Added actor-case relation

modules/opencase_cases/config/schema/oc_actor_case_relation_type.schema.yml

@@ -0,0 +1,12 @@
+opencase_cases.oc_actor_case_relation_type.*:
+  type: config_entity
+  label: 'Actor-Case Relation type config'
+  mapping:
+    id:
+      type: string
+      label: 'ID'
+    label:
+      type: label
+      label: 'Label'
+    uuid:
+      type: string

modules/opencase_cases/oc_actor_case_relation.page.inc

@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * @file
+ * Contains oc_actor_case_relation.page.inc.
+ *
+ * Page callback for Actor-Case Relation entities.
+ */
+
+use Drupal\Core\Render\Element;
+
+/**
+ * Prepares variables for Actor-Case Relation templates.
+ *
+ * Default template: oc_actor_case_relation.html.twig.
+ *
+ * @param array $variables
+ *   An associative array containing:
+ *   - elements: An associative array containing the user information and any
+ *   - attributes: HTML attributes for the containing element.
+ */
+function template_preprocess_oc_actor_case_relation(array &$variables) {
+  // Fetch OCActorCaseRelation Entity Object.
+  $oc_actor_case_relation = $variables['elements']['#oc_actor_case_relation'];
+
+  // Helpful $content variable for templates.
+  foreach (Element::children($variables['elements']) as $key) {
+    $variables['content'][$key] = $variables['elements'][$key];
+  }
+}

modules/opencase_cases/opencase_cases.info.yml

@@ -7,5 +7,4 @@ dependencies:
   0: opencase_entities
   1: datetime
   4: options
-  5: paragraphs
   6: user

modules/opencase_cases/opencase_cases.links.action.yml

@@ -10,3 +10,13 @@ entity.oc_case_type.add_form:
   appears_on:
     - entity.oc_case_type.collection
 
+entity.oc_actor_case_relation.add_form:
+  route_name: entity.oc_actor_case_relation.add_page
+  title: 'Add Actor-Case Relation'
+  appears_on:
+    - entity.oc_actor_case_relation.collection
+entity.oc_actor_case_relation_type.add_form:
+  route_name: entity.oc_actor_case_relation_type.add_form
+  title: 'Add Actor-Case Relation type'
+  appears_on:
+    - entity.oc_actor_case_relation_type.collection

modules/opencase_cases/opencase_cases.links.menu.yml

@@ -23,3 +23,20 @@ entity.oc_case_type.collection:
   weight: 99
 
 
+
+# Actor-Case Relation menu items definition
+entity.oc_actor_case_relation.collection:
+  title: 'Actor-Case Relation list'
+  route_name: entity.oc_actor_case_relation.collection
+  description: 'List Actor-Case Relation entities'
+  parent: system.admin_structure
+  weight: 100
+
+
+# Actor-Case Relation type menu items definition
+entity.oc_actor_case_relation_type.collection:
+  title: 'Actor-Case Relation type'
+  route_name: entity.oc_actor_case_relation_type.collection
+  description: 'List Actor-Case Relation type (bundles)'
+  parent: system.admin_structure
+  weight: 99

modules/opencase_cases/opencase_cases.links.task.yml

@@ -21,3 +21,25 @@ entity.oc_case.delete_form:
   base_route:  entity.oc_case.canonical
   title: Delete
   weight: 10
+# Actor-Case Relation routing definition
+
+entity.oc_actor_case_relation.canonical:
+  route_name: entity.oc_actor_case_relation.canonical
+  base_route: entity.oc_actor_case_relation.canonical
+  title: 'View'
+
+entity.oc_actor_case_relation.edit_form:
+  route_name: entity.oc_actor_case_relation.edit_form
+  base_route: entity.oc_actor_case_relation.canonical
+  title: 'Edit'
+
+entity.oc_actor_case_relation.version_history:
+  route_name: entity.oc_actor_case_relation.version_history
+  base_route: entity.oc_actor_case_relation.canonical
+  title: 'Revisions'
+
+entity.oc_actor_case_relation.delete_form:
+  route_name:  entity.oc_actor_case_relation.delete_form
+  base_route:  entity.oc_actor_case_relation.canonical
+  title: Delete
+  weight: 10

modules/opencase_cases/opencase_cases.module

@@ -137,3 +137,37 @@ function opencase_query_oc_activity_access_alter($query) {
   $query->addJoin('INNER', 'oc_case__actors_involved', 'access_filter', 'access_filter.entity_id = oc_activity_field_data.oc_case');
   $query->condition('access_filter.actors_involved_target_id', $linked_actor_id);
 }
+
+/**
+ * Implements hook_theme().
+ */
+function opencase_cases_theme() {
+  $theme = [];
+  $theme['oc_actor_case_relation'] = [
+    'render element' => 'elements',
+    'file' => 'oc_actor_case_relation.page.inc',
+    'template' => 'oc_actor_case_relation',
+  ];
+  $theme['oc_actor_case_relation_content_add_list'] = [
+    'render element' => 'content',
+    'variables' => ['content' => NULL],
+    'file' => 'oc_actor_case_relation.page.inc',
+  ];
+  return $theme;
+}
+
+/**
+ * Implements hook_theme_suggestions_HOOK().
+ */
+function opencase_cases_theme_suggestions_oc_actor_case_relation(array $variables) {
+  $suggestions = [];
+  $entity = $variables['elements']['#oc_actor_case_relation'];
+  $sanitized_view_mode = strtr($variables['elements']['#view_mode'], '.', '_');
+
+  $suggestions[] = 'oc_actor_case_relation__' . $sanitized_view_mode;
+  $suggestions[] = 'oc_actor_case_relation__' . $entity->bundle();
+  $suggestions[] = 'oc_actor_case_relation__' . $entity->bundle() . '__' . $sanitized_view_mode;
+  $suggestions[] = 'oc_actor_case_relation__' . $entity->id();
+  $suggestions[] = 'oc_actor_case_relation__' . $entity->id() . '__' . $sanitized_view_mode;
+  return $suggestions;
+}

modules/opencase_cases/opencase_cases.permissions.yml

@@ -0,0 +1,33 @@
+add actor-case relation entities:
+  title: 'Create new Actor-Case Relation entities'
+
+administer actor-case relation entities:
+  title: 'Administer Actor-Case Relation entities'
+  description: 'Allow to access the administration form to configure Actor-Case Relation entities.'
+  restrict access: true
+
+delete actor-case relation entities:
+  title: 'Delete Actor-Case Relation entities'
+
+edit actor-case relation entities:
+  title: 'Edit Actor-Case Relation entities'
+
+view published actor-case relation entities:
+  title: 'View published Actor-Case Relation entities'
+
+view unpublished actor-case relation entities:
+  title: 'View unpublished Actor-Case Relation entities'
+
+view all actor-case relation revisions:
+  title: 'View all Actor-Case Relation revisions'
+
+revert all actor-case relation revisions:
+  title: 'Revert all Actor-Case Relation revisions'
+  description: 'Role requires permission <em>view Actor-Case Relation revisions</em> and <em>edit rights</em> for actor-case relation entities in question or <em>administer actor-case relation entities</em>.'
+
+delete all actor-case relation revisions:
+  title: 'Delete all revisions'
+  description: 'Role requires permission to <em>view Actor-Case Relation revisions</em> and <em>delete rights</em> for actor-case relation entities in question or <em>administer actor-case relation entities</em>.'
+
+permission_callbacks:
+  - \Drupal\opencase_cases\OCActorCaseRelationPermissions::generatePermissions

