chatbot improvements

diylc/diylc-core/src/main/java/org/diylc/common/EventType.java

@@ -106,5 +106,13 @@ public enum EventType {
   /**
    * Signals the listeners to scroll to selection.
    */
-  SCROLL_TO;
+  SCROLL_TO,
+  /**
+   * Signals that the Cloud account is logged in.
+   */
+  CLOUD_LOGGED_IN,
+  /**
+   * Signals that the Cloud account is logged out.
+   */
+  CLOUD_LOGGED_OUT;
 }

diylc/diylc-core/src/main/java/org/diylc/common/IPlugInPort.java

@@ -57,7 +57,7 @@ import org.diylc.test.ITestProcessor;
  * @see EventType
  */
 public interface IPlugInPort extends ISelectionProcessor, IMouseProcessor, IKeyProcessor, IVariantProcessor,
-    IBlockProcessor, INetlistProcessor, ITestProcessor {
+    IBlockProcessor, INetlistProcessor, ITestProcessor, IServiceManager {
 
   public static final String ANTI_ALIASING_KEY = "antiAliasing";
   public static final String HI_QUALITY_RENDER_KEY = "hiQualityRender";

diylc/diylc-core/src/main/java/org/diylc/common/IServiceManager.java

@@ -0,0 +1,14 @@
+package org.diylc.common;
+
+import org.diylc.appframework.simplemq.MessageDispatcher;
+import org.diylc.plugins.chatbot.service.ChatbotService;
+import org.diylc.plugins.cloud.service.CloudService;
+
+public interface IServiceManager {
+
+  CloudService getCloudService();
+
+  ChatbotService getChatbotService();
+
+  MessageDispatcher<EventType> getMessageDispatcher();
+}

diylc/diylc-core/src/main/java/org/diylc/plugins/chatbot/model/ChatMessageEntity.java

@@ -0,0 +1,76 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.plugins.chatbot.model;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class ChatMessageEntity implements Serializable {
+
+  private String prompt;
+  private String response;
+  private String createdOn;
+
+  public ChatMessageEntity(String prompt, String response, String createdOn) {
+    this.prompt = prompt;
+    this.response = response;
+    this.createdOn = createdOn;
+  }
+
+  public String getPrompt() {
+    return prompt;
+  }
+
+  public void setPrompt(String prompt) {
+    this.prompt = prompt;
+  }
+
+  public String getResponse() {
+    return response;
+  }
+
+  public void setResponse(String response) {
+    this.response = response;
+  }
+
+  public String getCreatedOn() {
+    return createdOn;
+  }
+
+  public void setCreatedOn(String createdOn) {
+    this.createdOn = createdOn;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == null || getClass() != o.getClass())
+      return false;
+    ChatMessageEntity that = (ChatMessageEntity) o;
+    return Objects.equals(prompt, that.prompt) && Objects.equals(response,
+        that.response) && Objects.equals(createdOn, that.createdOn);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(prompt, response, createdOn);
+  }
+}

diylc/diylc-core/src/main/java/org/diylc/plugins/chatbot/model/IChatbotAPI.java

@@ -23,6 +23,8 @@ package org.diylc.plugins.chatbot.model;
 
 import com.diyfever.httpproxy.ParamName;
 
+import java.util.List;
+
 public interface IChatbotAPI {
 
   /**
@@ -39,4 +41,13 @@ public interface IChatbotAPI {
   String promptChatbot(@ParamName("username") String username, @ParamName("token") String token,
       @ParamName("machineId") String machineId, @ParamName("project") String project,
       @ParamName("netlist") String netlist, @ParamName("prompt") String prompt);
+
+  SubscriptionEntity getSubscriptionInfo(@ParamName("username") String username, @ParamName("token") String token,
+      @ParamName("machineId") String machineId);
+
+  String deleteChatHistory(@ParamName("username") String username, @ParamName("token") String token,
+      @ParamName("machineId") String machineId, @ParamName("project") String project);
+
+  List<ChatMessageEntity> getChatHistory(@ParamName("username") String username, @ParamName("token") String token,
+      @ParamName("machineId") String machineId, @ParamName("project") String project);
 }

diylc/diylc-core/src/main/java/org/diylc/plugins/chatbot/model/SubscriptionEntity.java

