Initial Laravel API import

- Complete GGZ Ecademy Laravel backend application
- RESTful API for learning products, members, filters
- Authentication and authorization system
- Database migrations and seeders
- Custom CRUD generator commands
- Email notification system
- Integration with frontend applications

app/Services/QueryBuilderService.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Services;
+
+use App\Repositories\QueryBuilder\Config as QueryBuilderConfig;
+use App\Repositories\QueryBuilder\ConfigProvider as QueryBuilderConfigProvider;
+use Illuminate\Database\Eloquent\Builder as EloquentBuilder;
+use Illuminate\Database\Eloquent\Relations\Relation;
+use Illuminate\Http\Request;
+use Spatie\QueryBuilder\QueryBuilder;
+use Webmozart\Assert\Assert;
+
+class QueryBuilderService
+{
+    /**
+     * @param EloquentBuilder|Relation|string $subject
+     * @param string|QueryBuilderConfigProvider|null $configProvider
+     * @param Request|null $request
+     * @return QueryBuilder
+     */
+    public function createQueryBuilder(
+        $subject,
+        $builderConfigProvider = null,
+        Request $request = null
+    ): QueryBuilder
+    {
+        $builder = QueryBuilder::for($subject, $request);
+
+        if ($builderConfigProvider) {
+            Assert::isAOf(
+                $builderConfigProvider,
+                QueryBuilderConfigProvider::class
+            );
+
+            $this->applyQueryBuilderConfig(
+                $builder,
+                $builderConfigProvider::getQueryBuilderConfig(),
+            );
+        }
+
+        return $builder;
+    }
+
+    private function applyQueryBuilderConfig(
+        QueryBuilder $builder,
+        QueryBuilderConfig $config
+    ): void
+    {
+        $allowedFields = $config->getAllowedFields();
+
+        if (count($allowedFields)) {
+            $builder->allowedFields($allowedFields);
+        }
+
+        $builder->allowedAppends($config->getAllowedAppends());
+        $builder->allowedFilters($config->getAllowedFilters());
+        $builder->allowedIncludes($config->getAllowedIncludes());
+        $builder->allowedSorts($config->getAllowedSorts());
+    }
+}
+