public static function getDefaultAttributeOptions($attributes)
{
if (is_array($attributes) == false || empty($attributes)) {
return array();
}
$pid = $attributes[0]->product_id;
$map = CitruscartHelperProduct::getAttributeQuantityMap($pid);
$default = array();
foreach ($attributes as $attribute) {
$default[$attribute->productattribute_id] = 0;
}
JModelLegacy::addIncludePath(JPATH_ADMINISTRATOR . '/components/com_citruscart/models');
if (is_array($map) && $map) {
// we figure out what should be the default attribute options combination by recursively searching the product quantity map
$answer = array();
// array with final combination
$not_finished = true;
$act_pos = -1;
// actual attribute
$attr_order = array();
// order of attribute IDs
$cq = count(@$map['q']);
$prev = array();
foreach ($map['pa'] as $key => $value) {
$attr_order[$map['ord'][$key]] = $key;
}
$c_answers = count($attr_order);
// number of elements that should be in the result
do {
$ca = count($answer);
// order of attribution combination
$attr_id = $attr_order[$ca];
$attribs = $map['pa'][$attr_id];
$c_attribs = count($attribs);
$pos = $map['ord'][$attr_id];
$found = false;
// found option for this attribute
for ($i = 0; !$found && $i < $c_attribs; $i++) {
// first we find combination with this
$pao_id = $attribs[$i]->productattributeoption_id;
for ($j = 0; !$found && $j < $cq; $j++) {
if ($map['q'][$j][$pos] == $pao_id) {
// found a combination with this option -> now we check it
$wrong = false;
for ($k = 0; !$wrong && $k < $ca; $k++) {
$ord_a = $map['ord'][$attr_order[$k]];
$wrong = $map['q'][$j][$ord_a] == $answer[$attr_order[$k]];
}
if (!$wrong) {
$found = true;
$answer[$attr_id] = $pao_id;
}
}
}
}
if ($i == $c_attribs || $c_answers == count($answer)) {
$not_finished = false;
}
} while ($not_finished);
foreach ($answer as $key => $val) {
$default[$key] = $val;
}
return $default;
} else {
// no product quantities -> use the old way
foreach ($attributes as $attribute) {
$model = JModelLegacy::getInstance('ProductAttributeOptions', 'CitruscartModel');
$model->setState('filter_attribute', $attribute->productattribute_id);
$model->setState('order', 'tbl.ordering');
$items = $model->getList();
if (count($items)) {
$default[$attribute->productattribute_id] = $items[0]->productattributeoption_id;
}
}
}
return $default;
}