@@ -0,0 +1,75 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.plugins.chatbot.model;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+public class SubscriptionEntity implements Serializable {
+  private String tier;
+  private String endDate;
+  private int remainingCredits;
+
+  public SubscriptionEntity(String tier, String endDate, int remainingCredits) {
+    this.tier = tier;
+    this.endDate = endDate;
+    this.remainingCredits = remainingCredits;
+  }
+
+  public String getTier() {
+    return tier;
+  }
+
+  public void setTier(String tier) {
+    this.tier = tier;
+  }
+
+  public String getEndDate() {
+    return endDate;
+  }
+
+  public void setEndDate(String endDate) {
+    this.endDate = endDate;
+  }
+
+  public int getRemainingCredits() {
+    return remainingCredits;
+  }
+
+  public void setRemainingCredits(int remainingCredits) {
+    this.remainingCredits = remainingCredits;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == null || getClass() != o.getClass())
+      return false;
+    SubscriptionEntity that = (SubscriptionEntity) o;
+    return remainingCredits == that.remainingCredits && Objects.equals(tier,
+        that.tier) && Objects.equals(endDate, that.endDate);
+  }
+
+  @Override
+  public int hashCode() {
+    return Objects.hash(tier, endDate, remainingCredits);
+  }
+}

diylc/diylc-core/src/main/java/org/diylc/plugins/chatbot/service/ChatbotException.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.chatbot.presenter;
+package org.diylc.plugins.chatbot.service;
 
 public class ChatbotException extends Exception {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/chatbot/service/ChatbotService.java

@@ -19,15 +19,12 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.chatbot.presenter;
+package org.diylc.plugins.chatbot.service;
 
 import com.diyfever.httpproxy.PhpFlatProxy;
 import com.diyfever.httpproxy.ProxyFactory;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.SerializationFeature;
 import org.apache.log4j.Logger;
-import org.checkerframework.checker.units.qual.C;
-import org.checkerframework.checker.units.qual.N;
 import org.diylc.appframework.miscutils.ConfigurationManager;
 import org.diylc.common.ComponentType;
 import org.diylc.common.IPlugInPort;
@@ -37,28 +34,15 @@ import org.diylc.netlist.Group;
 import org.diylc.netlist.Netlist;
 import org.diylc.netlist.NetlistException;
 import org.diylc.netlist.Node;
+import org.diylc.plugins.chatbot.model.ChatMessageEntity;
 import org.diylc.plugins.chatbot.model.IChatbotAPI;
-import org.diylc.plugins.cloud.model.CommentEntity;
+import org.diylc.plugins.chatbot.model.SubscriptionEntity;
 import org.diylc.plugins.cloud.model.IServiceAPI;
-import org.diylc.plugins.cloud.model.ProjectEntity;
+import org.diylc.plugins.cloud.service.NotLoggedInException;
-import org.diylc.plugins.cloud.model.UserEntity;
-import org.diylc.plugins.cloud.presenter.CloudException;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
-import org.diylc.plugins.cloud.presenter.NotLoggedInException;
-import org.diylc.presenter.ComparatorFactory;
 import org.diylc.presenter.ComponentProcessor;
+import org.diylc.utils.FileUtils;
 
-import javax.swing.*;
 import java.awt.*;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.lang.reflect.InvocationTargetException;
-import java.net.InetAddress;
-import java.net.NetworkInterface;
-import java.net.URL;
-import java.nio.channels.Channels;
-import java.nio.channels.ReadableByteChannel;
 import java.util.*;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -66,29 +50,30 @@ import java.util.stream.Collectors;
 import static org.diylc.utils.FileUtils.extractFileName;
 
 /**
- * Contains all the back-end logic for using the cloud and manipulating projects on the cloud.
+ * Contains all the back-end logic for using the chatbot.
  * 
  * @author Branislav Stojkovic
  */
-public class ChatbotPresenter {
+public class ChatbotService {
 
-  private static String ERROR = "Error";
+  public static final String LOG_IN_MESSAGE =
+      "Please log into your DIYLC Cloud account in order to use the AI Assistant";
 
-  private final static Logger LOG = Logger.getLogger(ChatbotPresenter.class);
+  private final static Logger LOG = Logger.getLogger(ChatbotService.class);
-  private static final Object SUCCESS = "Success";
-  private final IPlugInPort plugInPort;
   private static final ObjectMapper MAPPER = new ObjectMapper();
+  public static final String WELCOME_MESSAGE = "Welcome to the DIYLC AI Assistant!";
+
+  private final IPlugInPort plugInPort;
 
   private IChatbotAPI service;
-  private String serviceUrl;
 
