NatLibFi /
Skosmos
| Total Complexity | 198 |
| Total Lines | 1168 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like RestController often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use RestController, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 6 | class RestController extends Controller |
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| 7 | { |
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| 8 | /* supported MIME types that can be used to return RDF data */ |
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| 9 | public const SUPPORTED_FORMATS = 'application/rdf+xml text/turtle application/ld+json application/json application/marcxml+xml'; |
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| 10 | /* context array template */ |
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| 11 | private $context = array( |
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| 12 | '@context' => array( |
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| 13 | 'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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| 14 | 'uri' => '@id', |
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| 15 | 'type' => '@type', |
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| 16 | ), |
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| 17 | ); |
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| 18 | |||
| 19 | /** |
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| 20 | * Handles json encoding, adding the content type headers and optional callback function. |
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| 21 | * @param array $data the data to be returned. |
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| 22 | */ |
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| 23 | private function returnJson($data) |
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| 24 | { |
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| 25 | // wrap with JSONP callback if requested |
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| 26 | if (filter_input(INPUT_GET, 'callback', FILTER_SANITIZE_FULL_SPECIAL_CHARS)) { |
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Bug
introduced
by
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| 27 | header("Content-type: application/javascript; charset=utf-8"); |
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| 28 | echo filter_input(INPUT_GET, 'callback', FILTER_SANITIZE_FULL_SPECIAL_CHARS, FILTER_FLAG_NO_ENCODE_QUOTES) . "(" . json_encode($data) . ");"; |
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| 29 | return; |
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| 30 | } |
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| 31 | |||
| 32 | // otherwise negotiate suitable format for the response and return that |
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| 33 | $negotiator = new \Negotiation\Negotiator(); |
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| 34 | $priorities = array('application/json', 'application/ld+json'); |
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| 35 | $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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| 36 | $format = ($best !== null) ? $best->getValue() : $priorities[0]; |
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| 37 | header("Content-type: $format; charset=utf-8"); |
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| 38 | header("Vary: Accept"); // inform caches that we made a choice based on Accept header |
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| 39 | echo json_encode($data); |
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| 40 | } |
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| 41 | |||
| 42 | /** |
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| 43 | * Parses and returns the limit parameter. Returns and error if the parameter is missing. |
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| 44 | */ |
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| 45 | private function parseLimit() |
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| 46 | { |
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| 47 | $limit = filter_input(INPUT_GET, 'limit', FILTER_SANITIZE_NUMBER_INT) ? filter_input(INPUT_GET, 'limit', FILTER_SANITIZE_NUMBER_INT) : $this->model->getConfig()->getDefaultTransitiveLimit(); |
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| 48 | if ($limit <= 0) { |
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| 49 | return $this->returnError(400, "Bad Request", "Invalid limit parameter"); |
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| 50 | } |
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| 51 | |||
| 52 | return $limit; |
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| 53 | } |
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| 54 | |||
| 55 | |||
| 56 | /** Global REST methods **/ |
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| 57 | |||
| 58 | /** |
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| 59 | * Returns all the vocabularies available on the server in a json object. |
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| 60 | */ |
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| 61 | public function vocabularies($request) |
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| 62 | { |
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| 63 | if (!$request->getLang()) { |
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| 64 | return $this->returnError(400, "Bad Request", "lang parameter missing"); |
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| 65 | } |
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| 66 | |||
| 67 | $this->model->setLocale($request->getLang()); |
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| 68 | |||
| 69 | $vocabs = array(); |
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| 70 | foreach ($this->model->getVocabularies() as $voc) { |
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| 71 | $vocabs[$voc->getId()] = $voc->getConfig()->getTitle($request->getLang()); |
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| 72 | } |
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| 73 | ksort($vocabs); |
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| 74 | $results = array(); |
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| 75 | foreach ($vocabs as $id => $title) { |
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| 76 | $results[] = array( |
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| 77 | 'uri' => $id, |
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| 78 | 'id' => $id, |
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| 79 | 'title' => $title); |
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| 80 | } |
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| 81 | |||
| 82 | /* encode the results in a JSON-LD compatible array */ |
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| 83 | $ret = array( |
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| 84 | '@context' => array( |
