$arxiv_id = trim($uid_array2[1]);
}
if ($uid_array2[0] == 'NASAADS') {
$nasa_id = trim($uid_array2[1]);
}
}
//FETCH FROM ARXIV
if (isset($_POST['fetch-arxiv']) && !empty($arxiv_id) && empty($doi) && isset($_POST['fetch-arxiv'])) {
$response = array();
fetch_from_arxiv($arxiv_id);
$_POST = array_merge($_POST, $response);
}
//FETCH FROM PUBMED
if (isset($_POST['fetch-pubmed']) && (!empty($pmid) || !empty($doi)) && isset($_POST['fetch-pubmed'])) {
$response = array();
fetch_from_pubmed($doi, $pmid);
$_POST = array_merge($_POST, $response);
}
// FETCH FROM NASA ADS
if (isset($_POST['fetch-nasaads']) && (!empty($doi) || !empty($nasa_id)) && empty($pmid) && isset($_POST['fetch-nasaads'])) {
$response = array();
fetch_from_nasaads($doi, $nasa_id);
$_POST = array_merge($_POST, $response);
}
// FETCH FROM CROSSREF
if (!empty($doi) && empty($pmid)) {
$response = array();
fetch_from_crossref($doi);
$_POST = array_merge($_POST, $response);
}
########## check for duplicate titles in table library ##########
}
if (isset($_GET['database_nasaads']) && $_GET['database_nasaads'] == '1' && empty($title)) {
fetch_from_nasaads($doi, '');
extract($response);
$uid = join("|", (array) $uid);
$url = join("|", (array) $url);
}
if (isset($_GET['database_crossref']) && $_GET['database_crossref'] == '1' && empty($title)) {
fetch_from_crossref($doi);
extract($response);
}
//TRY AGAIN WITH DOI ONE CHARACTER SHORTER
if (empty($title)) {
$doi = substr($doi, 0, -1);
if (isset($_GET['database_pubmed']) && $_GET['database_pubmed'] == '1') {
fetch_from_pubmed($doi, '');
extract($response);
$uid = join("|", (array) $uid);
$url = join("|", (array) $url);
}
if (isset($_GET['database_nasaads']) && $_GET['database_nasaads'] == '1' && empty($title)) {
fetch_from_nasaads($doi, '');
extract($response);
$uid = join("|", (array) $uid);
$url = join("|", (array) $url);
}
if (isset($_GET['database_crossref']) && $_GET['database_crossref'] == '1' && empty($title)) {
fetch_from_crossref($doi);
extract($response);
}
}
if (isset($_SESSION['proxy_port'])) {
$proxy_port = $_SESSION['proxy_port'];
}
if (isset($_SESSION['proxy_username'])) {
$proxy_username = $_SESSION['proxy_username'];
}
if (isset($_SESSION['proxy_password'])) {
$proxy_password = $_SESSION['proxy_password'];
}
}
include_once 'functions.php';
########## reference fetching from PubMed ##########
if (isset($_GET['id'])) {
########## open efetch, read xml ##########
$response = array();
fetch_from_pubmed('', intval($_GET['id']));
extract($response);
########## print results into table ##########
print '<form enctype="application/x-www-form-urlencoded" action="upload.php" method="POST" class="fetch-form">';
print '<div class="items">';
print '<div>';
if (!empty($journal_abbr)) {
print htmlspecialchars($journal_abbr);
}
if (empty($journal_abbr) && !empty($secondary_title)) {
print htmlspecialchars($secondary_title);
}
if (!empty($year)) {
print " (" . htmlspecialchars($year) . ")";
}
if (!empty($volume)) {
if (!empty($_POST['doi'])) {
$pubmed_query = $_POST['doi'] . '[AID]';
}
$request_url = "http://www.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=Pubmed&term={$pubmed_query}&usehistory=y&retstart=0&retmax=1&sort=&tool=I,Librarian&email=i.librarian.software@gmail.com";
$xml = proxy_simplexml_load_file($request_url, $proxy_name, $proxy_port, $proxy_username, $proxy_password);
if (empty($xml)) {
die('Error! I, Librarian could not connect with an external web service. This usually indicates that you access the Web through a proxy server. Enter your proxy details in Tools->Settings. Alternatively, the external service may be temporarily down. Try again later.');
}
$count = $xml->Count;
if ($count == 1) {
$pmid = $xml->IdList->Id;
}
}
if (!empty($pmid)) {
//FETCH FROM PUBMED
fetch_from_pubmed('', $pmid);
if (isset($response['uid'])) {
$response['uid'] = array_merge_recursive($_POST['uid'], $response['uid']);
$response['uid'] = array_unique($response['uid']);
}
$_POST = array_replace_recursive($_POST, $response);
} else {
$error = "Error! Unique record not found in PubMed.";
}
if (empty($response['title'])) {
$error = "Error! Unique record not found in PubMed.";
}
}
if ($_POST['database'] == 'nasaads') {
if (empty($nasa_id) && empty($doi)) {
$lookfor_query = array();
