MAGE-838 Add max replicas per index method

Author: cammonro

Api/Product/ReplicaManagerInterface.php

@@ -13,7 +13,6 @@ interface ReplicaManagerInterface
 
     public const SORT_KEY_ATTRIBUTE_NAME = 'attribute';
     public const SORT_KEY_VIRTUAL_REPLICA = 'virtualReplica';
-    // https://www.algolia.com/doc/guides/managing-results/refine-results/sorting/in-depth/replicas/#what-are-virtual-replicas
     public const MAX_VIRTUAL_REPLICA_LIMIT = 20;
 
 
@@ -40,4 +39,12 @@ public function handleReplicas(string $primaryIndexName, int $storeId, array $pr
      * @return bool
      */
     public function isReplicaSyncEnabled(int $storeId): bool;
+
+    /**
+     * Return the number of virtual replicas permitted per index
+     * @link https://www.algolia.com/doc/guides/managing-results/refine-results/sorting/in-depth/replicas/#differences
+     *
+     * @return int
+     */
+    public function getMaxVirtualReplicasPerIndex() : int;
 }

Model/Product/ReplicaManager.php

@@ -370,4 +370,12 @@ public function isReplicaSyncEnabled(int $storeId): bool
     {
         return $this->configHelper->isInstantEnabled($storeId);
     }
+
+    /**
+     * @inheritDoc
+     */
+    public function getMaxVirtualReplicasPerIndex() : int
+    {
+        return self::MAX_VIRTUAL_REPLICA_LIMIT;
+    }
 }

Validator/VirtualReplicaValidator.php

@@ -11,20 +11,25 @@ class VirtualReplicaValidator
     protected bool $replicaLimitExceeded = false;
     protected bool $tooManyCustomerGroups = false;
 
+    public function __construct(
+        protected ReplicaManagerInterface $replicaManager
+    )
+    {}
+
     public function isReplicaConfigurationValid(array $replicas): bool
     {
         foreach ($replicas as $replica) {
-            // TODO: Implement replica limit override
+            $maxReplicas = $this->replicaManager->getMaxVirtualReplicasPerIndex();
             if (!empty($replica[ReplicaManagerInterface::SORT_KEY_VIRTUAL_REPLICA])) {
                 $this->replicaCount++;
                 if ($replica[ReplicaManagerInterface::SORT_KEY_ATTRIBUTE_NAME] == ReplicaManagerInterface::SORT_ATTRIBUTE_PRICE) {
                     $this->priceSortReplicaCount++;
                 }
             }
 
-            if ($this->replicaCount > ReplicaManagerInterface::MAX_VIRTUAL_REPLICA_LIMIT) {
+            if ($this->replicaCount > $maxReplicas) {
                 $this->replicaLimitExceeded = true;
-                $this->tooManyCustomerGroups = $this->priceSortReplicaCount > ReplicaManagerInterface::MAX_VIRTUAL_REPLICA_LIMIT;
+                $this->tooManyCustomerGroups = $this->priceSortReplicaCount > $maxReplicas;
             }
         }
         return !$this->replicaLimitExceeded;