/**
* @param String $acsId
* @param EContentCheckout $eContentCheckout
* @return null|string
*/
static function mintDownloadLink($acsId, $eContentCheckout)
{
global $configArray;
global $user;
if ($user == false) {
return null;
}
if (is_null($acsId) || strlen($acsId) == 0) {
return null;
}
//First check to see if we have already minted a download link for this resource
//And this user that hasn't been returned.
if ($eContentCheckout->acsTransactionId == null || $eContentCheckout->acsDownloadLink == null) {
$transactionId = self::getUniqueID();
$eContentCheckout->acsTransactionId = $transactionId;
$dateval = time();
$gbauthdate = gmdate('r', $dateval);
$rights = "";
$acsId = trim($acsId);
if (strpos($acsId, "urn:uuid:") === FALSE) {
$acsId = "urn:uuid:" . $acsId;
}
$bookDownloadURL = "action=enterloan" . "&ordersource=" . urlencode($configArray['EContent']['orderSource']) . "&orderid=" . urlencode($transactionId) . "&resid=" . urlencode($acsId) . $rights . "&gbauthdate=" . urlencode($gbauthdate) . "&dateval=" . urlencode($dateval) . "&gblver=4";
$linkURL = $configArray['EContent']['linkURL'];
if (isset($configArray['EContent']['linkURL']) && strlen($configArray['EContent']['linkURL']) > 0) {
$sharedSecret = $configArray['EContent']['distributorSecret'];
$sharedSecret = base64_decode($sharedSecret);
$bookDownloadURL = $linkURL . "?" . $bookDownloadURL . "&auth=" . hash_hmac("sha1", $bookDownloadURL, $sharedSecret);
$eContentCheckout->acsDownloadLink = $bookDownloadURL;
$eContentCheckout->update();
return $bookDownloadURL;
} else {
return null;
}
} else {
return $eContentCheckout->acsDownloadLink;
}
}
function getAvailability()
{
global $configArray;
if ($this->availability == null) {
$this->availability = array();
require_once ROOT_DIR . '/sys/eContent/EContentAvailability.php';
$eContentAvailability = new EContentAvailability();
$eContentAvailability->recordId = $this->id;
$eContentAvailability->find();
while ($eContentAvailability->fetch()) {
$this->availability[] = clone $eContentAvailability;
}
if (strcasecmp($this->source, "OverDrive") == 0) {
require_once ROOT_DIR . '/Drivers/OverDriveDriverFactory.php';
$driver = OverDriveDriverFactory::getDriver();
//echo("Loading availability from overdrive, part of " . count($this->availability) . " collections");
foreach ($this->availability as $key => $tmpAvailability) {
//echo("\r\n{$tmpAvailability->libraryId}");
//Get updated availability for each library from overdrive
$productKey = $configArray['OverDrive']['productsKey'];
if ($tmpAvailability->libraryId != -1) {
$library = new Library();
$library->libraryId = $tmpAvailability->libraryId;
$library->find(true);
$productKey = $library->overdriveAdvantageProductsKey;
}
$realtimeAvailability = $driver->getProductAvailability($this->externalId, $productKey);
$tmpAvailability->copiesOwned = $realtimeAvailability->copiesOwned;
$tmpAvailability->availableCopies = $realtimeAvailability->copiesAvailable;
$tmpAvailability->numberOfHolds = $realtimeAvailability->numberOfHolds;
$this->availability[$key] = $tmpAvailability;
}
}
if (count($this->availability) == 0) {
//Did not get availability from the Availability table
if ($this->itemLevelOwnership) {
//Ownership is determined at the item level based on library ids set for the item. Assume unlimited availability
$items = $this->getItems();
foreach ($items as $item) {
$eContentAvailability = new EContentAvailability();
$eContentAvailability->recordId = $this->id;
$eContentAvailability->copiesOwned = 1;
$eContentAvailability->availableCopies = 1;
$eContentAvailability->numberOfHolds = 0;
$eContentAvailability->libraryId = $item->libraryId;
$this->availability[] = $eContentAvailability;
}
} else {
//Ownership is shared, based on information at record level
$eContentAvailability = new EContentAvailability();
$eContentAvailability->recordId = $this->id;
$eContentAvailability->copiesOwned = $this->availableCopies;
$checkouts = new EContentCheckout();
$checkouts->status = 'out';
$checkouts->recordId = $this->id;
$checkouts->find();
$curCheckouts = $checkouts->N;
if ($this->accessType == 'free') {
$this->availableCopies = 999999;
}
$eContentAvailability->availableCopies = $this->availableCopies - $curCheckouts;
$eContentAvailability->copiesOwned = $this->availableCopies;
$holds = new EContentHold();
$holds->whereAdd("status in ('active', 'suspended', 'available')");
$holds->recordId = $this->id;
$holds->find();
$eContentAvailability->numberOfHolds = $holds->N;
$eContentAvailability->onOrderCopies = $this->onOrderCopies;
$eContentAvailability->libraryId = -1;
}
}
}
return $this->availability;
}
public function getAccountSummary()
{
global $user;
$accountSummary = array();
