/**
* Correct quantity list price calculations by cart item.
*
* Basically, calculate the price of the item's options (ie. item price - base
* product price).
*
* @param array $list
* @param Mage_Sales_Model_Quote_Item $item
* @return array
*/
public function correctPriceCalculationsByCartItem(array $list, Mage_Sales_Model_Quote_Item $item)
{
if (count($list) && $item) {
$qty = (double) $item->getQty();
$qtyKey = $this->getQtyKey($qty);
$optionsPrice = null;
$optionsPriceInclTax = null;
// if we have applied an overriding price on the item we can run an easier calculation method, se the else block for that
if (!$item->hasCustomPrice()) {
/* @var Mage_Catalog_Model_Product_Type_Price $priceModel */
$priceModel = $this->getProductPriceModel($item->getProduct(), true);
/* @var Mage_Catalog_Model_Product $product */
$product = Mage::getModel('catalog/product')->load($item->getProduct()->getId());
// calculate normal product price based on item quantity
$productPrice = Mage::helper('core')->currency($priceModel->getFinalPrice($qty, $product), false, false);
$productPriceInclTax = Mage::helper('tax')->getPrice($product, $productPrice, true, null, null, null, null, null, false);
// calculate option prices (item price - product base price)
$optionsPrice = $item->getConvertedPrice() - $productPrice;
$optionsPriceInclTax = $item->getPriceInclTax() - $productPriceInclTax;
} else {
// just fetch the overriding price which has been used from the quantity option list
// and calculate the options price as item price - overriding price, that's it.
if (isset($list[$qtyKey]) && isset($list[$qtyKey]['p']) && isset($list[$qtyKey]['p']['pu'])) {
$optionsPrice = $item->getConvertedPrice() - (double) $list[$qtyKey]['p']['pu'];
}
if (isset($list[$qtyKey]) && isset($list[$qtyKey]['p']) && isset($list[$qtyKey]['p']['iu'])) {
$optionsPriceInclTax = $item->getPriceInclTax() - (double) $list[$qtyKey]['p']['iu'];
}
}
// if there was an additional option based price on the item, add that additional price to all quantity options, correcting their initial calculations
if (!is_null($optionsPrice) && $optionsPrice > 0) {
foreach ($list as $key => $option) {
$list[$key]['p']['p'] += $optionsPrice * $option['qty'];
$list[$key]['p']['pu'] += $optionsPrice;
if (isset($list[$key]['p']['o'])) {
$list[$key]['p']['o'] += $optionsPrice * $option['qty'];
$list[$key]['p']['ou'] += $optionsPrice;
}
if (isset($list[$key]['p']['e'])) {
$list[$key]['p']['e'] += $optionsPrice * $option['qty'];
$list[$key]['p']['eu'] += $optionsPrice;
}
if (isset($list[$key]['p']['i']) && !is_null($optionsPriceInclTax) && $optionsPriceInclTax > 0) {
$list[$key]['p']['i'] += $optionsPriceInclTax * $option['qty'];
$list[$key]['p']['iu'] += $optionsPriceInclTax;
}
}
}
}
return $list;
}
/**
* Returns the item's original editable price
*
* @param Mage_Sales_Model_Quote_Item $item
* @return float
*/
public function getOriginalEditablePrice($item)
{
if ($item->hasOriginalCustomPrice()) {
$result = $item->getOriginalCustomPrice() * 1;
} elseif ($item->hasCustomPrice()) {
$result = $item->getCustomPrice() * 1;
} else {
if (Mage::helper('tax')->priceIncludesTax($this->getStore())) {
$result = $item->getPriceInclTax() * 1;
} else {
$result = $item->getOriginalPrice() * 1;
}
}
return $result;
}
/**
* Retenders the item's redemption rules and final row total and returns it.
