Issue #2866419 by vasike, bojanz: Order total summary missing in cart

Author: vasike

modules/cart/commerce_cart.module

@@ -32,6 +32,19 @@ function commerce_cart_theme($existing, $type, $theme, $path) {
   ];
 }
 
+/**
+ * Implements hook_preprocess_views_view().
+ *
+ * Moves the commerce_cart_form footer output above the submit buttons.
+ */
+function commerce_cart_preprocess_views_view(&$variables) {
+  $view = $variables['view'];
+  if (strpos($view->storage->get('tag'), 'commerce_cart_form') !== FALSE) {
+    $variables['rows']['footer'] = $variables['footer'];
+    $variables['footer'] = '';
+  }
+}
+
 /**
  * Implements hook_entity_base_field_info().
  */

modules/cart/commerce_cart.post_update.php

@@ -37,3 +37,35 @@ function commerce_cart_post_update_1() {
 
   return $message;
 }
+
+/**
+ * Revert the cart block and form views.
+ */
+function commerce_cart_post_update_2() {
+  /** @var \Drupal\commerce\Config\ConfigUpdaterInterface $config_updater */
+  $config_updater = \Drupal::service('commerce.config_updater');
+
+  $views = [
+    'views.view.commerce_cart_block',
+    'views.view.commerce_cart_form',
+  ];
+  $result = $config_updater->revert($views);
+
+  $success_results = $result->getSucceeded();
+  $failure_results = $result->getFailed();
+  if ($success_results) {
+    $message = t('Succeeded:') . '<br>';
+    foreach ($success_results as $success_message) {
+      $message .= $success_message . '<br>';
+    }
+    $message .= '<br>';
+  }
+  if ($failure_results) {
+    $message .= t('Failed:') . '<br>';
+    foreach ($failure_results as $failure_message) {
+      $message .= $failure_message . '<br>';
+    }
+  }
+
+  return $message;
+}

modules/cart/config/install/views.view.commerce_cart_form.yml

@@ -396,7 +396,16 @@ display:
           entity_field: order_item_id
           plugin_id: standard
       header: {  }
-      footer: {  }
+      footer:
+        commerce_order_total:
+          id: commerce_order_total
+          table: views
+          field: commerce_order_total
+          relationship: none
+          group_type: group
+          admin_label: ''
+          empty: false
+          plugin_id: commerce_order_total
       empty: {  }
       relationships:
         order_items:

modules/cart/tests/src/Functional/CartTest.php

@@ -65,6 +65,10 @@ public function testCartPage() {
     $this->cartManager->addEntity($this->cart, $this->variation);
 
     $this->drupalGet('cart');
+    // Confirm the presence of the order total summary.
+    $this->assertSession()->elementTextContains('css', '.order-total-line', 'Subtotal');
+    $this->assertSession()->elementTextContains('css', '.order-total-line', 'Total');
+    $this->assertSession()->pageTextContains('$999.00');
     // Confirm the presence and functioning of the Quantity field.
     $this->assertSession()->fieldValueEquals('edit-edit-quantity-0', 1);
     $this->assertSession()->buttonExists('Update cart');
@@ -73,6 +77,8 @@ public function testCartPage() {
     ];
     $this->submitForm($values, t('Update cart'));
     $this->assertSession()->fieldValueEquals('edit-edit-quantity-0', 2);
+    $this->assertSession()->elementTextContains('css', '.order-total-line', 'Total');
+    $this->assertSession()->pageTextContains('$1,998.00');
 
     // Confirm the presence and functioning of the Remove button.
     $this->assertSession()->buttonExists('Remove');

modules/promotion/tests/src/Functional/CouponRedemptionTest.php

@@ -117,6 +117,7 @@ public function testCouponRedemption() {
     $existing_coupon = $this->promotion->get('coupons')->first()->entity;
 
     $this->assertSession()->pageTextContains('Enter your promotion code to redeem a discount.');
+    $this->assertSession()->elementTextNotContains('css', '.order-total-line', 'Discount');
 
     // Test entering an invalid coupon.
     $this->getSession()->getPage()->fillField('Promotion code', $this->randomString());
@@ -127,11 +128,14 @@ public function testCouponRedemption() {
     $this->getSession()->getPage()->pressButton('Apply');
 
     $this->assertSession()->pageTextContains('Coupon applied');
+    $this->assertSession()->elementTextContains('css', '.order-total-line', 'Discount');
+    $this->assertSession()->pageTextContains('-$99.90');
 
     $this->assertSession()->fieldNotExists('coupons[code]');
     $this->assertSession()->buttonNotExists('Apply');
     $this->getSession()->getPage()->pressButton('Remove promotion');
 
+    $this->assertSession()->elementTextNotContains('css', '.order-total-line', 'Discount');
     $this->assertSession()->fieldExists('coupons[code]');
     $this->assertSession()->buttonExists('Apply');
   }