refactor(Core): optimize admin panel and refactor

app/Services/PricingService.php

@@ -11,6 +11,7 @@ class PricingService {
     private $trackingService;
     private $settings;
     private $cache;
+    private $trackedApplications = [];
 
     public function __construct(RuleRepository $ruleRepository, TrackingService $trackingService) {
         $this->ruleRepository = $ruleRepository;
@@ -51,8 +52,7 @@ class PricingService {
             $price = $this->applyRuleActions($rule, $price);
             
             if ($price < $oldPrice) {
-                $this->trackingService->recordDiscountApplied($product, $oldPrice, $price, $rule->id);
-                $this->ruleRepository->incrementUsage($rule->id);
+                $this->trackDiscountOnce($product, $oldPrice, $price, $rule->id);
             }
         }
 
@@ -206,7 +206,7 @@ class PricingService {
             return false;
         }
 
-        return (bool) array_intersect($product_cats, array_map('intval', $categories));
+        return (bool) array_intersect($product_cats, $this->normalizeIdList($categories));
     }
 
     private function productIsInIds($product, $ids) {
@@ -214,7 +214,23 @@ class PricingService {
             return false;
         }
 
-        return in_array($product->get_id(), array_map('intval', $ids), true);
+        return in_array($product->get_id(), $this->normalizeIdList($ids), true);
+    }
+
+    private function normalizeIdList($value) {
+        $values = is_array($value) ? $value : [$value];
+        $ids = [];
+
+        foreach ($values as $item) {
+            foreach (explode(',', (string) $item) as $id) {
+                $id = absint(trim($id));
+                if ($id > 0) {
+                    $ids[] = $id;
+                }
+            }
+        }
+
+        return array_values(array_unique($ids));
     }
 
     private function applyRuleActions($rule, $price) {
@@ -273,4 +289,17 @@ class PricingService {
         }
         return 0;
     }
+
+    private function trackDiscountOnce($product, $oldPrice, $price, $ruleId) {
+        $productId = $product ? $product->get_id() : 0;
+        $key = implode(':', [$productId, (int) $ruleId, round($oldPrice, 4), round($price, 4)]);
+
+        if (isset($this->trackedApplications[$key])) {
+            return;
+        }
+
+        $this->trackedApplications[$key] = true;
+        $this->trackingService->recordDiscountApplied($product, $oldPrice, $price, $ruleId);
+        $this->ruleRepository->incrementUsage($ruleId);
+    }
 }