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| 85 | 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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| 86 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 87 | 'title' => array('@id' => 'rdfs:label', '@language' => $request->getLang()), |
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| 88 | 'vocabularies' => 'onki:hasVocabulary', |
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| 89 | 'id' => 'onki:vocabularyIdentifier', |
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| 90 | 'uri' => '@id', |
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| 91 | '@base' => $this->getBaseHref() . "rest/v1/vocabularies", |
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| 92 | ), |
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| 93 | 'uri' => '', |
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| 94 | 'vocabularies' => $results, |
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| 95 | ); |
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| 96 | |||
| 97 | return $this->returnJson($ret); |
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| 98 | } |
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| 99 | |||
| 100 | private function constructSearchParameters($request) |
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| 101 | { |
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| 102 | $parameters = new ConceptSearchParameters($request, $this->model->getConfig(), true); |
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| 103 | |||
| 104 | $vocabs = $request->getQueryParam('vocab'); # optional |
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| 105 | // convert to vocids array to support multi-vocabulary search |
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| 106 | $vocids = ($vocabs !== null && $vocabs !== '') ? explode(' ', $vocabs) : array(); |
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| 107 | $vocabObjects = array(); |
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| 108 | foreach ($vocids as $vocid) { |
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| 109 | $vocabObjects[] = $this->model->getVocabulary($vocid); |
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| 110 | } |
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| 111 | $parameters->setVocabularies($vocabObjects); |
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| 112 | return $parameters; |
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| 113 | } |
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| 114 | |||
| 115 | private function transformSearchResults($request, $results, $parameters) |
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| 116 | { |
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| 117 | // before serializing to JSON, get rid of the Vocabulary object that came with each resource |
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| 118 | foreach ($results as &$res) { |
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| 119 | unset($res['voc']); |
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| 120 | } |
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| 121 | |||
| 122 | $context = array( |
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| 123 | 'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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| 124 | 'isothes' => 'http://purl.org/iso25964/skos-thes#', |
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| 125 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 126 | 'uri' => '@id', |
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| 127 | 'type' => '@type', |
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| 128 | 'results' => array( |
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| 129 | '@id' => 'onki:results', |
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| 130 | '@container' => '@list', |
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| 131 | ), |
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| 132 | 'prefLabel' => 'skos:prefLabel', |
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| 133 | 'altLabel' => 'skos:altLabel', |
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| 134 | 'hiddenLabel' => 'skos:hiddenLabel', |
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| 135 | ); |
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| 136 | foreach ($parameters->getAdditionalFields() as $field) { |
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| 137 | |||
| 138 | // Quick-and-dirty compactification |
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| 139 | $context[$field] = 'skos:' . $field; |
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| 140 | foreach ($results as &$result) { |
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| 141 | foreach ($result as $k => $v) { |
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| 142 | if ($k == 'skos:' . $field) { |
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| 143 | $result[$field] = $v; |
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| 144 | unset($result['skos:' . $field]); |
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| 145 | } |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | |||
| 150 | $ret = array( |
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| 151 | '@context' => $context, |
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| 152 | 'uri' => '', |
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| 153 | 'results' => $results, |
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| 154 | ); |
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| 155 | |||
| 156 | if (isset($results[0]['prefLabels'])) { |
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| 157 | $ret['@context']['prefLabels'] = array('@id' => 'skos:prefLabel', '@container' => '@language'); |
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| 158 | } |
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| 159 | |||
| 160 | if ($request->getQueryParam('labellang')) { |
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| 161 | $ret['@context']['@language'] = $request->getQueryParam('labellang'); |
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| 162 | } elseif ($request->getQueryParam('lang')) { |
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| 163 | $ret['@context']['@language'] = $request->getQueryParam('lang'); |
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| 164 | } |
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| 165 | return $ret; |
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| 166 | } |
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| 167 | |||
| 168 | /** |
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| 169 | * Performs the search function calls. And wraps the result in a json-ld object. |
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| 170 | * @param Request $request |
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| 171 | */ |
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| 172 | public function search(Request $request): void |
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| 196 | } |
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| 197 | |||
| 198 | /** Vocabulary-specific methods **/ |
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| 199 | |||
| 200 | /** |
