From 982e6ae0b7401d5fc8790a208771f726f3151c78 Mon Sep 17 00:00:00 2001
From: Ilan Parmentier <ilan.parmentier@artbambou.com>
Date: Wed, 3 Oct 2018 17:22:04 +0200
Subject: [PATCH] Remove facets when all options are the same for each
 products.

Related to this core issue :
https://github.com/Smile-SA/elasticsuite/pull/1051

I have just applied what @afoucret done.

Tell me if it is ok for you.

Ilan PARMENTIER
---
 Model/Layer/Filter/Rating.php | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/Model/Layer/Filter/Rating.php b/Model/Layer/Filter/Rating.php
index 660e662..40a5385 100644
--- a/Model/Layer/Filter/Rating.php
+++ b/Model/Layer/Filter/Rating.php
@@ -120,14 +120,18 @@ protected function _getItemsData()
             }
         }
         krsort($optionsFacetedData);
-
-        foreach ($optionsFacetedData as $value => $data) {
-            $sumCount += (int) $data['count'];
-            $items[$value] = [
-                'label' => $value,
-                'value' => $value,
-                'count' => $sumCount,
-            ];
+        
+        $minCount = !empty($optionsFacetedData) ? min(array_column($optionsFacetedData, 'count')) : 0;
+
+		if (!empty($this->currentFilterValue) || $minCount < $productCollection->getSize()) {
+	        foreach ($optionsFacetedData as $value => $data) {
+	            $sumCount += (int) $data['count'];
+	            $items[$value] = [
+	                'label' => $value,
+	                'value' => $value,
+	                'count' => $sumCount,
+	            ];
+	        }
         }
 
         return $items;