if ($user) {
//Get a count of checked out items
$eContentCheckout = new EContentCheckout();
$eContentCheckout->status = 'out';
$eContentCheckout->userId = $user->id;
$eContentCheckout->find();
$accountSummary['numEContentCheckedOut'] = $eContentCheckout->N;
//Get a count of available holds
$eContentHolds = new EContentHold();
$eContentHolds->status = 'available';
$eContentHolds->userId = $user->id;
$eContentHolds->find();
$accountSummary['numEContentAvailableHolds'] = $eContentHolds->N;
//Get a count of unavailable holds
$eContentHolds = new EContentHold();
$eContentHolds->whereAdd("status IN ('active', 'suspended')");
$eContentHolds->userId = $user->id;
$eContentHolds->find();
$accountSummary['numEContentUnavailableHolds'] = $eContentHolds->N;
//Get a count of items on the wishlist
$eContentWishList = new EContentWishList();
$eContentWishList->status = 'active';
$eContentWishList->userId = $user->id;
$eContentWishList->find();
$accountSummary['numEContentWishList'] = $eContentWishList->N;
}
return $accountSummary;
}
public function returnTitle($itemId)
{
global $user;
if (!$user) {
return array('result' => false, 'message' => 'You must be logged in to return a title');
} else {
require_once ROOT_DIR . '/sys/eContent/EContentCheckout.php';
$eContentCheckout = new EContentCheckout();
$eContentCheckout->userId = $user->id;
$eContentCheckout->recordId = $this->getUniqueID();
$eContentCheckout->itemId = $itemId;
$eContentCheckout->status = 'out';
$eContentCheckout->protectionType = 'free';
if (!$eContentCheckout->find(true)) {
return array('result' => true, 'message' => 'This title is not checked out to you.');
} else {
global $configArray;
$eContentCheckout->dateReturned = time();
$eContentCheckout->status = 'returned';
if ($eContentCheckout->update()) {
return array('result' => true, 'message' => 'The title was returned successfully.');
} else {
return array('result' => false, 'message' => 'Unexpected error returning out the title.');
}
}
}
}
/**
* Process notifications from the ACS server when an item is checked out
* or returned.
**/
function launch()
{
global $configArray;
global $logger;
$post_body = file_get_contents('php://input');
if (isset($_POST['body'])) {
$post_body = $_POST['body'];
}
$logger->log("POST_BODY {$post_body}", PEAR_LOG_INFO);
$notificationData = new SimpleXMLElement($post_body);
//Check to see of the EPUB is being fulfilled or returned
$isFulfilled = strcasecmp((string) $notificationData->body->fulfilled, 'true') == 0;
$isReturned = strcasecmp((string) $notificationData->body->returned, 'true') == 0;
//Get the transactionId
$transactionId = (string) $notificationData->body->transaction;
//Get the user acsId
$userAcsId = (string) $notificationData->body->user;
if ($isFulfilled) {
if ($isReturned) {
$logger->log("Transaction {$transactionId} was returned, returning it in the catalog.", PEAR_LOG_INFO);
} else {
$logger->log("Transaction {$transactionId} was fulfilled, checking it out in the catalog.", PEAR_LOG_INFO);
}
} else {
$logger->log("Transaction {$transactionId} was not fulfilled or returned, ignoring it.", PEAR_LOG_INFO);
exit;
}
//Add a log entry for debugging.
$logger->log("Preparing to insert log entry for transaction", PEAR_LOG_INFO);
require_once ROOT_DIR . '/sys/eContent/AcsLog.php';
$acsLog = new AcsLog();
$acsLog->acsTransactionId = $transactionId;
$acsLog->fulfilled = $isFulfilled;
$acsLog->returned = $isReturned;
$acsLog->userAcsId = $userAcsId;
$ret = $acsLog->insert();
$logger->log("Inserted log entry result: {$ret}", PEAR_LOG_INFO);
//Update the database as appropriate
//Get the chckd out item for the transaction Id
require_once ROOT_DIR . '/sys/eContent/EContentCheckout.php';
$checkout = new EContentCheckout();
$checkout->acsTransactionId = $transactionId;
if ($checkout->find(true)) {
//Update the checkout to show
if ($isReturned) {
if ($checkout->status == 'out') {
//return the item
require_once ROOT_DIR . '/Drivers/EContentDriver.php';
$driver = new EContentDriver();
$driver->returnRecord($checkout->recordId);
}
} else {
//Update the checked out item with information from acs
if ($checkout->downloadedToReader == 0) {
$checkout->downloadedToReader = 1;
$checkout->dateFulfilled = time();
$checkout->userAcsId = $userAcsId;
$checkout->update();
}
//Mark that the record is downloaded
require_once ROOT_DIR . '/sys/eContent/EContentRecord.php';
$eContentRecord = new EContentRecord();
$eContentRecord->id = $checkout->recordId;
$eContentRecord->find(true);
require_once ROOT_DIR . '/Drivers/EContentDriver.php';
$driver = new EContentDriver();
$driver->recordEContentAction($checkout->recordId, 'Download', $eContentRecord->accessType);
}
}
}