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| 201 | * Loads the vocabulary metadata. And wraps the result in a json-ld object. |
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| 202 | * @param Request $request |
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| 203 | */ |
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| 204 | public function vocabularyInformation($request) |
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| 205 | { |
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| 206 | $vocab = $request->getVocab(); |
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| 207 | if ($this->notModified($vocab)) { |
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| 208 | return null; |
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| 209 | } |
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| 210 | |||
| 211 | /* encode the results in a JSON-LD compatible array */ |
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| 212 | $conceptschemes = array(); |
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| 213 | foreach ($vocab->getConceptSchemes($request->getLang()) as $uri => $csdata) { |
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| 214 | $csdata['uri'] = $uri; |
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| 215 | $csdata['type'] = 'skos:ConceptScheme'; |
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| 216 | $conceptschemes[] = $csdata; |
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| 217 | } |
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| 218 | |||
| 219 | $ret = array( |
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| 220 | '@context' => array( |
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| 221 | 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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| 222 | 'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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| 223 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 224 | 'dct' => 'http://purl.org/dc/terms/', |
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| 225 | 'uri' => '@id', |
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| 226 | 'type' => '@type', |
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| 227 | 'conceptschemes' => 'onki:hasConceptScheme', |
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| 228 | 'id' => 'onki:vocabularyIdentifier', |
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| 229 | 'defaultLanguage' => 'onki:defaultLanguage', |
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| 230 | 'languages' => 'onki:language', |
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| 231 | 'label' => 'rdfs:label', |
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| 232 | 'prefLabel' => 'skos:prefLabel', |
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| 233 | 'title' => 'dct:title', |
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| 234 | '@language' => $request->getLang(), |
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| 235 | '@base' => $this->getBaseHref() . "rest/v1/" . $vocab->getId() . "/", |
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| 236 | ), |
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| 237 | 'uri' => '', |
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| 238 | 'id' => $vocab->getId(), |
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| 239 | 'marcSource' => $vocab->getConfig()->getMarcSourceCode($request->getLang()), |
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| 240 | 'title' => $vocab->getConfig()->getTitle($request->getLang()), |
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| 241 | 'defaultLanguage' => $vocab->getConfig()->getDefaultLanguage(), |
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| 242 | 'languages' => array_values($vocab->getConfig()->getLanguages()), |
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| 243 | 'conceptschemes' => $conceptschemes, |
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| 244 | ); |
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| 245 | |||
| 246 | if ($vocab->getConfig()->getTypes($request->getLang())) { |
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| 247 | $ret['type'] = $vocab->getConfig()->getTypes($request->getLang()); |
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| 248 | } |
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| 249 | |||
| 250 | return $this->returnJson($ret); |
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| 251 | } |
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| 252 | |||
| 253 | /** |
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| 254 | * Loads the vocabulary metadata. And wraps the result in a json-ld object. |
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| 255 | * @param Request $request |
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| 256 | */ |
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| 257 | public function vocabularyStatistics($request) |
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| 258 | { |
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| 259 | if ($this->notModified($request->getVocab())) { |
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| 260 | return null; |
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| 261 | } |
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| 262 | $this->model->setLocale($request->getLang()); |
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| 263 | $arrayClass = $request->getVocab()->getConfig()->getArrayClassURI(); |
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| 264 | $groupClass = $request->getVocab()->getConfig()->getGroupClassURI(); |
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| 265 | $queryLang = $request->getQueryParam('lang') ?? $request->getLang(); |
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| 266 | $vocabStats = $request->getVocab()->getStatistics($queryLang, $arrayClass, $groupClass); |
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| 267 | $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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| 268 | $subTypes = array(); |
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| 269 | foreach ($vocabStats as $subtype) { |
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| 270 | if (!in_array($subtype['type'], $types)) { |
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| 271 | $subTypes[] = $subtype; |
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| 272 | } |
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| 273 | } |
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| 274 | |||
| 275 | /* encode the results in a JSON-LD compatible array */ |
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| 276 | $ret = array( |
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| 277 | '@context' => array( |
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| 278 | 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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| 279 | 'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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| 280 | 'void' => 'http://rdfs.org/ns/void#', |
