fix(syncing-server): update storage quota used in a shared vault (#691)

packages/syncing-server/src/Domain/Handler/SharedVaultFileRemovedEventHandler.ts

@@ -0,0 +1,22 @@
+import { DomainEventHandlerInterface, SharedVaultFileRemovedEvent } from '@standardnotes/domain-events'
+import { Logger } from 'winston'
+
+import { UpdateStorageQuotaUsedInSharedVault } from '../UseCase/SharedVaults/UpdateStorageQuotaUsedInSharedVault/UpdateStorageQuotaUsedInSharedVault'
+
+export class SharedVaultFileRemovedEventHandler implements DomainEventHandlerInterface {
+  constructor(
+    private updateStorageQuotaUsedInSharedVaultUseCase: UpdateStorageQuotaUsedInSharedVault,
+    private logger: Logger,
+  ) {}
+
+  async handle(event: SharedVaultFileRemovedEvent): Promise<void> {
+    const result = await this.updateStorageQuotaUsedInSharedVaultUseCase.execute({
+      sharedVaultUuid: event.payload.sharedVaultUuid,
+      bytesUsed: -event.payload.fileByteSize,
+    })
+
+    if (result.isFailed()) {
+      this.logger.error(`Failed to update storage quota used in shared vault: ${result.getError()}`)
+    }
+  }
+}