From 6aed9f4cf34ab6f60584eca0ef6910d9938ac032 Mon Sep 17 00:00:00 2001
From: Lennard Swaneveld <len@noctilaris.nl>
Date: Tue, 13 Dec 2016 13:26:50 +0100
Subject: [PATCH 1/4] Views Add to cart handler

---
 .../src/Plugin/views/field/AddToCart.php      | 179 ++++++++++++++++++
 1 file changed, 179 insertions(+)
 create mode 100644 modules/order/src/Plugin/views/field/AddToCart.php

diff --git a/modules/order/src/Plugin/views/field/AddToCart.php b/modules/order/src/Plugin/views/field/AddToCart.php
new file mode 100644
index 0000000000..3c2ff03d5f
--- /dev/null
+++ b/modules/order/src/Plugin/views/field/AddToCart.php
@@ -0,0 +1,179 @@
+<?php
+
+namespace Drupal\uct_commerce\Plugin\views\field;
+
+use Drupal\commerce_cart\CartManagerInterface;
+use Drupal\commerce_cart\CartProviderInterface;
+use Drupal\commerce_store\StoreContextInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\views\Plugin\views\field\FieldPluginBase;
+use Drupal\views\Plugin\views\field\UncacheableFieldHandlerTrait;
+use Drupal\views\ResultRow;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a form element for editing the order item quantity.
+ *
+ * @ViewsField("uct_commerce_add_to_cart")
+ */
+class AddToCart extends FieldPluginBase {
+
+  use UncacheableFieldHandlerTrait;
+
+  /**
+   * The cart manager.
+   *
+   * @var \Drupal\commerce_cart\CartManagerInterface
+   */
+  protected $cartManager;
+
+  /**
+   * @var \Drupal\commerce_cart\CartProviderInterface
+   */
+  protected $cartProvider;
+
+  /**
+   * @var \Drupal\commerce_store\StoreContextInterface
+   */
+  protected $storeContext;
+  /**
+   * @var \Drupal\Core\Session\AccountInterface
+   */
+  private $currentUser;
+
+  /**
+   * Constructs a new EditQuantity object.
+   *
+   * @param array $configuration
+   *   A configuration array containing information about the plugin instance.
+   * @param string $plugin_id
+   *   The plugin ID for the plugin instance.
+   * @param mixed $plugin_definition
+   *   The plugin implementation definition.
+   * @param \Drupal\commerce_cart\CartManagerInterface $cart_manager
+   *   The cart manager.
+   * @param \Drupal\commerce_cart\CartProviderInterface $cart_provider
+   * @param \Drupal\commerce_store\StoreContextInterface $store_context
+   * @param \Drupal\Core\Session\AccountInterface $current_user
+   */
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, CartManagerInterface $cart_manager, CartProviderInterface $cart_provider, StoreContextInterface $store_context, AccountInterface $current_user) {
+    parent::__construct($configuration, $plugin_id, $plugin_definition);
+
+    $this->cartManager = $cart_manager;
+    $this->cartProvider = $cart_provider;
+    $this->storeContext = $store_context;
+    $this->currentUser = $current_user;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('commerce_cart.cart_manager'),
+      $container->get('commerce_cart.cart_provider'),
+      $container->get('commerce_store.store_context'),
+      $container->get('current_user')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getValue(ResultRow $row, $field = NULL) {
+    // Make sure the current user is allowed to use the cart.
+    if (!$this->currentUser->hasPermission('access cart')) {
+      return;
+    }
+    return '<!--form-item-' . $this->options['id'] . '--' . $row->index . '-->';
+  }
+
+  /**
+   * Form constructor for the views form.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public function viewsForm(&$form, FormStateInterface $form_state) {
+    // Hijack the original submit button and mold it to our use case.
+    $add_to_cart_button = $form['actions']['submit'];
+    $add_to_cart_button['#value'] = $this->t('Add to cart');
+    unset($form['actions']['submit']);
+
+    // Make sure the current user is allowed to use the cart.
+    if (!$this->currentUser->hasPermission('access cart')) {
+      return;
+    }
+    // Make sure we do not accidentally cache this form.
+    $form['#cache']['max-age'] = 0;
+    // The view is empty, abort.
+    if (empty($this->view->result)) {
+      unset($form['actions']);
+      return;
+    }
+
+    $form[$this->options['id']]['#tree'] = TRUE;
+    foreach ($this->view->result as $row_index => $row) {
+      $form[$this->options['id']][$row_index][] = [
+        '#type' => 'number',
+        '#title' => $this->t('Quantity'),
+        '#title_display' => 'invisible',
+        '#default_value' => round(0),
+        '#size' => 4,
+        '#min' => 0,
+        '#max' => 9999,
+        '#step' => 1,
+      ];
+      $form[$this->options['id']][$row_index][] = $add_to_cart_button;
+    }
+  }
+
+  /**
+   * Submit handler for the views form.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public function viewsFormSubmit(&$form, FormStateInterface $form_state) {
+    $quantities = $form_state->getValue($this->options['id']);
+    foreach ($quantities as $row_index => $quantity) {
+      if (empty($quantity[0])) {
+        continue;
+      }
+      /** @var \Drupal\commerce_product\Entity\ProductVariationInterface $product_variation */
+      $product_variation = $this->getEntity($this->view->result[$row_index]);
+
+      $order_item = $this->cartManager->createOrderItem($product_variation, $quantity[0]);
+
+      $cart = $this->cartProvider->getCart('default', $this->storeContext->getStore());
+      if (!$cart) {
+        $cart = $this->cartProvider->createCart('default', $this->storeContext->getStore());
+      }
+
+      $this->cartManager->addOrderItem($cart, $order_item);
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function query() {
+    // Do nothing.
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function clickSortable() {
+    return FALSE;
+  }
+
+}