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| 281 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 282 | 'uri' => '@id', |
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| 283 | 'id' => 'onki:vocabularyIdentifier', |
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| 284 | 'concepts' => 'void:classPartition', |
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| 285 | 'label' => 'rdfs:label', |
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| 286 | 'class' => array('@id' => 'void:class', '@type' => '@id'), |
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| 287 | 'subTypes' => array('@id' => 'void:class', '@type' => '@id'), |
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| 288 | 'count' => 'void:entities', |
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| 289 | '@language' => $request->getLang(), |
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| 290 | '@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/", |
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| 291 | ), |
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| 292 | 'uri' => '', |
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| 293 | 'id' => $request->getVocab()->getId(), |
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| 294 | 'title' => $request->getVocab()->getConfig()->getTitle(), |
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| 295 | 'concepts' => array( |
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| 296 | 'class' => 'http://www.w3.org/2004/02/skos/core#Concept', |
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| 297 | 'label' => $this->model->getText('skos:Concept'), |
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| 298 | 'count' => isset($vocabStats['http://www.w3.org/2004/02/skos/core#Concept']) ? $vocabStats['http://www.w3.org/2004/02/skos/core#Concept']['count'] : 0, |
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| 299 | 'deprecatedCount' => isset($vocabStats['http://www.w3.org/2004/02/skos/core#Concept']) ? $vocabStats['http://www.w3.org/2004/02/skos/core#Concept']['deprecatedCount'] : 0, |
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| 300 | ), |
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| 301 | 'subTypes' => $subTypes, |
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| 302 | ); |
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| 303 | |||
| 304 | if (isset($vocabStats['http://www.w3.org/2004/02/skos/core#Collection'])) { |
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| 305 | $ret['conceptGroups'] = array( |
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| 306 | 'class' => 'http://www.w3.org/2004/02/skos/core#Collection', |
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| 307 | 'label' => $this->model->getText('skos:Collection'), |
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| 308 | 'count' => $vocabStats['http://www.w3.org/2004/02/skos/core#Collection']['count'], |
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| 309 | 'deprecatedCount' => $vocabStats['http://www.w3.org/2004/02/skos/core#Collection']['deprecatedCount'], |
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| 310 | ); |
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| 311 | |||
| 312 | } elseif (isset($vocabStats[$groupClass])) { |
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| 313 | $ret['conceptGroups'] = array( |
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| 314 | 'class' => $groupClass, |
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| 315 | 'label' => isset($vocabStats[$groupClass]['label']) ? $vocabStats[$groupClass]['label'] : $this->model->getText(EasyRdf\RdfNamespace::shorten($groupClass)), |
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| 316 | 'count' => $vocabStats[$groupClass]['count'], |
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| 317 | 'deprecatedCount' => $vocabStats[$groupClass]['deprecatedCount'], |
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| 318 | ); |
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| 319 | } elseif (isset($vocabStats[$arrayClass])) { |
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| 320 | $ret['arrays'] = array( |
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| 321 | 'class' => $arrayClass, |
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| 322 | 'label' => isset($vocabStats[$arrayClass]['label']) ? $vocabStats[$arrayClass]['label'] : $this->model->getText(EasyRdf\RdfNamespace::shorten($arrayClass)), |
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| 323 | 'count' => $vocabStats[$arrayClass]['count'], |
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| 324 | 'deprecatedCount' => $vocabStats[$arrayClass]['deprecatedCount'], |
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| 325 | ); |
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| 326 | } |
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| 327 | |||
| 328 | return $this->returnJson($ret); |
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| 329 | } |
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| 330 | |||
| 331 | /** |
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| 332 | * Loads the vocabulary metadata. And wraps the result in a json-ld object. |
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| 333 | * @param Request $request |
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| 334 | */ |
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| 335 | public function labelStatistics($request) |
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| 336 | { |
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| 337 | if ($this->notModified($request->getVocab())) { |
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| 338 | return null; |
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| 339 | } |
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| 340 | $lang = $request->getLang(); |
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| 341 | $this->model->setLocale($request->getLang()); |
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| 342 | $vocabStats = $request->getVocab()->getLabelStatistics(); |
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| 343 | |||
| 344 | /* encode the results in a JSON-LD compatible array */ |
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| 345 | $counts = array(); |
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| 346 | foreach ($vocabStats['terms'] as $proplang => $properties) { |
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| 347 | $langdata = array('language' => $proplang); |
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| 348 | if ($lang) { |
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| 349 | $langdata['literal'] = Punic\Language::getName($proplang, $lang); |
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| 350 | } |
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| 351 | |||
| 352 | $langdata['properties'] = array(); |
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| 353 | foreach ($properties as $prop => $value) { |
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| 354 | $langdata['properties'][] = array('property' => $prop, 'labels' => $value); |
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| 355 | } |
