Language::getName($proplang, $lang); |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
$langdata['properties'] = array(); |
|
326
|
|
|
foreach ($properties as $prop => $value) { |
|
327
|
|
|
$langdata['properties'][] = array('property' => $prop, 'labels' => $value); |
|
328
|
|
|
} |
|
329
|
|
|
$counts[] = $langdata; |
|
330
|
|
|
} |
|
331
|
|
|
|
|
332
|
|
|
$ret = array( |
|
333
|
|
|
'@context' => array( |
|
334
|
|
|
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
|
335
|
|
|
'skos' => 'http://www.w3.org/2004/02/skos/core#', |
|
336
|
|
|
'void' => 'http://rdfs.org/ns/void#', |
|
337
|
|
|
'void-ext' => 'http://ldf.fi/void-ext#', |
|
338
|
|
|
'onki' => 'http://schema.onki.fi/onki#', |
|
339
|
|
|
'uri' => '@id', |
|
340
|
|
|
'id' => 'onki:vocabularyIdentifier', |
|
341
|
|
|
'languages' => 'void-ext:languagePartition', |
|
342
|
|
|
'language' => 'void-ext:language', |
|
343
|
|
|
'properties' => 'void:propertyPartition', |
|
344
|
|
|
'labels' => 'void:triples', |
|
345
|
|
|
), |
|
346
|
|
|
'uri' => '', |
|
347
|
|
|
'id' => $request->getVocab()->getId(), |
|
348
|
|
|
'title' => $request->getVocab()->getConfig()->getTitle($lang), |
|
349
|
|
|
'languages' => $counts, |
|
350
|
|
|
); |
|
351
|
|
|
|
|
352
|
|
|
if ($lang) { |
|
353
|
|
|
$ret['@context']['literal'] = array('@id' => 'rdfs:label', '@language' => $lang); |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
return $this->returnJson($ret); |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
/** |
|
360
|
|
|
* Loads the vocabulary type metadata. And wraps the result in a json-ld object. |
|
361
|
|
|
* @param Request $request |
|
362
|
|
|
*/ |
|
363
|
|
|
public function types($request) |
|
364
|
|
|
{ |
|
365
|
|
|
$vocid = $request->getVocab() ? $request->getVocab()->getId() : null; |
|
366
|
|
|
if ($vocid === null && !$request->getLang()) { |
|
367
|
|
|
return $this->returnError(400, "Bad Request", "lang parameter missing"); |
|
368
|
|
|
} |
|
369
|
|
|
$this->setLanguageProperties($request->getLang()); |
|
370
|
|
|
|
|
371
|
|
|
$queriedtypes = $this->model->getTypes($vocid, $request->getLang()); |
|
372
|
|
|
|
|
373
|
|
|
$types = array(); |
|
374
|
|
|
|
|
375
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
376
|
|
|
foreach ($queriedtypes as $uri => $typedata) { |
|
377
|
|
|
$type = array_merge(array('uri' => $uri), $typedata); |
|
378
|
|
|
$types[] = $type; |
|
379
|
|
|
} |
|
380
|
|
|
|
|
381
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
382
|
|
|
'@context' => array('rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', 'onki' => 'http://schema.onki.fi/onki#', 'label' => 'rdfs:label', 'superclass' => array('@id' => 'rdfs:subClassOf', '@type' => '@id'), 'types' => 'onki:hasType', '@language' => $request->getLang()), |
|
383
|
|
|
'uri' => '', |
|
384
|
|
|
'types' => $types) |
|
385
|
|
|
); |
|
386
|
|
|
|
|
387
|
|
|
return $this->returnJson($ret); |
|
388
|
|
|
} |
|
389
|
|
|
|
|
390
|
|
|
/** |
|
391
|
|
|
* Used for finding terms by their exact prefLabel. Wraps the result in a json-ld object. |
|
392
|
|
|
* @param Request $request |
|
393
|
|
|
*/ |
|
394
|
|
|
public function lookup($request) |
|
395
|
|
|
{ |
|
396
|
|
|
$label = $request->getQueryParam('label'); |
|
