38             $newGraph = new Graph($doc->uri->getUri());

    38             $newGraph = new Graph($doc->uri->getUri());

    39             $newGraph->add($doc->uri, "rdf:type", $newGraph->resource("http://www.openarchives.org/ore/terms/Aggregation"));

    39             $newGraph->add($doc->uri, "rdf:type", $newGraph->resource("http://www.openarchives.org/ore/terms/Aggregation"));

    40             $newGraph->add($doc->uri, "http://www.europeana.eu/schemas/edm/aggregatedCHO", $doc->doc);

    40             $newGraph->add($doc->uri, "http://www.europeana.eu/schemas/edm/aggregatedCHO", $doc->doc);

    41             $newGraph->add($doc->doc, "rdf:type", $newGraph->resource("http://www.europeana.eu/schemas/edm/ProvidedCHO"));

    41             $newGraph->add($doc->doc, "rdf:type", $newGraph->resource("http://www.europeana.eu/schemas/edm/ProvidedCHO"));

    42             $newGraph->add($doc->doc, "http://purl.org/dc/elements/1.1/title", $doc->title);

    42             $newGraph->add($doc->doc, "http://purl.org/dc/elements/1.1/title", $doc->title);

    43             if(isset($doc->issued)) {

    46             if(isset($doc->issued)) {

    44                 $newGraph->add($doc->doc, "http://purl.org/dc/terms/issued", $doc->issued);

    47                 $newGraph->add($doc->doc, "http://purl.org/dc/terms/issued", $doc->issued);

    45             }

    48             }

    46             if(isset($doc->modified)) {

    49             if(isset($doc->modified)) {

    47                 $newGraph->add($doc->doc, "http://purl.org/dc/terms/modified", $doc->modified);

    50                 $newGraph->add($doc->doc, "http://purl.org/dc/terms/modified", $doc->modified);

    53     }

    56     }

    54 

    57 

    55     public function all() {

    58     public function all() {

    56 

    59 

    57         return $this->queryDocs(

    60         return $this->queryDocs(

    59         "    WHERE {".

    62         "    WHERE {".

    60         "        GRAPH ?uri { ?doc a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.".

    63         "        GRAPH ?uri { ?doc a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.".

    61         "        ?doc <http://purl.org/dc/elements/1.1/title> ?title.".

    64         "        ?doc <http://purl.org/dc/elements/1.1/title> ?title.".

    62         "        OPTIONAL {?doc <http://purl.org/dc/terms/issued> ?issued.} ".

    66         "        OPTIONAL {?doc <http://purl.org/dc/terms/issued> ?issued.} ".

    63         "        OPTIONAL {?doc <http://purl.org/dc/terms/modified> ?modified.} }".

    67         "        OPTIONAL {?doc <http://purl.org/dc/terms/modified> ?modified.} }".

    64         "    } ORDER BY ?uri"

    68         "    } ORDER BY ?uri"

    65         );

    69         );

    66     }

    70     }

    77         //TODO: return null if not found

    81         //TODO: return null if not found

    78         if($doc->isEmpty()) {

    82         if($doc->isEmpty()) {

    79             return null;

    83             return null;

    80         }

    84         }

    81 

    85 

    83 

    88 

    84     }

    89     }

    85 

    90 

    86     /**

    91     /**

    87      * save document.

    92      * save document.

   141         $total = $this->getCount();

   146         $total = $this->getCount();

   142 

   147 

   143         $offset = max(0,($page - 1) * $perPage);

   148         $offset = max(0,($page - 1) * $perPage);

   144 

   149 

   145         $query =

   150         $query =

   147             "    WHERE {".

   152             "    WHERE {".

   148             "        GRAPH ?uri { ?doc a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.".

   153             "        GRAPH ?uri { ?doc a <http://www.europeana.eu/schemas/edm/ProvidedCHO>.".

   149             "        ?doc <http://purl.org/dc/elements/1.1/title> ?title.".

   154             "        ?doc <http://purl.org/dc/elements/1.1/title> ?title.".

   150             "        OPTIONAL {?doc <http://purl.org/dc/terms/issued> ?issued.} ".

   156             "        OPTIONAL {?doc <http://purl.org/dc/terms/issued> ?issued.} ".

   151             "        OPTIONAL {?doc <http://purl.org/dc/terms/modified> ?modified.} }".

   157             "        OPTIONAL {?doc <http://purl.org/dc/terms/modified> ?modified.} }".

   152             "    } ORDER BY ?uri OFFSET $offset LIMIT $perPage";

   158             "    } ORDER BY ?uri OFFSET $offset LIMIT $perPage";

   153 

   159 

   154         $results = $this->queryDocs($query);

   160         $results = $this->queryDocs($query);