refactor: root key manager (#2344)

packages/services/src/Domain/Encryption/UseCase/ItemsKey/CreateNewItemsKeyWithRollback.ts

@@ -0,0 +1,38 @@
+import { ItemsKeyMutator, OperatorManager, findDefaultItemsKey } from '@standardnotes/encryption'
+import { MutatorClientInterface } from '../../../Mutator/MutatorClientInterface'
+import { ItemManagerInterface } from '../../../Item/ItemManagerInterface'
+import { RootKeyManager } from '../../RootKey/RootKeyManager'
+import { CreateNewDefaultItemsKeyUseCase } from './CreateNewDefaultItemsKey'
+
+export class CreateNewItemsKeyWithRollbackUseCase {
+  private createDefaultItemsKeyUseCase = new CreateNewDefaultItemsKeyUseCase(
+    this.mutator,
+    this.items,
+    this.operatorManager,
+    this.rootKeyManager,
+  )
+
+  constructor(
+    private mutator: MutatorClientInterface,
+    private items: ItemManagerInterface,
+    private operatorManager: OperatorManager,
+    private rootKeyManager: RootKeyManager,
+  ) {}
+
+  async execute(): Promise<() => Promise<void>> {
+    const currentDefaultItemsKey = findDefaultItemsKey(this.items.getDisplayableItemsKeys())
+    const newDefaultItemsKey = await this.createDefaultItemsKeyUseCase.execute()
+
+    const rollback = async () => {
+      await this.mutator.setItemToBeDeleted(newDefaultItemsKey)
+
+      if (currentDefaultItemsKey) {
+        await this.mutator.changeItem<ItemsKeyMutator>(currentDefaultItemsKey, (mutator) => {
+          mutator.isDefault = true
+        })
+      }
+    }
+
+    return rollback
+  }
+}