modules/opencase_cases/src/Controller/OCActorCaseRelationController.php

@@ -0,0 +1,209 @@
+<?php
+
+namespace Drupal\opencase_cases\Controller;
+
+use Drupal\Component\Utility\Xss;
+use Drupal\Core\Controller\ControllerBase;
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\Url;
+use Drupal\opencase_cases\Entity\OCActorCaseRelationInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Class OCActorCaseRelationController.
+ *
+ *  Returns responses for Actor-Case Relation routes.
+ */
+class OCActorCaseRelationController extends ControllerBase implements ContainerInjectionInterface {
+
+  /**
+   * The date formatter.
+   *
+   * @var \Drupal\Core\Datetime\DateFormatter
+   */
+  protected $dateFormatter;
+
+  /**
+   * The renderer.
+   *
+   * @var \Drupal\Core\Render\Renderer
+   */
+  protected $renderer;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    $instance = parent::create($container);
+    $instance->dateFormatter = $container->get('date.formatter');
+    $instance->renderer = $container->get('renderer');
+    return $instance;
+  }
+
+  /**
+   * Displays a Actor-Case Relation revision.
+   *
+   * @param int $oc_actor_case_relation_revision
+   *   The Actor-Case Relation revision ID.
+   *
+   * @return array
+   *   An array suitable for drupal_render().
+   */
+  public function revisionShow($oc_actor_case_relation_revision) {
+    $oc_actor_case_relation = $this->entityTypeManager()->getStorage('oc_actor_case_relation')
+      ->loadRevision($oc_actor_case_relation_revision);
+    $view_builder = $this->entityTypeManager()->getViewBuilder('oc_actor_case_relation');
+
+    return $view_builder->view($oc_actor_case_relation);
+  }
+
+  /**
+   * Page title callback for a Actor-Case Relation revision.
+   *
+   * @param int $oc_actor_case_relation_revision
+   *   The Actor-Case Relation revision ID.
+   *
+   * @return string
+   *   The page title.
+   */
+  public function revisionPageTitle($oc_actor_case_relation_revision) {
+    $oc_actor_case_relation = $this->entityTypeManager()->getStorage('oc_actor_case_relation')
+      ->loadRevision($oc_actor_case_relation_revision);
+    return $this->t('Revision of %title from %date', [
+      '%title' => $oc_actor_case_relation->label(),
+      '%date' => $this->dateFormatter->format($oc_actor_case_relation->getRevisionCreationTime()),
+    ]);
+  }
+
+  /**
+   * Generates an overview table of older revisions of a Actor-Case Relation.
+   *
+   * @param \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $oc_actor_case_relation
+   *   A Actor-Case Relation object.
+   *
+   * @return array
+   *   An array as expected by drupal_render().
+   */
+  public function revisionOverview(OCActorCaseRelationInterface $oc_actor_case_relation) {
+    $account = $this->currentUser();
+    $oc_actor_case_relation_storage = $this->entityTypeManager()->getStorage('oc_actor_case_relation');
+
+    $langcode = $oc_actor_case_relation->language()->getId();
+    $langname = $oc_actor_case_relation->language()->getName();
+    $languages = $oc_actor_case_relation->getTranslationLanguages();
+    $has_translations = (count($languages) > 1);
+    $build['#title'] = $has_translations ? $this->t('@langname revisions for %title', ['@langname' => $langname, '%title' => $oc_actor_case_relation->label()]) : $this->t('Revisions for %title', ['%title' => $oc_actor_case_relation->label()]);
+
+    $header = [$this->t('Revision'), $this->t('Operations')];
+    $revert_permission = (($account->hasPermission("revert all actor-case relation revisions") || $account->hasPermission('administer actor-case relation entities')));
+    $delete_permission = (($account->hasPermission("delete all actor-case relation revisions") || $account->hasPermission('administer actor-case relation entities')));
+
+    $rows = [];
+
+    $vids = $oc_actor_case_relation_storage->revisionIds($oc_actor_case_relation);
+
+    $latest_revision = TRUE;
+
+    foreach (array_reverse($vids) as $vid) {
+      /** @var \Drupal\opencase_cases\OCActorCaseRelationInterface $revision */
+      $revision = $oc_actor_case_relation_storage->loadRevision($vid);
+      // Only show revisions that are affected by the language that is being
+      // displayed.
+      if ($revision->hasTranslation($langcode) && $revision->getTranslation($langcode)->isRevisionTranslationAffected()) {
+        $username = [
+          '#theme' => 'username',
+          '#account' => $revision->getRevisionUser(),
+        ];
+
+        // Use revision link to link to revisions that are not active.
+        $date = $this->dateFormatter->format($revision->getRevisionCreationTime(), 'short');
+        if ($vid != $oc_actor_case_relation->getRevisionId()) {
+          $link = $this->l($date, new Url('entity.oc_actor_case_relation.revision', [
+            'oc_actor_case_relation' => $oc_actor_case_relation->id(),
+            'oc_actor_case_relation_revision' => $vid,
+          ]));
+        }
+        else {
+          $link = $oc_actor_case_relation->link($date);
+        }
+
+        $row = [];
+        $column = [
+          'data' => [
+            '#type' => 'inline_template',
+            '#template' => '{% trans %}{{ date }} by {{ username }}{% endtrans %}{% if message %}<p class="revision-log">{{ message }}</p>{% endif %}',
+            '#context' => [
+              'date' => $link,
+              'username' => $this->renderer->renderPlain($username),
+              'message' => [
+                '#markup' => $revision->getRevisionLogMessage(),
+                '#allowed_tags' => Xss::getHtmlTagList(),
+              ],
+            ],
+          ],
+        ];
+        $row[] = $column;
+
+        if ($latest_revision) {
+          $row[] = [
+            'data' => [
+              '#prefix' => '<em>',
+              '#markup' => $this->t('Current revision'),
+              '#suffix' => '</em>',
+            ],
+          ];
+          foreach ($row as &$current) {
+            $current['class'] = ['revision-current'];
+          }
+          $latest_revision = FALSE;
+        }
+        else {
+          $links = [];
+          if ($revert_permission) {
+            $links['revert'] = [
+              'title' => $this->t('Revert'),
+              'url' => $has_translations ?
+              Url::fromRoute('entity.oc_actor_case_relation.translation_revert', [
+                'oc_actor_case_relation' => $oc_actor_case_relation->id(),
+                'oc_actor_case_relation_revision' => $vid,
+                'langcode' => $langcode,
+              ]) :
+              Url::fromRoute('entity.oc_actor_case_relation.revision_revert', [
+                'oc_actor_case_relation' => $oc_actor_case_relation->id(),
+                'oc_actor_case_relation_revision' => $vid,
+              ]),
+            ];
+          }
+
+          if ($delete_permission) {
+            $links['delete'] = [
+              'title' => $this->t('Delete'),
+              'url' => Url::fromRoute('entity.oc_actor_case_relation.revision_delete', [
+                'oc_actor_case_relation' => $oc_actor_case_relation->id(),
+                'oc_actor_case_relation_revision' => $vid,
+              ]),
+            ];
+          }
+
+          $row[] = [
+            'data' => [
+              '#type' => 'operations',
+              '#links' => $links,
+            ],
+          ];
+        }
+
+        $rows[] = $row;
+      }
+    }
+
+    $build['oc_actor_case_relation_revisions_table'] = [
+      '#theme' => 'table',
+      '#rows' => $rows,
+      '#header' => $header,
+    ];
+
+    return $build;
+  }
+
+}

