Version 1

[yaffs-website] / web / core / modules / rest / src / Plugin / rest / resource / EntityResourceValidationTrait.php

diff --git a/web/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php b/web/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php
new file mode 100644 (file)
index 0000000..09b4b64
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+++ b/web/core/modules/rest/src/Plugin/rest/resource/EntityResourceValidationTrait.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Drupal\rest\Plugin\rest\resource;
+
+use Drupal\Component\Render\PlainTextOutput;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\FieldableEntityInterface;
+use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;
+
+/**
+ * @internal
+ * @todo Consider making public in https://www.drupal.org/node/2300677
+ */
+trait EntityResourceValidationTrait {
+
+  /**
+   * Verifies that the whole entity does not violate any validation constraints.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity to validate.
+   *
+   * @throws \Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException
+   *   If validation errors are found.
+   */
+  protected function validate(EntityInterface $entity) {
+    // @todo Remove when https://www.drupal.org/node/2164373 is committed.
+    if (!$entity instanceof FieldableEntityInterface) {
+      return;
+    }
+    $violations = $entity->validate();
+
+    // Remove violations of inaccessible fields as they cannot stem from our
+    // changes.
+    $violations->filterByFieldAccess();
+
+    if ($violations->count() > 0) {
+      $message = "Unprocessable Entity: validation failed.\n";
+      foreach ($violations as $violation) {
+        // We strip every HTML from the error message to have a nicer to read
+        // message on REST responses.
+        $message .= $violation->getPropertyPath() . ': ' . PlainTextOutput::renderFromHtml($violation->getMessage()) . "\n";
+      }
+      throw new UnprocessableEntityHttpException($message);
+    }
+  }
+
+}