397
|
|
|
if (!$label) { |
|
398
|
|
|
return $this->returnError(400, "Bad Request", "label parameter missing"); |
|
399
|
|
|
} |
|
400
|
|
|
|
|
401
|
|
|
$lang = $request->getQueryParam('lang'); |
|
402
|
|
|
|
|
403
|
|
|
$parameters = new ConceptSearchParameters($request, $this->model->getConfig(), true); |
|
404
|
|
|
|
|
405
|
|
|
$results = $this->model->searchConcepts($parameters); |
|
406
|
|
|
|
|
407
|
|
|
$hits = array(); |
|
408
|
|
|
// case 1: exact match on preferred label |
|
409
|
|
|
foreach ($results as $res) { |
|
410
|
|
|
if ($res['prefLabel'] == $label) { |
|
411
|
|
|
$hits[] = $res; |
|
412
|
|
|
} |
|
413
|
|
|
} |
|
414
|
|
|
|
|
415
|
|
|
// case 2: case-insensitive match on preferred label |
|
416
|
|
|
if (sizeof($hits) == 0) { // not yet found |
|
417
|
|
|
foreach ($results as $res) { |
|
418
|
|
|
if (strtolower($res['prefLabel']) == strtolower($label)) { |
|
419
|
|
|
$hits[] = $res; |
|
420
|
|
|
} |
|
421
|
|
|
} |
|
422
|
|
|
|
|
423
|
|
|
} |
|
424
|
|
|
|
|
425
|
|
|
// case 3: exact match on alternate label |
|
426
|
|
View Code Duplication |
if (sizeof($hits) == 0) { // not yet found |
|
|
|
|
|
|
427
|
|
|
foreach ($results as $res) { |
|
428
|
|
|
if (isset($res['altLabel']) && $res['altLabel'] == $label) { |
|
429
|
|
|
$hits[] = $res; |
|
430
|
|
|
} |
|
431
|
|
|
} |
|
432
|
|
|
|
|
433
|
|
|
} |
|
434
|
|
|
|
|
435
|
|
|
// case 4: case-insensitive match on alternate label |
|
436
|
|
View Code Duplication |
if (sizeof($hits) == 0) { // not yet found |
|
|
|
|
|
|
437
|
|
|
foreach ($results as $res) { |
|
438
|
|
|
if (isset($res['altLabel']) && strtolower($res['altLabel']) == strtolower($label)) { |
|
439
|
|
|
$hits[] = $res; |
|
440
|
|
|
} |
|
441
|
|
|
} |
|
442
|
|
|
|
|
443
|
|
|
} |
|
444
|
|
|
|
|
445
|
|
|
if (sizeof($hits) == 0) { |
|
446
|
|
|
// no matches found |
|
447
|
|
|
return $this->returnError(404, 'Not Found', "Could not find label '$label'"); |
|
448
|
|
|
} |
|
449
|
|
|
|
|
450
|
|
|
// did find some matches! |
|
451
|
|
|
// get rid of Vocabulary objects |
|
452
|
|
|
foreach ($hits as &$res) { |
|
453
|
|
|
unset($res['voc']); |
|
454
|
|
|
} |
|
455
|
|
|
|
|
456
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
457
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'results' => array('@id' => 'onki:results'), 'prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel'), |
|
458
|
|
|
'result' => $hits) |
|
459
|
|
|
); |
|
460
|
|
|
|
|
461
|
|
|
if ($lang) { |
|
462
|
|
|
$ret['@context']['@language'] = $lang; |
|
463
|
|
|
} |
|
464
|
|
|
|
|
465
|
|
|
return $this->returnJson($ret); |
|
466
|
|
|
} |
|
467
|
|
|
|
|
468
|
|
|
/** |
|
469
|
|
|
* Queries the top concepts of a vocabulary and wraps the results in a json-ld object. |
|
470
|
|
|
* @param Request $request |
|
471
|
|
|
* @return object json-ld object |
|
472
|
|
|
*/ |
|
473
|
|
|
public function topConcepts($request) |
|
474
|
|
|
{ |
|
475
|
|
|
$vocab = $request->getVocab(); |
|
476
|
|
|
$scheme = $request->getQueryParam('scheme'); |
|
477
|
|
|
if (!$scheme) { |
|
478
|
|
|
$scheme = $vocab->getConfig()->showConceptSchemesInHierarchy() ? array_keys($vocab->getConceptSchemes()) : $vocab->getDefaultConceptScheme(); |
|
479
|
|
|
} |
|
480
|
|
|
|
|
481
