Examples with Conversation codeu.model.data.Conversation used on opensource projects

Example 6 with Conversation

use of codeu.model.data.Conversation in project CodeU-Spring-2018 by jwang281.

the class PersistentStorageAgentTest method testWriteThroughConversation.

@Test
public void testWriteThroughConversation() {
    Conversation conversation = new Conversation(UUID.randomUUID(), UUID.randomUUID(), "test_conversation", Instant.now());
    persistentStorageAgent.writeThrough(conversation);
    Mockito.verify(mockPersistentDataStore).writeThrough(conversation);
}

Example 7 with Conversation

use of codeu.model.data.Conversation in project CodeU-Spring-2018 by jwang281.

the class DefaultDataStore method addRandomMessages.

private void addRandomMessages() {
    for (int i = 0; i < DEFAULT_MESSAGE_COUNT; i++) {
        Conversation conversation = getRandomElement(conversations);
        User author = getRandomElement(users);
        String content = getRandomMessageContent();
        Message message = new Message(UUID.randomUUID(), conversation.getId(), author.getId(), content, Instant.now());
        PersistentStorageAgent.getInstance().writeThrough(message);
        messages.add(message);
    }
}

Example 8 with Conversation

use of codeu.model.data.Conversation in project CodeU-Spring-2018 by jwang281.

the class PersistentDataStore method loadConversations.

/**
 * Loads all Conversation objects from the Datastore service and returns them in a List.
 *
 * @throws PersistentDataStoreException if an error was detected during the load from the
 *     Datastore service
 */
public List<Conversation> loadConversations() throws PersistentDataStoreException {
    List<Conversation> conversations = new ArrayList<>();
    // Retrieve all conversations from the datastore.
    Query query = new Query("chat-conversations");
    PreparedQuery results = datastore.prepare(query);
    for (Entity entity : results.asIterable()) {
        try {
            UUID uuid = UUID.fromString((String) entity.getProperty("uuid"));
            UUID ownerUuid = UUID.fromString((String) entity.getProperty("owner_uuid"));
            String title = (String) entity.getProperty("title");
            Instant creationTime = Instant.parse((String) entity.getProperty("creation_time"));
            Conversation conversation = new Conversation(uuid, ownerUuid, title, creationTime);
            conversations.add(conversation);
        } catch (Exception e) {
            // database entity definition mismatches, or service mismatches.
            throw new PersistentDataStoreException(e);
        }
    }
    return conversations;
}

Example 9 with Conversation

use of codeu.model.data.Conversation in project CodeU-Spring-2018 by jwang281.

the class ChatServlet method doPost.

/**
 * This function fires when a user submits the form on the chat page. It gets the logged-in
 * username from the session, the conversation title from the URL, and the chat message from the
 * submitted form data. It creates a new Message from that data, adds it to the model, and then
 * redirects back to the chat page.
 */
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    String username = (String) request.getSession().getAttribute("user");
    if (username == null) {
        // user is not logged in, don't let them add a message
        response.sendRedirect("/login");
        return;
    }
    User user = userStore.getUser(username);
    if (user == null) {
        // user was not found, don't let them add a message
        response.sendRedirect("/login");
        return;
    }
    String requestUrl = request.getRequestURI();
    String conversationTitle = requestUrl.substring("/chat/".length());
    Conversation conversation = conversationStore.getConversationWithTitle(conversationTitle);
    if (conversation == null) {
        // couldn't find conversation, redirect to conversation list
        response.sendRedirect("/conversations");
        return;
    }
    String messageContent = request.getParameter("message");
    // this removes any HTML from the message content
    String cleanedMessageContent = Jsoup.clean(messageContent, Whitelist.none());
    Message message = new Message(UUID.randomUUID(), conversation.getId(), user.getId(), cleanedMessageContent, Instant.now());
    messageStore.addMessage(message);
    // redirect to a GET request
    response.sendRedirect("/chat/" + conversationTitle);
}

Example 10 with Conversation

use of codeu.model.data.Conversation in project CodeU-Spring-2018 by jwang281.

the class ChatServlet method doGet.

/**
 * This function fires when a user navigates to the chat page. It gets the conversation title from
 * the URL, finds the corresponding Conversation, and fetches the messages in that Conversation.
 * It then forwards to chat.jsp for rendering.
 */
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    String requestUrl = request.getRequestURI();
    String conversationTitle = requestUrl.substring("/chat/".length());
    Conversation conversation = conversationStore.getConversationWithTitle(conversationTitle);
    if (conversation == null) {
        // couldn't find conversation, redirect to conversation list
        System.out.println("Conversation was null: " + conversationTitle);
        response.sendRedirect("/conversations");
        return;
    }
    UUID conversationId = conversation.getId();
    List<Message> messages = messageStore.getMessagesInConversation(conversationId);
    request.setAttribute("conversation", conversation);
    request.setAttribute("messages", messages);
    request.getRequestDispatcher("/WEB-INF/view/chat.jsp").forward(request, response);
}