recofb.php~

<?php

session_start();
$userid = $_SESSION['afeluserid'];
$scope = $_POST['scope'];
$ascope = array();

foreach($scope as $s){
    $ascope[] = 'http://dbpedia.org/resource/Category:'.$s; 
}

// print_r($ascope);

// add item based on scope to reco with random ID
// user based IDs to avoid multiplications...?
$iid = "scope-".uniqid();

// for test $iid = 'http://www.open.edu/openlearn/science-maths-technology/mathematics-and-statistics/statistics/risk-the-skies';

$data = array(
    "id" => $iid,
    "title" => "userscope",
    "author" => "user",
    "categories" => array(),
    "tags" => array(),
    "dbPediaEntities" => array(),
    "description" => "a scope",
    "type" => "user scope",
    "dbPediaCategories" => $ascope
);

$data_string = json_encode($data);

$ch = curl_init('http://afel-rec.know-center.tugraz.at/afel/data/item');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERPWD, "reco1::eN9@L+Bl4l~29#?5");
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'Content-Length: ' . strlen($data_string))
);
$result = curl_exec($ch);

// print_r($result);

// do content based filtering
// add filter

$profile = "afel_cb";
$data = array("maxRecommResults" => 10,
              "recommProfileName" => $profile,
              "userId" => $userid,
              "itemId" => $iid,
"filters" => array(
    "connector" => "AND",
    "filterObjects" => array(
        array(
            "connector" => "AND",
            "dbpediaEntities"=> array("xxxopenlearnxxx")
        )
    )
)
);
$data_string = json_encode($data);
$ch = curl_init('http://afel-rec.know-center.tugraz.at/afel/recomm');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_USERPWD, "reco1::eN9@L+Bl4l~29#?5");
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
    'Content-Type: application/json',
    'Content-Length: ' . strlen($data_string))
);
$result = curl_exec($ch);

$dres = json_decode($result);

print_r(json_encode($dres));

/* $toreturn = array();

foreach ($dres->recomms as $rec){
    $url = 'http://localhost:9200/didactalia-activity-base/resource/'.$rec;
    $curl = curl_init();
    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $res = curl_exec($curl);
    curl_close($curl);
    $item = json_decode($res);
    $rurl = "";
    if (isset($item->{_source}->resource_url)){
        $rurl = $item->{_source}->resource_url;
    }
    else if (isset($item->{_source}->link)){
        $rurl = $item->{_source}->link;
    } 
    $ditem = array("title" => $item->{_source}->title, "url"=> $rurl);
    $toreturn[] = $ditem;
}

echo json_encode($toreturn); */