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<?php
/**
* @package Google Structured Data
* @version 5.6.5 Pro
*
* @author Tassos Marinos <info@tassos.gr>
* @link http://www.tassos.gr
* @copyright Copyright © 2021 Tassos Marinos All Rights Reserved
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
*/
defined('_JEXEC') or die('Restricted access');
use GSD\PluginBaseProduct;
use Joomla\CMS\Factory;
use Joomla\CMS\Component\ComponentHelper;
/**
* Google Structured Data Plugin
*/
class plgGSDDJCatalog2 extends PluginBaseProduct
{
/**
* The product data
*
* @var array
*/
private $product;
/**
* Product View
*
* @return object
*/
protected function viewItem()
{
$this->loadProduct($this->getThingID());
if (!$product = $this->product)
{
return;
}
// Prepare Data
return [
'id' => $product->id,
'alias' => $product->alias,
'headline' => $product->name,
'description' => empty($product->intro_desc) ? $product->description : $product->intro_desc,
'introtext' => $product->intro_desc,
'fulltext' => $product->description,
'image' => $product->image,
'imagetext' => \GSD\Helper::getFirstImageFromString($product->intro_desc . $product->description),
'offerPrice' => $product->price,
'sku' => $product->sku,
'brand' => $product->brand,
'currency' => $product->currency,
'ratingValue' => ($product->rating && isset($product->rating->value)) ? $product->rating->value : 0,
'reviewCount' => ($product->rating && isset($product->rating->count)) ? $product->rating->count : 0,
'offerAvailability' => ($product->onstock == '0' || $product->available == '0') ? 'http://schema.org/OutOfStock' : 'http://schema.org/InStock',
'created' => $product->created,
'created_by' => $product->created_by,
'modified' => $product->modified,
'publish_up' => $product->publish_up,
'publish_down' => $product->publish_down
];
}
/**
* Load DJCatalog2 product including rating, image and pricing info.
*
* @param integer $id
*
* @return void
*/
private function loadProduct($id)
{
$db = Factory::getDbo();
$query = $db->getQuery(true)
->select([
'a.*',
'CASE WHEN (a.special_price > 0.0 AND a.special_price < a.price) THEN a.special_price ELSE a.price END as final_price',
])
// Get first ordered image
->select('(SELECT fullpath from #__djc2_images WHERE item_id = ' . $id . ' order by ordering LIMIT 1) as image')
// Include Brand
->select($db->quoteName('p.name', 'brand'))
->join('left', '#__djc2_producers AS p ON p.id = a.producer_id')
->from($db->quoteName('#__djc2_items', 'a'))
->where($db->quoteName('a.id') . '=' . $id);
$db->setQuery($query);
$this->product = $db->loadObject();
$this->product->rating = $this->getProductRating();
$this->product->image = $this->getProductImage();
$this->product->price = $this->getProductPrice();
$this->product->currency = $this->getCurrencyISOCode();
}
/**
* Get product's final price
*
* @return mixed
*/
private function getProductPrice()
{
$prices = Djcatalog2HelperPrice::getPrices($this->product->final_price, $this->product->price, $this->product->tax_rule_id, false, ComponentHelper::getParams('com_djcatalog2'));
return isset($prices['display']) ? $prices['display'] : 0;
}
/**
* Get product's image. Since DJ-Catalog2 uses multiple images per product, we only use the 1st ordered image.
*
* @return mixed String on sucess, null on failure
*/
private function getProductImage()
{
$images = DJCatalog2ImageHelper::getImages('item', $this->getThingID());
if (is_array($images) && isset($images[0]))
{
return $images[0]->large;
}
}
/**
* Get the product's average rating value and reviews count
*
* @return mixed Null on failure, object on success
*/
private function getProductRating()
{
// The com_djreviews component must be enabled
if (!\NRFramework\Extension::componentIsEnabled('com_djreviews'))
{
return;
}
// The DJ-Catalog2 - DJ-Reviews plugin must be enabled
if (!\NRFramework\Extension::pluginIsEnabled('djreviews', 'djcatalog2'))
{
return;
}
// Get the product's average rating value and reviews count
$db = Factory::getDbo();
$query = $db->getQuery(true)
->select(['AVG(' . $db->quoteName('a.rating') . ') as value', 'COUNT(' . $db->quoteName('a.rating') . ') as count'])
->from($db->quoteName('#__djrevs_reviews_items', 'a'))
->join('left', '#__djrevs_reviews AS b ON a.review_id = b.id')
->where($db->quoteName('b.published') . ' = 1')
->where($db->quoteName('b.item_id') . ' = ' . $this->getThingID())
->where($db->quoteName('b.item_type') . ' = ' . $db->quote('com_djcatalog2.item'))
->group($db->quoteName('b.item_type'));
$db->setQuery($query);
return $db->loadObject();
}
/**
* Unfortunately, DJ-Catalog2 uses symbols instead of the 3-letter ISO code for the currency making the currency code detection impossible.
* We are only adding check for the EUR and USD currencies. If the site is using a different currency, the administrator should override
* the currency schema property.
*
* @return string
*/
private function getCurrencyISOCode()
{
$params = ComponentHelper::getParams('com_djcatalog2');
$currency_symbol = $params->get('price_unit', '$');
return ($currency_symbol == '€') ? 'EUR' : 'USD';
}
}