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
482
|
|
|
$topconcepts = $vocab->getTopConcepts($scheme, $request->getLang()); |
|
483
|
|
|
|
|
484
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
485
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'topconcepts' => 'skos:hasTopConcept', 'notation' => 'skos:notation', 'label' => 'skos:prefLabel', '@language' => $request->getLang()), |
|
486
|
|
|
'uri' => $scheme, |
|
487
|
|
|
'topconcepts' => $topconcepts) |
|
488
|
|
|
); |
|
489
|
|
|
|
|
490
|
|
|
return $this->returnJson($ret); |
|
491
|
|
|
} |
|
492
|
|
|
|
|
493
|
|
|
/** |
|
494
|
|
|
* Download a concept as json-ld or redirect to download the whole vocabulary. |
|
495
|
|
|
* @param Request $request |
|
496
|
|
|
* @return object json-ld formatted concept. |
|
497
|
|
|
*/ |
|
498
|
|
|
public function data($request) |
|
499
|
|
|
{ |
|
500
|
|
|
$vocab = $request->getVocab(); |
|
501
|
|
|
$format = $request->getQueryParam('format'); |
|
502
|
|
|
|
|
503
|
|
|
if ($request->getUri()) { |
|
504
|
|
|
$uri = $request->getUri(); |
|
505
|
|
|
} else if ($vocab !== null) { // whole vocabulary - redirect to download URL |
|
506
|
|
|
$urls = $vocab->getConfig()->getDataURLs(); |
|
507
|
|
|
if (sizeof($urls) == 0) { |
|
508
|
|
|
return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocab"); |
|
509
|
|
|
} |
|
510
|
|
|
|
|
511
|
|
|
$format = $this->negotiateFormat(array_keys($urls), $request->getServerConstant('HTTP_ACCEPT'), $format); |
|
512
|
|
|
if (!$format) { |
|
513
|
|
|
return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . implode(' ', array_keys($urls))); |
|
514
|
|
|
} |
|
515
|
|
|
|
|
516
|
|
|
header("Location: " . $urls[$format]); |
|
517
|
|
|
return; |
|
518
|
|
|
} |
|
519
|
|
|
|
|
520
|
|
|
$format = $this->negotiateFormat(explode(' ', self::SUPPORTED_FORMATS), $request->getServerConstant('HTTP_ACCEPT'), $format); |
|
521
|
|
|
if (!$format) { |
|
522
|
|
|
return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . self::SUPPORTED_FORMATS); |
|
523
|
|
|
} |
|
524
|
|
|
if (!isset($uri) && !isset($urls)) { |
|
|
|
|
|
|
525
|
|
|
return $this->returnError(400, 'Bad Request', "uri parameter missing"); |
|
526
|
|
|
} |
|
527
|
|
|
|
|
528
|
|
|
$vocid = $vocab ? $vocab->getId() : null; |
|
529
|
|
|
$results = $this->model->getRDF($vocid, $uri, $format); |
|
530
|
|
|
|
|
531
|
|
|
if ($format == 'application/ld+json' || $format == 'application/json') { |
|
532
|
|
|
// further compact JSON-LD document using a context |
|
533
|
|
|
$context = array( |
|
534
|
|
|
'skos' => 'http://www.w3.org/2004/02/skos/core#', |
|
535
|
|
|
'isothes' => 'http://purl.org/iso25964/skos-thes#', |
|
536
|
|
|
'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
|
537
|
|
|
'owl' => 'http://www.w3.org/2002/07/owl#', |
|
538
|
|
|
'dct' => 'http://purl.org/dc/terms/', |
|
539
|
|
|
'dc11' => 'http://purl.org/dc/elements/1.1/', |
|
540
|
|
|
'uri' => '@id', |
|
541
|
|
|
'type' => '@type', |
|
542
|
|
|
'lang' => '@language', |
|
543
|
|
|
'value' => '@value', |
|
544
|
|
|
'graph' => '@graph', |
|
545
|
|
|
'label' => 'rdfs:label', |
|
546
|
|
|
'prefLabel' => 'skos:prefLabel', |
|
547
|
|
|
'altLabel' => 'skos:altLabel', |
|
548
|
|
|
'hiddenLabel' => 'skos:hiddenLabel', |