-  public ChatbotPresenter(IPlugInPort plugInPort) {
+  public ChatbotService(IPlugInPort plugInPort) {
     this.plugInPort = plugInPort;
   }
 
   private IChatbotAPI getService() {
     if (service == null) {
-      serviceUrl =
+      String serviceUrl =
           ConfigurationManager.getInstance().readString(IServiceAPI.URL_KEY, "http://www.diy-fever.com/diylc/api/v1/ai");
       ProxyFactory factory = new ProxyFactory(new PhpFlatProxy());
       service = factory.createProxy(IChatbotAPI.class, serviceUrl);
@@ -97,7 +82,7 @@ public class ChatbotPresenter {
   }
 
   public String promptChatbot(String prompt) throws NotLoggedInException {
-    if (!CloudPresenter.Instance.isLoggedIn())
+    if (!plugInPort.getCloudService().isLoggedIn())
       throw new NotLoggedInException();
 
     String currentFile = plugInPort.getCurrentFileName();
@@ -111,9 +96,10 @@ public class ChatbotPresenter {
       netlist = null;
     }
 
-    return getService().promptChatbot(CloudPresenter.Instance.getCurrentUsername(),
+    return getService().promptChatbot(
-        CloudPresenter.Instance.getCurrentToken(),
+        plugInPort.getCloudService().getCurrentUsername(),
-        CloudPresenter.Instance.getMachineId(), fileName, netlist, prompt);
+        plugInPort.getCloudService().getCurrentToken(),
+        plugInPort.getCloudService().getMachineId(), fileName, netlist, prompt);
   }
 
   private static final Set<Class<?>> PROPERTY_TYPES_TO_SKIP = Set.of(Font.class, Color.class);
@@ -122,6 +108,10 @@ public class ChatbotPresenter {
   private String extractNetlists() throws NetlistException {
     List<Netlist> netlists = plugInPort.extractNetlists(true);
 
+    if (netlists == null) {
+      return null;
+    }
+    
     StringBuilder sb = new StringBuilder();
     sb.append("Components: ");
 
@@ -183,7 +173,7 @@ public class ChatbotPresenter {
     Random r = new Random();
 
     String chatHtml =
-        "<div class='system'>Welcome to the DIYLC AI Assistant!</div><br><br>\n" +
+        "<div class='system'>" + WELCOME_MESSAGE + "</div><br><br>\n" +
             "<div class='assistant'>I'm here to help you design, build, and troubleshoot your electronics projects using DIY Layout Creator (DIYLC). You can ask me questions about:</div><br>\n" +
             //            "<ul>\n" +
             "\n" +
@@ -195,13 +185,35 @@ public class ChatbotPresenter {
             "<br>\n" +
             "<div class='assistant'>Feel free to ask your own question or use one of these examples to get started!</div><br>\n";
 
-    if (!CloudPresenter.Instance.isLoggedIn()) {
-      chatHtml = chatHtml + "<div class='system' id='login'>Please log into your DIYLC Cloud account in order to use the AI Assistant.</div><br>\n";
-    }
-
     return chatHtml;
   }
 
+  public SubscriptionEntity getSubscriptionInfo() throws NotLoggedInException {
+    if (!plugInPort.getCloudService().isLoggedIn())
+      throw new NotLoggedInException();
+
+    return getService().getSubscriptionInfo(plugInPort.getCloudService().getCurrentUsername(),
+        plugInPort.getCloudService().getCurrentToken(), plugInPort.getCloudService().getMachineId());
+  }
+
+  public void deleteChatHistory() throws NotLoggedInException {
+    if (!plugInPort.getCloudService().isLoggedIn())
+      throw new NotLoggedInException();
+
+    getService().deleteChatHistory(plugInPort.getCloudService().getCurrentUsername(),
+        plugInPort.getCloudService().getCurrentToken(), plugInPort.getCloudService().getMachineId(),
+        FileUtils.extractFileName(plugInPort.getCurrentFileName()));
+  }
+
+  public List<ChatMessageEntity> getChatHistory() throws NotLoggedInException {
+    if (!plugInPort.getCloudService().isLoggedIn())
+      throw new NotLoggedInException();
+
+    return getService().getChatHistory(plugInPort.getCloudService().getCurrentUsername(),
+        plugInPort.getCloudService().getCurrentToken(), plugInPort.getCloudService().getMachineId(),
+        FileUtils.extractFileName(plugInPort.getCurrentFileName()));
+  }
+
   public static final String ASSISTANT = "assistant";
   public static final String SYSTEM = "system";
   public static final String USER = "user";

