Added Case Provision entity for recording caseworker involvement with cases

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