Added Case Provision entity for recording caseworker involvement with cases

modules/opencase_cases/src/OCCaseProvisionStorage.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\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
+ */
+class OCCaseProvisionStorage extends SqlContentEntityStorage implements OCCaseProvisionStorageInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function revisionIds(OCCaseProvisionInterface $entity) {
+    return $this->database->query(
+      'SELECT vid FROM {oc_case_provision_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_case_provision_field_revision} WHERE uid = :uid ORDER BY vid',
+      [':uid' => $account->id()]
+    )->fetchCol();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function countDefaultLanguageRevisions(OCCaseProvisionInterface $entity) {
+    return $this->database->query('SELECT COUNT(*) FROM {oc_case_provision_field_revision} WHERE id = :id AND default_langcode = 1', [':id' => $entity->id()])
+      ->fetchField();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function clearRevisionsLanguage(LanguageInterface $language) {
+    return $this->database->update('oc_case_provision_revision')
+      ->fields(['langcode' => LanguageInterface::LANGCODE_NOT_SPECIFIED])
+      ->condition('langcode', $language->getId())
+      ->execute();
+  }
+
+}