modules/opencase_cases/src/Entity/OCActorCaseRelation.php

@@ -0,0 +1,268 @@
+<?php
+
+namespace Drupal\opencase_cases\Entity;
+
+use Drupal\Core\Entity\EntityStorageInterface;
+use Drupal\Core\Field\BaseFieldDefinition;
+use Drupal\Core\Entity\EditorialContentEntityBase;
+use Drupal\Core\Entity\RevisionableInterface;
+use Drupal\Core\Entity\EntityChangedTrait;
+use Drupal\Core\Entity\EntityPublishedTrait;
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\user\UserInterface;
+
+/**
+ * Defines the Actor-Case Relation entity.
+ *
+ * @ingroup opencase_cases
+ *
+ * @ContentEntityType(
+ *   id = "oc_actor_case_relation",
+ *   label = @Translation("Actor-Case Relation"),
+ *   bundle_label = @Translation("Actor-Case Relation type"),
+ *   handlers = {
+ *     "storage" = "Drupal\opencase_cases\OCActorCaseRelationStorage",
+ *     "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
+ *     "list_builder" = "Drupal\opencase_cases\OCActorCaseRelationListBuilder",
+ *     "views_data" = "Drupal\opencase_cases\Entity\OCActorCaseRelationViewsData",
+ *     "translation" = "Drupal\opencase_cases\OCActorCaseRelationTranslationHandler",
+ *
+ *     "form" = {
+ *       "default" = "Drupal\opencase_cases\Form\OCActorCaseRelationForm",
+ *       "add" = "Drupal\opencase_cases\Form\OCActorCaseRelationForm",
+ *       "edit" = "Drupal\opencase_cases\Form\OCActorCaseRelationForm",
+ *       "delete" = "Drupal\opencase_cases\Form\OCActorCaseRelationDeleteForm",
+ *     },
+ *     "route_provider" = {
+ *       "html" = "Drupal\opencase_cases\OCActorCaseRelationHtmlRouteProvider",
+ *     },
+ *     "access" = "Drupal\opencase_cases\OCActorCaseRelationAccessControlHandler",
+ *   },
+ *   base_table = "oc_actor_case_relation",
+ *   data_table = "oc_actor_case_relation_field_data",
+ *   revision_table = "oc_actor_case_relation_revision",
+ *   revision_data_table = "oc_actor_case_relation_field_revision",
+ *   translatable = TRUE,
+ *   permission_granularity = "bundle",
+ *   admin_permission = "administer actor-case relation entities",
+ *   entity_keys = {
+ *     "id" = "id",
+ *     "revision" = "vid",
+ *     "bundle" = "type",
+ *     "label" = "name",
+ *     "uuid" = "uuid",
+ *     "uid" = "user_id",
+ *     "langcode" = "langcode",
+ *     "published" = "status",
+ *   },
+ *   links = {
+ *     "canonical" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}",
+ *     "add-page" = "/admin/structure/oc_actor_case_relation/add",
+ *     "add-form" = "/admin/structure/oc_actor_case_relation/add/{oc_actor_case_relation_type}",
+ *     "edit-form" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/edit",
+ *     "delete-form" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/delete",
+ *     "version-history" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/revisions",
+ *     "revision" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/revisions/{oc_actor_case_relation_revision}/view",
+ *     "revision_revert" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/revisions/{oc_actor_case_relation_revision}/revert",
+ *     "revision_delete" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/revisions/{oc_actor_case_relation_revision}/delete",
+ *     "translation_revert" = "/admin/structure/oc_actor_case_relation/{oc_actor_case_relation}/revisions/{oc_actor_case_relation_revision}/revert/{langcode}",
+ *     "collection" = "/admin/structure/oc_actor_case_relation",
+ *   },
+ *   bundle_entity_type = "oc_actor_case_relation_type",
+ *   field_ui_base_route = "entity.oc_actor_case_relation_type.edit_form"
+ * )
+ */
+class OCActorCaseRelation extends EditorialContentEntityBase implements OCActorCaseRelationInterface {
+
+  use EntityChangedTrait;
+  use EntityPublishedTrait;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function preCreate(EntityStorageInterface $storage_controller, array &$values) {
+    parent::preCreate($storage_controller, $values);
+    $values += [
+      'user_id' => \Drupal::currentUser()->id(),
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function urlRouteParameters($rel) {
+    $uri_route_parameters = parent::urlRouteParameters($rel);
+
+    if ($rel === 'revision_revert' && $this instanceof RevisionableInterface) {
+      $uri_route_parameters[$this->getEntityTypeId() . '_revision'] = $this->getRevisionId();
+    }
+    elseif ($rel === 'revision_delete' && $this instanceof RevisionableInterface) {
+      $uri_route_parameters[$this->getEntityTypeId() . '_revision'] = $this->getRevisionId();
+    }
+
+    return $uri_route_parameters;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function preSave(EntityStorageInterface $storage) {
+    parent::preSave($storage);
+
+    foreach (array_keys($this->getTranslationLanguages()) as $langcode) {
+      $translation = $this->getTranslation($langcode);
+
+      // If no owner has been set explicitly, make the anonymous user the owner.
+      if (!$translation->getOwner()) {
+        $translation->setOwnerId(0);
+      }
+    }
+
+    // If no revision author has been set explicitly,
+    // make the oc_actor_case_relation owner the revision author.
+    if (!$this->getRevisionUser()) {
+      $this->setRevisionUserId($this->getOwnerId());
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getName() {
+    return $this->get('name')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setName($name) {
+    $this->set('name', $name);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCreatedTime() {
+    return $this->get('created')->value;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setCreatedTime($timestamp) {
+    $this->set('created', $timestamp);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getOwner() {
+    return $this->get('user_id')->entity;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getOwnerId() {
+    return $this->get('user_id')->target_id;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setOwnerId($uid) {
+    $this->set('user_id', $uid);
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setOwner(UserInterface $account) {
+    $this->set('user_id', $account->id());
+    return $this;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
+    $fields = parent::baseFieldDefinitions($entity_type);
+
+    // Add the published field.
+    $fields += static::publishedBaseFieldDefinitions($entity_type);
+
+    $fields['user_id'] = BaseFieldDefinition::create('entity_reference')
+      ->setLabel(t('Authored by'))
+      ->setDescription(t('The user ID of author of the Actor-Case Relation entity.'))
+      ->setRevisionable(TRUE)
+      ->setSetting('target_type', 'user')
+      ->setSetting('handler', 'default')
+      ->setTranslatable(TRUE)
+      ->setDisplayOptions('view', [
+        'label' => 'hidden',
+        'type' => 'author',
+        'weight' => 0,
+      ])
+      ->setDisplayOptions('form', [
+        'type' => 'entity_reference_autocomplete',
+        'weight' => 5,
+        'settings' => [
+          'match_operator' => 'CONTAINS',
+          'size' => '60',
+          'autocomplete_type' => 'tags',
+          'placeholder' => '',
+        ],
+      ])
+      ->setDisplayConfigurable('form', TRUE)
+      ->setDisplayConfigurable('view', TRUE);
+
+    $fields['name'] = BaseFieldDefinition::create('string')
+      ->setLabel(t('Name'))
+      ->setDescription(t('The name of the Actor-Case Relation entity.'))
+      ->setRevisionable(TRUE)
+      ->setSettings([
+        'max_length' => 50,
+        'text_processing' => 0,
+      ])
+      ->setDefaultValue('')
+      ->setDisplayOptions('view', [
+        'label' => 'above',
+        'type' => 'string',
+        'weight' => -4,
+      ])
+      ->setDisplayOptions('form', [
+        'type' => 'string_textfield',
+        'weight' => -4,
+      ])
+      ->setDisplayConfigurable('form', TRUE)
+      ->setDisplayConfigurable('view', TRUE)
+      ->setRequired(TRUE);
+
+    $fields['status']->setDescription(t('A boolean indicating whether the Actor-Case Relation is published.'))
+      ->setDisplayOptions('form', [
+        'type' => 'boolean_checkbox',
+        'weight' => -3,
+      ]);
+
+    $fields['created'] = BaseFieldDefinition::create('created')
+      ->setLabel(t('Created'))
+      ->setDescription(t('The time that the entity was created.'));
+
+    $fields['changed'] = BaseFieldDefinition::create('changed')
+      ->setLabel(t('Changed'))
+      ->setDescription(t('The time that the entity was last edited.'));
+
+    $fields['revision_translation_affected'] = BaseFieldDefinition::create('boolean')
+      ->setLabel(t('Revision translation affected'))
+      ->setDescription(t('Indicates if the last edit of a translation belongs to current revision.'))
+      ->setReadOnly(TRUE)
+      ->setRevisionable(TRUE)
+      ->setTranslatable(TRUE);
+
+    return $fields;
+  }
+
+}

