commerce_stock.module

<?php

use Drupal\commerce_stock\Entity\Stock;
use Drupal\views\ViewExecutable;
use Drupal\views\Plugin\views\query\QueryPluginBase;
use Drupal\views\Views;

/**
 * @file
 * Defines common functionality for all Commerce Stock modules.
 */

/**
 * When a new stock instance is added to an existing product variation
 *
 * @param \Drupal\Core\Entity\EntityInterface $entity
 *
 */

function commerce_stock_entity_update(Drupal\Core\Entity\EntityInterface $entity) {

  if ($entity->getEntityTypeId() == 'commerce_product_variation') {
    $stockList = $entity->stock;
    foreach ($stockList as $stockItem) {
      $stock_id = $stockItem->get('entity')->getTargetIdentifier();
      $stock = Stock::load($stock_id);

      // Check if a stock has movement, if none, then it's new.
      $query = \Drupal::entityQuery('commerce_stock_movement');

      $result = $query->condition('stock_id', $stock_id)->execute();

      if (empty($result)) {
        $movement = Drupal::entityTypeManager()
          ->getStorage('commerce_stock_movement')
          ->create([
            'variation_id' => $entity->id(),
            'stock_id' => $stock_id,
            'qty' => $stock->getQuantity(),
            'location_id' => $stock->getStockLocation()->id(),
            'uid' => \Drupal::currentUser()->id(),
            'description' => $entity->stockChangeReason,
          ]);

        $movement->save();
      }
    }
  }
}

function commerce_stock_theme($existing, $type, $theme, $path) {
  return [
    'commerce_stock_inventory_control_form' => [
      'render element' => 'form',
    ],
  ];
}

/**
 * Implements hook_views_query_alter().
 */
function commerce_stock_views_query_alter(ViewExecutable $view, QueryPluginBase $query) {

  if ($view->id() == 'stock_movement') {
    $user = \Drupal::currentUser();
    if ($user->hasPermission('view stock movement at own location') && !$user->hasPermission('view stock movement at any location')) {
      // Create a new join to relate the 'commerce_stock_location__uid' table to our current 'commerce_stock_location' table.
      $definition = array(
        'table' => 'commerce_stock_location__uid',
        'field' => 'entity_id',
        'left_table' => 'commerce_stock_location_field_data_commerce_stock_movement_field_data',
        'left_field' => 'stock_location_id',
      );
      $join = Views::pluginManager('join')->createInstance('standard', $definition);

      $alias = $query->addRelationship('commerce_stock_location__uid', $join, 'commerce_stock_location_field_data');
      $query->addWhere(0, 'uid_target_id', $user->id(), '=');
    }
  }
}