|
549
|
|
|
'broader' => 'skos:broader', |
|
550
|
|
|
'narrower' => 'skos:narrower', |
|
551
|
|
|
'related' => 'skos:related', |
|
552
|
|
|
'inScheme' => 'skos:inScheme', |
|
553
|
|
|
); |
|
554
|
|
|
$compactJsonLD = \ML\JsonLD\JsonLD::compact($results, json_encode($context)); |
|
555
|
|
|
$results = \ML\JsonLD\JsonLD::toString($compactJsonLD); |
|
556
|
|
|
} |
|
557
|
|
|
|
|
558
|
|
|
header("Content-type: $format; charset=utf-8"); |
|
559
|
|
|
echo $results; |
|
560
|
|
|
} |
|
561
|
|
|
|
|
562
|
|
|
/** |
|
563
|
|
|
* Used for querying labels for a uri. |
|
564
|
|
|
* @param Request $request |
|
565
|
|
|
* @return object json-ld wrapped labels. |
|
566
|
|
|
*/ |
|
567
|
|
|
public function label($request) |
|
568
|
|
|
{ |
|
569
|
|
|
if (!$request->getUri()) { |
|
570
|
|
|
return $this->returnError(400, "Bad Request", "uri parameter missing"); |
|
571
|
|
|
} |
|
572
|
|
|
|
|
573
|
|
|
$results = $request->getVocab()->getConceptLabel($request->getUri(), $request->getLang()); |
|
574
|
|
|
if ($results === null) { |
|
575
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
576
|
|
|
} |
|
577
|
|
|
|
|
578
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
579
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', '@language' => $request->getLang()), |
|
580
|
|
|
'uri' => $request->getUri()) |
|
581
|
|
|
); |
|
582
|
|
|
|
|
583
|
|
|
if (isset($results[$request->getLang()])) { |
|
584
|
|
|
$ret['prefLabel'] = $results[$request->getLang()]->getValue(); |
|
585
|
|
|
} |
|
586
|
|
|
|
|
587
|
|
|
return $this->returnJson($ret); |
|
588
|
|
|
} |
|
589
|
|
|
|
|
590
|
|
|
/** |
|
591
|
|
|
* Used for querying broader relations for a concept. |
|
592
|
|
|
* @param Request $request |
|
593
|
|
|
* @return object json-ld wrapped broader concept uris and labels. |
|
594
|
|
|
*/ |
|
595
|
|
View Code Duplication |
public function broader($request) |
|
|
|
|
|
|
596
|
|
|
{ |
|
597
|
|
|
$results = array(); |
|
598
|
|
|
$broaders = $request->getVocab()->getConceptBroaders($request->getUri(), $request->getLang()); |
|
599
|
|
|
if ($broaders === null) { |
|
600
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
601
|
|
|
} |
|
602
|
|
|
|
|
603
|
|
|
foreach ($broaders as $object => $vals) { |
|
604
|
|
|
$results[] = array('uri' => $object, 'prefLabel' => $vals['label']); |
|
605
|
|
|
} |
|
606
|
|
|
|
|
607
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
608
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'broader' => 'skos:broader', '@language' => $request->getLang()), |
|
609
|
|
|
'uri' => $request->getUri(), |
|
610
|
|
|
'broader' => $results) |
|
611
|
|
|
); |
|
612
|
|
|
|
|
613
|
|
|
return $this->returnJson($ret); |
|
614
|
|
|
} |
|
615
|
|
|
|
|
616
|
|
|
/** |
|
617
|
|
|
* Used for querying broader transitive relations for a concept. |
|
618
|
|
|
* @param Request $request |
|
619
|
|
|
* @return object json-ld wrapped broader transitive concept uris and labels. |
|
620
|
|
|
*/ |
|
621
|
|
View Code Duplication |
public function broaderTransitive($request) |
|
|
|
|
|
|
622
|
|
|
{ |
|
623
|
|
|
$results = array(); |
|
624
|
|
|
$broaders = $request->getVocab()->getConceptTransitiveBroaders($request->getUri(), $this->parseLimit(), false, $request->getLang()); |
