Merge pull request #3760 from craftcms/feature/pricing-catalog-event

New pricing catalog generation event

src/events/CatalogPricingJobEvent.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * @link https://craftcms.com/
+ * @copyright Copyright (c) Pixel & Tonic, Inc.
+ * @license https://craftcms.github.io/license/
+ */
+
+namespace craft\commerce\events;
+
+use craft\events\CancelableEvent;
+
+/**
+ * Class CreateSubscriptionEvent
+ *
+ * @author Pixel & Tonic, Inc. <[email protected]>
+ * @since 5.3.0
+ */
+class CatalogPricingJobEvent extends CancelableEvent
+{
+    /**
+     * @var int[]|null
+     */
+    public ?array $purchasableIds = null;
+
+    /**
+     * @var int[]|null
+     */
+    public ?array $catalogPricingRuleIds = null;
+
+    /**
+     * @var int[]|null
+     */
+    public ?array $storeId = null;
+}

src/services/CatalogPricing.php

@@ -12,6 +12,7 @@
 use craft\commerce\db\Table;
 use craft\commerce\elements\conditions\purchasables\CatalogPricingCondition;
 use craft\commerce\elements\conditions\purchasables\CatalogPricingCustomerConditionRule;
+use craft\commerce\events\CatalogPricingJobEvent;
 use craft\commerce\models\CatalogPricing as CatalogPricingModel;
 use craft\commerce\models\CatalogPricingRule;
 use craft\commerce\Plugin;
@@ -40,6 +41,11 @@
  */
 class CatalogPricing extends Component
 {
+    /**
+     * @since 5.3.0
+     */
+    public const EVENT_BEFORE_CREATE_CATALOG_PRICING_JOB = 'beforeCreateCatalogPricingJob';
+
     /**
      * @var array|null
      */
@@ -500,7 +506,21 @@ public function createCatalogPricingJob(array $config = [], int $priority = 100)
         $catalogPricingRuleIds = $config['catalogPricingRuleIds'] ?? null;
         $purchasableIds = $config['purchasableIds'] ?? null;
         $storeId = $config['storeId'] ?? null;
-        $this->markPricesAsUpdatePending($catalogPricingRuleIds, $purchasableIds, $storeId);
+
+        /** @var CatalogPricingJobEvent $event */
+        $event = Craft::createObject(
+            CatalogPricingJobEvent::class, compact('catalogPricingRuleIds', 'purchasableIds', 'storeId'),
+        );
+
+        if ($this->hasEventHandlers(self::EVENT_BEFORE_CREATE_CATALOG_PRICING_JOB)) {
+            $this->trigger(self::EVENT_BEFORE_CREATE_CATALOG_PRICING_JOB, $event);
+        }
+
+        if (!$event->isValid) {
+            return;
+        }
+
+        $this->markPricesAsUpdatePending($event->catalogPricingRuleIds, $event->purchasableIds, $event->storeId);
 
         $config = array_merge([
             'class' => CatalogPricingJob::class,