+global\Concept::getProperties()

Complexity

Conditions	45
Paths	> 20000

Size

Total Lines	153
Code Lines	76

Duplication

Lines	6
Ratio	3.92 %

Importance

Changes

0

<?php
    public function getProperties()
    {
        $properties = array();
        $narrowersByUri = array();
        $inCollection = array();
        $membersArray = array();
        $longUris = $this->resource->propertyUris();
        $duplicates = array();
        $ret = array();

        // looking for collections and linking those with their narrower concepts
        if ($this->vocab->getConfig()->getArrayClassURI() !== null) {
            $collections = $this->graph->allOfType($this->vocab->getConfig()->getArrayClassURI());
            if (sizeof($collections) > 0) {
                // indexing the narrowers once to avoid iterating all of them with every collection
                foreach ($this->resource->allResources('skos:narrower') as $narrower) {
                    $narrowersByUri[$narrower->getUri()] = $narrower;
                }

                foreach ($collections as $coll) {
                    $currCollMembers = $this->getCollectionMembers($coll, $narrowersByUri);
                    foreach ($currCollMembers as $collection) {
                        if ($collection->getSubMembers()) {
                            $submembers = $collection->getSubMembers();
                            foreach ($submembers as $member) {
                                $inCollection[$member->getUri()] = true;
                            }

                        }
                    }

                    if (isset($collection) && $collection->getSubMembers()) {
                        $membersArray = array_merge($currCollMembers, $membersArray);
                    }

                }
                $properties['skos:narrower'] = $membersArray;
            }
        }

        foreach ($longUris as &$prop) {
            // storing full URI without brackets in a separate variable
            $longUri = $prop;
            if (EasyRdf\RdfNamespace::shorten($prop) !== null) {
                // shortening property labels if possible
                $prop = $sprop = EasyRdf\RdfNamespace::shorten($prop);
            } else {
                $sprop = "<$prop>";
            }
            // EasyRdf requires full URIs to be in angle brackets

            if (!in_array($prop, $this->DELETED_PROPERTIES) || ($this->isGroup() === false && $prop === 'skos:member')) {
                // retrieve property label and super properties from the current vocabulary first
                $propres = new EasyRdf\Resource($prop, $this->graph);
                $proplabel = $propres->label($this->getEnvLang()) ? $propres->label($this->getEnvLang()) : $propres->label();

                // if not found in current vocabulary, look up in the default graph to be able
                // to read an ontology loaded in a separate graph
                // note that this imply that the property has an rdf:type declared for the query to work
                if(!$proplabel) {
                    $envLangLabels = $this->model->getDefaultSparql()->queryLabel($longUri, $this->getEnvLang());
                    $proplabel = ($envLangLabels)?$envLangLabels[$this->getEnvLang()]:$this->model->getDefaultSparql()->queryLabel($longUri, '')[''];
                }

                // look for superproperties in the current graph
                $superprops = array();
                foreach ($this->graph->allResources($prop, 'rdfs:subPropertyOf') as $subi) {
                    $superprops[] = $subi->getUri();
                }

                // also look up superprops in the default graph if not found in current vocabulary
                if(!$superprops || empty($superprops)) {
                    $superprops = $this->model->getDefaultSparql()->querySuperProperties($longUri);
                }

                // we're reading only one super property, even if there are multiple ones
                $superprop = ($superprops)?$superprops[0]:null;
                if ($superprop) {
                    $superprop = EasyRdf\RdfNamespace::shorten($superprop) ? EasyRdf\RdfNamespace::shorten($superprop) : $superprop;
                }
                $propobj = new ConceptProperty($prop, $proplabel, $superprop);

                if ($propobj->getLabel() !== null) {
                    // only display properties for which we have a label
                    $ret[$prop] = $propobj;
                }

                // searching for subproperties of literals too
                if($superprops) {
                    foreach ($superprops as $subi) {
                        $suburi = EasyRdf\RdfNamespace::shorten($subi) ? EasyRdf\RdfNamespace::shorten($subi) : $subi;
                        $duplicates[$suburi] = $prop;
                    }
                }

                // Iterating through every literal and adding these to the data object.
                foreach ($this->resource->allLiterals($sprop) as $val) {
                    $literal = new ConceptPropertyValueLiteral($this->model, $this->vocab, $this->resource, $val, $prop);
                    // only add literals when they match the content/hit language or have no language defined
                    if (isset($ret[$prop]) && ($literal->getLang() === $this->clang || $literal->getLang() === null)) {
                        $ret[$prop]->addValue($literal);
                    }

                }

                // Iterating through every resource and adding these to the data object.
                foreach ($this->resource->allResources($sprop) as $val) {
                    // skipping narrower concepts which are already shown in a collection
                    if ($sprop === 'skos:narrower' && array_key_exists($val->getUri(), $inCollection)) {
                        continue;
                    }

                    // hiding rdf:type property if it's just skos:Concept
                    if ($sprop === 'rdf:type' && $val->shorten() === 'skos:Concept') {
                        continue;
                    }

                    // handled by getMappingProperties()
                    if (in_array($sprop, $this->MAPPING_PROPERTIES)) {
                        continue;
                    }

                    if (isset($ret[$prop])) {
                        // checking if the property value is not in the current vocabulary
                        $exvoc = $this->model->guessVocabularyFromURI($val->getUri());
                        if ($exvoc && $exvoc->getId() !== $this->vocab->getId()) {
                            $ret[$prop]->addValue(new ConceptMappingPropertyValue($this->model, $this->vocab, $val, $prop, $this->clang), $this->clang);
                            continue;
                        }
                        $ret[$prop]->addValue(new ConceptPropertyValue($this->model, $this->vocab, $val, $prop, $this->clang), $this->clang);
                    }

                }
            }
        }
        // adding narrowers part of a collection
        foreach ($properties as $prop => $values) {
            foreach ($values as $value) {
                $ret[$prop]->addValue($value, $this->clang);
            }
        }

        foreach ($ret as $key => $prop) {
            if (sizeof($prop->getValues()) === 0) {
                unset($ret[$key]);
            }
        }

        $ret = $this->removeDuplicatePropertyValues($ret, $duplicates);
        // sorting the properties to the order preferred in the Skosmos concept page.
        $ret = $this->arbitrarySort($ret);
        return $ret;
    }