|
625
|
|
|
if (empty($broaders)) { |
|
626
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
foreach ($broaders as $buri => $vals) { |
|
630
|
|
|
$result = array('uri' => $buri, 'prefLabel' => $vals['label']); |
|
631
|
|
|
if (isset($vals['direct'])) { |
|
632
|
|
|
$result['broader'] = $vals['direct']; |
|
633
|
|
|
} |
|
634
|
|
|
$results[$buri] = $result; |
|
635
|
|
|
} |
|
636
|
|
|
|
|
637
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
638
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'broader' => array('@id' => 'skos:broader', '@type' => '@id'), 'broaderTransitive' => array('@id' => 'skos:broaderTransitive', '@container' => '@index'), '@language' => $request->getLang()), |
|
639
|
|
|
'uri' => $request->getUri(), |
|
640
|
|
|
'broaderTransitive' => $results) |
|
641
|
|
|
); |
|
642
|
|
|
|
|
643
|
|
|
return $this->returnJson($ret); |
|
644
|
|
|
} |
|
645
|
|
|
|
|
646
|
|
|
/** |
|
647
|
|
|
* Used for querying narrower relations for a concept. |
|
648
|
|
|
* @param Request $request |
|
649
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
650
|
|
|
*/ |
|
651
|
|
View Code Duplication |
public function narrower($request) |
|
|
|
|
|
|
652
|
|
|
{ |
|
653
|
|
|
$results = array(); |
|
654
|
|
|
$narrowers = $request->getVocab()->getConceptNarrowers($request->getUri(), $request->getLang()); |
|
655
|
|
|
if ($narrowers === null) { |
|
656
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
657
|
|
|
} |
|
658
|
|
|
|
|
659
|
|
|
foreach ($narrowers as $object => $vals) { |
|
660
|
|
|
$results[] = array('uri' => $object, 'prefLabel' => $vals['label']); |
|
661
|
|
|
} |
|
662
|
|
|
|
|
663
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
664
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'narrower' => 'skos:narrower', '@language' => $request->getLang()), |
|
665
|
|
|
'uri' => $request->getUri(), |
|
666
|
|
|
'narrower' => $results) |
|
667
|
|
|
); |
|
668
|
|
|
|
|
669
|
|
|
return $this->returnJson($ret); |
|
670
|
|
|
} |
|
671
|
|
|
|
|
672
|
|
|
/** |
|
673
|
|
|
* Used for querying narrower transitive relations for a concept. |
|
674
|
|
|
* @param Request $request |
|
675
|
|
|
* @return object json-ld wrapped narrower transitive concept uris and labels. |
|
676
|
|
|
*/ |
|
677
|
|
View Code Duplication |
public function narrowerTransitive($request) |
|
|
|
|
|
|
678
|
|
|
{ |
|
679
|
|
|
$results = array(); |
|
680
|
|
|
$narrowers = $request->getVocab()->getConceptTransitiveNarrowers($request->getUri(), $this->parseLimit(), $request->getLang()); |
|
681
|
|
|
if (empty($narrowers)) { |
|
682
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
683
|
|
|
} |
|
684
|
|
|
|
|
685
|
|
|
foreach ($narrowers as $nuri => $vals) { |
|
686
|
|
|
$result = array('uri' => $nuri, 'prefLabel' => $vals['label']); |
|
687
|
|
|
if (isset($vals['direct'])) { |
|
688
|
|
|
$result['narrower'] = $vals['direct']; |
|
689
|
|
|
} |
|
690
|
|
|
$results[$nuri] = $result; |
|
691
|
|
|
} |
|
692
|
|
|
|
|
693
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
694
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'narrower' => array('@id' => 'skos:narrower', '@type' => '@id'), 'narrowerTransitive' => array('@id' => 'skos:narrowerTransitive', '@container' => '@index'), '@language' => $request->getLang()), |
