Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
0.00% |
0 / 66 |
|
0.00% |
0 / 5 |
CRAP | |
0.00% |
0 / 1 |
| tao_models_classes_import_RdfImporter | |
0.00% |
0 / 66 |
|
0.00% |
0 / 5 |
650 | |
0.00% |
0 / 1 |
| getLabel | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| getForm | |
0.00% |
0 / 2 |
|
0.00% |
0 / 1 |
2 | |||
| import | |
0.00% |
0 / 11 |
|
0.00% |
0 / 1 |
20 | |||
| flatImport | |
0.00% |
0 / 15 |
|
0.00% |
0 / 1 |
12 | |||
| importProperties | |
0.00% |
0 / 37 |
|
0.00% |
0 / 1 |
272 | |||
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT); |
| 19 | * |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | use EasyRdf\Format; |
| 24 | use EasyRdf\Graph; |
| 25 | use oat\generis\model\OntologyRdf; |
| 26 | use oat\generis\model\OntologyRdfs; |
| 27 | use oat\oatbox\event\EventManagerAwareTrait; |
| 28 | use oat\tao\model\event\RdfImportEvent; |
| 29 | use oat\tao\model\import\ImportHandlerHelperTrait; |
| 30 | use oat\tao\model\import\TaskParameterProviderInterface; |
| 31 | use Zend\ServiceManager\ServiceLocatorAwareInterface; |
| 32 | |
| 33 | /** |
| 34 | * RDF Import Handler |
| 35 | * |
| 36 | * @access public |
| 37 | * @author Joel Bout, <joel@taotesting.com> |
| 38 | * @package tao |
| 39 | */ |
| 40 | class tao_models_classes_import_RdfImporter implements |
| 41 | tao_models_classes_import_ImportHandler, |
| 42 | ServiceLocatorAwareInterface, |
| 43 | TaskParameterProviderInterface |
| 44 | { |
| 45 | use EventManagerAwareTrait; |
| 46 | use ImportHandlerHelperTrait; |
| 47 | |
| 48 | /** |
| 49 | * (non-PHPdoc) |
| 50 | * @see tao_models_classes_import_ImportHandler::getLabel() |
| 51 | */ |
| 52 | public function getLabel() |
| 53 | { |
| 54 | return __('RDF'); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * (non-PHPdoc) |
| 59 | * @see tao_models_classes_import_ImportHandler::getForm() |
| 60 | */ |
| 61 | public function getForm() |
| 62 | { |
| 63 | $form = new tao_models_classes_import_RdfImportForm(); |
| 64 | |
| 65 | return $form->getForm(); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * @param core_kernel_classes_Class $class |
| 70 | * @param tao_helpers_form_Form|array $form |
| 71 | * @param string|null $userId owner of the resource |
| 72 | * @return common_report_Report |
| 73 | * @throws common_Exception |
| 74 | * @throws common_exception_Error |
| 75 | */ |
| 76 | public function import($class, $form, $userId = null) |
| 77 | { |
| 78 | $parser = new tao_models_classes_Parser($this->fetchUploadedFile($form), ['extension' => 'rdf']); |
| 79 | $parser->validate(); |
| 80 | |
| 81 | if (!$parser->isValid()) { |
| 82 | $report = common_report_Report::createFailure(__('Nothing imported')); |
| 83 | $report->add($parser->getReport()); |
| 84 | } else { |
| 85 | $report = $this->flatImport($parser->getContent(), $class); |
| 86 | |
| 87 | if (!$report->containsError()) { |
| 88 | $this->getUploadService()->remove($parser->getSource()); |
| 89 | } |
| 90 | |
| 91 | if ($report->getType() == common_report_Report::TYPE_SUCCESS) { |
| 92 | $this->getEventManager()->trigger(new RdfImportEvent($report)); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | return $report; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Imports the rdf file into the selected class |
| 101 | * |
| 102 | * @param string $content |
| 103 | * @param core_kernel_classes_Class $class |
| 104 | * @return common_report_Report |
| 105 | */ |
| 106 | protected function flatImport($content, core_kernel_classes_Class $class) |
| 107 | { |
| 108 | $report = common_report_Report::createSuccess(__('Data imported successfully')); |
| 109 | |
| 110 | $graph = new Graph(); |
