function enlargeNeoDatabase($unifiedName)
{
$client = new Everyman\Neo4j\Client('localhost', 7474);
$client->getTransport()->setAuth('neo4j', 'muresearch');
//Check if the author exists
$exist = FALSE;
$authorExists = "match (u:Person {name: \"" . $unifiedName . "\"}) return u";
$query = new Query($client, $authorExists);
$result = $query->getResultSet();
foreach ($result as $r) {
$exist = TRUE;
}
if (!$exist) {
//Author does not exists. Must be of Mizzou
$crawler = new CoauthorNetworkCrawler($unifiedName, $affiliation = "University of Missouri");
$crawler->insertDB('localhost', 7474, 'neo4j', 'muresearch');
$setHasSearched = "match (u:Person {name: \"" . $unifiedName . "\"}) set u.hasSearched = 1";
$query = new Query($client, $setHasSearched);
$result = $query->getResultSet();
return;
}
//Check if we need to crawl the network for this author while the author already exists.
$hasSearched = "match (u:Person {name: \"" . $unifiedName . "\"}) return has(u.hasSearched) as hasSearched";
$query = new Query($client, $hasSearched);
$result = $query->getResultSet();
foreach ($result as $r) {
if ($r['hasSearched']) {
//The user has been searched before. No need to re-search it
return;
} else {
//The user has NOT been seasrched before.
//Get the affiliation of this user
$getAffiliation = "match (u:Person {name: \"" . $unifiedName . "\"}) return u.affiliation as affiliation";
$query = new Query($client, $getAffiliation);
$result = $query->getResultSet();
foreach ($result as $r) {
if (!empty($r['affiliation'])) {
//Affiliation info presented
$affiliation = filterAffiliation($r['affiliation']);
} else {
//Affiliation info empty
$affiliation = "";
}
}
$setHasSearched = "match (u:Person {name: \"" . $unifiedName . "\"}) set u.hasSearched = 1";
$query = new Query($client, $setHasSearched);
$result = $query->getResultSet();
//echo $affiliation."\n";
$crawler = new CoauthorNetworkCrawler($unifiedName, $affiliation);
//print_r($crawler->crawlPubmed());
$crawler->insertDB('localhost', 7474, 'neo4j', 'muresearch');
return;
}
}
}
return false;
}
}
function checkDataFormat1stLevel($var)
{
if (is_array($var)) {
$key = array_keys($var);
$val = array_values($var);
$count = count($var);
for ($i = 0; $i < $count; $i++) {
if (!is_int($key[$i]) || !checkDataFormat2ndLevel($val)) {
return false;
}
}
return true;
} else {
return false;
}
}
if (isset($_POST['data'])) {
$var = json_decode($_POST['data']) or die("posted data not in json format");
//if (checkDataFormat1stLevel($var)) {
$c = new CoauthorNetworkCrawler(null, null);
$c->insertDB($host, $port, $username, $auth, $var);
//}
//else{
// print("something wrong in the format of the posted data");
//}
} else {
print "This file should be posted";
}