Revert "Revert "feat(syncing-server): notify shared vault users upon file uploads or removals (#692)""

This reverts commit d261c81cd0.

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

@@ -1,15 +1,26 @@
 import { DomainEventHandlerInterface, SharedVaultFileRemovedEvent } from '@standardnotes/domain-events'
+import { NotificationPayload, NotificationType, Uuid } from '@standardnotes/domain-core'
 import { Logger } from 'winston'
 
 import { UpdateStorageQuotaUsedInSharedVault } from '../UseCase/SharedVaults/UpdateStorageQuotaUsedInSharedVault/UpdateStorageQuotaUsedInSharedVault'
+import { AddNotificationsForUsers } from '../UseCase/Messaging/AddNotificationsForUsers/AddNotificationsForUsers'
 
 export class SharedVaultFileRemovedEventHandler implements DomainEventHandlerInterface {
   constructor(
     private updateStorageQuotaUsedInSharedVaultUseCase: UpdateStorageQuotaUsedInSharedVault,
+    private addNotificationsForUsers: AddNotificationsForUsers,
     private logger: Logger,
   ) {}
 
   async handle(event: SharedVaultFileRemovedEvent): Promise<void> {
+    const sharedVaultUuidOrError = Uuid.create(event.payload.sharedVaultUuid)
+    if (sharedVaultUuidOrError.isFailed()) {
+      this.logger.error(sharedVaultUuidOrError.getError())
+
+      return
+    }
+    const sharedVaultUuid = sharedVaultUuidOrError.getValue()
+
     const result = await this.updateStorageQuotaUsedInSharedVaultUseCase.execute({
       sharedVaultUuid: event.payload.sharedVaultUuid,
       bytesUsed: -event.payload.fileByteSize,
@@ -17,6 +28,24 @@ export class SharedVaultFileRemovedEventHandler implements DomainEventHandlerInt
 
     if (result.isFailed()) {
       this.logger.error(`Failed to update storage quota used in shared vault: ${result.getError()}`)
+
+      return
+    }
+
+    const notificationPayload = NotificationPayload.create({
+      sharedVaultUuid,
+      type: NotificationType.create(NotificationType.TYPES.SharedVaultFileRemoved).getValue(),
+      version: '1.0',
+    }).getValue()
+
+    const notificationResult = await this.addNotificationsForUsers.execute({
+      sharedVaultUuid: event.payload.sharedVaultUuid,
+      type: NotificationType.TYPES.SharedVaultFileRemoved,
+      payload: notificationPayload,
+      version: '1.0',
+    })
+    if (notificationResult.isFailed()) {
+      this.logger.error(`Failed to add notification for users: ${notificationResult.getError()}`)
     }
   }
 }