fix duplicate teams still being allowed

src/main/java/de/pnreichmuth/timekeep_backend/controllers/TeamRestController.java

@@ -37,11 +37,13 @@ public class TeamRestController {
 
     @PostMapping("createTeamDebug")
     public ResponseEntity<@NonNull TeamWSTO> createTeam(){
+        Team team = teamService.createTeam();
         try {
-            Team team = teamService.createTeam();
             team.setTeamName("DEBUG");
+            teamService.updateTeam(team);
             return new ResponseEntity<>(TeamWSTO.of(team), HttpStatus.CREATED);
         } catch (TeamExistsException e) {
+            teamService.deleteTeam(team.getId());
             return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.CONFLICT,"This team already exists")).build();
         }
     }
@@ -76,8 +78,8 @@ public class TeamRestController {
         }
         catch(TeamNotFoundException e){
             if(id != null) return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.NOT_FOUND,"Team with id "+ id +" not found")).build();
-            else if (name != null) return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.NOT_FOUND,"Team with name "+ name +" not found")).build();
+            if (name != null) return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.NOT_FOUND,"Team with name "+ name +" not found")).build();
-            else return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, "Must provide either id or name.")).build();
+            return ResponseEntity.of(ProblemDetail.forStatusAndDetail(HttpStatus.BAD_REQUEST, "Must provide either id or name.")).build();
         }
     }
 

src/main/java/de/pnreichmuth/timekeep_backend/entities/Team.java

@@ -28,7 +28,7 @@ public class Team  {
     private Map<String, Station> passedStations;
 
     public Team(){
-        this.teamName = "Team-" + UUID.randomUUID();
+        this.teamName = null;
         this.firstSemesterTeam = true;
         this.members = new HashMap<>(4);
         this.passedStations = new HashMap<>();

src/main/java/de/pnreichmuth/timekeep_backend/services/TeamService.java

@@ -11,6 +11,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
+import java.util.Objects;
 import java.util.UUID;
 
 @SuppressWarnings("LoggingSimilarMessage")
@@ -21,6 +22,13 @@ public class TeamService {
     private final TeamRepository teamRepository;
     private final RacerRepository racerRepository;
 
+    private void checkTeamIsDuplicate(Team team) throws TeamExistsException {
+        List<Team> teams = teamRepository.findAll();
+        if (teams.stream().anyMatch(dbTeam -> dbTeam.getTeamName().equals(team.getTeamName()) && !dbTeam.getId().equals(team.getId()))) {
+            throw new TeamExistsException("A team by this name already exists.", team);
+        }
+    }
+
     public Team getTeam(UUID id){
         return teamRepository.findById(id).orElse(null);
     }
@@ -35,10 +43,12 @@ public class TeamService {
         return teamRepository.findAll();
     }
 
-    public Team createTeam(){
+    public Team createTeam() throws TeamExistsException {
         Team team = new Team();
+        team.setTeamName(String.format("Team %d", teamRepository.count() + 1));
         Racer racer = new Racer(null,"Paul", "Reichmuth",false,"0");
         team.addMember(racer);
+        checkTeamIsDuplicate(team);
         racerRepository.save(racer);
         teamRepository.save(team);
         log.info("Team created: {}", team);
@@ -46,9 +56,7 @@ public class TeamService {
     }
 
     public void createTeam(Team team) throws TeamExistsException{
-        if(teamRepository.existsByTeamName(team.getTeamName())){
+        checkTeamIsDuplicate(team);
-            throw new TeamExistsException("A team by this name already exists.", team);
-        }
         teamRepository.save(team);
         log.info("Team created: {}", team);
     }
@@ -56,7 +64,7 @@ public class TeamService {
     public void createTeam(String name) throws TeamExistsException{
         Team tempTeam = new Team();
         tempTeam.setTeamName(name);
-        if(teamRepository.existsByTeamName(tempTeam.getTeamName())) throw new TeamExistsException("A team by this name already exists.", tempTeam);
+        checkTeamIsDuplicate(tempTeam);
         teamRepository.save(tempTeam);
         log.info("Team created: {}", tempTeam);
     }
@@ -71,6 +79,12 @@ public class TeamService {
         teamRepository.deleteTeamByTeamName(name);
     }
 
+    public void updateTeam(Team team) throws TeamNotFoundException {
+        Objects.requireNonNull(team, "Can't update null team.");
+        checkTeamIsDuplicate(team);
+        racerRepository.saveAll(team.getMembers().values());
+        teamRepository.save(team);
+    }
     /**
      * DANGER ZONE
      */