Package in.cs699.tensors.delagram.content_upload_service.service

Class UploadServiceImpl

java.lang.Object

in.cs699.tensors.delagram.content_upload_service.service.UploadServiceImpl

All Implemented Interfaces:

UploadService

@Service
public class UploadServiceImpl
extends Object
implements UploadService

An implementation of the Business-logic.

Author:

swaroop_nath

Constructor Summary

Constructors

Constructor	Description
UploadServiceImpl()

Method Summary

Modifier and Type	Method	Description
Memory	convertToMemoryObject(Map<String,Object> payload)	The implementation that converts the passed in memory representation into a Memory POJO
User	fetchUser(String currentUserID)	The implementation that helps in fetching the current logged in user from the database
boolean	updateUserMemories(List<Memory> uploadedMemories, String userID)	The implementation that helps in updating the list of memories for the user in the database
void	updateUserObject(User currentUser, Memory memory)	The implementation of updating the user object with their new memory.

Methods inherited from class java.lang.Object

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

Constructor Detail

UploadServiceImpl

public UploadServiceImpl()

Method Detail

updateUserObject

public void updateUserObject(User currentUser,
                             Memory memory)

The implementation of updating the user object with their new memory.

Specified by:

updateUserObject in interface UploadService

Parameters:

currentUser - The current user.

memory - The memory object signifying the uploaded memory.

convertToMemoryObject

public Memory convertToMemoryObject(Map<String,Object> payload)

The implementation that converts the passed in memory representation into a Memory POJO

Specified by:

convertToMemoryObject in interface UploadService

Parameters:

payload - The map object that contains the fields of the Memory

Returns:

Returns the well-formed Java object. string doesn't correctly represent the Java bean.

updateUserMemories

public boolean updateUserMemories(List<Memory> uploadedMemories,
                                  String userID)
                           throws UploadNotCompleteException

The implementation that helps in updating the list of memories for the user in the database

Specified by:

updateUserMemories in interface UploadService

Parameters:

uploadedMemories - The list of memories that the user has uploaded, including the recently uploaded memory

userID - The user id of the user who has uploaded the image

Returns:

Returns true if the memory could be uploaded on the database

Throws:

UploadNotCompleteException - Thrown incase the upload action couldn't be completed

fetchUser

public User fetchUser(String currentUserID)
               throws InternalServerException

The implementation that helps in fetching the current logged in user from the database

Specified by:

fetchUser in interface UploadService

Parameters:

currentUserID - The user id that identifies the currently logged in user

Returns:

A User object representing the currently logged in user

Throws:

InternalServerException - Thrown in case there is some error while loading the User