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/CloudException.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 public class CloudException extends Exception {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/CloudListener.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 public interface CloudListener {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/CloudService.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -37,6 +37,8 @@ import org.diylc.appframework.miscutils.ConfigurationManager;
 import com.diyfever.httpproxy.PhpFlatProxy;
 import com.diyfever.httpproxy.ProxyFactory;
 
+import org.diylc.common.EventType;
+import org.diylc.common.IPlugInPort;
 import org.diylc.common.PropertyWrapper;
 import org.diylc.plugins.cloud.model.CommentEntity;
 import org.diylc.plugins.cloud.model.IServiceAPI;
@@ -50,17 +52,16 @@ import org.diylc.presenter.ComponentProcessor;
  * 
  * @author Branislav Stojkovic
  */
-public class CloudPresenter {
+public class CloudService {
   
-  public static final CloudPresenter Instance = new CloudPresenter();
-
   private static String USERNAME_KEY = "cloud.Username";
   private static String TOKEN_KEY = "cloud.token";
 
   private static String ERROR = "Error";
 
-  private final static Logger LOG = Logger.getLogger(CloudPresenter.class);
+  private final static Logger LOG = Logger.getLogger(CloudService.class);
   private static final Object SUCCESS = "Success";
+  private final IPlugInPort plugInPort;
 
   private IServiceAPI service;
   private String serviceUrl;
@@ -69,7 +70,9 @@ public class CloudPresenter {
 
   private boolean loggedIn = false;
   
-  private CloudPresenter() {}
+  public CloudService(IPlugInPort plugInPort) {
+    this.plugInPort = plugInPort;
+  }
 
   private IServiceAPI getService() {
     if (service == null) {
@@ -99,6 +102,7 @@ public class CloudPresenter {
       ConfigurationManager.getInstance().writeValue(USERNAME_KEY, username);
       ConfigurationManager.getInstance().writeValue(TOKEN_KEY, res);
       this.loggedIn = true;
+      this.plugInPort.getMessageDispatcher().dispatchMessage(EventType.CLOUD_LOGGED_IN);
       return true;
     }
   }
@@ -121,6 +125,7 @@ public class CloudPresenter {
       } else {
         LOG.info("Login success");
         this.loggedIn = true;
+        this.plugInPort.getMessageDispatcher().dispatchMessage(EventType.CLOUD_LOGGED_IN);
         return true;
       }
     } else
@@ -130,6 +135,7 @@ public class CloudPresenter {
   public void logOut() {
     LOG.info("Logged out");
     ConfigurationManager.getInstance().writeValue(TOKEN_KEY, null);
+    this.plugInPort.getMessageDispatcher().dispatchMessage(EventType.CLOUD_LOGGED_OUT);
     this.loggedIn = false;
   }
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/NotConnectedException.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 public class NotConnectedException extends Exception {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/NotExistsException.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 public class NotExistsException extends Exception {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/NotLoggedInException.java

@@ -19,7 +19,7 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 public class NotLoggedInException extends Exception {
 

diylc/diylc-core/src/main/java/org/diylc/plugins/cloud/service/SearchSession.java

@@ -19,10 +19,11 @@
     along with DIYLC.  If not, see <http://www.gnu.org/licenses/>.
 
 */
-package org.diylc.plugins.cloud.presenter;
+package org.diylc.plugins.cloud.service;
 
 import java.util.List;
 
+import org.diylc.common.IPlugInPort;
 import org.diylc.plugins.cloud.model.ProjectEntity;
 
 /**
@@ -34,7 +35,8 @@ import org.diylc.plugins.cloud.model.ProjectEntity;
  * @author Branislav Stojkovic
  */
 public class SearchSession {
-  
+
+  private final IPlugInPort plugInPort;
   private String searchFor;
   private String category;
   private String sort;
@@ -43,7 +45,8 @@ public class SearchSession {
   private int currentPage;
   private List<ProjectEntity> currentResults;
 
-  public SearchSession() {
+  public SearchSession(IPlugInPort plugInPort) {
+    this.plugInPort = plugInPort;
   }
 
   public List<ProjectEntity> startSession(String searchFor, String category, String sort) throws CloudException {
@@ -52,7 +55,7 @@ public class SearchSession {
     this.sort = sort;
     this.currentPage = 1;
 