modules/opencase_cases/src/Entity/OCActorCaseRelationInterface.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace Drupal\opencase_cases\Entity;
+
+use Drupal\Core\Entity\ContentEntityInterface;
+use Drupal\Core\Entity\RevisionLogInterface;
+use Drupal\Core\Entity\EntityChangedInterface;
+use Drupal\Core\Entity\EntityPublishedInterface;
+use Drupal\user\EntityOwnerInterface;
+
+/**
+ * Provides an interface for defining Actor-Case Relation entities.
+ *
+ * @ingroup opencase_cases
+ */
+interface OCActorCaseRelationInterface extends ContentEntityInterface, RevisionLogInterface, EntityChangedInterface, EntityPublishedInterface, EntityOwnerInterface {
+
+  /**
+   * Add get/set methods for your configuration properties here.
+   */
+
+  /**
+   * Gets the Actor-Case Relation name.
+   *
+   * @return string
+   *   Name of the Actor-Case Relation.
+   */
+  public function getName();
+
+  /**
+   * Sets the Actor-Case Relation name.
+   *
+   * @param string $name
+   *   The Actor-Case Relation name.
+   *
+   * @return \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   *   The called Actor-Case Relation entity.
+   */
+  public function setName($name);
+
+  /**
+   * Gets the Actor-Case Relation creation timestamp.
+   *
+   * @return int
+   *   Creation timestamp of the Actor-Case Relation.
+   */
+  public function getCreatedTime();
+
+  /**
+   * Sets the Actor-Case Relation creation timestamp.
+   *
+   * @param int $timestamp
+   *   The Actor-Case Relation creation timestamp.
+   *
+   * @return \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   *   The called Actor-Case Relation entity.
+   */
+  public function setCreatedTime($timestamp);
+
+  /**
+   * Gets the Actor-Case Relation revision creation timestamp.
+   *
+   * @return int
+   *   The UNIX timestamp of when this revision was created.
+   */
+  public function getRevisionCreationTime();
+
+  /**
+   * Sets the Actor-Case Relation revision creation timestamp.
+   *
+   * @param int $timestamp
+   *   The UNIX timestamp of when this revision was created.
+   *
+   * @return \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   *   The called Actor-Case Relation entity.
+   */
+  public function setRevisionCreationTime($timestamp);
+
+  /**
+   * Gets the Actor-Case Relation revision author.
+   *
+   * @return \Drupal\user\UserInterface
+   *   The user entity for the revision author.
+   */
+  public function getRevisionUser();
+
+  /**
+   * Sets the Actor-Case Relation revision author.
+   *
+   * @param int $uid
+   *   The user ID of the revision author.
+   *
+   * @return \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   *   The called Actor-Case Relation entity.
+   */
+  public function setRevisionUserId($uid);
+
+}

modules/opencase_cases/src/Entity/OCActorCaseRelationType.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Drupal\opencase_cases\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityBundleBase;
+
+/**
+ * Defines the Actor-Case Relation type entity.
+ *
+ * @ConfigEntityType(
+ *   id = "oc_actor_case_relation_type",
+ *   label = @Translation("Actor-Case Relation type"),
+ *   handlers = {
+ *     "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
+ *     "list_builder" = "Drupal\opencase_cases\OCActorCaseRelationTypeListBuilder",
+ *     "form" = {
+ *       "add" = "Drupal\opencase_cases\Form\OCActorCaseRelationTypeForm",
+ *       "edit" = "Drupal\opencase_cases\Form\OCActorCaseRelationTypeForm",
+ *       "delete" = "Drupal\opencase_cases\Form\OCActorCaseRelationTypeDeleteForm"
+ *     },
+ *     "route_provider" = {
+ *       "html" = "Drupal\opencase_cases\OCActorCaseRelationTypeHtmlRouteProvider",
+ *     },
+ *   },
+ *   config_prefix = "oc_actor_case_relation_type",
+ *   admin_permission = "administer site configuration",
+ *   bundle_of = "oc_actor_case_relation",
+ *   entity_keys = {
+ *     "id" = "id",
+ *     "label" = "label",
+ *     "uuid" = "uuid"
+ *   },
+ *   links = {
+ *     "canonical" = "/admin/structure/oc_actor_case_relation_type/{oc_actor_case_relation_type}",
+ *     "add-form" = "/admin/structure/oc_actor_case_relation_type/add",
+ *     "edit-form" = "/admin/structure/oc_actor_case_relation_type/{oc_actor_case_relation_type}/edit",
+ *     "delete-form" = "/admin/structure/oc_actor_case_relation_type/{oc_actor_case_relation_type}/delete",
+ *     "collection" = "/admin/structure/oc_actor_case_relation_type"
+ *   }
+ * )
+ */
+class OCActorCaseRelationType extends ConfigEntityBundleBase implements OCActorCaseRelationTypeInterface {
+
+  /**
+   * The Actor-Case Relation type ID.
+   *
+   * @var string
+   */
+  protected $id;
+
+  /**
+   * The Actor-Case Relation type label.
+   *
+   * @var string
+   */
+  protected $label;
+
+}

modules/opencase_cases/src/Entity/OCActorCaseRelationTypeInterface.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Drupal\opencase_cases\Entity;
+
+use Drupal\Core\Config\Entity\ConfigEntityInterface;
+
+/**
+ * Provides an interface for defining Actor-Case Relation type entities.
+ */
+interface OCActorCaseRelationTypeInterface extends ConfigEntityInterface {
+
+  // Add get/set methods for your configuration properties here.
+}

modules/opencase_cases/src/Entity/OCActorCaseRelationViewsData.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace Drupal\opencase_cases\Entity;
+
+use Drupal\views\EntityViewsData;
+
+/**
+ * Provides Views data for Actor-Case Relation entities.
+ */
+class OCActorCaseRelationViewsData extends EntityViewsData {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getViewsData() {
+    $data = parent::getViewsData();
+
+    // Additional information for Views integration, such as table joins, can be
+    // put here.
+    return $data;
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationDeleteForm.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Entity\ContentEntityDeleteForm;
+
+/**
+ * Provides a form for deleting Actor-Case Relation entities.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationDeleteForm extends ContentEntityDeleteForm {
+
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationForm.php

