SMA-22: Add endpoint that returns upcoming events (#21)

backend/sportsmatch/src/main/java/com/sportsmatch/controllers/AuthController.java

@@ -44,8 +44,8 @@ public ResponseEntity<?> register(
   @PostMapping("/login")
   @Tag(name = "Login")
   @Operation(
-      summary = "Login user",
-      description = "Login a user by providing their email and username.")
+          summary = "Login user",
+          description = "Login a user by providing their email and username.")
   public ResponseEntity<?> login(
       @RequestBody @Valid AuthRequestDTO authRequestDTO, BindingResult bindingResult) {
     if (bindingResult.hasErrors()) {

backend/sportsmatch/src/main/java/com/sportsmatch/controllers/EventsController.java

@@ -8,6 +8,8 @@
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 @RestController
 @RequestMapping("/api/v1/event")
 public class EventsController {
@@ -37,4 +39,10 @@ public ResponseEntity<?> deleteEvent(@PathVariable("id") Long id) {
     eventService.deleteEventFromDatabase(eventById);
     return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
   }
+
+  @GetMapping("/upcoming-events")
+  public ResponseEntity<?> getUpcomingEvents(@RequestBody List<Long> sportsIds) {
+    List<EventDTO> listOfEvents = eventService.getEventsBySports(sportsIds);
+    return ResponseEntity.ok().body(listOfEvents);
+  }
 }

backend/sportsmatch/src/main/java/com/sportsmatch/repositories/EventRepository.java

@@ -1,12 +1,17 @@
 package com.sportsmatch.repositories;
 
 import com.sportsmatch.models.Event;
+
+import java.util.List;
 import java.util.Optional;
+
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Repository;
 
 @Repository
 public interface EventRepository extends JpaRepository<Event, Long> {
 
   Optional<Event> findEventById(Long id);
+
+  List<Event> findAllBySportIdIn(List<Long> sportId);
 }

backend/sportsmatch/src/main/java/com/sportsmatch/services/EventService.java

@@ -51,6 +51,15 @@ public List<EventDTO> getAllEvents() {
     return eventDTOList;
   }
 
+  public List<EventDTO> getEventsBySports(List<Long> sportsIds) {
+    List<EventDTO> eventDTOList = new ArrayList<>();
+    List<Event> eventListBySport = eventRepository.findAllBySportIdIn(sportsIds);
+    for (Event event : eventListBySport) {
+      eventDTOList.add(getEventDTObyEventId(event.getId()));
+    }
+    return eventDTOList;
+  }
+
   public EventPlayer addPlayerToEvent(Long playerId, Long eventId) {
     EventPlayer eventPlayer = new EventPlayer();
     eventPlayer.setPlayer(