Fix users being completely broken.

src/com/dmdirc/Client.java

@@ -38,97 +38,61 @@
  */
 public class Client implements User {
 
-    private final Collection<GroupChat> groupChats;
     private final Connection connection;
     private final ClientInfo clientInfo;
-    private String nickname;
-    private Optional<String> username;
-    private Optional<String> hostname;
-    private Optional<String> realname;
-    private Optional<String> awayMessage;
 
-    public Client(final String nickname, final Connection connection, final ClientInfo clientInfo) {
-        this(nickname, connection, Optional.empty(), Optional.empty(), Optional.empty(), clientInfo);
-    }
-
-    public Client(final String nickname, final Connection connection,
-            final Optional<String> username,
-            final Optional<String> hostname,
-            final Optional<String> realname,
-            final ClientInfo clientInfo) {
-        this.nickname = nickname;
+    public Client(final Connection connection, final ClientInfo clientInfo) {
         this.connection = connection;
-        this.username = username;
-        this.hostname = hostname;
-        this.realname = realname;
         this.clientInfo = clientInfo;
-        groupChats = new ArrayList<>();
-        awayMessage = Optional.empty();
     }
 
     @Override
     public String getNickname() {
-        return nickname;
-    }
-
-    @Override
-    public void setNickname(final String nickname) {
-        this.nickname = nickname;
+        return clientInfo.getNickname();
     }
 
     @Override
     public Optional<String> getUsername() {
-        return username;
-    }
-
-    @Override
-    public void setUsername(final Optional<String> username) {
-        this.username = username;
+        if (clientInfo.getUsername().isEmpty()) {
+            return Optional.empty();
+        } else {
+            return Optional.of(clientInfo.getUsername());
+        }
     }
 
     @Override
     public Optional<String> getHostname() {
-        return hostname;
-    }
-
-    @Override
-    public void setHostname(final Optional<String> hostname) {
-        this.hostname = hostname;
+        if (clientInfo.getHostname().isEmpty()) {
+            return Optional.empty();
+        } else {
+            return Optional.of(clientInfo.getHostname());
+        }
     }
 
     @Override
     public Optional<String> getRealname() {
-        return realname;
-    }
-
-    @Override
-    public void setRealname(final Optional<String> realname) {
-        this.realname = realname;
+        if (clientInfo.getRealname().isEmpty()) {
+            return Optional.empty();
+        } else {
+            return Optional.of(clientInfo.getRealname());
+        }
     }
 
     @Override
     public Collection<GroupChat> getGroupChats() {
-        return Collections.unmodifiableCollection(groupChats);
-    }
-
-    @Override
-    public void addGroupChat(final GroupChat groupChat) {
-        groupChats.add(groupChat);
-    }
-
-    @Override
-    public void delGroupChat(final GroupChat groupChat) {
-        groupChats.remove(groupChat);
+        final Collection<GroupChat> channels = new ArrayList<>();
+        clientInfo.getChannelClients().forEach(c -> connection.getGroupChatManager()
+                .getChannel(c.getChannel().getName()).ifPresent(channels::add));
+        return Collections.unmodifiableCollection(channels);
     }
 
     @Override
     public Optional<String> getAwayMessage() {
-        return awayMessage;
-    }
-
-    @Override
-    public void setAwayMessage(final Optional<String> awayMessage) {
-        this.awayMessage = awayMessage;
+        if (clientInfo.getAwayReason().isEmpty()) {
+            return Optional.empty();
+        } else {
+            return Optional.of(clientInfo.getAwayReason());
+        }
     }
 
     @Override

src/com/dmdirc/Query.java

@@ -230,7 +230,6 @@ public void onNickChanged(final Parser parser, final Date date,
 
             addLine(format, oldNick, client.getUsername(),
                     client.getHostname(), client.getNickname());
-            user.setNickname(client.getNickname());
             updateTitle();
 
             setName(client.getNickname());

src/com/dmdirc/UserFactory.java

@@ -26,8 +26,6 @@
 import com.dmdirc.interfaces.User;
 import com.dmdirc.parser.interfaces.ClientInfo;
 
-import java.util.Optional;
-
 import javax.inject.Inject;
 
 /**
@@ -39,14 +37,7 @@ public class UserFactory {
     public UserFactory() {
     }
 