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| 356 | $counts[] = $langdata; |
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| 357 | } |
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| 358 | |||
| 359 | $ret = array( |
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| 360 | '@context' => array( |
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| 361 | 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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| 362 | 'skos' => 'http://www.w3.org/2004/02/skos/core#', |
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| 363 | 'void' => 'http://rdfs.org/ns/void#', |
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| 364 | 'void-ext' => 'http://ldf.fi/void-ext#', |
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| 365 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 366 | 'uri' => '@id', |
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| 367 | 'id' => 'onki:vocabularyIdentifier', |
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| 368 | 'languages' => 'void-ext:languagePartition', |
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| 369 | 'language' => 'void-ext:language', |
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| 370 | 'properties' => 'void:propertyPartition', |
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| 371 | 'labels' => 'void:triples', |
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| 372 | '@base' => $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/", |
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| 373 | ), |
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| 374 | 'uri' => '', |
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| 375 | 'id' => $request->getVocab()->getId(), |
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| 376 | 'title' => $request->getVocab()->getConfig()->getTitle($lang), |
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| 377 | 'languages' => $counts, |
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| 378 | ); |
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| 379 | |||
| 380 | if ($lang) { |
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| 381 | $ret['@context']['literal'] = array('@id' => 'rdfs:label', '@language' => $lang); |
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| 382 | } |
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| 383 | |||
| 384 | return $this->returnJson($ret); |
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| 385 | } |
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| 386 | |||
| 387 | /** |
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| 388 | * Loads the vocabulary type metadata. And wraps the result in a json-ld object. |
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| 389 | * @param Request $request |
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| 390 | */ |
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| 391 | public function types($request) |
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| 392 | { |
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| 393 | $vocid = $request->getVocab() ? $request->getVocab()->getId() : null; |
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| 394 | if ($vocid === null && !$request->getLang()) { |
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| 395 | return $this->returnError(400, "Bad Request", "lang parameter missing"); |
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| 396 | } |
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| 397 | if ($this->notModified($request->getVocab())) { |
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| 398 | return null; |
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| 399 | } |
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| 400 | |||
| 401 | $this->model->setLocale($request->getLang()); |
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| 402 | |||
| 403 | $queriedtypes = $this->model->getTypes($vocid, $request->getLang()); |
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| 404 | |||
| 405 | $types = array(); |
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| 406 | |||
| 407 | /* encode the results in a JSON-LD compatible array */ |
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| 408 | foreach ($queriedtypes as $uri => $typedata) { |
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| 409 | $type = array_merge(array('uri' => $uri), $typedata); |
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| 410 | $types[] = $type; |
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| 411 | } |
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| 412 | |||
| 413 | $base = $request->getVocab() ? $this->getBaseHref() . "rest/v1/" . $request->getVocab()->getId() . "/" : $this->getBaseHref() . "rest/v1/"; |
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| 414 | |||
| 415 | $ret = array_merge_recursive( |
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| 416 | $this->context, |
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| 417 | array( |
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| 418 | '@context' => array( |
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| 419 | 'rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', |
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| 420 | 'onki' => 'http://schema.onki.fi/onki#', |
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| 421 | 'label' => 'rdfs:label', |
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| 422 | 'superclass' => array('@id' => 'rdfs:subClassOf', '@type' => '@id'), |
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| 423 | 'types' => 'onki:hasType', |
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| 424 | '@language' => $request->getLang(), |
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| 425 | '@base' => $base, |
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| 426 | ), |
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| 427 | 'uri' => '', |
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| 428 | 'types' => $types) |
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| 429 | ); |
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| 430 | |||
| 431 | return $this->returnJson($ret); |
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| 432 | } |
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| 433 | |||
| 434 | private function findLookupHits($results, $label, $lang) |
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| 435 | { |
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| 436 | $hits = array(); |
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| 437 | // case 1: exact match on preferred label |
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| 438 | foreach ($results as $res) { |
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| 439 | if (isset($res['prefLabel']) && $res['prefLabel'] == $label) { |
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| 440 | $hits[] = $res; |
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| 441 | } |
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| 442 | } |
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| 443 | if (sizeof($hits) > 0) { |
