Package edu.cnm.deepdive.picmegallery.service

Class EventService

java.lang.Object

edu.cnm.deepdive.picmegallery.service.EventService

@Service
public class EventService
extends Object

This is a @Service class and holds the additional logic for the queries involving an Event in the PicMe database.

Constructor Summary

Constructors

Constructor	Description
EventService(EventRepository eventRepository)	This initializes and creates an EventService object with the eventRepository.

Method Summary

Modifier and Type	Method	Description
void	delete(Event event)	A method that deletes a specified event
Optional<Event>	get(long id, User user)	This method returns an event by passing in the User who created it and the associated event id.
Optional<Event>	get(long id, String passkey)	Gets a specified event by the event id and passkey
List<Event>	getAllUserEvents(User user)	This gets all the Events created by a user.
Event	save(Event event, User user, String passkey, String name)	This is a method to save an Event object

Methods inherited from class java.lang.Object

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

Constructor Detail

EventService

@Autowired
public EventService(EventRepository eventRepository)

This initializes and creates an EventService object with the eventRepository.

Parameters:

eventRepository - this is the repository field passed in that allows us to run JPA queries.

Method Detail

save

public Event save(Event event,
                  User user,
                  String passkey,
                  String name)

This is a method to save an Event object

Parameters:

event - is the new event being created

user - is the user creating an event

passkey - is the event password that the user sets for the new event

name - is the name of the new event being created

Returns:

an Event that is saved.

get

public Optional<Event> get(long id,
                           String passkey)

Gets a specified event by the event id and passkey

Parameters:

id - this is the event primary key.

passkey - the user created passkey for an event

Returns:

this returns an Event if the id and passkey match up.

get

public Optional<Event> get(long id,
                           User user)

This method returns an event by passing in the User who created it and the associated event id.

Parameters:

id - this is the event primary key.

user - this is the current signed in User of the application

Returns:

an Event object, if there are any associated with the User.

getAllUserEvents

public List<Event> getAllUserEvents(User user)

This gets all the Events created by a user.

Parameters:

user - is a User object, specifically the one who created the event.

Returns:

a list of Event objects, if there are any associated with the User.

delete

public void delete(Event event)

A method that deletes a specified event

Parameters:

event - the Event object to be deleted