X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Fdrupal%2Fdrupal-driver%2Fsrc%2FDrupal%2FDriver%2FFields%2FDrupal8%2FEntityReferenceHandler.php;fp=vendor%2Fdrupal%2Fdrupal-driver%2Fsrc%2FDrupal%2FDriver%2FFields%2FDrupal8%2FEntityReferenceHandler.php;h=0552b6fe9826300760092b6f9bd39bc6d977d05a;hp=0000000000000000000000000000000000000000;hb=1270d9129ce8f27c9b28b10518e32132c58e0aca;hpb=c27c0f0cdaa3f354b1fe54a56ae7e854be6e3f68

diff --git a/vendor/drupal/drupal-driver/src/Drupal/Driver/Fields/Drupal8/EntityReferenceHandler.php b/vendor/drupal/drupal-driver/src/Drupal/Driver/Fields/Drupal8/EntityReferenceHandler.php
new file mode 100644
index 000000000..0552b6fe9
--- /dev/null
+++ b/vendor/drupal/drupal-driver/src/Drupal/Driver/Fields/Drupal8/EntityReferenceHandler.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\Driver\Fields\Drupal8;
+
+/**
+ * Entity Reference field handler for Drupal 8.
+ */
+class EntityReferenceHandler extends AbstractHandler {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function expand($values) {
+    $return = array();
+    $entity_type_id = $this->fieldInfo->getSetting('target_type');
+    $entity_definition = \Drupal::entityManager()->getDefinition($entity_type_id);
+    $label_key = $entity_definition->getKey('label');
+
+    // Determine target bundle restrictions.
+    $target_bundle_key = NULL;
+    if (!$target_bundles = $this->getTargetBundles()) {
+      $target_bundle_key = $entity_definition->getKey('bundle');
+    }
+
+    foreach ($values as $value) {
+      $query = \Drupal::entityQuery($entity_type_id)->condition($label_key, $value);
+      if ($target_bundles && $target_bundle_key) {
+        $query->condition($target_bundle_key, $target_bundles, 'IN');
+      }
+      if ($entities = $query->execute()) {
+        $return[] = array_shift($entities);
+      }
+      else {
+        throw new \Exception(sprintf("No entity '%s' of type '%s' exists.", $value, $entity_type_id));
+      }
+    }
+    return $return;
+  }
+
+  /**
+   * Retrieves bundles for which the field is configured to reference.
+   *
+   * @return mixed
+   *   Array of bundle names, or NULL if not able to determine bundles.
+   */
+  protected function getTargetBundles() {
+    $settings = $this->fieldConfig->getSettings();
+    if (!empty($settings['handler_settings']['target_bundles'])) {
+      return $settings['handler_settings']['target_bundles'];
+    }
+  }
+
+}