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Get the average rating of the current category

SOLVED

Get the average rating of the current category

Hi guys! 

I'm actually a noob on magento cms.

Can someone tell me how to get the average rating of the current category?

that's what I did :

 

	$category_id = Mage::getModel('catalog/layer')->getCurrentCategory()->getId();
	$category = Mage::getModel('catalog/category')->load($category_id);
	$products = Mage::getModel('catalog/product')->getCollection()->addAttributeToSelect('*')->addCategoryFilter($category)->load();

	$reviews = array();
	
	foreach ($products as $product) {
		$productId = $product->getId();
		array_push($reviews, Mage::getModel('review/review')
                ->getResourceCollection()
                ->addStoreFilter(Mage::app()->getStore()->getId())
                ->addEntityFilter('product', $productId)
                ->addStatusFilter(Mage_Review_Model_Review::STATUS_APPROVED)
                ->setDateOrder()
                ->addRateVotes()
        );
	}


	foreach ($reviews as $review) {
		$_votes = $review->getRatingVotes()->getFirstItem();
		if($_votes->
        $totalRating += $_votes->getFirstItem()->getValue();
	}
	Zend_debug::dump(100 * $totalRating / (5 * $reviews));

Did I miss something?

 

thanks in advance

 

3 REPLIES

Re: Get the average rating of the current category

Okay, I solved it myself.

For those interested, here is the code:

        $categoryId = Mage::getModel('catalog/layer')->getCurrentCategory()->getId();
        $currentCategory = Mage::getModel('catalog/category')->load($categoryId);
        $productList = Mage::getModel('catalog/product')->getCollection()->addAttributeToSelect('*')->addCategoryFilter($currentCategory)->load();
        $reviewList = array();
        $storeId = Mage::app()->getStore()->getId();
        foreach ($productList as $product) {
            $summaryData = Mage::getModel('review/review_summary')->setStoreId($storeId)->load($product->getEntityID());
            $reviewData[] = $summaryData['rating_summary'] / 20;
        }
        $nbReview = 0;
        foreach ($reviewData as $review) {
            if ($review != Null)
                $nbReviews++;
                $totalReviewIntoStar += $review;
        }
        return $AvgRating = $totalReviewIntoStar / $nbReviews;

 

Re: Get the average rating of the current category

Hi @anthony_ip,

 

Are you using that calc everytime the category is rendered?

In taht case, did you see some performance issue?

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Re: Get the average rating of the current category

I indeed use this calc in each render.

I didn't check the perf