feat: should be able to access shared item revisions as third party user (#807)

packages/auth/src/Domain/UseCase/AddSharedVaultUser/AddSharedVaultUser.ts

@@ -0,0 +1,56 @@
+import {
+  Result,
+  SharedVaultUser,
+  SharedVaultUserPermission,
+  Timestamps,
+  UseCaseInterface,
+  Uuid,
+} from '@standardnotes/domain-core'
+
+import { SharedVaultUserRepositoryInterface } from '../../SharedVault/SharedVaultUserRepositoryInterface'
+import { AddSharedVaultUserDTO } from './AddSharedVaultUserDTO'
+
+export class AddSharedVaultUser implements UseCaseInterface<void> {
+  constructor(private sharedVaultUserRepository: SharedVaultUserRepositoryInterface) {}
+
+  async execute(dto: AddSharedVaultUserDTO): Promise<Result<void>> {
+    const userUuidOrError = Uuid.create(dto.userUuid)
+    if (userUuidOrError.isFailed()) {
+      return Result.fail(userUuidOrError.getError())
+    }
+    const userUuid = userUuidOrError.getValue()
+
+    const sharedVaultUuidOrError = Uuid.create(dto.sharedVaultUuid)
+    if (sharedVaultUuidOrError.isFailed()) {
+      return Result.fail(sharedVaultUuidOrError.getError())
+    }
+    const sharedVaultUuid = sharedVaultUuidOrError.getValue()
+
+    const permissionOrError = SharedVaultUserPermission.create(dto.permission)
+    if (permissionOrError.isFailed()) {
+      return Result.fail(permissionOrError.getError())
+    }
+    const permission = permissionOrError.getValue()
+
+    const timestampsOrError = Timestamps.create(dto.createdAt, dto.updatedAt)
+    if (timestampsOrError.isFailed()) {
+      return Result.fail(timestampsOrError.getError())
+    }
+    const timestamps = timestampsOrError.getValue()
+
+    const sharedVaultUserOrError = SharedVaultUser.create({
+      userUuid,
+      sharedVaultUuid,
+      permission,
+      timestamps,
+    })
+    if (sharedVaultUserOrError.isFailed()) {
+      return Result.fail(sharedVaultUserOrError.getError())
+    }
+    const sharedVaultUser = sharedVaultUserOrError.getValue()
+
+    await this.sharedVaultUserRepository.save(sharedVaultUser)
+
+    return Result.ok()
+  }
+}