/**
* Matches a Promo Code rule to a code submitted from the shopping cart
*
* @since 1.1
*
* @param array $rule The promo code rule
* @return boolean
**/
function promocode ($rule) {
extract($rule);
$promocode = strtolower($value);
// Match previously applied codes
if (isset($this->Cart->promocodes[$promocode])
&& is_array($this->Cart->promocodes[$promocode])) return true;
// Match new codes
// No code provided, nothing will match
if (empty($this->Cart->promocode)) return false;
$subject = strtolower($this->Cart->promocode);
return Promotion::match_rule($subject,$logic,$promocode,$property);
}
/**
* Match a rule to the item
*
* @since 1.1
*
* @param array $rule A structured rule array
* @return boolean
**/
function match ($rule) {
extract($rule);
switch($property) {
case "Any item name": $subject = $this->name; break;
case "Any item quantity": $subject = (int)$this->quantity; break;
case "Any item amount": $subject = $this->total; break;
case "Name": $subject = $this->name; break;
case "Category": $subject = $this->categories; break;
case "Tag name": $subject = $this->tags; break;
case "Variation": $subject = $this->option->label; break;
// case "Input name": $subject = $Item->option->label; break;
// case "Input value": $subject = $Item->option->label; break;
case "Quantity": $subject = $this->quantity; break;
case "Unit price": $subject = $this->unitprice; break;
case "Total price": $subject = $this->total; break;
case "Discount amount": $subject = $this->discount; break;
}
return Promotion::match_rule($subject,$logic,$value,$property);
}
/**
* promotions()
* Matches, calculates and applies promotion discounts */
function promotions()
{
global $Shopp;
$db = DB::get();
$limit = $Shopp->Settings->get('promo_limit');
// Load promotions if they've not yet been loaded
if (empty($this->data->Promotions)) {
$promo_table = DatabaseObject::tablename(Promotion::$table);
// Add date-based lookup too
$this->data->Promotions = $db->query("SELECT * FROM {$promo_table} WHERE scope='Order' AND ((status='enabled' AND UNIX_TIMESTAMP(starts) > 0 AND UNIX_TIMESTAMP(starts) < UNIX_TIMESTAMP() AND UNIX_TIMESTAMP(ends) > UNIX_TIMESTAMP()) OR status='enabled')", AS_ARRAY);
}
$PromoCodeFound = false;
$PromoCodeExists = false;
$PromoLimit = false;
$this->data->PromosApplied = array();
foreach ($this->data->Promotions as &$promo) {
if (!is_array($promo->rules)) {
$promo->rules = unserialize($promo->rules);
}
// Add quantity rule automatically for buy x get y promos
if ($promo->type == "Buy X Get Y Free") {
$promo->search = "all";
if ($promo->rules[count($promo->rules) - 1]['property'] != "Item quantity") {
$qtyrule = array('property' => 'Item quantity', 'logic' => "Is greater than", 'value' => $promo->buyqty);
$promo->rules[] = $qtyrule;
}
}
$items = array();
$match = false;
$rulematches = 0;
foreach ($promo->rules as $rule) {
$rulematch = false;
switch ($rule['property']) {
case "Item name":
foreach ($this->contents as $id => &$Item) {
if (Promotion::match_rule($Item->name, $rule['logic'], $rule['value'], $rule['property'])) {
$items[$id] =& $Item;
$rulematch = true;
}
}
break;
case "Item quantity":
foreach ($this->contents as $id => &$Item) {
if (Promotion::match_rule(number_format($Item->quantity, 0), $rule['logic'], $rule['value'], $rule['property'])) {
$items[$id] =& $Item;
$rulematch = true;
}
}
break;
case "Item amount":
foreach ($this->contents as $id => &$Item) {
if (Promotion::match_rule(number_format($Item->total, 2), $rule['logic'], $rule['value'], $rule['property'])) {
