Package com.markvarga21.studentmanager.service.file.impl

Class FileUploadServiceImpl

java.lang.Object

com.markvarga21.studentmanager.service.file.impl.FileUploadServiceImpl

All Implemented Interfaces:

FileUploadService

@Service
public class FileUploadServiceImpl
extends Object
implements FileUploadService

The FileUploadServiceImpl class is used to store and manipulate the images of a student.

Constructor Summary

Constructors

Constructor	Description
FileUploadServiceImpl()

Method Summary

Modifier and Type	Method	Description
StudentImage	changeImage(Long studentId, StudentImageType imageType, org.springframework.web.multipart.MultipartFile file)	A method which is used to change the image for the given type and student id.
String	deleteImage(Long studentId)	A method used to delete the images from the database for a given student id.
org.springframework.data.domain.Page<StudentImage>	getAllImages(Integer page, Integer size)	A method used to get all the student images from the database.
byte[]	getImageForType(Long studentId, StudentImageType type)	A method which is used to get the image for the given type and student id.
StudentImage	getStudentImageById(Long studentId)	A method which is used to get the image for the given student ID.
String	uploadFile(Long studentId, org.springframework.web.multipart.MultipartFile passportImage, org.springframework.web.multipart.MultipartFile selfieImage)	A method used to store the images in the database.

Methods inherited from class java.lang.Object

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

Constructor Details

FileUploadServiceImpl

public FileUploadServiceImpl()

Method Details

uploadFile

public String uploadFile(Long studentId,
 org.springframework.web.multipart.MultipartFile passportImage,
 org.springframework.web.multipart.MultipartFile selfieImage)

A method used to store the images in the database.

Specified by:

uploadFile in interface FileUploadService

Parameters:

studentId - The id of the student.

passportImage - The passport file.

selfieImage - The selfie file.

Returns:

A feedback message.

getAllImages

public org.springframework.data.domain.Page<StudentImage> getAllImages(Integer page,
 Integer size)

A method used to get all the student images from the database.

Specified by:

getAllImages in interface FileUploadService

Parameters:

page - The page number.

size - The number of elements in a page.

Returns:

The images.

deleteImage

@CacheEvict(value="studentImage",
            key="#studentId")
public String deleteImage(Long studentId)

A method used to delete the images from the database for a given student id.

Specified by:

deleteImage in interface FileUploadService

Parameters:

studentId - The id of the student.

Returns:

An informational message.

getImageForType

public byte[] getImageForType(Long studentId,
 StudentImageType type)

A method which is used to get the image for the given type and student id.

Specified by:

getImageForType in interface FileUploadService

Parameters:

studentId - The id of the student.

type - The image type.

Returns:

The image.

changeImage

@CachePut(value="studentImage",
          key="#studentId")
public StudentImage changeImage(Long studentId,
 StudentImageType imageType,
 org.springframework.web.multipart.MultipartFile file)

A method which is used to change the image for the given type and student id.

Specified by:

changeImage in interface FileUploadService

Parameters:

studentId - The id of the student.

imageType - The image type.

file - The new image.

Returns:

The updated student image group.

getStudentImageById

@Cacheable(value="studentImage",
           key="#studentId")
public StudentImage getStudentImageById(Long studentId)

A method which is used to get the image for the given student ID.

Specified by:

getStudentImageById in interface FileUploadService

Parameters:

studentId - The id of the student.

Returns:

The student's images.