Adds Plugin to ensure shipment can be sent with qty is 0, solves issue …

…AmpersandHQ#69 and AmpersandHQ#108

src/Model/InventoryApi/GetInStockSourceItemsBySkusAndSortedSource.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Ampersand\DisableStockReservation\Model\InventoryApi;
+
+use Magento\Framework\Api\SearchCriteriaBuilder;
+use Magento\InventoryApi\Api\Data\SourceItemInterface;
+use Magento\InventoryApi\Api\SourceItemRepositoryInterface;
+
+class GetInStockSourceItemsBySkusAndSortedSource
+{
+    /**
+     * @var SourceItemRepositoryInterface
+     */
+    private $sourceItemRepository;
+
+    /**
+     * @var SearchCriteriaBuilder
+     */
+    private $searchCriteriaBuilder;
+
+    /**
+     * @param SourceItemRepositoryInterface $sourceItemRepository
+     * @param SearchCriteriaBuilder $searchCriteriaBuilder
+     * @SuppressWarnings(PHPMD.LongVariable)
+     */
+    public function __construct(
+        SourceItemRepositoryInterface $sourceItemRepository,
+        SearchCriteriaBuilder $searchCriteriaBuilder
+    ) {
+        $this->sourceItemRepository = $sourceItemRepository;
+        $this->searchCriteriaBuilder = $searchCriteriaBuilder;
+    }
+
+    /**
+     * Retrieve source items for a defined set of SKUs and sorted source codes
+     *
+     * @param array $skus
+     * @param array $sortedSourceCodes
+     * @return SourceItemInterface[]
+     */
+    public function execute(array $skus, array $sortedSourceCodes): array
+    {
+        $skus = array_map('strval', $skus);
+        $searchCriteria = $this->searchCriteriaBuilder
+            ->addFilter(SourceItemInterface::SKU, $skus, 'in')
+            ->addFilter(SourceItemInterface::SOURCE_CODE, $sortedSourceCodes, 'in')
+            //->addFilter(SourceItemInterface::STATUS, SourceItemInterface::STATUS_IN_STOCK)
+            ->create();
+
+        $items = $this->sourceItemRepository->getList($searchCriteria)->getItems();
+
+        $itemsSorting = [];
+        foreach ($items as $item) {
+            $itemsSorting[] = array_search($item->getSourceCode(), $sortedSourceCodes, true);
+        }
+
+        array_multisort($itemsSorting, SORT_NUMERIC, SORT_ASC, $items);
+        return $items;
+    }
+}

src/Plugin/InventoryInStorePickupSales/Model/Order/IsFulfillablePlugin.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Ampersand\DisableStockReservation\Plugin\InventoryInStorePickupSales\Model\Order;
+
+class IsFulfillablePlugin
+{
+    public function aroundExecute()
+    {
+        return true;
+    }
+}

src/Plugin/InventoryShippingAdminUi/Ui/DataProvider/SourceSelectionDataProviderPlugin.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Ampersand\DisableStockReservation\Plugin\InventoryShippingAdminUi\Ui\DataProvider;
+
+use Magento\InventoryShippingAdminUi\Ui\DataProvider\SourceSelectionDataProvider;
+
+class SourceSelectionDataProviderPlugin
+{
+    public function afterGetData(SourceSelectionDataProvider $subject, $result)
+    {
+        foreach ($result as &$data) {
+            foreach ($data['items'] as &$item) {
+                $item['isManageStock'] = 0;
+            }
+        }
+
+        return $result;
+    }
+}

src/etc/di.xml

@@ -44,4 +44,18 @@
 
     <preference for="Ampersand\DisableStockReservation\Api\SourcesRepositoryInterface"
                 type="Ampersand\DisableStockReservation\Model\SourcesRepository"/>
+    <!-- Show all assigned sources for all items during shipment creation (regardless of in/out of stock -->
+    <preference
+            for="Magento\InventorySourceSelectionApi\Model\GetInStockSourceItemsBySkusAndSortedSource"
+            type="Ampersand\DisableStockReservation\Model\InventoryApi\GetInStockSourceItemsBySkusAndSortedSource" />
+
+    <!--  Pretend All Items are not Manage Stock for shipping purposes  -->
+    <type name="Magento\InventoryShippingAdminUi\Ui\DataProvider\SourceSelectionDataProvider">
+        <plugin name="disable_manage_stock_for_shipping" type="Ampersand\DisableStockReservation\Plugin\InventoryShippingAdminUi\Ui\DataProvider\SourceSelectionDataProviderPlugin"/>
+    </type>
+
+    <!--  Allow sending pickup notif at 0 qty/out of stock  -->
+    <type name="Magento\InventoryInStorePickupSales\Model\Order\IsFulfillable">
+        <plugin name="allow_pickup_notif" type="Ampersand\DisableStockReservation\Plugin\InventoryInStorePickupSales\Model\Order\IsFulfillablePlugin"/>
+    </type>
 </config>