@@ -0,0 +1,87 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Entity\ContentEntityForm;
+use Drupal\Core\Form\FormStateInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Form controller for Actor-Case Relation edit forms.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationForm extends ContentEntityForm {
+
+  /**
+   * The current user account.
+   *
+   * @var \Drupal\Core\Session\AccountProxyInterface
+   */
+  protected $account;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    // Instantiates this form class.
+    $instance = parent::create($container);
+    $instance->account = $container->get('current_user');
+    return $instance;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    /* @var \Drupal\opencase_cases\Entity\OCActorCaseRelation $entity */
+    $form = parent::buildForm($form, $form_state);
+
+    if (!$this->entity->isNew()) {
+      $form['new_revision'] = [
+        '#type' => 'checkbox',
+        '#title' => $this->t('Create new revision'),
+        '#default_value' => FALSE,
+        '#weight' => 10,
+      ];
+    }
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function save(array $form, FormStateInterface $form_state) {
+    $entity = $this->entity;
+
+    // Save as a new revision if requested to do so.
+    if (!$form_state->isValueEmpty('new_revision') && $form_state->getValue('new_revision') != FALSE) {
+      $entity->setNewRevision();
+
+      // If a new revision is created, save the current user as revision author.
+      $entity->setRevisionCreationTime($this->time->getRequestTime());
+      $entity->setRevisionUserId($this->account->id());
+    }
+    else {
+      $entity->setNewRevision(FALSE);
+    }
+
+    $status = parent::save($form, $form_state);
+
+    switch ($status) {
+      case SAVED_NEW:
+        $this->messenger()->addMessage($this->t('Created the %label Actor-Case Relation.', [
+          '%label' => $entity->label(),
+        ]));
+        break;
+
+      default:
+        $this->messenger()->addMessage($this->t('Saved the %label Actor-Case Relation.', [
+          '%label' => $entity->label(),
+        ]));
+    }
+    $form_state->setRedirect('entity.oc_actor_case_relation.canonical', ['oc_actor_case_relation' => $entity->id()]);
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationRevisionDeleteForm.php

@@ -0,0 +1,108 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a form for deleting a Actor-Case Relation revision.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationRevisionDeleteForm extends ConfirmFormBase {
+
+  /**
+   * The Actor-Case Relation revision.
+   *
+   * @var \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   */
+  protected $revision;
+
+  /**
+   * The Actor-Case Relation storage.
+   *
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $oCActorCaseRelationStorage;
+
+  /**
+   * The database connection.
+   *
+   * @var \Drupal\Core\Database\Connection
+   */
+  protected $connection;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    $instance = parent::create($container);
+    $instance->oCActorCaseRelationStorage = $container->get('entity_type.manager')->getStorage('oc_actor_case_relation');
+    $instance->connection = $container->get('database');
+    return $instance;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'oc_actor_case_relation_revision_delete_confirm';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to delete the revision from %revision-date?', [
+      '%revision-date' => format_date($this->revision->getRevisionCreationTime()),
+    ]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return new Url('entity.oc_actor_case_relation.version_history', ['oc_actor_case_relation' => $this->revision->id()]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Delete');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, $oc_actor_case_relation_revision = NULL) {
+    $this->revision = $this->OCActorCaseRelationStorage->loadRevision($oc_actor_case_relation_revision);
+    $form = parent::buildForm($form, $form_state);
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->OCActorCaseRelationStorage->deleteRevision($this->revision->getRevisionId());
+
+    $this->logger('content')->notice('Actor-Case Relation: deleted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
+    $this->messenger()->addMessage(t('Revision from %revision-date of Actor-Case Relation %title has been deleted.', ['%revision-date' => format_date($this->revision->getRevisionCreationTime()), '%title' => $this->revision->label()]));
+    $form_state->setRedirect(
+      'entity.oc_actor_case_relation.canonical',
+       ['oc_actor_case_relation' => $this->revision->id()]
+    );
+    if ($this->connection->query('SELECT COUNT(DISTINCT vid) FROM {oc_actor_case_relation_field_revision} WHERE id = :id', [':id' => $this->revision->id()])->fetchField() > 1) {
+      $form_state->setRedirect(
+        'entity.oc_actor_case_relation.version_history',
+         ['oc_actor_case_relation' => $this->revision->id()]
+      );
+    }
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationRevisionRevertForm.php

@@ -0,0 +1,137 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Drupal\opencase_cases\Entity\OCActorCaseRelationInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a form for reverting a Actor-Case Relation revision.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationRevisionRevertForm extends ConfirmFormBase {
+
+  /**
+   * The Actor-Case Relation revision.
+   *
+   * @var \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   */
+  protected $revision;
+
+  /**
+   * The Actor-Case Relation storage.
+   *
+   * @var \Drupal\Core\Entity\EntityStorageInterface
+   */
+  protected $oCActorCaseRelationStorage;
+
+  /**
+   * The date formatter service.
+   *
+   * @var \Drupal\Core\Datetime\DateFormatterInterface
+   */
+  protected $dateFormatter;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    $instance = parent::create($container);
+    $instance->oCActorCaseRelationStorage = $container->get('entity_type.manager')->getStorage('oc_actor_case_relation');
+    $instance->dateFormatter = $container->get('date.formatter');
+    return $instance;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'oc_actor_case_relation_revision_revert_confirm';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to revert to the revision from %revision-date?', [
+      '%revision-date' => $this->dateFormatter->format($this->revision->getRevisionCreationTime()),
+    ]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return new Url('entity.oc_actor_case_relation.version_history', ['oc_actor_case_relation' => $this->revision->id()]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Revert');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return '';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, $oc_actor_case_relation_revision = NULL) {
+    $this->revision = $this->OCActorCaseRelationStorage->loadRevision($oc_actor_case_relation_revision);
+    $form = parent::buildForm($form, $form_state);
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    // The revision timestamp will be updated when the revision is saved. Keep
+    // the original one for the confirmation message.
+    $original_revision_timestamp = $this->revision->getRevisionCreationTime();
+
+    $this->revision = $this->prepareRevertedRevision($this->revision, $form_state);
+    $this->revision->revision_log = $this->t('Copy of the revision from %date.', [
+      '%date' => $this->dateFormatter->format($original_revision_timestamp),
+    ]);
+    $this->revision->save();
+
+    $this->logger('content')->notice('Actor-Case Relation: reverted %title revision %revision.', ['%title' => $this->revision->label(), '%revision' => $this->revision->getRevisionId()]);
+    $this->messenger()->addMessage(t('Actor-Case Relation %title has been reverted to the revision from %revision-date.', ['%title' => $this->revision->label(), '%revision-date' => $this->dateFormatter->format($original_revision_timestamp)]));
+    $form_state->setRedirect(
+      'entity.oc_actor_case_relation.version_history',
+      ['oc_actor_case_relation' => $this->revision->id()]
+    );
+  }
+
+  /**
+   * Prepares a revision to be reverted.
+   *
+   * @param \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $revision
+   *   The revision to be reverted.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   *
+   * @return \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface
+   *   The prepared revision ready to be stored.
+   */
+  protected function prepareRevertedRevision(OCActorCaseRelationInterface $revision, FormStateInterface $form_state) {
+    $revision->setNewRevision();
+    $revision->isDefaultRevision(TRUE);
+    $revision->setRevisionCreationTime(REQUEST_TIME);
+
+    return $revision;
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationRevisionRevertTranslationForm.php

