/**
* Get all layer filters
*
* @return array
*/
public function getFilters()
{
$options = $this->_getCustomOptions();
$filters = parent::getFilters();
$params = Mage::app()->getRequest()->getParams();
foreach ($options as $option) {
$option_code = $option->getOptionCode();
$option_filter = $this->getChild('option_' . $option_code . '_filter');
if (isset($option_filter) && !array_key_exists($option_code, $params)) {
$filters[] = $option_filter;
}
}
return $filters;
}
/**
* Get all layer filters
*
* We're getting the list of filters from Quiser's questions instead of Magento's data.
*
* @return array
*/
public function getFilters()
{
$helper = Mage::helper('conversionpro');
if ($helper->getIsEngineAvailableForNavigation(false)) {
//At first, we create a filter block for each returned question from the XML.
$filterableAttributes = $helper->getQuestions();
foreach ($filterableAttributes as $attribute) {
if ($attribute->Id == 'PriceQuestion') {
if (!array_key_exists('price_filter', $this->_loadedFilters)) {
$this->_loadedFilters['price_filter'] = $this->_createFilterBlock($helper->getSearchEngine()->getPriceFieldName());
$this->setChild('price_filter', $this->_loadedFilters['price_filter']);
}
} else {
$code = strtolower($attribute->Text);
if (!array_key_exists($code . '_filter', $this->_loadedFilters)) {
$this->_loadedFilters[$code . '_filter'] = $this->_createFilterBlock($attribute->Text);
$this->setChild($code . '_filter', $this->_loadedFilters[$code . '_filter']);
}
}
}
//Now, we go over the filters we've defined in the products collection.
$searchParams = $helper->getCurrentLayer()->getProductCollection()->getExtendedSearchParams();
unset($searchParams['query_text']);
unset($searchParams['visibility']);
foreach ($searchParams as $filter => $values) {
//If one of these filters wasn't in the returned questions, create a block for it.
if (!array_key_exists(strtolower($filter) . '_filter', $this->_loadedFilters)) {
if ($filter == 'price') {
$this->_loadedFilters['price_filter'] = $this->_createFilterBlock($helper->getSearchEngine()->getPriceFieldName());
$this->setChild('price_filter', $this->_loadedFilters['price_filter']);
} else {
$this->_loadedFilters[strtolower($filter) . '_filter'] = $this->_createFilterBlock($filter);
$this->setChild(strtolower($filter) . '_filter', $this->_loadedFilters[strtolower($filter) . '_filter']);
}
}
//Create state tags for every active filter except for price and category, which we cover somewhere else.
if ($filter != 'category' && $filter != 'price') {
//Creating an attribute model for use in the state tag we'll be creating soon.
$attribute = Mage::getResourceModel('catalog/product_attribute_collection')->addFieldToFilter('attribute_code', $filter)->getFirstItem();
//These two lines simulate what would have happened had I just reinstantiated the block and assigned the
// model to it, as is done in the commented section above.
$attribute->setRequestVar($attribute->getAttributeCode());
$attribute->setName($helper->getSearchEngine()->getCelebrosSearchEngineFieldName($attribute));
//Do this for each filter value (to cover multiselect filters)
foreach ($values as $value) {
//Get answer text according to the answer id.
$answerText = $helper->getAnswerTextByAnswerId($filter, $value);
//Only create a new state tag in case it wasn't already created.
if (!array_key_exists($value, $this->_stateTags)) {
//Create the state tag for this answer with all the info we've just gathered.
$this->_stateTags[$value] = $helper->getCurrentLayer()->getState()->addFilter(Mage::getModel('conversionpro/catalog_layer_filter_item')->setFilter($attribute)->setLabel($answerText)->setValue($value)->setCount(0));
}
}
}
}
//Now we start anew, and create a list of filters from the questions returned from the XML (to maintain the original order).
$filters = array();
$filterableAttributes = Mage::helper('conversionpro')->getQuestions();
foreach ($filterableAttributes as $attribute) {
if ($attribute->Id == 'PriceQuestion') {
$filters['price'] = $this->getChild('price_filter');
} elseif ($attribute->Text == 'Category') {
$filters['category'] = $this->_getCategoryFilter();
} else {
$filters[strtolower($attribute->Text)] = $this->getChild(strtolower($attribute->Text) . '_filter');
}
}
//Adding the selected questions that don't appear in the XML (because they don't have multiselect enabled).
// These items won't appear, but we want to consider them in the filters count.
foreach ($searchParams as $filter => $values) {
if (!array_key_exists($filter, $filters)) {
$filters[$filter] = $this->getChild(strtolower($filter) . '_filter');
}
}
return $filters;
}
return parent::getFilters();
}