-    return currentResults = CloudPresenter.Instance.search(searchFor, category, sort, currentPage, itemsPerPage);
+    return currentResults = plugInPort.getCloudService().search(searchFor, category, sort, currentPage, itemsPerPage);
   }
 
   public boolean hasMoreData() {
@@ -61,6 +64,6 @@ public class SearchSession {
 
   public List<ProjectEntity> requestMoreData() throws CloudException {
     currentPage++;
-    return currentResults = CloudPresenter.Instance.search(searchFor, category, sort, currentPage, itemsPerPage);
+    return currentResults = plugInPort.getCloudService().search(searchFor, category, sort, currentPage, itemsPerPage);
   }
 }

diylc/diylc-core/src/main/java/org/diylc/presenter/Presenter.java

@@ -47,7 +47,6 @@ import java.util.function.Supplier;
 import java.util.stream.Collectors;
 import javax.swing.JOptionPane;
 import org.apache.log4j.Logger;
-import org.diylc.appframework.miscutils.IConfigListener;
 import org.diylc.appframework.miscutils.IConfigurationManager;
 import org.diylc.appframework.miscutils.Utils;
 import org.diylc.appframework.simplemq.MessageDispatcher;
@@ -78,6 +77,8 @@ import org.diylc.netlist.Netlist;
 import org.diylc.netlist.AbstractNetlistAnalyzer;
 import org.diylc.netlist.NetlistBuilder;
 import org.diylc.netlist.NetlistException;
+import org.diylc.plugins.chatbot.service.ChatbotService;
+import org.diylc.plugins.cloud.service.CloudService;
 import org.diylc.serialization.ProjectFileManager;
 import org.diylc.test.DIYTest;
 import org.diylc.test.Snapshot;
@@ -2810,7 +2811,27 @@ public class Presenter implements IPlugInPort {
     messageDispatcher.dispatchMessage(EventType.STATUS_MESSAGE_CHANGED);
   }
 
-  protected MessageDispatcher<EventType> getMessageDispatcher() {
+  private CloudService cloudService;
+
+  @Override
+  public CloudService getCloudService() {
+    if (cloudService == null) {
+      cloudService = new CloudService(this);
+    }
+    return cloudService;
+  }
+
+  private ChatbotService chatbotService;
+
+  @Override
+  public ChatbotService getChatbotService() {
+    if (chatbotService == null) {
+      chatbotService = new ChatbotService(this);
+    }
+    return chatbotService;
+  }
+
+  public MessageDispatcher<EventType> getMessageDispatcher() {
     return messageDispatcher;
   }
 }

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/chatbot/ChatbotPane.java

@@ -3,14 +3,16 @@ package org.diylc.swing.plugins.chatbot;
 import org.apache.log4j.Logger;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ITask;
-import org.diylc.plugins.chatbot.presenter.ChatbotPresenter;
+import org.diylc.plugins.chatbot.model.ChatMessageEntity;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
+import org.diylc.plugins.chatbot.model.SubscriptionEntity;
+import org.diylc.plugins.chatbot.service.ChatbotService;
+import org.diylc.plugins.cloud.service.NotLoggedInException;
 import org.diylc.swing.ISwingUI;
 
 import javax.swing.*;
 import java.awt.*;
-import java.io.File;
+import java.util.List;
-import java.util.Random;
+import java.util.Objects;
 
 public class ChatbotPane extends JPanel {
 
@@ -22,22 +24,32 @@ public class ChatbotPane extends JPanel {
   private static final Font MONOSPACED_FONT = new Font("Monospaced", Font.PLAIN, 12);
   private static final Color TERMINAL_BG = new Color(40, 40, 40);
   private static final Color TERMINAL_FG = new Color(200, 200, 200);
+  public static final String HTML_STYLE = String.format(
+      "<style>" + "body { font-family: %s; font-size: %dpt; color: rgb(%d,%d,%d); background-color: rgb(%d,%d,%d); padding: 0px; margin: 0; }" + "pre { white-space: pre-wrap; margin: 0; }" + ".user { color: #98C379; }" +      // Softer green that's easier on the eyes
+          ".assistant { color: #61AFEF; }" +  // Lighter, more vibrant blue
+          ".system { color: #E5C07B; }" +     // Warmer, muted yellow
+          ".temporary { color: #555555; }" + "</style>", MONOSPACED_FONT.getFamily(),
+      MONOSPACED_FONT.getSize(), TERMINAL_FG.getRed(), TERMINAL_FG.getGreen(),
+      TERMINAL_FG.getBlue(), TERMINAL_BG.getRed(), TERMINAL_BG.getGreen(), TERMINAL_BG.getBlue());
   private static final Color PROMPT_BG = new Color(60, 60, 60);  // Slightly brighter than TERMINAL_BG
 
   private ISwingUI swingUI;
   private IPlugInPort plugInPort;
-  private ChatbotPresenter chatbotPresenter;
+  private ChatbotService chatbotService;
 
   private JTextArea promptArea;
   private JEditorPane chatEditorPane;
   private JButton askButton;
   private JButton clearButton;
 