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| 444 | return $hits; |
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| 445 | } |
||
| 446 | |||
| 447 | // case 2: case-insensitive match on preferred label |
||
| 448 | foreach ($results as $res) { |
||
| 449 | if (isset($res['prefLabel']) && strtolower($res['prefLabel']) == strtolower($label)) { |
||
| 450 | $hits[] = $res; |
||
| 451 | } |
||
| 452 | } |
||
| 453 | if (sizeof($hits) > 0) { |
||
| 454 | return $hits; |
||
| 455 | } |
||
| 456 | |||
| 457 | if ($lang === null) { |
||
| 458 | // case 1A: exact match on preferred label in any language |
||
| 459 | foreach ($results as $res) { |
||
| 460 | if (isset($res['matchedPrefLabel']) && $res['matchedPrefLabel'] == $label) { |
||
| 461 | $res['prefLabel'] = $res['matchedPrefLabel']; |
||
| 462 | unset($res['matchedPrefLabel']); |
||
| 463 | $hits[] = $res; |
||
| 464 | } |
||
| 465 | } |
||
| 466 | if (sizeof($hits) > 0) { |
||
| 467 | return $hits; |
||
| 468 | } |
||
| 469 | |||
| 470 | // case 2A: case-insensitive match on preferred label in any language |
||
| 471 | foreach ($results as $res) { |
||
| 472 | if (isset($res['matchedPrefLabel']) && strtolower($res['matchedPrefLabel']) == strtolower($label)) { |
||
| 473 | $res['prefLabel'] = $res['matchedPrefLabel']; |
||
| 474 | unset($res['matchedPrefLabel']); |
||
| 475 | $hits[] = $res; |
||
| 476 | } |
||
| 477 | } |
||
| 478 | if (sizeof($hits) > 0) { |
||
| 479 | return $hits; |
||
| 480 | } |
||
| 481 | } |
||
| 482 | |||
| 483 | // case 3: exact match on alternate label |
||
| 484 | foreach ($results as $res) { |
||
| 485 | if (isset($res['altLabel']) && $res['altLabel'] == $label) { |
||
| 486 | $hits[] = $res; |
||
| 487 | } |
||
| 488 | } |
||
| 489 | if (sizeof($hits) > 0) { |
||
| 490 | return $hits; |
||
| 491 | } |
||
| 492 | |||
| 493 | |||
| 494 | // case 4: case-insensitive match on alternate label |
||
| 495 | foreach ($results as $res) { |
||
| 496 | if (isset($res['altLabel']) && strtolower($res['altLabel']) == strtolower($label)) { |
||
| 497 | $hits[] = $res; |
||
| 498 | } |
||
| 499 | } |
||
| 500 | if (sizeof($hits) > 0) { |
||
| 501 | return $hits; |
||
| 502 | } |
||
| 503 | |||
| 504 | return $hits; |
||
| 505 | } |
||
| 506 | |||
| 507 | private function transformLookupResults($lang, $hits) |
||
| 508 | { |
||
| 509 | if (sizeof($hits) == 0) { |
||
| 510 | // no matches found |
||
| 511 | return; |
||
| 512 | } |
||
| 513 | |||
| 514 | // found matches, getting rid of Vocabulary objects |
||
| 515 | foreach ($hits as &$res) { |
||
| 516 | unset($res['voc']); |
||
| 517 | } |
||
| 518 | |||
| 519 | $ret = array_merge_recursive( |
||
| 520 | $this->context, |
||
| 521 | array( |
||
| 522 | '@context' => array('onki' => 'http://schema.onki.fi/onki#', 'results' => array('@id' => 'onki:results'), 'prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel'), |
||
| 523 | 'result' => $hits) |
||
| 524 | ); |
||
| 525 | |||
| 526 | if ($lang) { |
||
| 527 | $ret['@context']['@language'] = $lang; |
||
| 528 | } |
||
| 529 | |||
| 530 | return $ret; |
||
| 531 | } |
||
| 532 | |||
| 533 | /** |
||
| 534 | * Used for finding terms by their exact prefLabel. Wraps the result in a json-ld object. |
||
| 535 | * @param Request $request |
||
| 536 | */ |
||
| 537 | public function lookup($request) |
||
| 538 | { |
||
| 539 | $label = $request->getQueryParamRaw('label'); |
||
| 540 | if (!$label) { |
||
| 541 | return $this->returnError(400, "Bad Request", "label parameter missing"); |
||
| 542 | } |
||
| 543 | |||
| 544 | $lang = $request->getQueryParam('lang'); |
||
| 545 | $parameters = new ConceptSearchParameters($request, $this->model->getConfig(), true); |
||
| 546 | $results = $this->model->searchConcepts($parameters); |
||
| 547 | $hits = $this->findLookupHits($results, $label, $lang); |
||
| 548 | $ret = $this->transformLookupResults($lang, $hits); |
||
| 549 | if ($ret === null) { |
||
| 550 | return $this->returnError(404, 'Not Found', "Could not find label '$label'"); |
||
| 551 | } |
||
| 552 | return $this->returnJson($ret); |
||
| 553 | } |
||
| 554 | |||
| 555 | /** |
||
| 556 | * Queries the top concepts of a vocabulary and wraps the results in a json-ld object. |
||
| 557 | * @param Request $request |
||
| 558 | * @return object json-ld object |
||
| 559 | */ |
||
| 560 | public function topConcepts($request) |
||
| 561 | { |
||
| 562 | $vocab = $request->getVocab(); |
||
| 563 | if ($this->notModified($vocab)) { |
||
| 564 | return null; |
||
| 565 | } |
||
| 566 | $scheme = $request->getQueryParam('scheme'); |
||
| 567 | if (!$scheme) { |
||
| 568 | $scheme = $vocab->getConfig()->showConceptSchemesInHierarchy() ? array_keys($vocab->getConceptSchemes()) : $vocab->getDefaultConceptScheme(); |
||
| 569 | } |
||
| 570 | |||
| 571 | /* encode the results in a JSON-LD compatible array */ |
||
| 572 | $topconcepts = $vocab->getTopConcepts($scheme, $request->getLang()); |
||
| 573 | |||
| 574 | $ret = array_merge_recursive( |
||
| 575 | $this->context, |
||
| 576 | array( |
||
| 577 | '@context' => array('onki' => 'http://schema.onki.fi/onki#', 'topconcepts' => 'skos:hasTopConcept', 'notation' => 'skos:notation', 'label' => 'skos:prefLabel', '@language' => $request->getLang()), |
||
| 578 | 'uri' => $scheme, |
||
| 579 | 'topconcepts' => $topconcepts) |
||
| 580 | ); |
||
| 581 | |||
| 582 | return $this->returnJson($ret); |
||
| 583 | } |
||
| 584 | |||
| 585 | private function redirectToVocabData($request) |
||
| 586 | { |
||
| 587 | $urls = $request->getVocab()->getConfig()->getDataURLs(); |
||
| 588 | if (sizeof($urls) == 0) { |
||
| 589 | $vocid = $request->getVocab()->getId(); |
||
| 590 | return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid"); |
||
| 591 | } |
||
| 592 | |||
| 593 | $format = $this->negotiateFormat(array_keys($urls), $request->getServerConstant('HTTP_ACCEPT'), $request->getQueryParam('format')); |
||
| 594 | if (!$format) { |
||
| 595 | return $this->returnError(406, 'Not Acceptable', "Unsupported format. Supported MIME types are: " . implode(' ', array_keys($urls))); |
||
| 596 | } |
||
| 597 | if (is_array($urls[$format])) { |
||
| 598 | $arr = $urls[$format]; |
||
| 599 | $dataLang = $request->getLang(); |
||
| 600 | if (isset($arr[$dataLang])) { |
||
| 601 | header("Location: " . $arr[$dataLang]); |
||
| 602 | } else { |
||
| 603 | $vocid = $request->getVocab()->getId(); |
||
| 604 | return $this->returnError('404', 'Not Found', "No download source URL known for vocabulary $vocid in language $dataLang"); |
||
| 605 | } |
||
| 606 | } else { |
||
| 607 | header("Location: " . $urls[$format]); |
||
| 608 | } |
||
| 609 | } |
||
| 610 | |||
| 611 | private function returnDataResults($results, $format) |
||
| 647 | } |
||
| 648 | |||
| 649 | /** |
||
| 650 | * Download a concept as json-ld or redirect to download the whole vocabulary. |
||
| 651 | * @param Request $request |
||
| 652 | * @return object json-ld formatted concept. |
||
| 653 | */ |
||
| 654 | public function data($request) |
||
| 680 | } |
||
| 681 | |||
| 682 | /** |
||
| 683 | * Get the mappings associated with a concept, enriched with labels and notations. |
||
| 684 | * Returns a JSKOS-compatible JSON object. |
||
| 685 | * @param Request $request |
||