-    public User getUser(final String nickname, final Connection connection,
-            final ClientInfo clientInfo) {
-        return new Client(nickname, connection, clientInfo);
-    }
-
-    public User getUser(final String nickname, final Connection connection,
-            final Optional<String> username, final Optional<String> hostname,
-            final Optional<String> realname, final ClientInfo clientInfo) {
-        return new Client(nickname, connection, username, hostname, realname, clientInfo);
+    public User getUser(final Connection connection, final ClientInfo clientInfo) {
+        return new Client(connection, clientInfo);
     }
 }

src/com/dmdirc/UserManager.java

@@ -28,7 +28,6 @@
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Optional;
 
 import javax.inject.Inject;
 import javax.inject.Singleton;
@@ -49,10 +48,7 @@ public UserManager(final UserFactory userFactory) {
     }
 
     public User getUserFromClientInfo(final ClientInfo client, final Connection connection) {
-        userCache.putIfAbsent(client, userFactory.getUser(client.getNickname(), connection,
-                Optional.ofNullable(client.getUsername()),
-                Optional.ofNullable(client.getHostname()),
-                Optional.ofNullable(client.getRealname()), client));
+        userCache.putIfAbsent(client, userFactory.getUser(connection,client));
         return userCache.get(client);
     }
 }

src/com/dmdirc/interfaces/User.java

@@ -39,90 +39,41 @@ public interface User {
      */
     String getNickname();
 
-    /**
-     * Sets the nickname for this client.
-     *
-     * @param nickname New nickname for this client
-     */
-    void setNickname(final String nickname);
-
     /**
      * Retrieves the username or ident used by this client.
      *
      * @return This client's username
      */
     Optional<String> getUsername();
 
-    /**
-     * Sets the username for this client.
-     *
-     * @param username New username
-     */
-    void setUsername(final Optional<String> username);
-
     /**
      * Retrieves the hostname that this client is connecting from.
      *
      * @return This client's hostname
      */
     Optional<String> getHostname();
 
-    /**
-     * Sets the hostname for this client.
-     *
-     * @param hostname New hostname
-     */
-    void setHostname(final Optional<String> hostname);
-
     /**
      * Retrieves the full/real name of the client.
      *
      * @return This client's real name
      */
     Optional<String> getRealname();
 
-    /**
-     * Sets the realname for the client.
-     *
-     * @param realname New realname
-     */
-    void setRealname(final Optional<String> realname);
-
     /**
      * Retries the {@link GroupChat}s the client is a member of.
      *
      * @return Collection of {@link GroupChat}s, may be empty
      */
     Collection<GroupChat> getGroupChats();
 
-    /**
-     * Adds a {@link GroupChat} to the list of {@link GroupChat}s this user is on.
-     *
-     * @param groupChat GroupChat to add
-     */
-    void addGroupChat(final GroupChat groupChat);
-
-    /**
-     * Deletes a {@link GroupChat} from the list of {@link GroupChat}s this user is on.
-     *
-     * @param groupChat GroupChat to add
-     */
-    void delGroupChat(final GroupChat groupChat);
-
     /**
      * Returns the away message for the client, if the away message is empty the user is not away.
      *
      * @return Optional.empty if the user is not away, wrapped away reason if they are
      */
     Optional<String> getAwayMessage();
 
-    /**
-     * Sets the away message for the client.
-     *
-     * @param awayMessage Optional.empty if the user is not away, wrapped away reason if they are
-     */
-    void setAwayMessage(final Optional<String> awayMessage);
-
     /**
      * Returns the away state for this user.
      *

test/com/dmdirc/ServerEventHandlerTest.java

@@ -83,10 +83,7 @@ public void setUp() {
         when(server.getState()).thenReturn(ServerState.CONNECTED);
         when(parser.getCallbackManager()).thenReturn(callbackManager);
         when(server.getConnection()).thenReturn(Optional.ofNullable(server));
-        when(userFactory.getUser(anyString(), any(Connection.class), eq(clientInfo))).thenReturn(user);
-        when(userFactory.getUser(anyString(), any(Connection.class), Optional.of(anyString()),
-                        Optional.of(anyString()), Optional.of(anyString()), eq(clientInfo)))
-                .thenReturn(user);
+        when(userFactory.getUser(any(Connection.class), eq(clientInfo))).thenReturn(user);
         when(server.getUser(anyString())).thenReturn(user);
         when(server.getLocalUser()).thenReturn(Optional.of(user));
         final ServerEventHandler handler = new ServerEventHandler(server, groupChatManager,