Package com.example.blogs.app.api.file.service

Class FileServiceImpl

java.lang.Object

com.example.blogs.app.api.file.service.FileServiceImpl

All Implemented Interfaces:

FileService

@Service
public class FileServiceImpl
extends Object
implements FileService

Orchestrates file upload operations by coordinating storage upload and metadata persistence.

Constructor Summary

Constructors

Constructor	Description
FileServiceImpl()

Method Summary

Modifier and Type	Method	Description
void	delete(FileEntity fileEntity)	Deletes a file from S3 storage and removes its metadata from the repository.
FileEntity	upload(MultipartFile file, String filePath)	Uploads a file to S3 storage and saves its metadata to the repository.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FileServiceImpl

public FileServiceImpl()

Method Details

upload

public FileEntity upload(MultipartFile file,
 String filePath)

Uploads a file to S3 storage and saves its metadata to the repository. Generates a unique identifier, normalizes the path, detects content type, and uploads to S3.

Specified by:

upload in interface FileService

Parameters:

file - the multipart file to upload

filePath - the storage path where the file should be uploaded

Returns:

the saved file entity with metadata

Throws:

FailedToUploadFileException - if the S3 upload fails

delete

public void delete(FileEntity fileEntity)

Deletes a file from S3 storage and removes its metadata from the repository. Removes the file from S3 bucket first, then deletes the metadata record.

Specified by:

delete in interface FileService

Parameters:

fileEntity - the file entity to delete