public function redemptions($reload = false)
{
if (!$this->redemptions_cache || $reload) {
$discount_id = mysql_real_escape_string($this->discount_id);
$id = mysql_real_escape_string($this->item_id);
$filter = "discount_codes.id = '{$discount_id}' AND cart_items.object_class = ";
switch ($this->item_class) {
case 'EventTicket':
$filter .= "'EventSignup' AND event_signups.event_ticket_id = '{$id}'";
break;
case 'Service':
$filter .= "'EventService' AND event_services.service_id = '{$id}'";
break;
}
$this->redemptions_cache = DiscountRedemption::find_all($filter);
}
return $this->redemptions_cache;
}
public function cost($unpaid_only = false, $ignore_discounts = false)
{
$total = 0;
// Total items in cart
foreach ($this->items() as $item) {
if (!$unpaid_only or !$item->paid) {
$total += $item->cost($unpaid_only, $ignore_discounts);
}
}
if (!$ignore_discounts) {
// If a full cart discount has been applied, discount it now
if ($this->full_cart_discount()) {
$id = mysql_real_escape_string($this->id);
$discounts = DiscountRedemption::find_all("discount_redemptions.cart_id = '{$id}' AND discount_redemptions.cart_item_id IS NULL");
foreach ($discounts as $discount) {
$total = $discount->discount->apply_discount($total);
}
}
}
if ($total < 0) {
$total = 0;
}
return $total;
}
public function complete()
{
if (isset($_GET['merchant_return_link'])) {
$id = $_GET['id'];
Redirect("payments/{$id}/complete");
}
$id = mysql_real_escape_string($_GET['id']);
$user_id = mysql_real_escape_string(Site::CurrentUser()->id);
$cart = Cart::find("carts.user_id = '{$user_id}' AND carts.id = '{$id}'");
if ($cart) {
// Validate Cart
foreach ($cart->items() as $item) {
if ($item->object == null) {
Error404();
}
}
$signups = $cart->get_signups();
if (count($signups) == 1) {
$this->assign("signup", current($signups));
}
$redemptions = array();
if ($cart->full_cart_discount()) {
$id = mysql_real_escape_string($cart->id);
$redemptions = DiscountRedemption::find_all("discount_redemptions.cart_id = '{$id}' and discount_redemptions.cart_item_id is null");
}
$this->assign("cart", $cart);
$this->assign("cart_discounts", $redemptions);
$this->title = "Payment Complete";
$this->render("paymenttransaction/complete.tpl");
} else {
Error404();
}
}
public function redeem($cart)
{
// Check the discount is valid
if (!$this->is_valid()) {
throw new Error500('Discount is not valid');
}
// Check the cart hasn't been fully discounted already
if ($cart->has_exclusive_discount()) {
throw new Error500('This cart cannot have any more discounts');
}
if ($this->exclusive && count($cart->discounts()) > 0) {
throw new Error500('You cannot add this discount while there are other discounts');
}
// Grab all cart items referenced by a discount
$id = mysql_real_escape_string($cart->id);
$discounts = DiscountRedemption::find_all("carts.id = '{$id}'");
foreach ($discounts as $discount) {
if ($discount->discount->id == $this->id) {
throw new Error500('That discount has already been added');
}
}
if ($this->loyalty) {
$user_id = mysql_real_escape_string($cart->user_id);
$id = mysql_real_escape_string($this->id);
$ld = LoyaltyDiscount::find("users.id = '{$user_id}' AND discount_codes.id = '{$id}'");
if (!$ld) {
throw new Error500('You are not allowed to use this discount');
}
}
// If this is a full cart discount, apply it
if ($this->full_cart_discount) {
$this->add_for_cart($cart);
return true;
}
// Let's get some sorted discount items
$services = array();
foreach ($this->services() as $item) {
$services[] = $item->item->id;
}
$tickets = array();
foreach ($this->tickets() as $item) {
$tickets[] = $item->item->id;
}
$discounted = false;
$count = $this->count_redemptions();
$availableQuantity = $this->quantity - $count;
foreach ($cart->items() as $item) {
if ($availableQuantity <= 0) {
break;
}
// We now need to check if the item can be discounted
if (is_a($item->object, 'EventSignup')) {
// We need to check the item's EventTicket
if (!in_array($item->object->event_ticket_id, $tickets)) {
continue;
}
} elseif (is_a($item->object, 'EventService')) {
// Check that the Service is allowed
if (!in_array($item->object->service_id, $services)) {
continue;
}
}
$this->add_for_cart($cart, $item);
$discounted = true;
$availableQuantity--;
}
if (!$discounted) {
throw new Error500('There is nothing that can be discounted');
}
return true;
}
