feat: add files server package

packages/files/src/Domain/UseCase/RemoveFile/RemoveFile.ts

@@ -0,0 +1,51 @@
+import { DomainEventPublisherInterface } from '@standardnotes/domain-events'
+import { inject, injectable } from 'inversify'
+import { Logger } from 'winston'
+
+import TYPES from '../../../Bootstrap/Types'
+import { DomainEventFactoryInterface } from '../../Event/DomainEventFactoryInterface'
+import { FileRemoverInterface } from '../../Services/FileRemoverInterface'
+import { UseCaseInterface } from '../UseCaseInterface'
+import { RemoveFileDTO } from './RemoveFileDTO'
+import { RemoveFileResponse } from './RemoveFileResponse'
+
+@injectable()
+export class RemoveFile implements UseCaseInterface {
+  constructor(
+    @inject(TYPES.FileRemover) private fileRemover: FileRemoverInterface,
+    @inject(TYPES.DomainEventPublisher) private domainEventPublisher: DomainEventPublisherInterface,
+    @inject(TYPES.DomainEventFactory) private domainEventFactory: DomainEventFactoryInterface,
+    @inject(TYPES.Logger) private logger: Logger,
+  ) {}
+
+  async execute(dto: RemoveFileDTO): Promise<RemoveFileResponse> {
+    try {
+      this.logger.debug(`Removing file: ${dto.resourceRemoteIdentifier}`)
+
+      const filePath = `${dto.userUuid}/${dto.resourceRemoteIdentifier}`
+
+      const removedFileSize = await this.fileRemover.remove(filePath)
+
+      await this.domainEventPublisher.publish(
+        this.domainEventFactory.createFileRemovedEvent({
+          userUuid: dto.userUuid,
+          filePath: `${dto.userUuid}/${dto.resourceRemoteIdentifier}`,
+          fileName: dto.resourceRemoteIdentifier,
+          fileByteSize: removedFileSize,
+          regularSubscriptionUuid: dto.regularSubscriptionUuid,
+        }),
+      )
+
+      return {
+        success: true,
+      }
+    } catch (error) {
+      this.logger.error(`Could not remove resource: ${dto.resourceRemoteIdentifier} - ${(error as Error).message}`)
+
+      return {
+        success: false,
+        message: 'Could not remove resource',
+      }
+    }
+  }
+}