|
695
|
|
|
'uri' => $request->getUri(), |
|
696
|
|
|
'narrowerTransitive' => $results) |
|
697
|
|
|
); |
|
698
|
|
|
|
|
699
|
|
|
return $this->returnJson($ret); |
|
700
|
|
|
} |
|
701
|
|
|
|
|
702
|
|
|
/** |
|
703
|
|
|
* Used for querying broader transitive relations |
|
704
|
|
|
* and some narrowers for a concept in the hierarchy view. |
|
705
|
|
|
* @param Request $request |
|
706
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
707
|
|
|
*/ |
|
708
|
|
|
public function hierarchy($request) |
|
709
|
|
|
{ |
|
710
|
|
|
$results = $request->getVocab()->getConceptHierarchy($request->getUri(), $request->getLang()); |
|
711
|
|
|
if (empty($results)) { |
|
712
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
713
|
|
|
} |
|
714
|
|
|
|
|
715
|
|
|
if ($request->getVocab()->getConfig()->getShowHierarchy()) { |
|
716
|
|
|
$schemes = $request->getVocab()->getConceptSchemes($request->getLang()); |
|
717
|
|
|
foreach ($schemes as $scheme) { |
|
718
|
|
|
if (!isset($scheme['title']) && !isset($scheme['label']) && !isset($scheme['prefLabel'])) { |
|
719
|
|
|
unset($schemes[array_search($scheme, $schemes)]); |
|
720
|
|
|
} |
|
721
|
|
|
|
|
722
|
|
|
} |
|
723
|
|
|
|
|
724
|
|
|
/* encode the results in a JSON-LD compatible array */ |
|
725
|
|
|
$topconcepts = $request->getVocab()->getTopConcepts(array_keys($schemes), $request->getLang()); |
|
726
|
|
|
foreach ($topconcepts as $top) { |
|
727
|
|
|
if (!isset($results[$top['uri']])) { |
|
728
|
|
|
$results[$top['uri']] = array('uri' => $top['uri'], 'top' => $top['topConceptOf'], 'prefLabel' => $top['label'], 'hasChildren' => $top['hasChildren']); |
|
729
|
|
|
if (isset($top['notation'])) { |
|
730
|
|
|
$results[$top['uri']]['notation'] = $top['notation']; |
|
731
|
|
|
} |
|
732
|
|
|
|
|
733
|
|
|
} |
|
734
|
|
|
} |
|
735
|
|
|
} |
|
736
|
|
|
|
|
737
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
738
|
|
|
'@context' => array('onki' => 'http://schema.onki.fi/onki#', 'prefLabel' => 'skos:prefLabel', 'notation' => 'skos:notation', 'narrower' => array('@id' => 'skos:narrower', '@type' => '@id'), 'broader' => array('@id' => 'skos:broader', '@type' => '@id'), 'broaderTransitive' => array('@id' => 'skos:broaderTransitive', '@container' => '@index'), 'top' => array('@id' => 'skos:topConceptOf', '@type' => '@id'), 'hasChildren' => 'onki:hasChildren', '@language' => $request->getLang()), |
|
739
|
|
|
'uri' => $request->getUri(), |
|
740
|
|
|
'broaderTransitive' => $results) |
|
741
|
|
|
); |
|
742
|
|
|
|
|
743
|
|
|
return $this->returnJson($ret); |
|
744
|
|
|
} |
|
745
|
|
|
|
|
746
|
|
|
/** |
|
747
|
|
|
* Used for querying group hierarchy for the sidebar group view. |
|
748
|
|
|
* @param Request $request |
|
749
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
750
|
|
|
*/ |
|
751
|
|
|
public function groups($request) |
|
752
|
|
|
{ |
|
753
|
|
|
$results = $request->getVocab()->listConceptGroups($request->getLang()); |
|
754
|
|
|
|
|
755
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
756
|
|
|
'@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()), |
|
757
|
|
|
'uri' => '', |
|
758
|
|
|
'groups' => $results) |
|
759
|
|
|
); |
|