* @param Mage_Sales_Model_Quote_Item $item
* @return array a map of the new item redemption data:
* array('redemptions_data'=>{...}, 'row_total'=>float)
*/
protected function getUpdatedRedemptionData($item, $do_incl_tax = true)
{
// Step 1: Create a map of usability for all applied redemptions
//echo "$item->getRedeemedPointsHash()";
$redeemed_points = Mage::helper('rewards')->unhashIt($item->getRedeemedPointsHash());
// Prepare data from item and initalize counters
if ($item->getQuote()) {
$store_currency = round($item->getQuote()->getStoreToQuoteRate(), 4);
}
if ($item->getOrder()) {
$store_currency = round($item->getOrder()->getStoreToQuoteRate(), 4);
}
if ($item->hasCustomPrice()) {
$product_price = (double) $item->getCustomPrice() * $store_currency;
} else {
//@nelkaake -a 17/02/11: We need to use our own calculation because the one that was set by the
// rest of the Magento system is rounded.
if (Mage::helper('tax')->priceIncludesTax() && $item->getPriceInclTax()) {
$product_price = $item->getPriceInclTax() / (1 + $item->getTaxPercent() / 100);
} else {
$product_price = (double) $item->getPrice() * $store_currency;
}
}
if ($item->getParentItem() || sizeof($redeemed_points) == 0) {
return array('redemptions_data' => array(), 'row_total_incl_tax' => $item->getRowTotalInclTax(), 'row_total' => $item->getRowTotal());
}
$total_qty = $item->getQty();
$total_qty_redeemed = 0.0;
$row_total = 0.0;
$new_redeemed_points = array();
$ret = array();
// Loop through and apply all our rules.
foreach ($redeemed_points as $key => &$redemption_instance) {
$redemption_instance = (array) $redemption_instance;
$applic_qty = $redemption_instance[self::POINTS_APPLICABLE_QTY];
$rule_id = $redemption_instance[self::POINTS_RULE_ID];
$effect = $redemption_instance[self::POINTS_EFFECT];
$uses = isset($redemption_instance[self::POINTS_USES]) ? (int) $redemption_instance[self::POINTS_USES] : 1;
$rule = Mage::helper('rewards/rule')->getCatalogRule($rule_id);
// If a rule was turned off at some point in the back-end it should be removed and not calculated in the cart anymore.
if (!$rule->getIsActive()) {
$this->removeCatalogRedemptionsFromItem($item, array($rule_id));
$effect = "";
}
$total_qty_remain = $total_qty - $total_qty_redeemed;
if ($total_qty_remain > 0) {
if ($total_qty_remain < $applic_qty) {
$applic_qty = $total_qty_remain;
$redemption_instance[TBT_Rewards_Model_Redeem::POINTS_APPLICABLE_QTY] = $applic_qty;
}
$price_after_redem = $this->getPriceAfterEffect($product_price, $effect, $item);
$row_total += $applic_qty * (double) $price_after_redem;
$total_qty_redeemed += $applic_qty;
$new_redeemed_points[] = $redemption_instance;
} else {
$redemption_instance[TBT_Rewards_Model_Catalogrule_Rule::POINTS_APPLICABLE_QTY] = 0;
$redemption_instance[TBT_Rewards_Model_Catalogrule_Rule::POINTS_USES] = 1;
// used once by default
unset($redeemed_points[$key]);
}
}
$ret['redemptions_data'] = $new_redeemed_points;
// Add in the left over products that perhaps weren't affected by qty adjustment.
$total_qty_remain = $total_qty - $total_qty_redeemed;
if ($total_qty_remain < 0) {
$total_qty_remain = 0;
$total_qty_redeemed = $total_qty;
//throw new Exception("Redemption rules may be overlapping. Please notify the store administrator of this error.");
}
$row_total += $total_qty_remain * (double) $product_price;
$ret['row_total'] = $row_total;
$ret['row_total_incl_tax'] = $row_total * (1 + $item->getTaxPercent() / 100);
return $ret;
}
