codigo actual del servidor, con avances de joan

app/Models/ProductStock.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ProductStock extends Model
+{
+    protected $fillable = ['product_id', 'variant', 'sku', 'price', 'qty', 'image'];
+    //
+    public function product(){
+    	return $this->belongsTo(Product::class);
+    }
+
+    public function wholesalePrices() {
+        return $this->hasMany(WholesalePrice::class);
+    }
+}