| [136] | 1 | <?php
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| 2 |
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| 3 | class ApplicationRDFReader
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| 4 | {
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| 5 | protected $model;
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| 6 | protected $fileName;
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| 7 |
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| 8 | public function __construct()
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| 9 | {
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| 10 | $this->fileName = 'data/applications/applications.rdf';
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| 11 |
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| 12 | $this->reloadApplications();
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| 13 | }
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| 14 |
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| 15 | public function reloadApplications()
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| 16 | {
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| 17 | // Create empty MemModel
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| 18 | $factory = new ModelFactory();
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| 19 | $this->model = $factory->getDefaultModel();
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| 20 |
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| 21 | if(file_exists($this->fileName))
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| 22 | $this->model->load($this->fileName);
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| 23 | }
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| 24 |
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| 25 | public function readApplicationInfo($applicationID)
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| 26 | {
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| 27 | $this->reloadApplications();
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| 28 |
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| 29 | $querystring = '
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| 30 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 31 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 32 | SELECT ?title ?description ?style
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| 33 | WHERE
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| 34 | {
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| 35 | _application predicates:resource_type resources:application ;
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| 36 | predicates:uid "' . $applicationID . '" ;
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| 37 | predicates:title ?title ;
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| 38 | predicates:description ?description ;
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| 39 | predicates:style ?style
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| 40 | }';
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| 41 |
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| 42 | $result = $this->model->sparqlQuery($querystring);
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| 43 |
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| 44 | return $result;
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| 45 | }
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| 46 |
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| 47 | public function readAllApplications()
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| 48 | {
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| 49 | $result = array();
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| 50 | $result[] = $this->readApplicationIDs();
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| 51 | $result[] = $this->readApplicationTitles();
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| 52 | $result[] = $this->readApplicationDescriptions();
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| 53 | $result[] = $this->readApplicationStyles();
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| 54 |
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| 55 | return $result;
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| 56 | }
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| 57 |
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| 58 | public function readApplicationIDs()
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| 59 | {
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| 60 | $querystring = '
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| 61 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 62 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 63 | SELECT ?uid
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| 64 | WHERE
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| 65 | {
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| 66 | _application predicates:resource_type resources:application ;
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| 67 | predicates:uid ?uid
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| 68 | }';
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| 69 |
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| 70 | $result = $this->model->sparqlQuery($querystring);
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| 71 |
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| 72 | return $result;
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| 73 | }
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| 74 |
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| 75 | public function readApplicationTitles()
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| 76 | {
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| 77 | $querystring = '
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| 78 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 79 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 80 | SELECT ?title
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| 81 | WHERE
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| 82 | {
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| 83 | _application predicates:resource_type resources:application ;
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| 84 | predicates:title ?title
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| 85 | }';
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| 86 |
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| 87 | $result = $this->model->sparqlQuery($querystring);
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| 88 |
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| 89 | return $result;
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| 90 | }
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| 91 |
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| 92 | public function readApplicationDescriptions()
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| 93 | {
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| 94 | $querystring = '
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| 95 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 96 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 97 | SELECT ?description
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| 98 | WHERE
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| 99 | {
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| 100 | _application predicates:resource_type resources:application ;
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| 101 | predicates:description ?description
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| 102 | }';
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| 103 |
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| 104 | $result = $this->model->sparqlQuery($querystring);
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| 105 |
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| 106 | return $result;
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| 107 | }
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| 108 |
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| 109 | public function readApplicationStyles()
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| 110 | {
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| 111 | $querystring = '
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| 112 | PREFIX predicates: <' . SURVEYTOOL_PREDICATES_NAMESPACE . '>
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| 113 | PREFIX resources: <' . SURVEYTOOL_RESOURCES_NAMESPACE . '>
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| 114 | SELECT ?style
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| 115 | WHERE
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| 116 | {
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| 117 | _application predicates:resource_type resources:application ;
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| 118 | predicates:style ?style
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| 119 | }';
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| 120 |
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| 121 | $result = $this->model->sparqlQuery($querystring);
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| 122 |
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| 123 | return $result;
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| 124 | }
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| 125 | }
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| 126 |
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| 127 | ?> |
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