@@ -0,0 +1,97 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\opencase_cases\Entity\OCActorCaseRelationInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a form for reverting a Actor-Case Relation revision for a single trans.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationRevisionRevertTranslationForm extends OCActorCaseRelationRevisionRevertForm {
+
+  /**
+   * The language to be reverted.
+   *
+   * @var string
+   */
+  protected $langcode;
+
+  /**
+   * The language manager.
+   *
+   * @var \Drupal\Core\Language\LanguageManagerInterface
+   */
+  protected $languageManager;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    $instance = parent::create($container);
+    $instance->languageManager = $container->get('language_manager');
+    return $instance;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'oc_actor_case_relation_revision_revert_translation_confirm';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to revert @language translation to the revision from %revision-date?', [
+      '@language' => $this->languageManager->getLanguageName($this->langcode),
+      '%revision-date' => $this->dateFormatter->format($this->revision->getRevisionCreationTime()),
+    ]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state, $oc_actor_case_relation_revision = NULL, $langcode = NULL) {
+    $this->langcode = $langcode;
+    $form = parent::buildForm($form, $form_state, $oc_actor_case_relation_revision);
+
+    $form['revert_untranslated_fields'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Revert content shared among translations'),
+      '#default_value' => FALSE,
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function prepareRevertedRevision(OCActorCaseRelationInterface $revision, FormStateInterface $form_state) {
+    $revert_untranslated_fields = $form_state->getValue('revert_untranslated_fields');
+
+    /** @var \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $default_revision */
+    $latest_revision = $this->OCActorCaseRelationStorage->load($revision->id());
+    $latest_revision_translation = $latest_revision->getTranslation($this->langcode);
+
+    $revision_translation = $revision->getTranslation($this->langcode);
+
+    foreach ($latest_revision_translation->getFieldDefinitions() as $field_name => $definition) {
+      if ($definition->isTranslatable() || $revert_untranslated_fields) {
+        $latest_revision_translation->set($field_name, $revision_translation->get($field_name)->getValue());
+      }
+    }
+
+    $latest_revision_translation->setNewRevision();
+    $latest_revision_translation->isDefaultRevision(TRUE);
+    $revision->setRevisionCreationTime(REQUEST_TIME);
+
+    return $latest_revision_translation;
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationSettingsForm.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Class OCActorCaseRelationSettingsForm.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationSettingsForm extends FormBase {
+
+  /**
+   * Returns a unique string identifying the form.
+   *
+   * @return string
+   *   The unique string identifying the form.
+   */
+  public function getFormId() {
+    return 'ocactorcaserelation_settings';
+  }
+
+  /**
+   * Form submission handler.
+   *
+   * @param array $form
+   *   An associative array containing the structure of the form.
+   * @param \Drupal\Core\Form\FormStateInterface $form_state
+   *   The current state of the form.
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    // Empty implementation of the abstract submit class.
+  }
+
+  /**
+   * Defines the settings form for Actor-Case Relation entities.
+   *
+   * @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.
+   *
+   * @return array
+   *   Form definition array.
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $form['ocactorcaserelation_settings']['#markup'] = 'Settings form for Actor-Case Relation entities. Manage field settings here.';
+    return $form;
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationTypeDeleteForm.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Entity\EntityConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+
+/**
+ * Builds the form to delete Actor-Case Relation type entities.
+ */
+class OCActorCaseRelationTypeDeleteForm extends EntityConfirmFormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to delete %name?', ['%name' => $this->entity->label()]);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return new Url('entity.oc_actor_case_relation_type.collection');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Delete');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->entity->delete();
+
+    $this->messenger()->addMessage(
+      $this->t('content @type: deleted @label.', [
+        '@type' => $this->entity->bundle(),
+        '@label' => $this->entity->label(),
+      ])
+    );
+
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}

modules/opencase_cases/src/Form/OCActorCaseRelationTypeForm.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Drupal\opencase_cases\Form;
+
+use Drupal\Core\Entity\EntityForm;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Class OCActorCaseRelationTypeForm.
+ */
+class OCActorCaseRelationTypeForm extends EntityForm {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function form(array $form, FormStateInterface $form_state) {
+    $form = parent::form($form, $form_state);
+
+    $oc_actor_case_relation_type = $this->entity;
+    $form['label'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Label'),
+      '#maxlength' => 255,
+      '#default_value' => $oc_actor_case_relation_type->label(),
+      '#description' => $this->t("Label for the Actor-Case Relation type."),
+      '#required' => TRUE,
+    ];
+
+    $form['id'] = [
+      '#type' => 'machine_name',
+      '#default_value' => $oc_actor_case_relation_type->id(),
+      '#machine_name' => [
+        'exists' => '\Drupal\opencase_cases\Entity\OCActorCaseRelationType::load',
+      ],
+      '#disabled' => !$oc_actor_case_relation_type->isNew(),
+    ];
+
+    /* You will need additional form elements for your custom properties. */
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function save(array $form, FormStateInterface $form_state) {
+    $oc_actor_case_relation_type = $this->entity;
+    $status = $oc_actor_case_relation_type->save();
+
+    switch ($status) {
+      case SAVED_NEW:
+        $this->messenger()->addMessage($this->t('Created the %label Actor-Case Relation type.', [
+          '%label' => $oc_actor_case_relation_type->label(),
+        ]));
+        break;
+
+      default:
+        $this->messenger()->addMessage($this->t('Saved the %label Actor-Case Relation type.', [
+          '%label' => $oc_actor_case_relation_type->label(),
+        ]));
+    }
+    $form_state->setRedirectUrl($oc_actor_case_relation_type->toUrl('collection'));
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationAccessControlHandler.php

@@ -0,0 +1,116 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\EntityAccessControlHandler;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\Access\AccessResult;
+
+/**
+ * Access controller for the Actor-Case Relation entity.
+ *
+ * @see \Drupal\opencase_cases\Entity\OCActorCaseRelation.
+ */
+class OCActorCaseRelationAccessControlHandler extends EntityAccessControlHandler {
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function checkAccess(EntityInterface $entity, $operation, AccountInterface $account) {
+    /** @var \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $entity */
+
+    switch ($operation) {
+
+      case 'view':
+
+        if (!$entity->isPublished()) {
+          $permission = $this->checkOwn($entity, 'view unpublished', $account);
+          if (!empty($permission)) {
+            return AccessResult::allowed();
+          }
+
+          return AccessResult::allowedIfHasPermission($account, 'view unpublished actor-case relation entities');
+        }
+
+        $permission = $this->checkOwn($entity, $operation, $account);
+        if (!empty($permission)) {
+          return AccessResult::allowed();
+        }
+
+        return AccessResult::allowedIfHasPermission($account, 'view published actor-case relation entities');
+
+      case 'update':
+
+        $permission = $this->checkOwn($entity, $operation, $account);
+        if (!empty($permission)) {
+          return AccessResult::allowed();
+        }
+        return AccessResult::allowedIfHasPermission($account, 'edit actor-case relation entities');
+
+      case 'delete':
+
+        $permission = $this->checkOwn($entity, $operation, $account);
+        if (!empty($permission)) {
+          return AccessResult::allowed();
+        }
+        return AccessResult::allowedIfHasPermission($account, 'delete actor-case relation entities');
+    }
+
+    // Unknown operation, no opinion.
+    return AccessResult::neutral();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function checkCreateAccess(AccountInterface $account, array $context, $entity_bundle = NULL) {
+    return AccessResult::allowedIfHasPermission($account, 'add actor-case relation entities');
+  }
+
+  /**
+   * Test for given 'own' permission.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   * @param $operation
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *
+   * @return string|null
+   *   The permission string indicating it's allowed.
+   */
+  protected function checkOwn(EntityInterface $entity, $operation, AccountInterface $account) {
+    $status = $entity->isPublished();
+    $uid = $entity->getOwnerId();
+
+    $is_own = $account->isAuthenticated() && $account->id() == $uid;
+    if (!$is_own) {
+      return;
+    }
+
+    $bundle = $entity->bundle();
+
+    $ops = [
+      'create' => '%bundle add own %bundle entities',
+      'view unpublished' => '%bundle view own unpublished %bundle entities',
+      'view' => '%bundle view own entities',
+      'update' => '%bundle edit own entities',
+      'delete' => '%bundle delete own entities',
+    ];
+    $permission = strtr($ops[$operation], ['%bundle' => $bundle]);
+
+    if ($operation === 'view unpublished') {
+      if (!$status && $account->hasPermission($permission)) {
+        return $permission;
+      }
+      else {
+        return NULL;
+      }
+    }
+    if ($account->hasPermission($permission)) {
+      return $permission;
+    }
+
+    return NULL;
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationHtmlRouteProvider.php

