Refactor helper functions, improve product filtering, and update seeders. Adjusted SMS sending logic for better readability, implemented multi-level category filtering in ProductRepository, and commented out old data seeding in ChannelTableSeeder and UserTableSeeder for a cleaner setup.

app/Repositories/Ecommerce/Product/ProductRepository.php

@@ -4,10 +4,12 @@ namespace App\Repositories\Ecommerce\Product;
 
 use App\Helpers\Ecommerce\Product\Filter\ProductFilterer;
 use App\Helpers\Ecommerce\Product\Sort\ProductSorter;
+use App\Models\Ecommerce\Product\Category\Category;
 use App\Models\Ecommerce\Product\Product\Product;
 use Illuminate\Contracts\Pagination\Paginator;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
 
 class ProductRepository
 {
@@ -134,6 +136,35 @@ class ProductRepository
         return $this;
     }
 
+    public function applyMultiLevelFilter(Category $category): self
+    {
+        $categoryId = $category->id;
+
+        $categoryIds = collect(DB::select('
+            WITH RECURSIVE category_tree AS (
+                SELECT id FROM categories WHERE id = ?
+                UNION
+                SELECT c.id
+                FROM categories c
+                JOIN category_tree ct ON c.parent_id = ct.id
+            )
+            SELECT id FROM category_tree
+        ', [$categoryId]))->pluck('id');
+
+        $products = DB::table('products')
+            ->join('product_has_relations', 'products.id', '=', 'product_has_relations.product_id')
+            ->whereIn('product_has_relations.productable_id', $categoryIds)
+            ->where('product_has_relations.productable_type', '=', 'category')
+            ->select('products.id')
+            ->distinct()
+            ->pluck('id')
+            ->toArray();
+
+        $this->queryBuilder->whereIntegerInRaw('products.id', $products);
+
+        return $this;
+    }
+
     /**
      * Apply sorting
      */