| 111 | $graph->parse($content); |
| 112 | |
| 113 | // keep type property |
| 114 | $map = [ |
| 115 | OntologyRdf::RDF_PROPERTY => OntologyRdf::RDF_PROPERTY |
| 116 | ]; |
| 117 | |
| 118 | foreach ($graph->resources() as $resource) { |
| 119 | $map[$resource->getUri()] = common_Utils::getNewUri(); |
| 120 | } |
| 121 | |
| 122 | $format = Format::getFormat('php'); |
| 123 | $data = $graph->serialise($format); |
| 124 | |
| 125 | foreach ($data as $subjectUri => $propertiesValues) { |
| 126 | $resource = new core_kernel_classes_Resource($map[$subjectUri]); |
| 127 | $subreport = $this->importProperties($resource, $propertiesValues, $map, $class); |
| 128 | $report->add($subreport); |
| 129 | } |
| 130 | |
| 131 | return $report; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Import the properties of the resource |
| 136 | * |
| 137 | * @param core_kernel_classes_Resource $resource |
| 138 | * @param array $propertiesValues |
| 139 | * @param array $map |
| 140 | * @param core_kernel_classes_Class $class |
| 141 | * @return common_report_Report |
| 142 | */ |
| 143 | protected function importProperties(core_kernel_classes_Resource $resource, $propertiesValues, $map, $class) |
| 144 | { |
| 145 | if (isset($propertiesValues[OntologyRdf::RDF_TYPE])) { |
| 146 | // assuming single Type |
| 147 | if (count($propertiesValues[OntologyRdf::RDF_TYPE]) > 1) { |
| 148 | return new common_report_Report( |
| 149 | common_report_Report::TYPE_ERROR, |
| 150 | __('Resource not imported due to multiple types') |
| 151 | ); |
| 152 | } else { |
| 153 | foreach ($propertiesValues[OntologyRdf::RDF_TYPE] as $k => $v) { |
| 154 | $classType = isset($map[$v['value']]) |
| 155 | ? new core_kernel_classes_Class($map[$v['value']]) |
| 156 | : $class; |
| 157 | //$resource->setType($classType); |
| 158 | $classType->createInstance(null, null, $resource->getUri()); |
| 159 | } |
| 160 | } |
| 161 | unset($propertiesValues[OntologyRdf::RDF_TYPE]); |
| 162 | } |
| 163 | |
| 164 | if (isset($propertiesValues[OntologyRdfs::RDFS_SUBCLASSOF])) { |
| 165 | $resource = new core_kernel_classes_Class($resource); |
| 166 | // assuming single subclass |
| 167 | if ( |
| 168 | isset($propertiesValues[OntologyRdf::RDF_TYPE]) |
| 169 | && count($propertiesValues[OntologyRdf::RDF_TYPE]) > 1 |
| 170 | ) { |
| 171 | return new common_report_Report( |
| 172 | common_report_Report::TYPE_ERROR, |
| 173 | __('Resource not imported due to multiple super classes') |
| 174 | ); |
| 175 | } |
| 176 | foreach ($propertiesValues[OntologyRdfs::RDFS_SUBCLASSOF] as $k => $v) { |
| 177 | $classSup = isset($map[$v['value']]) |
| 178 | ? new core_kernel_classes_Class($map[$v['value']]) |
| 179 | : $class; |
| 180 | $resource->setSubClassOf($classSup); |
| 181 | } |
| 182 | |
| 183 | unset($propertiesValues[OntologyRdfs::RDFS_SUBCLASSOF]); |
| 184 | } |
| 185 | foreach ($propertiesValues as $prop => $values) { |
| 186 | $property = new core_kernel_classes_Property(isset($map[$prop]) ? $map[$prop] : $prop); |
| 187 | foreach ($values as $k => $v) { |
| 188 | $value = isset($map[$v['value']]) ? $map[$v['value']] : $v['value']; |
| 189 | if (isset($v['lang'])) { |
| 190 | $resource->setPropertyValueByLg($property, $value, $v['lang']); |
| 191 | } else { |
| 192 | $resource->setPropertyValue($property, $value); |
| 193 | } |
| 194 | } |
| 195 | } |
| 196 | $msg = $resource instanceof core_kernel_classes_Class |
| 197 | ? __('Successfully imported class "%s"', $resource->getLabel()) |
| 198 | : __('Successfully imported "%s"', $resource->getLabel()); |
| 199 | |
| 200 | return new common_report_Report(common_report_Report::TYPE_SUCCESS, $msg, $resource); |
| 201 | } |
| 202 | } |