refactor

service/src/main/java/com/telephoners/krakyournet/ctf/core/HashValidator.java

@@ -39,9 +39,9 @@ public class HashValidator
         return Hex.encodeHexString(messageDigest.digest(combinedStrings.getBytes()));
     }
 
-    public boolean checkHash(User user, String hashValue, int taskLevel)
+    public Pair<Task, Flag> checkHash(User user, String hashValue, int taskLevel)
     {
-        Pair<Task, Flag> taskFlagPair = tasksRepository.getTaskFlagPairByHashValue(user, hashValue, taskLevel);
-        return solutionsRepository.submitSolution(user, taskFlagPair.getKey(), taskFlagPair.getValue(), hashValue);
+        return tasksRepository.getTaskFlagPairByHashValue(user, hashValue, taskLevel);
+        //todo: what if null?
     }
 }

service/src/main/java/com/telephoners/krakyournet/ctf/repositories/SolutionsRepository.java

@@ -72,10 +72,8 @@ public class SolutionsRepository extends Repository<Solution>
                 .collect(Collectors.toList());
     }
 
-    public boolean submitSolution(User user, Task task, Flag flag, String hashValue)
+    public boolean submitSolution(Solution solution)
     {
-        Team team = teamsRepository.getTeamByUser(user);
-        Solution solution = new Solution(team, task, flag, hashValue);
         if (!isAlreadySubmittedSolution(solution)) {
             add(solution);
             return true;

service/src/main/java/com/telephoners/krakyournet/ctf/resources/SolutionsResource.java

 package com.telephoners.krakyournet.ctf.resources;
 
+import com.telephoners.krakyournet.ctf.beans.Flag;
+import com.telephoners.krakyournet.ctf.beans.Solution;
 import com.telephoners.krakyournet.ctf.beans.Team;
 import com.telephoners.krakyournet.ctf.beans.User;
+import com.telephoners.krakyournet.ctf.beans.tasks.Task;
 import com.telephoners.krakyournet.ctf.core.HashValidator;
 import com.telephoners.krakyournet.ctf.repositories.SolutionsRepository;
-import com.telephoners.krakyournet.ctf.repositories.TasksRepository;
 import com.telephoners.krakyournet.ctf.repositories.TeamsRepository;
 import io.dropwizard.auth.Auth;
+import javafx.util.Pair;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -15,7 +18,6 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 import java.util.stream.Collectors;
 
 @Singleton
@@ -42,9 +44,12 @@ public class SolutionsResource
                                    @PathParam("task_level") int taskLevel,
                                    String hash) throws Exception
     {
-        if (hashValidator.checkHash(user, hash, taskLevel)) {
+        Pair<Task, Flag> taskFlagPair = hashValidator.checkHash(user, hash, taskLevel);
+        if (taskFlagPair != null) {
+            if(solutionsRepository.submitSolution(new Solution(teamsRepository.getTeamByUser(user), taskFlagPair.getKey(), taskFlagPair.getValue(), hash))) {
                 return Response.ok().build();
             }
+        }
         return Response.status(Response.Status.NOT_ACCEPTABLE).build();
     }