$items[$id] =& $Item;
$rulematch = true;
}
}
break;
case "Total quantity":
if (Promotion::match_rule(number_format($this->data->Totals->quantity, 0), $rule['logic'], $rule['value'], $rule['property'])) {
$rulematch = true;
}
break;
case "Shipping amount":
if (Promotion::match_rule(number_format($this->data->Totals->shipping, 2), $rule['logic'], $rule['value'], $rule['property'])) {
$rulematch = true;
}
break;
case "Subtotal amount":
if (Promotion::match_rule(number_format($this->data->Totals->subtotal, 2), $rule['logic'], $rule['value'], $rule['property'])) {
$rulematch = true;
}
break;
case "Promo code":
// Match previously applied codes
if (is_array($this->data->PromoCodes) && in_array($rule['value'], $this->data->PromoCodes)) {
$rulematch = true;
break;
}
// Match a new code
if (!empty($this->data->PromoCode)) {
if (Promotion::match_rule($this->data->PromoCode, $rule['logic'], $rule['value'], $rule['property'])) {
if (is_array($this->data->PromoCodes) && !in_array($this->data->PromoCode, $this->data->PromoCodes)) {
$this->data->PromoCodes[] = $rule['value'];
$PromoCodeFound = $rule['value'];
} else {
$PromoCodeExists = true;
}
$this->data->PromoCode = false;
$rulematch = true;
}
}
break;
}
if ($rulematch && $promo->search == "all") {
$rulematches++;
}
if ($rulematch && $promo->search == "any") {
$match = true;
break;
// One matched, no need to match any more
}
}
// end foreach ($promo->rules)
if ($promo->search == "all" && $rulematches == count($promo->rules)) {
$match = true;
}
// Everything matches up, apply the promotion
if ($match && !$PromoLimit) {
// echo "Matched $promo->name".BR;
if (!empty($items)) {
$freeshipping = 0;
// Apply promo calculation to specific cart items
foreach ($items as $item) {
switch ($promo->type) {
case "Percentage Off":
$this->data->Totals->discount += $item->total * ($promo->discount / 100);
break;
case "Amount Off":
$this->data->Totals->discount += $promo->discount;
break;
case "Buy X Get Y Free":
$this->data->Totals->discount += floor($item->quantity / ($promo->buyqty + $promo->getqty)) * $item->unitprice;
break;
case "Free Shipping":
$freeshipping++;
break;
}
}
if ($freeshipping == count($this->contents) && $promo->scope == "Order") {
$this->freeshipping = true;
} else {
$this->freeshipping = false;
}
} else {
// Apply promo calculation to entire order
switch ($promo->type) {
case "Percentage Off":
$this->data->Totals->discount += $this->data->Totals->subtotal * ($promo->discount / 100);
break;
case "Amount Off":
$this->data->Totals->discount += $promo->discount;
break;
case "Free Shipping":
$this->freeshipping = true;
break;
}
}
$this->data->PromosApplied[] = $promo;
if ($limit > 0 && count($this->data->PromosApplied) + 1 > $limit) {
$PromoLimit = true;
break;
}
}
if ($match && $promo->exclusive == "on") {
break;
}
}
// end foreach ($Promotions)
// Promo code found, but ran into promotion limits
if (!empty($this->data->PromoCode) && $PromoLimit) {
$this->data->PromoCodeResult = __("No additional codes can be applied.", "Shopp");
$this->data->PromoCodes = array_diff($this->data->PromoCodes, array($PromoCodeFound));
$this->data->PromoCode = false;
}
// Promo code not found
if (!empty($this->data->PromoCode) && !$PromoCodeFound && !$PromoCodeExists) {
$this->data->PromoCodeResult = $this->data->PromoCode . ' ' . __("is not a valid code.", "Shopp");
$this->data->PromoCodes = array_diff($this->data->PromoCodes, array($this->data->PromoCode));
$this->data->PromoCode = false;
}
}
