feat: delete previous cover after updating

src/domain/index.ts

@@ -72,10 +72,12 @@ export function init(repositories: Repositories, appConfig: AppConfig): DomainSe
     repositories.userSessionRepository
   );
   const editorToolsService = new EditorToolsService(repositories.editorToolsRepository);
+  const fileUploaderService = new FileUploaderService(repositories.objectStorageRepository, repositories.fileRepository);
 
   const sharedServices = {
     editorTools: editorToolsService,
     note: noteService,
+    fileUploader: fileUploaderService,
     /**
      * @todo find a way how to resolve circular dependency
      */
@@ -85,8 +87,6 @@ export function init(repositories: Repositories, appConfig: AppConfig): DomainSe
   const noteSettingsService = new NoteSettingsService(repositories.noteSettingsRepository, repositories.teamRepository, sharedServices);
   const aiService = new AIService(repositories.aiRepository);
 
-  const fileUploaderService = new FileUploaderService(repositories.objectStorageRepository, repositories.fileRepository);
-
   return {
     fileUploaderService,
     noteService,

src/domain/service/fileUploader.service.ts

@@ -6,6 +6,7 @@ import type FileRepository from '@repository/file.repository.js';
 import type ObjectRepository from '@repository/object.repository.js';
 import { DomainError } from '@domain/entities/DomainError.js';
 import mime from 'mime';
+import { isEmpty } from '@infrastructure/utils/empty.js';
 
 /**
  * File data for upload
@@ -143,6 +144,34 @@ export default class FileUploaderService {
     return fileData;
   }
 
+  /**
+   * Delete file
+   * @param key - file key
+   */
+  public async deleteFile(key: UploadedFile['key']): Promise<void> {
+    const fileData = await this.fileRepository.getByKey(key);
+
+    if (isEmpty(fileData)) {
+      throw new DomainError('File not found');
+    }
+
+    /**
+     * Define file type and bucket
+     */
+    const fileType = this.defineFileType(fileData.location);
+    const bucket = this.defineBucketByFileType(fileType);
+
+    /**
+     * Delete file from object storage and database
+     */
+    const isRemovedFromObjectStorage = await this.objectRepository.delete(key, bucket);
+    const isRemovedFromDatabase = await this.fileRepository.deleteByKey(key);
+
+    if (isRemovedFromObjectStorage === false || isRemovedFromDatabase === false) {
+      throw new DomainError('Cannot delete file');
+    }
+  }
+
   /**
    * Define file type by location
    * @param location - file location

src/domain/service/noteSettings.ts

@@ -9,6 +9,7 @@ import type User from '@domain/entities/user.js';
 import { createInvitationHash } from '@infrastructure/utils/invitationHash.js';
 import { DomainError } from '@domain/entities/DomainError.js';
 import type { SharedDomainMethods } from './shared/index.js';
+import { notEmpty } from '@infrastructure/utils/empty.js';
 
 /**
  * Service responsible for Note Settings
@@ -107,6 +108,15 @@ export default class NoteSettingsService {
       throw new DomainError(`Note settings not found`);
     }
 
+    /**
+     * In this case we need to remove previous cover
+     */
+    if (notEmpty(data.cover)) {
+      if (notEmpty(noteSettings.cover)) {
+        await this.shared.fileUploader.deleteFile(noteSettings.cover);
+      }
+    }
+
     return await this.noteSettingsRepository.patchNoteSettingsById(noteSettings.id, data);
   }
 

src/domain/service/shared/fileUploader.ts

@@ -0,0 +1,13 @@
+import type UploadedFile from '@domain/entities/file.js';
+
+/**
+ * Which methods of Domain can be used by other domains
+ * Uses to decouple domains from each other
+ */
+export default interface FileUploaderServiceSharedMethods {
+  /**
+   * Delete file
+   * @param key - file key
+   */
+  deleteFile: (key: UploadedFile['key']) => Promise<void>;
+}

src/domain/service/shared/index.ts

@@ -1,8 +1,11 @@
 import type EditorToolsServiceSharedMethods from './editorTools.js';
+import type FileUploaderServiceSharedMethods from './fileUploader.js';
 import type NoteServiceSharedMethods from './note.js';
 
 export type SharedDomainMethods = {
   editorTools: EditorToolsServiceSharedMethods;
 
   note: NoteServiceSharedMethods;
+
+  fileUploader: FileUploaderServiceSharedMethods;
 };

src/repository/file.repository.ts

@@ -40,4 +40,13 @@ export default class FileRepository {
   public async getFileLocationByKey<T extends FileType>(type: T, key: UploadedFile['key']): Promise<FileLocationByType[T] | null> {
     return await this.storage.getFileLocationByKey(type, key);
   };
+
+  /**
+   * Delete file by key
+   * @param key - file unique key
+   * @returns true if file deleted
+   */
+  public async deleteByKey(key: UploadedFile['key']): Promise<boolean> {
+    return await this.storage.delete(key);
+  }
 }

src/repository/object.repository.ts

@@ -36,4 +36,13 @@ export default class ObjectStorageRepository {
   public async insert(objectData: Buffer, key: string, bucket: string): Promise<string | null> {
     return await this.storage.uploadFile(bucket, key, objectData);
   }
+
+  /**
+   * Delete object
+   * @param key - object key
+   * @param bucket - bucket name
+   */
+  public async delete(key: string, bucket: string): Promise<boolean> {
+    return await this.storage.removeFile(bucket, key);
+  }
 }

src/repository/storage/postgres/orm/sequelize/file.ts

@@ -161,4 +161,22 @@ export default class FileSequelizeStorage {
 
     return res.location as FileLocationByType[T];
   }
+
+  /**
+   * Delete file
+   * @param key - file key
+   * @returns true if file deleted
+   */
+  public async delete(key: UploadedFile['key']): Promise<boolean> {
+    const affectedRows = await this.model.destroy({
+      where: {
+        key,
+      },
+    });
+
+    /**
+     * If file not found return false
+     */
+    return affectedRows > 0;
+  }
 }

src/repository/storage/s3/index.ts

@@ -1,5 +1,5 @@
 import { getLogger } from '@infrastructure/logging/index.js';
-import { S3Client, GetObjectCommand, PutObjectCommand, CreateBucketCommand } from '@aws-sdk/client-s3';
+import { S3Client, GetObjectCommand, PutObjectCommand, CreateBucketCommand, DeleteObjectCommand } from '@aws-sdk/client-s3';
 import { Buffer } from 'buffer';
 import { Readable } from 'stream';
 import { streamToBuffer } from '@infrastructure/utils/streamToBuffer.js';
@@ -88,6 +88,27 @@ export class S3Storage {
     }
   }
 
+  /**
+   * Remove file from bucket
+   * @param bucket - bucket name
+   * @param key - file key
+   * @returns true if object was deleted
+   */
+  public async removeFile(bucket: string, key: string): Promise<boolean> {
+    try {
+      await this.s3.send(new DeleteObjectCommand({
+        Bucket: bucket,
+        Key: key,
+      }))
+
+      return true;
+    } catch (error) {
+      s3StorageLogger.error(error)
+
+      return false;
+    }
+  }
+
   /**
    * Method to create bucket in object storage, return its location
    * @param name - bucket name