| 686 | * @throws Exception if the vocabulary ID is not found in configuration |
||
| 687 | */ |
||
| 688 | public function mappings(Request $request) |
||
| 689 | { |
||
| 690 | $this->model->setLocale($request->getLang()); |
||
| 691 | $vocab = $request->getVocab(); |
||
| 692 | if ($this->notModified($vocab)) { |
||
| 693 | return null; |
||
| 694 | } |
||
| 695 | |||
| 696 | $uri = $request->getUri(); |
||
| 697 | if (!$uri) { |
||
| 698 | return $this->returnError(400, 'Bad Request', "uri parameter missing"); |
||
| 699 | } |
||
| 700 | |||
| 701 | $queryExVocabs = $request->getQueryParamBoolean('external', true); |
||
| 702 | |||
| 703 | $concept = $vocab->getConceptInfo($uri, $request->getContentLang()); |
||
| 704 | if (empty($concept)) { |
||
| 705 | return $this->returnError(404, 'Bad Request', "no concept found with given uri"); |
||
| 706 | } |
||
| 707 | |||
| 708 | $mappings = []; |
||
| 709 | $linkUrlExtension = new LinkUrlExtension($this->model); |
||
| 710 | foreach ($concept->getMappingProperties() as $mappingProperty) { |
||
| 711 | foreach ($mappingProperty->getValues() as $mappingPropertyValue) { |
||
| 712 | $hrefLink = $linkUrlExtension->linkUrlFilter($mappingPropertyValue->getUri(), $mappingPropertyValue->getExVocab(), $request->getLang(), 'page', $request->getContentLang()); |
||
| 713 | $mappings[] = $mappingPropertyValue->asJskos($queryExVocabs, $request->getLang(), $hrefLink); |
||
| 714 | } |
||
| 715 | } |
||
| 716 | |||
| 717 | $ret = array( |
||
| 718 | 'mappings' => $mappings, |
||
| 719 | 'graph' => $concept->dumpJsonLd() |
||
| 720 | ); |
||
| 721 | |||
| 722 | return $this->returnJson($ret); |
||
| 723 | } |
||
| 724 | |||
| 725 | /** |
||
| 726 | * Used for querying labels for a uri. |
||
| 727 | * @param Request $request |
||
| 728 | * @return object json-ld wrapped labels. |
||
| 729 | */ |
||
| 730 | public function label($request) |
||
| 731 | { |
||
| 732 | if (!$request->getUri()) { |
||
| 733 | return $this->returnError(400, "Bad Request", "uri parameter missing"); |
||
| 734 | } |
||
| 735 | |||
| 736 | if ($this->notModified($request->getVocab())) { |
||
| 737 | return null; |
||
| 738 | } |
||
| 739 | |||
| 740 | $vocab = $request->getVocab(); |
||
| 741 | if ($vocab === null) { |
||
| 742 | $vocab = $this->model->guessVocabularyFromUri($request->getUri()); |
||
| 743 | } |
||
| 744 | if ($vocab === null) { |
||
| 745 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 746 | } |
||
| 747 | |||
| 748 | $labelResults = $vocab->getAllConceptLabels($request->getUri(), $request->getLang()); |
||
| 749 | if ($labelResults === null) { |
||
| 750 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 751 | } |
||
| 752 | |||
| 753 | // there should be only one preferred label so no need for an array |
||
| 754 | if (array_key_exists('prefLabel', $labelResults)) { |
||
| 755 | $labelResults['prefLabel'] = $labelResults['prefLabel'][0]; |
||
| 756 | } |
||
| 757 | |||
| 758 | $ret = array_merge_recursive( |
||
| 759 | $this->context, |
||
| 760 | array('@context' => array('prefLabel' => 'skos:prefLabel', 'altLabel' => 'skos:altLabel', 'hiddenLabel' => 'skos:hiddenLabel', '@language' => $request->getLang()), |
||
| 761 | 'uri' => $request->getUri()), |
||
| 762 | $labelResults |
||
| 763 | ); |
||
| 764 | |||
| 765 | return $this->returnJson($ret); |
||
| 766 | } |
||
| 767 | |||
| 768 | /** |
||
| 769 | * Query for the available letters in the alphabetical index. |
||
| 770 | * @param Request $request |
||
| 771 | * @return object JSON-LD wrapped list of letters |
||
| 772 | */ |
||
| 773 | |||
| 774 | public function indexLetters($request) |
||
| 793 | } |
||
| 794 | |||
| 795 | /** |
||
| 796 | * Query for the concepts with terms starting with a given letter in the |
||
| 797 | * alphabetical index. |
||
| 798 | * @param Request $request |
||
| 799 | * @return object JSON-LD wrapped list of terms/concepts |
||
| 800 | */ |
||
| 801 | |||
| 802 | public function indexConcepts($letter, $request) |
||
| 803 | { |
||
| 804 | $this->model->setLocale($request->getLang()); |
||
| 805 | |||
| 806 | $offset_param = $request->getQueryParam('offset'); |
||
| 807 | $offset = (is_numeric($offset_param) && $offset_param >= 0) ? $offset_param : 0; |
||
| 808 | $limit_param = $request->getQueryParam('limit'); |
||
| 809 | $limit = (is_numeric($limit_param) && $limit_param >= 0) ? $limit_param : 0; |
||
| 810 | |||
| 811 | $concepts = $request->getVocab()->searchConceptsAlphabetical($letter, $limit, $offset, $request->getLang()); |
||
| 812 | |||
| 813 | $ret = array_merge_recursive( |
||
| 814 | $this->context, |
||
| 815 | array( |
||
| 816 | '@context' => array( |
||
| 817 | 'indexConcepts' => array( |
||
| 818 | '@id' => 'skosmos:indexConcepts', |
||
| 819 | '@container' => '@list' |
||
| 820 | ) |
||
| 821 | ), |
||
| 822 | 'uri' => '', |
||
| 823 | 'indexConcepts' => $concepts) |
||
| 824 | ); |
||
| 825 | return $this->returnJson($ret); |
||
| 826 | } |
||
| 827 | |||
| 828 | private function transformPropertyResults($uri, $lang, $objects, $propname, $propuri) |
||
| 829 | { |
||
| 830 | $results = array(); |
||
| 831 | foreach ($objects as $objuri => $vals) { |
||
| 832 | $results[] = array('uri' => $objuri, 'prefLabel' => $vals['label']); |
||
| 833 | } |
||
| 834 | |||
| 835 | return array_merge_recursive( |
||
| 836 | $this->context, |
||
| 837 | array( |
||
| 838 | '@context' => array('prefLabel' => 'skos:prefLabel', $propname => $propuri, '@language' => $lang), |
||
| 839 | 'uri' => $uri, |
||
| 840 | $propname => $results) |
||
| 841 | ); |
||
| 842 | } |
||
| 843 | |||
| 844 | private function transformTransitivePropertyResults($uri, $lang, $objects, $tpropname, $tpropuri, $dpropname, $dpropuri) |
||
| 861 | ); |
||
| 862 | } |
||
| 863 | |||
| 864 | /** |
||
| 865 | * Used for querying broader relations for a concept. |
||
| 866 | * @param Request $request |
||
| 867 | * @return object json-ld wrapped broader concept uris and labels. |
||
| 868 | */ |
||
| 869 | public function broader($request) |
||
| 870 | { |
||
| 871 | if ($this->notModified($request->getVocab())) { |
||
| 872 | return null; |
||
| 873 | } |
||
| 874 | $broaders = $request->getVocab()->getConceptBroaders($request->getUri(), $request->getLang()); |
||
| 875 | if ($broaders === null) { |
||
| 876 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 877 | } |
||
| 878 | $ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $broaders, "broader", "skos:broader"); |
||
| 879 | return $this->returnJson($ret); |
||
| 880 | } |
||
| 881 | |||
| 882 | /** |
||
| 883 | * Used for querying broader transitive relations for a concept. |
||
| 884 | * @param Request $request |
||
| 885 | * @return object json-ld wrapped broader transitive concept uris and labels. |
||
| 886 | */ |
||
| 887 | public function broaderTransitive($request) |
||
| 888 | { |
||
| 889 | if ($this->notModified($request->getVocab())) { |
||
| 890 | return null; |
||
| 891 | } |
||
| 892 | $broaders = $request->getVocab()->getConceptTransitiveBroaders($request->getUri(), $this->parseLimit(), false, $request->getLang()); |
||
| 893 | if (empty($broaders)) { |
||
| 894 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 895 | } |
||
