MM-25: Add logic for product prices and inventory synchronization (#50)

- Disabled field 'code' on editing for existing SalesChannel, to prevent issues with an incorrect mapping between salesChannel and website
- Fixed issue with price sync
- Fixed issue with remove remote data on integration deactivation
- Fixed issue with updating SKU
- Fixed issue with updating price when using default price

src/Marello/Bundle/InventoryBundle/Entity/Repository/BalancedInventoryRepository.php

@@ -30,7 +30,7 @@ public function setAclHelper(AclHelper $aclHelper)
      *
      * @param ProductInterface $product
      * @param SalesChannelGroup $group
-     * @return BalancedInventoryLevel
+     * @return null|BalancedInventoryLevel
      */
     public function findExistingBalancedInventory(ProductInterface $product, SalesChannelGroup $group)
     {

src/Marello/Bundle/PricingBundle/Entity/AssembledChannelPriceList.php

@@ -24,7 +24,7 @@
  * )
  * @ORM\Table(name="marello_assembled_ch_pr_list")
  */
-class AssembledChannelPriceList extends ExtendAssembledChannelPriceList
+class AssembledChannelPriceList extends ExtendAssembledChannelPriceList implements PriceListInterface
 {
     use EntityCreatedUpdatedAtTrait;
 

src/Marello/Bundle/PricingBundle/Entity/AssembledPriceList.php

@@ -23,7 +23,7 @@
  * )
  * @ORM\Table(name="marello_assembled_price_list")
  */
-class AssembledPriceList extends ExtendAssembledPriceList
+class AssembledPriceList extends ExtendAssembledPriceList implements PriceListInterface
 {
     use EntityCreatedUpdatedAtTrait;
 

src/Marello/Bundle/PricingBundle/Entity/PriceListInterface.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace Marello\Bundle\PricingBundle\Entity;
+
+use Marello\Bundle\ProductBundle\Entity\Product;
+
+interface PriceListInterface
+{
+    /**
+     * @return BasePrice
+     */
+    public function getDefaultPrice();
+
+    /**
+     * @return BasePrice
+     */
+    public function getSpecialPrice();
+
+    /**
+     * @return Product
+     */
+    public function getProduct();
+
+    /**
+     * @return string
+     */
+    public function getCurrency();
+}

src/Marello/Bundle/ProductBundle/Entity/Product.php

@@ -10,7 +10,7 @@
 use Marello\Bundle\InventoryBundle\Model\InventoryItemAwareInterface;
 use Marello\Bundle\PricingBundle\Entity\AssembledChannelPriceList;
 use Marello\Bundle\PricingBundle\Entity\AssembledPriceList;
-use Marello\Bundle\PricingBundle\Entity\ProductChannelPrice;
+use Marello\Bundle\PricingBundle\Entity\PriceListInterface;
 use Marello\Bundle\PricingBundle\Model\PricingAwareInterface;
 use Marello\Bundle\ProductBundle\Model\ExtendProduct;
 use Marello\Bundle\SalesBundle\Entity\SalesChannel;
@@ -1245,14 +1245,14 @@ public function getSalesChannelTaxCode(SalesChannel $salesChannel)
 
     /**
      * @param SalesChannel $salesChannel
-     * @return AssembledChannelPriceList|null
+     * @return PriceListInterface|null
      */
     public function getSalesChannelPrice(SalesChannel $salesChannel)
     {
-        /** @var ProductChannelPrice $productChannelPrice */
+        /** @var AssembledChannelPriceList $productChannelPrice */
         $productChannelPrice = $this->getChannelPrices()
             ->filter(function ($productChannelPrice) use ($salesChannel) {
-                /** @var ProductChannelPrice $productChannelPrice */
+                /** @var AssembledChannelPriceList $productChannelPrice */
                 return $productChannelPrice->getChannel() === $salesChannel;
             })
             ->first();

src/Marello/Bundle/SalesBundle/Form/Type/SalesChannelType.php

@@ -5,6 +5,7 @@
 use Marello\Bundle\PricingBundle\Form\EventListener\CurrencySubscriber;
 use Marello\Bundle\SalesBundle\Entity\SalesChannel;
 use Oro\Bundle\CurrencyBundle\Form\Type\CurrencyType;
+use Oro\Bundle\FormBundle\Utils\FormUtils;
 use Oro\Bundle\LocaleBundle\Form\Type\LocalizationSelectType;
 use Symfony\Component\Form\AbstractType;
 use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
@@ -69,6 +70,10 @@ public function preSetDataListener(FormEvent $event)
                 'label' => 'marello.sales.saleschannel.create_own_group.label'
             ]);
         }
+
+        if ($channel->getId()) {
+            FormUtils::replaceField($form, 'code', ['disabled' => true]);
+        }
     }
 
     /**