wip

app/Http/Controllers/Api/V1/Product/ProductRelatedController.php

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+<?php
+
+namespace App\Http\Controllers\Api\V1\Product;
+
+use App\Http\Controllers\Api\V1\Product\Resources\ProductResource;
+use App\Http\Controllers\Controller;
+use App\Models\Ecommerce\Product\Product\Product;
+use App\Repositories\Ecommerce\Product\ProductRepository;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Support\Facades\DB;
+
+class ProductRelatedController extends Controller
+{
+    /**
+     * Related products (index)
+     */
+    public function index(Product $product): JsonResponse
+    {
+        $products = DB::table('product_has_relations')
+            ->select('product_has_relations.product_id')
+            ->whereIn('product_has_relations.productable_id', (function ($query) use ($product) {
+                $query->from('product_has_relations')
+                    ->select('productable_id')
+                    ->distinct('productable_id')
+                    ->where('productable_type', '=', 'category')
+                    ->where('product_id', '=', $product->id);
+            }))
+            ->limit(12)
+            ->orderByRaw('RANDOM()')
+            ->pluck('product_has_relations.product_id')
+            ->unique();
+
+        return response()->rest(
+            ProductResource::collection(
+                ProductRepository::make(request())
+                    ->applyBasicQueries()
+                    ->whereIntegerInRaw('id', $products->toArray())
+                    ->get()
+            )
+        );
+    }
+}