760
|
|
|
|
|
761
|
|
|
return $this->returnJson($ret); |
|
762
|
|
|
} |
|
763
|
|
|
|
|
764
|
|
|
/** |
|
765
|
|
|
* Used for querying member relations for a group. |
|
766
|
|
|
* @param Request $request |
|
767
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
768
|
|
|
*/ |
|
769
|
|
|
public function groupMembers($request) |
|
770
|
|
|
{ |
|
771
|
|
|
$children = $request->getVocab()->listConceptGroupContents($request->getUri(), $request->getLang()); |
|
772
|
|
|
if (empty($children)) { |
|
773
|
|
|
return $this->returnError('404', 'Not Found', "Could not find group <{$request->getUri()}>"); |
|
774
|
|
|
} |
|
775
|
|
|
|
|
776
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
777
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'members' => 'skos:member', '@language' => $request->getLang()), |
|
778
|
|
|
'uri' => $request->getUri(), |
|
779
|
|
|
'members' => $children) |
|
780
|
|
|
); |
|
781
|
|
|
|
|
782
|
|
|
return $this->returnJson($ret); |
|
783
|
|
|
} |
|
784
|
|
|
|
|
785
|
|
|
/** |
|
786
|
|
|
* Used for querying narrower relations for a concept in the hierarchy view. |
|
787
|
|
|
* @param Request $request |
|
788
|
|
|
* @return object json-ld wrapped narrower concept uris and labels. |
|
789
|
|
|
*/ |
|
790
|
|
|
public function children($request) |
|
791
|
|
|
{ |
|
792
|
|
|
$children = $request->getVocab()->getConceptChildren($request->getUri(), $request->getLang()); |
|
793
|
|
|
if ($children === null) { |
|
794
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
795
|
|
|
} |
|
796
|
|
|
|
|
797
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
798
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'narrower' => 'skos:narrower', 'notation' => 'skos:notation', 'hasChildren' => 'onki:hasChildren', '@language' => $request->getLang()), |
|
799
|
|
|
'uri' => $request->getUri(), |
|
800
|
|
|
'narrower' => $children) |
|
801
|
|
|
); |
|
802
|
|
|
|
|
803
|
|
|
return $this->returnJson($ret); |
|
804
|
|
|
} |
|
805
|
|
|
|
|
806
|
|
|
/** |
|
807
|
|
|
* Used for querying narrower relations for a concept in the hierarchy view. |
|
808
|
|
|
* @param Request $request |
|
809
|
|
|
* @return object json-ld wrapped hierarchical concept uris and labels. |
|
810
|
|
|
*/ |
|
811
|
|
|
public function related($request) |
|
812
|
|
|
{ |
|
813
|
|
|
$results = array(); |
|
814
|
|
|
$related = $request->getVocab()->getConceptRelateds($request->getUri(), $request->getLang()); |
|
815
|
|
|
if ($related === null) { |
|
816
|
|
|
return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
|
817
|
|
|
} |
|
818
|
|
|
|
|
819
|
|
|
foreach ($related as $uri => $vals) { |
|
820
|
|
|
$results[] = array('uri' => $uri, 'prefLabel' => $vals['label']); |
|
821
|
|
|
} |
|
822
|
|
|
|
|
823
|
|
|
$ret = array_merge_recursive($this->context, array( |
|
824
|
|
|
'@context' => array('prefLabel' => 'skos:prefLabel', 'related' => 'skos:related', '@language' => $request->getLang()), |
|
825
|
|
|
'uri' => $request->getUri(), |
|
826
|
|
|
'related' => $results) |
|
827
|
|
|
); |
|
828
|
|
|
|
|
829
|
|
|
return $this->returnJson($ret); |
|
830
|
|
|
} |
|
831
|
|
|
} |
|
832
|
|
|
|
NatLibFi /
Skosmos
Loading history...
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.