/**
* Compile product list.
*
* This function is specially designed so you can keep it in your child classes and only override findProducts().
* You will automatically gain product caching (see class property), grid classes, pagination and more.
*/
protected function compile()
{
// return message if no filter is set
if ($this->iso_emptyFilter && !\Input::get('isorc') && !\Input::get('keywords')) {
$this->Template->message = $this->replaceInsertTags($this->iso_noFilter);
$this->Template->type = 'noFilter';
$this->Template->products = array();
return;
}
global $objPage;
$cacheKey = $this->getCacheKey();
$arrProducts = null;
$arrCacheIds = null;
// Try to load the products from cache
if ($this->blnCacheProducts && ($objCache = ProductCache::findByUniqid($cacheKey)) !== null) {
$arrCacheIds = $objCache->getProductIds();
// Use the cache if keywords match. Otherwise we will use the product IDs as a "limit" for findProducts()
if ($objCache->keywords == \Input::get('keywords')) {
$arrCacheIds = $this->generatePagination($arrCacheIds);
$objProducts = Product::findAvailableByIds($arrCacheIds, array('order' => \Database::getInstance()->findInSet(Product::getTable() . '.id', $arrCacheIds)));
$arrProducts = null === $objProducts ? array() : $objProducts->getModels();
// Cache is wrong, drop everything and run findProducts()
if (count($arrProducts) != count($arrCacheIds)) {
$arrCacheIds = null;
$arrProducts = null;
}
}
}
if (!is_array($arrProducts)) {
// Display "loading products" message and add cache flag
if ($this->blnCacheProducts) {
$blnCacheMessage = (bool) $this->iso_productcache[$cacheKey];
if ($blnCacheMessage && !\Input::get('buildCache')) {
// Do not index or cache the page
$objPage->noSearch = 1;
$objPage->cache = 0;
$this->Template = new \Isotope\Template('mod_iso_productlist_caching');
$this->Template->message = $GLOBALS['TL_LANG']['MSC']['productcacheLoading'];
return;
}
// Start measuring how long it takes to load the products
$start = microtime(true);
// Load products
$arrProducts = $this->findProducts($arrCacheIds);
// Decide if we should show the "caching products" message the next time
$end = microtime(true) - $start;
$this->blnCacheProducts = $end > 1 ? true : false;
$arrCacheMessage = $this->iso_productcache;
if ($blnCacheMessage != $this->blnCacheProducts) {
$arrCacheMessage[$cacheKey] = $this->blnCacheProducts;
\Database::getInstance()->prepare("UPDATE tl_module SET iso_productcache=? WHERE id=?")->execute(serialize($arrCacheMessage), $this->id);
}
// Do not write cache if table is locked. That's the case if another process is already writing cache
if (ProductCache::isWritable()) {
\Database::getInstance()->lockTables(array(ProductCache::getTable() => 'WRITE', 'tl_iso_product' => 'READ'));
$arrIds = array();
foreach ($arrProducts as $objProduct) {
$arrIds[] = $objProduct->id;
}
// Delete existing cache if necessary
ProductCache::deleteByUniqidOrExpired($cacheKey);
$objCache = ProductCache::createForUniqid($cacheKey);
$objCache->expires = $this->getProductCacheExpiration();
$objCache->setProductIds($arrIds);
$objCache->save();
\Database::getInstance()->unlockTables();
}
} else {
$arrProducts = $this->findProducts();
}
if (!empty($arrProducts)) {
$arrProducts = $this->generatePagination($arrProducts);
}
}
// No products found
if (!is_array($arrProducts) || empty($arrProducts)) {
$this->compileEmptyMessage();
return;
}
$arrBuffer = array();
$arrDefaultOptions = $this->getDefaultProductOptions();
/** @var \Isotope\Model\Product\Standard $objProduct */
foreach ($arrProducts as $objProduct) {
/** @var ProductType $type */
$type = $objProduct->getRelated('type');
$arrConfig = array('module' => $this, 'template' => $this->iso_list_layout ?: $type->list_template, 'gallery' => $this->iso_gallery ?: $type->list_gallery, 'buttons' => $this->iso_buttons, 'useQuantity' => $this->iso_use_quantity, 'jumpTo' => $this->findJumpToPage($objProduct));
if (\Environment::get('isAjaxRequest') && \Input::post('AJAX_MODULE') == $this->id && \Input::post('AJAX_PRODUCT') == $objProduct->getProductId()) {
$objResponse = new HtmlResponse($objProduct->generate($arrConfig));
$objResponse->send();
}
$objProduct->mergeRow($arrDefaultOptions);
// Must be done after setting options to generate the variant config into the URL
if ($this->iso_jump_first && Input::getAutoItem('product', false, true) == '') {
\Controller::redirect($objProduct->generateUrl($arrConfig['jumpTo']));
}
$arrCSS = deserialize($objProduct->cssID, true);
$arrBuffer[] = array('cssID' => $arrCSS[0] != '' ? ' id="' . $arrCSS[0] . '"' : '', 'class' => trim('product ' . ($objProduct->isNew() ? 'new ' : '') . $arrCSS[1]), 'html' => $objProduct->generate($arrConfig), 'product' => $objProduct);
}
// HOOK: to add any product field or attribute to mod_iso_productlist template
if (isset($GLOBALS['ISO_HOOKS']['generateProductList']) && is_array($GLOBALS['ISO_HOOKS']['generateProductList'])) {
foreach ($GLOBALS['ISO_HOOKS']['generateProductList'] as $callback) {
$objCallback = \System::importStatic($callback[0]);
$arrBuffer = $objCallback->{$callback}[1]($arrBuffer, $arrProducts, $this->Template, $this);
}
}
RowClass::withKey('class')->addCount('product_')->addEvenOdd('product_')->addFirstLast('product_')->addGridRows($this->iso_cols)->addGridCols($this->iso_cols)->applyTo($arrBuffer);
$this->Template->products = $arrBuffer;
}
