/**
* @todo use delta/absolute price
* @param shopProduct $product
* @param array $selected
* @param array $data
* @return array
*/
private function generateSku(shopProduct $product, $selected, &$data)
{
$skus = $product->skus;
if (empty($skus)) {
$skus = array();
}
#build features map for exists SKUs
$sku_map = array();
$product_features_model = new shopProductFeaturesModel();
foreach ($z = $product_features_model->getSkuFeatures($product->id) as $sku_id => $f) {
$key = "";
foreach ($f as $feature_id => $value_id) {
$key .= $feature_id . ":" . $value_id . ";";
}
$sku_map[$key] = $sku_id;
}
$map = array();
foreach ($data as $code => $d) {
$map[$d['feature_id']] = $code;
}
$default_sku = array('sku' => '', 'virtual' => 1, 'available' => 1, 'count' => null);
$i = 0;
foreach ($this->arrayCartesian($selected) as $features) {
$sku = array('name' => array(), 'features' => array(), 'price' => $product->base_price_selectable, 'compare_price' => $product->compare_price_selectable, 'purchase_price' => $product->purchase_price_selectable);
$sku_key = "";
$last_value_id = end($features);
foreach ($features as $feature_id => $value_id) {
$code = $map[$feature_id];
$value = $data[$code]['values'][$value_id];
$sku['features'][$code] = $value;
$sku['name'][] = ifset($value['value'], $value['id']);
#correct price
if (isset($data[$feature_id]['values'][$value_id]['price'])) {
self::parseSkuPrice($sku, $data[$feature_id]['values'][$value_id]['price']);
}
#set counts per stock
if (isset($data[$feature_id]['stock'])) {
self::parseSkuStock($sku, $data[$feature_id]['stock'], $value_id == $last_value_id ? count($f) : null);
}
$sku_key .= $feature_id . ":" . $value_id . ";";
$sku['key'] = $sku_key;
}
#concat name from feature values
$sku['name'] = implode(', ', $sku['name']);
if (isset($sku_map[$sku_key])) {
// already exists
$sku_id = $sku_map[$sku_key];
if (!empty($skus[$sku_id]['virtual'])) {
//update SKU if still virtual
$skus[$sku_id] = array_merge($skus[$sku_id], $sku);
}
$sku_map[$sku_key] = false;
} else {
# get free sku_id
do {
--$i;
} while (isset($skus[$i]));
$skus[$i] = array_merge($default_sku, $sku);
}
}
if ($product->id) {
// remove old virtual skus
$sku_map = array_filter($sku_map);
foreach ($sku_map as $key => $sku_id) {
if (isset($skus[$sku_id])) {
if (empty($skus[$sku_id]['virtual'])) {
unset($sku_map[$key]);
} else {
unset($skus[$sku_id]);
}
}
}
if ($sku_map && false) {
$product_skus_model = new shopProductSkusModel();
$product_skus_model->deleteJoin('shop_product_features', $product->id, array('virtual' => 1, 'id' => $sku_map));
$product_skus_model->deleteByField(array('product_id' => $product->id, 'virtual' => 1, 'id' => $sku_map));
}
}
$product->skus = $skus;
return $sku_map;
}