| 896 | $ret = $this->transformTransitivePropertyResults($request->getUri(), $request->getLang(), $broaders, "broaderTransitive", "skos:broaderTransitive", "broader", "skos:broader"); |
||
| 897 | return $this->returnJson($ret); |
||
| 898 | } |
||
| 899 | |||
| 900 | /** |
||
| 901 | * Used for querying narrower relations for a concept. |
||
| 902 | * @param Request $request |
||
| 903 | * @return object json-ld wrapped narrower concept uris and labels. |
||
| 904 | */ |
||
| 905 | public function narrower($request) |
||
| 906 | { |
||
| 907 | if ($this->notModified($request->getVocab())) { |
||
| 908 | return null; |
||
| 909 | } |
||
| 910 | $narrowers = $request->getVocab()->getConceptNarrowers($request->getUri(), $request->getLang()); |
||
| 911 | if ($narrowers === null) { |
||
| 912 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 913 | } |
||
| 914 | $ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $narrowers, "narrower", "skos:narrower"); |
||
| 915 | return $this->returnJson($ret); |
||
| 916 | } |
||
| 917 | |||
| 918 | /** |
||
| 919 | * Used for querying narrower transitive relations for a concept. |
||
| 920 | * @param Request $request |
||
| 921 | * @return object json-ld wrapped narrower transitive concept uris and labels. |
||
| 922 | */ |
||
| 923 | public function narrowerTransitive($request) |
||
| 934 | } |
||
| 935 | |||
| 936 | /** |
||
| 937 | * Used for querying broader transitive relations |
||
| 938 | * and some narrowers for a concept in the hierarchy view. |
||
| 939 | * @param Request $request |
||
| 940 | * @return object json-ld wrapped hierarchical concept uris and labels. |
||
| 941 | */ |
||
| 942 | public function hierarchy($request) |
||
| 1018 | } |
||
| 1019 | |||
| 1020 | /** |
||
| 1021 | * Used for querying group hierarchy for the sidebar group view. |
||
| 1022 | * @param Request $request |
||
| 1023 | * @return object json-ld wrapped hierarchical concept uris and labels. |
||
| 1024 | */ |
||
| 1025 | public function groups($request) |
||
| 1041 | } |
||
| 1042 | |||
| 1043 | /** |
||
| 1044 | * Used for querying member relations for a group. |
||
| 1045 | * @param Request $request |
||
| 1046 | * @return object json-ld wrapped narrower concept uris and labels. |
||
| 1047 | */ |
||
| 1048 | public function groupMembers($request) |
||
| 1049 | { |
||
| 1050 | if ($this->notModified($request->getVocab())) { |
||
| 1051 | return null; |
||
| 1052 | } |
||
| 1053 | $children = $request->getVocab()->listConceptGroupContents($request->getUri(), $request->getLang()); |
||
| 1054 | if (empty($children)) { |
||
| 1055 | return $this->returnError('404', 'Not Found', "Could not find group <{$request->getUri()}>"); |
||
| 1056 | } |
||
| 1057 | |||
| 1058 | $ret = array_merge_recursive( |
||
| 1059 | $this->context, |
||
| 1060 | array( |
||
| 1061 | '@context' => array('prefLabel' => 'skos:prefLabel', 'members' => 'skos:member', '@language' => $request->getLang()), |
||
| 1062 | 'uri' => $request->getUri(), |
||
| 1063 | 'members' => $children) |
||
| 1064 | ); |
||
| 1065 | |||
| 1066 | return $this->returnJson($ret); |
||
| 1067 | } |
||
| 1068 | |||
| 1069 | /** |
||
| 1070 | * Used for querying narrower relations for a concept in the hierarchy view. |
||
| 1071 | * @param Request $request |
||
| 1072 | * @return object json-ld wrapped narrower concept uris and labels. |
||
| 1073 | */ |
||
| 1074 | public function children($request) |
||
| 1075 | { |
||
| 1076 | if ($this->notModified($request->getVocab())) { |
||
| 1077 | return null; |
||
| 1078 | } |
||
| 1079 | $children = $request->getVocab()->getConceptChildren($request->getUri(), $request->getLang()); |
||
| 1080 | if ($children === null) { |
||
| 1081 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 1082 | } |
||
| 1083 | |||
| 1084 | $ret = array_merge_recursive( |
||
| 1085 | $this->context, |
||
| 1086 | array( |
||
| 1087 | '@context' => array('prefLabel' => 'skos:prefLabel', 'narrower' => 'skos:narrower', 'notation' => 'skos:notation', 'hasChildren' => 'onki:hasChildren', '@language' => $request->getLang()), |
||
| 1088 | 'uri' => $request->getUri(), |
||
| 1089 | 'narrower' => $children) |
||
| 1090 | ); |
||
| 1091 | |||
| 1092 | return $this->returnJson($ret); |
||
| 1093 | } |
||
| 1094 | |||
| 1095 | /** |
||
| 1096 | * Used for querying narrower relations for a concept in the hierarchy view. |
||
| 1097 | * @param Request $request |
||
| 1098 | * @return object json-ld wrapped hierarchical concept uris and labels. |
||
| 1099 | */ |
||
| 1100 | public function related($request) |
||
| 1101 | { |
||
| 1102 | if ($this->notModified($request->getVocab())) { |
||
| 1103 | return null; |
||
| 1104 | } |
||
| 1105 | $related = $request->getVocab()->getConceptRelateds($request->getUri(), $request->getLang()); |
||
| 1106 | if ($related === null) { |
||
| 1107 | return $this->returnError('404', 'Not Found', "Could not find concept <{$request->getUri()}>"); |
||
| 1108 | } |
||
| 1109 | $ret = $this->transformPropertyResults($request->getUri(), $request->getLang(), $related, "related", "skos:related"); |
||
| 1110 | return $this->returnJson($ret); |
||
| 1111 | } |
||
| 1112 | |||
| 1113 | /** |
||
| 1114 | * Used for querying new concepts in the vocabulary |
||
| 1115 | * @param Request $request |
||
| 1116 | * @return object json-ld wrapped list of changed concepts |
||
| 1117 | */ |
||
| 1118 | public function newConcepts($request) |
||
| 1119 | { |
||
| 1120 | $offset = ($request->getQueryParam('offset') && is_numeric($request->getQueryParam('offset')) && $request->getQueryParam('offset') >= 0) ? $request->getQueryParam('offset') : 0; |
||
| 1121 | $limit = ($request->getQueryParam('limit') && is_numeric($request->getQueryParam('limit')) && $request->getQueryParam('limit') >= 0) ? $request->getQueryParam('limit') : 200; |
||
| 1122 | |||
| 1123 | return $this->changedConcepts($request, 'dc:created', $offset, $limit); |
||
| 1124 | } |
||
| 1125 | |||
| 1126 | /** |
||
| 1127 | * Used for querying modified concepts in the vocabulary |
||
| 1128 | * @param Request $request |
||
| 1129 | * @return object json-ld wrapped list of changed concepts |
||
| 1130 | */ |
||
| 1131 | public function modifiedConcepts($request) |
||
| 1132 | { |
||
| 1133 | $offset = ($request->getQueryParam('offset') && is_numeric($request->getQueryParam('offset')) && $request->getQueryParam('offset') >= 0) ? $request->getQueryParam('offset') : 0; |
||
| 1134 | $limit = ($request->getQueryParam('limit') && is_numeric($request->getQueryParam('limit')) && $request->getQueryParam('limit') >= 0) ? $request->getQueryParam('limit') : 200; |
||
| 1135 | |||
| 1136 | return $this->changedConcepts($request, 'dc:modified', $offset, $limit); |
||
| 1137 | } |
||
| 1138 | |||
| 1139 | /** |
||
| 1140 | * Used for querying changed concepts in the vocabulary |
||
| 1141 | * @param Request $request |
||
| 1142 | * @param int $offset starting index offset |
||
| 1143 | * @param int $limit maximum number of concepts to return |
||
| 1144 | * @return object json-ld wrapped list of changed concepts |
||
| 1145 | */ |
||
| 1146 | private function changedConcepts($request, $prop, $offset, $limit) |
||
| 1174 | )); |
||
| 1175 | |||
| 1176 | } |
||
| 1177 | } |
||
| 1178 |
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