fixed not updating user status and implemented easier to read structure

src/main/java/envoy/server/ConnectionManager.java

@@ -1,5 +1,6 @@
 package envoy.server;
 
+import java.util.Date;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
@@ -7,8 +8,7 @@ import java.util.Set;
 
 import com.jenkov.nioserver.ISocketIdListener;
 
-import envoy.data.User;
+import envoy.data.User.UserStatus;
-import envoy.event.UserStatusChangeEvent;
 import envoy.server.database.PersistenceManager;
 import envoy.server.processors.UserStatusChangeProcessor;
 
@@ -51,9 +51,10 @@ public class ConnectionManager implements ISocketIdListener {
 	public void socketCancelled(long socketId) {
 		if (!pendingSockets.remove(socketId)) {
 			// notifying contacts of this users offline-going
-			long	clientId	= getUserIdBySocketId(socketId);
+			envoy.server.data.User user = PersistenceManager.getPersistenceManager().getUserById(getUserIdBySocketId(socketId));
-			User	user		= new User(clientId, PersistenceManager.getPersistenceManager().getUserById(clientId).getName());
+			user.setStatus(UserStatus.OFFLINE);
-			UserStatusChangeProcessor.updateUserStatus(new UserStatusChangeEvent(user));
+			user.setLastSeen(new Date());
+			UserStatusChangeProcessor.updateUserStatus(user);
 
 			// removing the socket
 			sockets.entrySet().stream().filter(e -> e.getValue() == socketId).forEach(e -> sockets.remove(e.getValue()));

src/main/java/envoy/server/database/PersistenceManager.java

@@ -5,7 +5,6 @@ import java.util.List;
 import javax.persistence.EntityManager;
 import javax.persistence.Persistence;
 
-import envoy.data.User.UserStatus;
 import envoy.server.data.ConfigItem;
 import envoy.server.data.Message;
 import envoy.server.data.User;
@@ -220,20 +219,4 @@ public class PersistenceManager {
 	// TODO current solution gets all users, not just contacts. Should be changed to
 	// entityManager.createNamedQuery("getContactsOfUser").setParameter("user",
 	// user).getResultList();
-
-	/**
-	 * Updates the {@link UserStatus} in the database.
-	 *
-	 * @param user   the {@link User} who changes his status
-	 * @param status the new status of that user
-	 * @since Envoy Server Standalone v0.1-alpha
-	 */
-	public void updateUserStatus(User user, UserStatus status) {
-		if (user.getStatus().equals(status))
-			System.out.println("Received an UserStatusChangeEvent for user " + user.getId() + " to update that this user already has");
-		else {
-			user.setStatus(status);
-			persistenceManager.updateUser(user);
-		}
-	}
 }

src/main/java/envoy/server/processors/LoginCredentialProcessor.java

@@ -10,7 +10,7 @@ import envoy.data.Contacts;
 import envoy.data.LoginCredentials;
 import envoy.data.Message.MessageStatus;
 import envoy.data.User;
-import envoy.event.UserStatusChangeEvent;
+import envoy.data.User.UserStatus;
 import envoy.server.ConnectionManager;
 import envoy.server.ObjectProcessor;
 import envoy.server.data.Message;
@@ -48,7 +48,8 @@ public class LoginCredentialProcessor implements ObjectProcessor<LoginCredential
 
 		// notifies contacts of this users online-going and updates his status in the
 		// database
-		UserStatusChangeProcessor.updateUserStatus(new UserStatusChangeEvent(user.toCommonUser()));
+		user.setStatus(UserStatus.ONLINE);
+		UserStatusChangeProcessor.updateUserStatus(user);
 
 		// Create contacts
 		Contacts contacts = new Contacts(user.getId(),

src/main/java/envoy/server/processors/UserStatusChangeProcessor.java

@@ -22,16 +22,16 @@ import envoy.server.net.ObjectWriteProxy;
  */
 public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChangeEvent> {
 
-	private static ObjectWriteProxy writeProxy;
+	private static ObjectWriteProxy	writeProxy;
+	private static PersistenceManager		persistenceManager	= PersistenceManager.getPersistenceManager();
 
 	@Override
 	public Class<UserStatusChangeEvent> getInputClass() { return UserStatusChangeEvent.class; }
 
 	@Override
 	public void process(UserStatusChangeEvent input, long socketId, ObjectWriteProxy writeProxy) throws IOException {
-		PersistenceManager perMan = PersistenceManager.getPersistenceManager();
 		// new status should not equal old status
-		if (input.get().equals(perMan.getUserById(input.getId()).getStatus())) {
+		if (input.get().equals(persistenceManager.getUserById(input.getId()).getStatus())) {
 			System.out.println("Received an unnecessary UserStatusChangeEvent");
 			return;
 		}
@@ -43,17 +43,24 @@ public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChan
 	 * Sets the {@link UserStatus} for a given user. Both offline contacts and
 	 * currently online contacts are notified.
 	 *
-	 * @param evt the {@link UserStatusChangeEvent} that signals the change
+	 * @param user the {@link UserStatusChangeEvent} that signals the change
+	 * @since Envoy Server Standalone v0.1-alpha
+	 */
+
+	public static void updateUserStatus(User user) {
+		// handling for newly logged in clients
+		persistenceManager.updateUser(user);
+
+		// handling for contacts that are already online
+		notifyContacts(user);
+	}
+
+	/**
+	 * @param evt the {@link UserStatusChangeEvent}
 	 * @since Envoy Server Standalone v0.1-alpha
 	 */
 	public static void updateUserStatus(UserStatusChangeEvent evt) {
-		// handling for newly logged in clients
+		updateUserStatus(persistenceManager.getUserById(evt.getId()));
-		PersistenceManager		perMan	= PersistenceManager.getPersistenceManager();
-		envoy.server.data.User	user	= perMan.getUserById(evt.getId());
-		perMan.updateUserStatus(user, evt.get());
-
-		// handling for contacts that are already online
-		notifyContacts(evt, user);
 	}
 
 	/**
@@ -65,11 +72,12 @@ public class UserStatusChangeProcessor implements ObjectProcessor<UserStatusChan
 	 * @throws IOException if sending this update failed for any contact
 	 * @since Envoy Server Standalone v0.1-alpha
 	 */
-	private static void notifyContacts(UserStatusChangeEvent evt, envoy.server.data.User user) {
+	private static void notifyContacts(User user) {
-		ConnectionManager conMan = ConnectionManager.getInstance();
+		UserStatusChangeEvent	evt					= new UserStatusChangeEvent(user.getId(), user.getStatus());
+		ConnectionManager		connectionManager	= ConnectionManager.getInstance();
 		try {
 			for (User contact : user.getContacts())
-				if (conMan.isOnline(contact.getId())) writeProxy.write(conMan.getSocketId(contact.getId()), evt);
+				if (connectionManager.isOnline(contact.getId())) writeProxy.write(connectionManager.getSocketId(contact.getId()), evt);
 		} catch (IOException e) {
 			e.printStackTrace();
 			System.err.println("Could not notify online contacts of user " + evt.getId() + " that his status changed");