Package in.cs699.tensors.delagram.chatting_service.controller

Class ChattingController

java.lang.Object

in.cs699.tensors.delagram.chatting_service.controller.ChattingController

@RestController
@RequestMapping("/chat-api")
@CrossOrigin("http://localhost:3000")
public class ChattingController
extends Object

This controller defines end-points that are necessary to support chat related services

Author:

mayankkakad

Constructor Summary

Constructors

Constructor	Description
ChattingController()

Method Summary

Modifier and Type	Method	Description
void	deleteMessage(String authorizationToken, Vector<Map<String,Object>> messages)	An API call which deletes the given messages from the SQLite database
Vector<MyMessage>	getAllMessages(String authorizationToken, Map<String,Object> map)	An API call which sends all the messages of a given user from the SQLite Database (Usually called at application startup)
Vector<MyMessage>	getNewMessages(String authorizationToken, Map<String,Object> map)	An API call which sends any new messages received from any user from the firebase realtime database
void	sendMessage(String authorizationToken, Map<String,Object> message)	An API call which check's the validity of the user and uploads message on the firebase as well as on SQLite database

Methods inherited from class java.lang.Object

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

Constructor Detail

ChattingController

public ChattingController()

Method Detail

sendMessage

@PostMapping("/sendMessage")
public void sendMessage(@RequestHeader("authorization")
                        String authorizationToken,
                        @RequestBody
                        Map<String,Object> message)
                 throws AuthorizationFailedException,
                        AuthenticationFailedException

An API call which check's the validity of the user and uploads message on the firebase as well as on SQLite database

Parameters:

authorizationToken - The firebase token/JWT which identifies the user

message - A map which contains the sender, receiver and the text message

Throws:

AuthorizationFailedException - Thrown when the JWT doesn't represent the passed in user id

AuthenticationFailedException - Thrown when the JWT is invalid

getNewMessages

@GetMapping("/refreshMessages")
public Vector<MyMessage> getNewMessages(@RequestHeader("authorization")
                                        String authorizationToken,
                                        @RequestBody
                                        Map<String,Object> map)
                                 throws AuthorizationFailedException,
                                        AuthenticationFailedException

An API call which sends any new messages received from any user from the firebase realtime database

Parameters:

authorizationToken - The firebase token/JWT which identifies the user

map - A map which just contains the name of the receiver for which the messages have to be fetched

Returns:

A vector of all newly received messages

Throws:

AuthorizationFailedException - Thrown when the JWT doesn't represent the passed in user id

AuthenticationFailedException - Thrown when the JWT is invalid

getAllMessages

@PostMapping("/getMessages")
public Vector<MyMessage> getAllMessages(@RequestHeader("authorization")
                                        String authorizationToken,
                                        @RequestBody
                                        Map<String,Object> map)
                                 throws AuthorizationFailedException,
                                        AuthenticationFailedException

An API call which sends all the messages of a given user from the SQLite Database (Usually called at application startup)

Parameters:

authorizationToken - The firebase token/JWT which identifies the user

map - A map which just contains the name of the receiver for which the messages have to be fetched

Returns:

A vector of all the messages of a particular user

Throws:

AuthorizationFailedException - Thrown when the JWT doesn't represent the passed in user id

AuthenticationFailedException - Thrown when the JWT is invalid

deleteMessage

@PostMapping("/deleteMessage")
public void deleteMessage(@RequestHeader("authorization")
                          String authorizationToken,
                          @RequestBody
                          Vector<Map<String,Object>> messages)

An API call which deletes the given messages from the SQLite database

Parameters:

authorizationToken - The firebase token/JWT which identifies the user

messages - Vector of messages that have to be deleted