@@ -0,0 +1,196 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Entity\Routing\AdminHtmlRouteProvider;
+use Symfony\Component\Routing\Route;
+
+/**
+ * Provides routes for Actor-Case Relation entities.
+ *
+ * @see \Drupal\Core\Entity\Routing\AdminHtmlRouteProvider
+ * @see \Drupal\Core\Entity\Routing\DefaultHtmlRouteProvider
+ */
+class OCActorCaseRelationHtmlRouteProvider extends AdminHtmlRouteProvider {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRoutes(EntityTypeInterface $entity_type) {
+    $collection = parent::getRoutes($entity_type);
+
+    $entity_type_id = $entity_type->id();
+
+    if ($history_route = $this->getHistoryRoute($entity_type)) {
+      $collection->add("entity.{$entity_type_id}.version_history", $history_route);
+    }
+
+    if ($revision_route = $this->getRevisionRoute($entity_type)) {
+      $collection->add("entity.{$entity_type_id}.revision", $revision_route);
+    }
+
+    if ($revert_route = $this->getRevisionRevertRoute($entity_type)) {
+      $collection->add("entity.{$entity_type_id}.revision_revert", $revert_route);
+    }
+
+    if ($delete_route = $this->getRevisionDeleteRoute($entity_type)) {
+      $collection->add("entity.{$entity_type_id}.revision_delete", $delete_route);
+    }
+
+    if ($translation_route = $this->getRevisionTranslationRevertRoute($entity_type)) {
+      $collection->add("{$entity_type_id}.revision_revert_translation_confirm", $translation_route);
+    }
+
+    if ($settings_form_route = $this->getSettingsFormRoute($entity_type)) {
+      $collection->add("$entity_type_id.settings", $settings_form_route);
+    }
+
+    return $collection;
+  }
+
+  /**
+   * Gets the version history route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getHistoryRoute(EntityTypeInterface $entity_type) {
+    if ($entity_type->hasLinkTemplate('version-history')) {
+      $route = new Route($entity_type->getLinkTemplate('version-history'));
+      $route
+        ->setDefaults([
+          '_title' => "{$entity_type->getLabel()} revisions",
+          '_controller' => '\Drupal\opencase_cases\Controller\OCActorCaseRelationController::revisionOverview',
+        ])
+        ->setRequirement('_permission', 'view all actor-case relation revisions')
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+  /**
+   * Gets the revision route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getRevisionRoute(EntityTypeInterface $entity_type) {
+    if ($entity_type->hasLinkTemplate('revision')) {
+      $route = new Route($entity_type->getLinkTemplate('revision'));
+      $route
+        ->setDefaults([
+          '_controller' => '\Drupal\opencase_cases\Controller\OCActorCaseRelationController::revisionShow',
+          '_title_callback' => '\Drupal\opencase_cases\Controller\OCActorCaseRelationController::revisionPageTitle',
+        ])
+        ->setRequirement('_permission', 'view all actor-case relation revisions')
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+  /**
+   * Gets the revision revert route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getRevisionRevertRoute(EntityTypeInterface $entity_type) {
+    if ($entity_type->hasLinkTemplate('revision_revert')) {
+      $route = new Route($entity_type->getLinkTemplate('revision_revert'));
+      $route
+        ->setDefaults([
+          '_form' => '\Drupal\opencase_cases\Form\OCActorCaseRelationRevisionRevertForm',
+          '_title' => 'Revert to earlier revision',
+        ])
+        ->setRequirement('_permission', 'revert all actor-case relation revisions')
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+  /**
+   * Gets the revision delete route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getRevisionDeleteRoute(EntityTypeInterface $entity_type) {
+    if ($entity_type->hasLinkTemplate('revision_delete')) {
+      $route = new Route($entity_type->getLinkTemplate('revision_delete'));
+      $route
+        ->setDefaults([
+          '_form' => '\Drupal\opencase_cases\Form\OCActorCaseRelationRevisionDeleteForm',
+          '_title' => 'Delete earlier revision',
+        ])
+        ->setRequirement('_permission', 'delete all actor-case relation revisions')
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+  /**
+   * Gets the revision translation revert route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getRevisionTranslationRevertRoute(EntityTypeInterface $entity_type) {
+    if ($entity_type->hasLinkTemplate('translation_revert')) {
+      $route = new Route($entity_type->getLinkTemplate('translation_revert'));
+      $route
+        ->setDefaults([
+          '_form' => '\Drupal\opencase_cases\Form\OCActorCaseRelationRevisionRevertTranslationForm',
+          '_title' => 'Revert to earlier revision of a translation',
+        ])
+        ->setRequirement('_permission', 'revert all actor-case relation revisions')
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+  /**
+   * Gets the settings form route.
+   *
+   * @param \Drupal\Core\Entity\EntityTypeInterface $entity_type
+   *   The entity type.
+   *
+   * @return \Symfony\Component\Routing\Route|null
+   *   The generated route, if available.
+   */
+  protected function getSettingsFormRoute(EntityTypeInterface $entity_type) {
+    if (!$entity_type->getBundleEntityType()) {
+      $route = new Route("/admin/structure/{$entity_type->id()}/settings");
+      $route
+        ->setDefaults([
+          '_form' => 'Drupal\opencase_cases\Form\OCActorCaseRelationSettingsForm',
+          '_title' => "{$entity_type->getLabel()} settings",
+        ])
+        ->setRequirement('_permission', $entity_type->getAdminPermission())
+        ->setOption('_admin_route', TRUE);
+
+      return $route;
+    }
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationListBuilder.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityListBuilder;
+use Drupal\Core\Link;
+
+/**
+ * Defines a class to build a listing of Actor-Case Relation entities.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationListBuilder extends EntityListBuilder {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildHeader() {
+    $header['id'] = $this->t('Actor-Case Relation ID');
+    $header['name'] = $this->t('Name');
+    return $header + parent::buildHeader();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildRow(EntityInterface $entity) {
+    /* @var \Drupal\opencase_cases\Entity\OCActorCaseRelation $entity */
+    $row['id'] = $entity->id();
+    $row['name'] = Link::createFromRoute(
+      $entity->label(),
+      'entity.oc_actor_case_relation.edit_form',
+      ['oc_actor_case_relation' => $entity->id()]
+    );
+    return $row + parent::buildRow($entity);
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationPermissions.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\opencase_cases\Entity\OCActorCaseRelation;
+
+
+/**
+ * Provides dynamic permissions for Actor-Case Relation of different types.
+ *
+ * @ingroup opencase_cases
+ *
+ */
+class OCActorCaseRelationPermissions{
+
+  use StringTranslationTrait;
+
+  /**
+   * Returns an array of node type permissions.
+   *
+   * @return array
+   *   The OCActorCaseRelation by bundle permissions.
+   *   @see \Drupal\user\PermissionHandlerInterface::getPermissions()
+   */
+  public function generatePermissions() {
+    $perms = [];
+
+    foreach (OCActorCaseRelation::loadMultiple() as $type) {
+      $perms += $this->buildPermissions($type);
+    }
+
+    return $perms;
+  }
+
+  /**
+   * Returns a list of node permissions for a given node type.
+   *
+   * @param \Drupal\opencase_cases\Entity\OCActorCaseRelation $type
+   *   The OCActorCaseRelation type.
+   *
+   * @return array
+   *   An associative array of permission names and descriptions.
+   */
+  protected function buildPermissions(OCActorCaseRelation $type) {
+    $type_id = $type->id();
+    $type_params = ['%type_name' => $type->label()];
+
+    return [
+      "$type_id create entities" => [
+        'title' => $this->t('Create new %type_name entities', $type_params),
+      ],
+      "$type_id edit own entities" => [
+        'title' => $this->t('Edit own %type_name entities', $type_params),
+      ],
+      "$type_id edit any entities" => [
+        'title' => $this->t('Edit any %type_name entities', $type_params),
+      ],
+      "$type_id delete own entities" => [
+        'title' => $this->t('Delete own %type_name entities', $type_params),
+      ],
+      "$type_id delete any entities" => [
+        'title' => $this->t('Delete any %type_name entities', $type_params),
+      ],
+      "$type_id view revisions" => [
+        'title' => $this->t('View %type_name revisions', $type_params),
+        'description' => t('To view a revision, you also need permission to view the entity item.'),
+      ],
+      "$type_id revert revisions" => [
+        'title' => $this->t('Revert %type_name revisions', $type_params),
+        'description' => t('To revert a revision, you also need permission to edit the entity item.'),
+      ],
+      "$type_id delete revisions" => [
+        'title' => $this->t('Delete %type_name revisions', $type_params),
+        'description' => $this->t('To delete a revision, you also need permission to delete the entity item.'),
+      ],
+    ];
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationStorage.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\Sql\SqlContentEntityStorage;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\opencase_cases\Entity\OCActorCaseRelationInterface;
+
+/**
+ * Defines the storage handler class for Actor-Case Relation entities.
+ *
+ * This extends the base storage class, adding required special handling for
+ * Actor-Case Relation entities.
+ *
+ * @ingroup opencase_cases
+ */
+class OCActorCaseRelationStorage extends SqlContentEntityStorage implements OCActorCaseRelationStorageInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function revisionIds(OCActorCaseRelationInterface $entity) {
+    return $this->database->query(
+      'SELECT vid FROM {oc_actor_case_relation_revision} WHERE id=:id ORDER BY vid',
+      [':id' => $entity->id()]
+    )->fetchCol();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function userRevisionIds(AccountInterface $account) {
+    return $this->database->query(
+      'SELECT vid FROM {oc_actor_case_relation_field_revision} WHERE uid = :uid ORDER BY vid',
+      [':uid' => $account->id()]
+    )->fetchCol();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function countDefaultLanguageRevisions(OCActorCaseRelationInterface $entity) {
+    return $this->database->query('SELECT COUNT(*) FROM {oc_actor_case_relation_field_revision} WHERE id = :id AND default_langcode = 1', [':id' => $entity->id()])
+      ->fetchField();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function clearRevisionsLanguage(LanguageInterface $language) {
+    return $this->database->update('oc_actor_case_relation_revision')
+      ->fields(['langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED])
+      ->condition('langcode', $language->getId())
+      ->execute();
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationStorageInterface.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\ContentEntityStorageInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\opencase_cases\Entity\OCActorCaseRelationInterface;
+
+/**
+ * Defines the storage handler class for Actor-Case Relation entities.
+ *
+ * This extends the base storage class, adding required special handling for
+ * Actor-Case Relation entities.
+ *
+ * @ingroup opencase_cases
+ */
+interface OCActorCaseRelationStorageInterface extends ContentEntityStorageInterface {
+
+  /**
+   * Gets a list of Actor-Case Relation revision IDs for a specific Actor-Case Relation.
+   *
+   * @param \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $entity
+   *   The Actor-Case Relation entity.
+   *
+   * @return int[]
+   *   Actor-Case Relation revision IDs (in ascending order).
+   */
+  public function revisionIds(OCActorCaseRelationInterface $entity);
+
+  /**
+   * Gets a list of revision IDs having a given user as Actor-Case Relation author.
+   *
+   * @param \Drupal\Core\Session\AccountInterface $account
+   *   The user entity.
+   *
+   * @return int[]
+   *   Actor-Case Relation revision IDs (in ascending order).
+   */
+  public function userRevisionIds(AccountInterface $account);
+
+  /**
+   * Counts the number of revisions in the default language.
+   *
+   * @param \Drupal\opencase_cases\Entity\OCActorCaseRelationInterface $entity
+   *   The Actor-Case Relation entity.
+   *
+   * @return int
+   *   The number of revisions in the default language.
+   */
+  public function countDefaultLanguageRevisions(OCActorCaseRelationInterface $entity);
+
+  /**
+   * Unsets the language for all Actor-Case Relation with the given language.
+   *
+   * @param \Drupal\Core\Language\LanguageInterface $language
+   *   The language object.
+   */
+  public function clearRevisionsLanguage(LanguageInterface $language);
+
+}

