refactor getTeamSOlutions

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

@@ -23,20 +23,12 @@ public class SolutionsRepository extends Repository<Solution>
         super(datastore);
     }
 
-    public List<Solution> getByTeam(Team team)
+    public Map<Integer, List<String>> getTeamSolutions(Team team)
     {
-        //todo: merge with upper
         //todo: use morphia filter
-        return datastore.createQuery(Solution.class)
-                .asList().stream()
+        return datastore.createQuery(Solution.class).asList()
+                .stream()
                 .filter(solution -> solution.getTeam().equals(team))
-                .collect(Collectors.toList());
-        //todo: group by task
-    }
-
-    public Map<Integer, List<String>> getTeamSolutions(Team team)
-    {
-        return getByTeam(team).stream()
                 .collect(Collectors.groupingBy(new Function<Solution, Task>()
                 {
                     @Override
@@ -44,7 +36,9 @@ public class SolutionsRepository extends Repository<Solution>
                     {
                         return solution1.getTask();
                     }
-                })).entrySet().stream()
+                }))
+                .entrySet()
+                .stream()
                 .collect(Collectors.toMap(
                         taskSolutions -> taskSolutions.getKey().getLevel(),
                         taskSolutions -> taskSolutions.getValue().stream()