chore: vault member permissions (#2509)

packages/services/src/Domain/VaultUser/UseCase/IsVaultAdmin.ts

@@ -0,0 +1,29 @@
+import { UserServiceInterface } from '../../User/UserServiceInterface'
+import { Result, SharedVaultUserPermission, SyncUseCaseInterface } from '@standardnotes/domain-core'
+import { SharedVaultListingInterface } from '@standardnotes/models'
+import { VaultUserCache } from '../VaultUserCache'
+
+export class IsVaultAdmin implements SyncUseCaseInterface<boolean> {
+  constructor(
+    private users: UserServiceInterface,
+    private cache: VaultUserCache,
+  ) {}
+
+  execute(vault: SharedVaultListingInterface): Result<boolean> {
+    if (!vault.sharing) {
+      return Result.ok(true)
+    }
+
+    if (!vault.sharing.ownerUserUuid) {
+      throw new Error(`Shared vault ${vault.sharing.sharedVaultUuid} does not have an owner user uuid`)
+    }
+
+    const user = this.users.sureUser
+    const vaultUsers = this.cache.get(vault.sharing.sharedVaultUuid)
+    const userPermission = vaultUsers?.find((vaultUser) => vaultUser.user_uuid === user.uuid)?.permission
+
+    return Result.ok(
+      userPermission === SharedVaultUserPermission.PERMISSIONS.Admin || vault.sharing.ownerUserUuid === user.uuid,
+    )
+  }
+}