feature: Calvin - created Event Guest Service class & Unit Test

event-planner/api/demo/.gitignore

@@ -35,3 +35,17 @@ out/
 
 ### VS Code ###
 .vscode/
+
+### macOS ###
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+### Event Planner Specific ###
+.DS_Store
+event-planner/.DS_Store
+event-planner/api/.DS_Store

event-planner/api/demo/src/main/java/com/api/demo/services/EventGuestService.java

@@ -17,99 +17,83 @@
 public class EventGuestService {
 
   private final EventGuestRepo eventGuestRepo;
-  private final UserService userService;
-  private final EventService eventService;
-
   @Autowired
-  public EventGuestService(
-      EventGuestRepo eventGuestRepo, UserService userService, EventService eventService) {
+  public EventGuestService(EventGuestRepo eventGuestRepo) {
     this.eventGuestRepo = eventGuestRepo;
-    this.userService = userService;
-    this.eventService = eventService;
   }
 
-  // create a new event guest set the rsvp status by default
-  @Transactional
-  public EventModel createEventWithGuests(Long userId, EventModel event, Set<String> emails) {
-    User organizer = userService.getUserById(userId);
-    Set<User> usersFromEmails = userService.getAllUsersFromEmails(emails);
-    event.setIsPublic(false);
-
-    Set<EventGuest> eventGuests = new HashSet<>();
-
-    for (User user : usersFromEmails) {
-      EventGuest newGuest =
-          EventGuest.builder()
-              .eventGuestKey(new EventGuestKey(user.getId(), event.getId()))
-              .rsvpStatus(RsvpStatus.PENDING)
-              .event(event)
-              .guest(user)
-              .build();
-      eventGuestRepo.save(newGuest);
-      eventGuests.add(newGuest);
-    }
-
-    event.setOrganizer(organizer);
-    event.setEventGuests(eventGuests);
-    return eventService.createEvent(event);
+  /**
+   * Retrieves all guests for a specific event.
+   *
+   * @param eventId the ID of the event
+   * @return list of EventGuest entities for the specified event
+   */
+  public List<EventGuest> getGuestsByEventId(Long eventId) {
+    return StreamSupport.stream(eventGuestRepo.findAllByEventGuestKeyEventId(eventId).spliterator(), false)
+        .collect(Collectors.toList());
   }
 
-  /*
+  /**
+   * Retrieves all events for a specific guest.
    *
-   * Get the Event by the Id
-   * Get the Organizer
-   * Create a new Event Guest using those Ids and save it to the database and update the event
-   * Will be a post mapping in controller
+   * @param guestId the ID of the guest
+   * @return list of EventGuest entities for the specified guest
    */
-  public EventGuest addNewGuestToEvent(Long eventId, String guestEmail) {
-    // Get the event
-    EventModel event = eventService.getEventById(eventId);
-
-    // Get the guest user by email
-    User guest = userService.getUserByEmail(guestEmail);
-
-    // Create EventGuestKey
-    EventGuestKey key = new EventGuestKey(eventId, guest.getId());
-
-    // Create new EventGuest
-    EventGuest newGuest =
-        EventGuest.builder()
-            .eventGuestKey(key)
-            .rsvpStatus(RsvpStatus.PENDING)
-            .event(event)
-            .guest(guest)
-            .build();
-
-    return eventGuestRepo.save(newGuest);
+  public List<EventGuest> getEventsByGuestId(Long guestId) {
+    return StreamSupport.stream(eventGuestRepo.findAllByEventGuestKeyGuestId(guestId).spliterator(), false)
+        .collect(Collectors.toList());
   }
 
-  public Boolean removeGuestFromEvent(String email, Long eventId) {
-    // Get user by email
-    User user = userService.getUserByEmail(email);
+  /**
+   * Retrieves a specific EventGuest by composite key.
+   *
+   * @param eventId the event ID
+   * @param guestId the guest ID
+   * @return Optional containing the EventGuest if found
+   */
+  public Optional<EventGuest> getEventGuest(Long eventId, Long guestId) {
+    EventGuestKey key = new EventGuestKey(eventId, guestId);
+    return eventGuestRepo.findById(key);
+  }
 
-    // Create the composite key
-    EventGuestKey key = new EventGuestKey(eventId, user.getId());
+  /**
+   * Saves or updates an EventGuest.
+   *
+   * @param eventGuest the EventGuest to save
+   * @return the saved EventGuest
+   * @throws IllegalArgumentException if eventGuest is null
+   */
+  public EventGuest saveEventGuest(EventGuest eventGuest) {
+    if (eventGuest == null) {
+      throw new IllegalArgumentException("EventGuest cannot be null");
+    }
+    return eventGuestRepo.save(eventGuest);
+  }
 
-    // Check if the event guest exists
-    if (eventGuestRepo.existsById(key)) {
-      eventGuestRepo.deleteById(key);
-      return true;
+  /**
+   * Deletes an EventGuest by composite key.
+   *
+   * @param eventId the event ID
+   * @param guestId the guest ID
+   * @throws IllegalArgumentException if eventId or guestId is null
+   */
+  public void deleteEventGuest(Long eventId, Long guestId) {
+    if (eventId == null || guestId == null) {
+      throw new IllegalArgumentException("EventId and GuestId cannot be null");
     }
-    return false;
+    EventGuestKey key = new EventGuestKey(eventId, guestId);
+    eventGuestRepo.deleteById(key);
   }
 
-  /** Update RSVP status for an event guest */
-  @Transactional
-  public RsvpStatus setStatus(EventGuestKey guestKey, RsvpStatus status) {
-    return eventGuestRepo
-        .findById(guestKey)
-        .map(
-            eventGuest -> {
-              eventGuest.setRsvpStatus(status);
-              EventGuest saved = eventGuestRepo.save(eventGuest);
-              return saved.getRsvpStatus();
-            })
-        .orElseThrow(
-            () -> new EventGuestNotFoundException("EventGuest not found with key: " + guestKey));
+  /**
+   * Checks if an EventGuest exists.
+   *
+   * @param eventId the event ID
+   * @param guestId the guest ID
+   * @return true if the EventGuest exists, false otherwise
+   */
+  public boolean existsEventGuest(Long eventId, Long guestId) {
+    EventGuestKey key = new EventGuestKey(eventId, guestId);
+    return eventGuestRepo.existsById(key);
   }
 }