Add a simple Plan record relationship entity type (with bundles).

modules/core/plan/modules/record/config/schema/plan_record.schema.yml

@@ -0,0 +1,13 @@
+plan_record.type.*:
+  type: config_entity
+  label: 'Plan record relationship type'
+  mapping:
+    id:
+      type: string
+      label: 'Machine-readable name'
+    label:
+      type: label
+      label: 'Type'
+    description:
+      type: text
+      label: 'Description'

modules/core/plan/modules/record/plan_record.info.yml

@@ -3,3 +3,5 @@ description: Provides an entity to store the relationship between a plan and a r
 type: module
 package: farmOS
 core_version_requirement: ^10
+dependencies:
+  - entity:entity

modules/core/plan/modules/record/src/Entity/PlanRecord.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Drupal\plan_record\Entity;
+
+use Drupal\Core\Entity\ContentEntityBase;
+
+/**
+ * Defines the Plan record relationship entity.
+ *
+ * @ContentEntityType(
+ *   id = "plan_record",
+ *   label = @Translation("Plan record relationship"),
+ *   bundle_label = @Translation("Plan record relationship type"),
+ *   label_collection = @Translation("Plan record relationships"),
+ *   label_singular = @Translation("plan record relationship"),
+ *   label_plural = @Translation("plan record relationships"),
+ *   label_count = @PluralTranslation(
+ *     singular = "@count plan record relationship",
+ *     plural = "@count plan record relationships",
+ *   ),
+ *   base_table = "plan_record",
+ *   data_table = "plan_record_data",
+ *   entity_keys = {
+ *     "id" = "id",
+ *     "uuid" = "uuid",
+ *     "label" = "uuid",
+ *     "bundle" = "type",
+ *   },
+ *   bundle_entity_type = "plan_record_type",
+ *   common_reference_target = TRUE,
+ * )
+ */
+class PlanRecord extends ContentEntityBase implements PlanRecordInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getBundleLabel() {
+    /** @var \Drupal\plan_record\Entity\PlanRecordTypeInterface $type */
+    $type = \Drupal::entityTypeManager()
+      ->getStorage('plan_record_type')
+      ->load($this->bundle());
+    return $type->label();
+  }
+
+}

modules/core/plan/modules/record/src/Entity/PlanRecordInterface.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace Drupal\plan_record\Entity;
+
+use Drupal\Core\Entity\ContentEntityInterface;
+
+/**
+ * Provides an interface for defining plan record relationship entities.
+ */
+interface PlanRecordInterface extends ContentEntityInterface {
+
+  /**
+   * Gets the label of the plan record relationship type.
+   *
+   * @return string
+   *   The label of the plan record relationship type.
+   */
+  public function getBundleLabel();
+
+}

modules/core/plan/modules/record/src/Entity/PlanRecordType.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Drupal\plan_record\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityBundleBase;
+
+/**
+ * Defines the Plan record relationship type entity.
+ *
+ * @ConfigEntityType(
+ *   id = "plan_record_type",
+ *   label = @Translation("Plan record relationship type"),
+ *   label_collection = @Translation("Plan record relationship types"),
+ *   label_singular = @Translation("Plan record relationship type"),
+ *   label_plural = @Translation("plan record relationship types"),
+ *   label_count = @PluralTranslation(
+ *     singular = "@count plan record relationship type",
+ *     plural = "@count plan record relationship types",
+ *   ),
+ *   handlers = {
+ *     "access" = "\Drupal\entity\BundleEntityAccessControlHandler",
+ *   },
+ *   config_prefix = "type",
+ *   bundle_of = "plan_record",
+ *   entity_keys = {
+ *     "id" = "id",
+ *     "label" = "label",
+ *     "uuid" = "uuid",
+ *   },
+ *   config_export = {
+ *     "id",
+ *     "label",
+ *     "description",
+ *   }
+ * )
+ */
+class PlanRecordType extends ConfigEntityBundleBase implements PlanRecordTypeInterface {
+
+  /**
+   * The Plan record relationship type ID.
+   *
+   * @var string
+   */
+  protected $id;
+
+  /**
+   * The Plan record relationship type label.
+   *
+   * @var string
+   */
+  protected $label;
+
+  /**
+   * A brief description of this plan record relationship type.
+   *
+   * @var string
+   */
+  protected $description;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return $this->description;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setDescription($description) {
+    return $this->set('description', $description);
+  }
+
+}

modules/core/plan/modules/record/src/Entity/PlanRecordTypeInterface.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Drupal\plan_record\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityInterface;
+use Drupal\Core\Entity\EntityDescriptionInterface;
+
+/**
+ * Provides an interface for defining Plan record relationship type entities.
+ */
+interface PlanRecordTypeInterface extends ConfigEntityInterface, EntityDescriptionInterface {
+
+}