Implementation of jpa saving for traffic traces.

backend/codiki-application/src/main/java/org/codiki/application/security/model/CustomUserDetails.java

@@ -25,6 +25,10 @@ public class CustomUserDetails implements UserDetails {
             .toList();
     }
 
+    public User getUser() {
+        return user;
+    }
+
     @Override
     public String getUsername() {
         return user.id().toString();

backend/codiki-application/src/main/java/org/codiki/application/traffic/TrafficTraceUseCases.java

@@ -26,7 +26,11 @@ public class TrafficTraceUseCases {
     }
 
     @Async
-    public void saveNewTrace(TrafficEndpoint trafficEndpoint, @Nullable String correlationId) {
+    public void saveNewTrace(
+            TrafficEndpoint trafficEndpoint,
+            @Nullable UUID userId,
+            @Nullable String correlationId
+    ) {
         if (isNull(trafficEndpoint)) {
             throw new TrafficTraceCreationException("Traffic endpoint should not be null.");
         }
@@ -35,6 +39,7 @@ public class TrafficTraceUseCases {
                 .withId(UUID.randomUUID())
                 .withDateTime(ZonedDateTime.now(clock))
                 .withEndpoint(trafficEndpoint)
+                .withUserId(userId)
                 .withCorrelationId(correlationId)
                 .build();
         trafficTracePort.save(newTrace);

backend/codiki-application/src/main/java/org/codiki/application/user/UserUseCases.java

@@ -87,9 +87,7 @@ public class UserUseCases {
             .map(Authentication::getPrincipal)
             .filter(CustomUserDetails.class::isInstance)
             .map(CustomUserDetails.class::cast)
-            .map(CustomUserDetails::getUsername)
-            .map(UUID::fromString)
-            .flatMap(userPort::findById);
+            .map(CustomUserDetails::getUser);
     }
 
     private UserAuthenticationData generateAuthenticationData(User user) {