modules/opencase_cases/src/OCActorCaseRelationTranslationHandler.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\content_translation\ContentTranslationHandler;
+
+/**
+ * Defines the translation handler for oc_actor_case_relation.
+ */
+class OCActorCaseRelationTranslationHandler extends ContentTranslationHandler {
+
+  // Override here the needed methods from ContentTranslationHandler.
+}

modules/opencase_cases/src/OCActorCaseRelationTypeHtmlRouteProvider.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Entity\EntityTypeInterface;
+use Drupal\Core\Entity\Routing\AdminHtmlRouteProvider;
+
+/**
+ * Provides routes for Actor-Case Relation type entities.
+ *
+ * @see Drupal\Core\Entity\Routing\AdminHtmlRouteProvider
+ * @see Drupal\Core\Entity\Routing\DefaultHtmlRouteProvider
+ */
+class OCActorCaseRelationTypeHtmlRouteProvider extends AdminHtmlRouteProvider {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getRoutes(EntityTypeInterface $entity_type) {
+    $collection = parent::getRoutes($entity_type);
+
+    // Provide your custom entity routes here.
+    return $collection;
+  }
+
+}

modules/opencase_cases/src/OCActorCaseRelationTypeListBuilder.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Drupal\opencase_cases;
+
+use Drupal\Core\Config\Entity\ConfigEntityListBuilder;
+use Drupal\Core\Entity\EntityInterface;
+
+/**
+ * Provides a listing of Actor-Case Relation type entities.
+ */
+class OCActorCaseRelationTypeListBuilder extends ConfigEntityListBuilder {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildHeader() {
+    $header['label'] = $this->t('Actor-Case Relation type');
+    $header['id'] = $this->t('Machine name');
+    return $header + parent::buildHeader();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildRow(EntityInterface $entity) {
+    $row['label'] = $entity->label();
+    $row['id'] = $entity->id();
+    // You probably want a few more properties here...
+    return $row + parent::buildRow($entity);
+  }
+
+}

modules/opencase_cases/templates/oc-actor-case-relation-content-add-list.html.twig

@@ -0,0 +1,23 @@
+{#
+/**
+ * @file
+ * Default theme implementation to present a list of custom content entity types/bundles.
+ *
+ * Available variables:
+ * - types: A collection of all the available custom entity types/bundles.
+ *   Each type/bundle contains the following:
+ *   - link: A link to add a content entity of this type.
+ *   - description: A description of this content entity types/bundle.
+ *
+ * @see template_preprocess_oc_actor_case_relation_content_add_list()
+ *
+ * @ingroup themeable
+ */
+#}
+{% spaceless %}
+  <dl>
+    {% for type in types %}
+      <dt>{{ type.link }}</dt>
+    {% endfor %}
+  </dl>
+{% endspaceless %}

modules/opencase_cases/templates/oc_actor_case_relation.html.twig

@@ -0,0 +1,22 @@
+{#
+/**
+ * @file oc_actor_case_relation.html.twig
+ * Default theme implementation to present Actor-Case Relation data.
+ *
+ * This template is used when viewing Actor-Case Relation pages.
+ *
+ *
+ * Available variables:
+ * - content: A list of content items. Use 'content' to print all content, or
+ * - attributes: HTML attributes for the container element.
+ *
+ * @see template_preprocess_oc_actor_case_relation()
+ *
+ * @ingroup themeable
+ */
+#}
+<div{{ attributes.addClass('oc_actor_case_relation') }}>
+  {% if content %}
+    {{- content -}}
+  {% endif %}
+</div>