Preventing sent messages from being added to the sync again

Fixed #25

src/main/java/envoy/client/LocalDB.java

@@ -137,10 +137,7 @@ public class LocalDB {
 	public Sync fillSync(long userId) {
 		addWaitingMessagesToSync();
 
-		getSentStateMessagesFromLocalDB();
-		for (int i = 0; i < readMessages.getMessages().size(); i++) {
-			sync.getMessages().add(readMessages.getMessages().get(i));
-		}
+		sync.getMessages().addAll(readMessages.getMessages());
 		readMessages.getMessages().clear();
 
 		System.out.println(sync.getMessages().size());
@@ -230,14 +227,6 @@ public class LocalDB {
 
 	}
 
-	/**
-	 * Adds a message to the "sync" Sync object.
-	 * 
-	 * @param message
-	 * @since Envoy v0.1-alpha
-	 */
-	private void addMessageToSync(Message message) { sync.getMessages().add(message); }
-
 	/**
 	 * Adds the unread messages returned from the server in the latest sync to the
 	 * right chats in the LocalDB.
@@ -254,23 +243,6 @@ public class LocalDB {
 				}
 	}
 
-	/**
-	 * Gets all messages with state {@code SENT} from the LocalDB and adds them to
-	 * the {@code sync} {@link Sync} object.
-	 * 
-	 * @param localDB
-	 * @since Envoy v0.1-alpha
-	 */
-	private void getSentStateMessagesFromLocalDB() {
-		for (int i = 0; i < getChats().size(); i++) {
-			for (int j = 0; j < getChats().get(i).getModel().getSize(); j++) {
-				if (getChats().get(i).getModel().get(j).getMetadata().getState() == MessageState.SENT) {
-					addMessageToSync(getChats().get(i).getModel().get(j));
-				}
-			}
-		}
-	}
-
 	/**
 	 * Changes all messages with state {@code RECEIVED} of a specific chat to state
 	 * {@code READ}.
@@ -299,21 +271,18 @@ public class LocalDB {
 	public void addWaitingMessageToLocalDB(Message message, Chat currentChat) { currentChat.appendMessage(message); }
 
 	/**
-	 * Adds all messages with State WAITING from the {@link LocalDB} to the Sync.
+	 * Adds all messages with state {@code WAITING} from the {@link LocalDB} to the
+	 * {@link Sync} object.
 	 * 
-	 * @param localDB
 	 * @since Envoy v0.1-alpha
 	 */
 	private void addWaitingMessagesToSync() {
-		for (int i = 0; i < getChats().size(); i++) {
-			for (int j = 0; j < getChats().get(i).getModel().getSize(); j++) {
-				if (getChats().get(i).getModel().get(j).getMetadata().getState() == MessageState.WAITING) {
-					// addMessageToSync(localDB.getChats().get(i).getModel().get(j));
+		for (Chat chat : getChats())
+			for (int i = 0; i < chat.getModel().size(); i++)
+				if (chat.getModel().get(i).getMetadata().getState() == MessageState.WAITING) {
 					System.out.println("Got Waiting Message");
-					sync.getMessages().add(0, getChats().get(i).getModel().get(j));
+					sync.getMessages().add(chat.getModel().get(i));
 				}
-			}
-		}
 	}
 
 	/**

src/main/java/envoy/client/ui/ChatWindow.java

@@ -306,7 +306,8 @@ public class ChatWindow extends JFrame {
 	}
 
 	/**
-	 * Updates the data model and the ui every x seconds.
+	 * Updates the data model and the UI every repeatedly after a certain amount of
+	 * time.
 	 * 
 	 * @param timeout the amount of time that passes between two requests sent to
 	 *                the server