From 4e64cc2ddab185c22de76460a4fa92c657b114e2 Mon Sep 17 00:00:00 2001
From: Lennard Swaneveld <len@noctilaris.nl>
Date: Tue, 13 Dec 2016 13:38:57 +0100
Subject: [PATCH 2/4] Views Add to cart moved to commoerce cart module

---
 modules/{order => cart}/src/Plugin/views/field/AddToCart.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
 rename modules/{order => cart}/src/Plugin/views/field/AddToCart.php (98%)

diff --git a/modules/order/src/Plugin/views/field/AddToCart.php b/modules/cart/src/Plugin/views/field/AddToCart.php
similarity index 98%
rename from modules/order/src/Plugin/views/field/AddToCart.php
rename to modules/cart/src/Plugin/views/field/AddToCart.php
index 3c2ff03d5f..4e4bb1aefb 100644
--- a/modules/order/src/Plugin/views/field/AddToCart.php
+++ b/modules/cart/src/Plugin/views/field/AddToCart.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\uct_commerce\Plugin\views\field;
+namespace Drupal\commerce_cart\Plugin\views\field;
 
 use Drupal\commerce_cart\CartManagerInterface;
 use Drupal\commerce_cart\CartProviderInterface;
@@ -15,7 +15,7 @@
 /**
  * Defines a form element for editing the order item quantity.
  *
- * @ViewsField("uct_commerce_add_to_cart")
+ * @ViewsField("commerce_cart_add_to_cart")
  */
 class AddToCart extends FieldPluginBase {
 

From af5888de7021d446a627ee52bd953fcea6f851b2 Mon Sep 17 00:00:00 2001
From: Lennard Swaneveld <len@noctilaris.nl>
Date: Tue, 13 Dec 2016 13:40:46 +0100
Subject: [PATCH 3/4] Comment tweak

---
 modules/cart/src/Plugin/views/field/AddToCart.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/cart/src/Plugin/views/field/AddToCart.php b/modules/cart/src/Plugin/views/field/AddToCart.php
index 4e4bb1aefb..d6cc00cd9c 100644
--- a/modules/cart/src/Plugin/views/field/AddToCart.php
+++ b/modules/cart/src/Plugin/views/field/AddToCart.php
@@ -13,7 +13,7 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
- * Defines a form element for editing the order item quantity.
+ * Defines a form element for adding a produtr variation to a cart.
  *
  * @ViewsField("commerce_cart_add_to_cart")
  */

From 808a3de1b3fd604152834c940a2e948e902e30db Mon Sep 17 00:00:00 2001
From: Lennard Swaneveld <len@noctilaris.nl>
Date: Tue, 13 Dec 2016 13:50:18 +0100
Subject: [PATCH 4/4] Comment tweak, retry...

---
 modules/cart/src/Plugin/views/field/AddToCart.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/cart/src/Plugin/views/field/AddToCart.php b/modules/cart/src/Plugin/views/field/AddToCart.php
index d6cc00cd9c..b54cab618a 100644
--- a/modules/cart/src/Plugin/views/field/AddToCart.php
+++ b/modules/cart/src/Plugin/views/field/AddToCart.php
@@ -13,7 +13,7 @@
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
 /**
- * Defines a form element for adding a produtr variation to a cart.
+ * Defines a form element for adding a product variation to a cart.
  *
  * @ViewsField("commerce_cart_add_to_cart")
  */