+  private boolean loggedIn = false;
+  private String projectFileName = null;
+
   public ChatbotPane(ISwingUI swingUI, IPlugInPort plugInPort) {
     super();
     this.swingUI = swingUI;
     this.plugInPort = plugInPort;
-    this.chatbotPresenter = new ChatbotPresenter(plugInPort);
+    this.chatbotService = new ChatbotService(plugInPort);
     setName("AI Assistant");
 
     // Set panel background color
@@ -134,7 +146,7 @@ public class ChatbotPane extends JPanel {
       promptArea.setPreferredSize(new Dimension(200, desiredHeight));
 
       // Add placeholder text behavior
-      final String placeholder = "Type your question here...";
+      final String placeholder = "Ask me anything";
       promptArea.setText(placeholder);
       promptArea.setForeground(new Color(128, 128, 128));  // Dimmer text for placeholder
 
@@ -188,6 +200,41 @@ public class ChatbotPane extends JPanel {
     return promptArea;
   }
 
+  public void refreshChat() {
+    boolean currentLoggedIn = plugInPort.getCloudService().isLoggedIn();
+    String currentProjectFileName = plugInPort.getCurrentFileName();
+
+    if (this.loggedIn == currentLoggedIn && Objects.equals(currentProjectFileName, this.projectFileName))
+      return;
+
+    this.loggedIn = currentLoggedIn;
+    this.projectFileName = currentProjectFileName;
+
+    resetChat();
+    try {
+      SubscriptionEntity subscriptionInfo = plugInPort.getChatbotService().getSubscriptionInfo();
+      appendSection(ChatbotService.SYSTEM, "Subscribed to " + subscriptionInfo.getTier() +
+          " tier with " + subscriptionInfo.getRemainingCredits() + " remaining credits.");
+    } catch (NotLoggedInException e) {
+      LOG.error("Error getting subscription info", e);
+      appendSection(ChatbotService.SYSTEM, "Error getting subscription info");
+    }
+    fetchChatHistory();
+    getAskButton().setEnabled(true);
+  }
+
+  private void fetchChatHistory() {
+    try {
+      List<ChatMessageEntity> chatHistory = plugInPort.getChatbotService().getChatHistory();
+      chatHistory.forEach(message -> {
+        appendSection(ChatbotService.USER, message.getPrompt());
+        appendSection(ChatbotService.ASSISTANT, message.getResponse());
+      });
+    } catch (NotLoggedInException e) {
+      appendSection(ChatbotService.SYSTEM, "Failed to retrieve chat history.");
+    }
+  }
+
   public JEditorPane getChatEditorPane() {
     if (chatEditorPane == null) {
       chatEditorPane = new JEditorPane("text/html", "<html></html>");
@@ -196,30 +243,20 @@ public class ChatbotPane extends JPanel {
       chatEditorPane.setBackground(TERMINAL_BG);
       chatEditorPane.setForeground(TERMINAL_FG);
       chatEditorPane.setCaretColor(TERMINAL_FG);  // Make the cursor visible on dark background
-      
-      // Set up HTML styling
-      String htmlStyle = String.format(
-          "<style>" +
-          "body { font-family: %s; font-size: %dpt; color: rgb(%d,%d,%d); background-color: rgb(%d,%d,%d); padding: 0px; margin: 0; }" +
-          "pre { white-space: pre-wrap; margin: 0; }" +
-          ".user { color: #98C379; }" +      // Softer green that's easier on the eyes
-          ".assistant { color: #61AFEF; }" +  // Lighter, more vibrant blue
-          ".system { color: #E5C07B; }" +     // Warmer, muted yellow
-          ".temporary { color: #555555; }" +
-          "</style>",
-          MONOSPACED_FONT.getFamily(),
-          MONOSPACED_FONT.getSize(),
-          TERMINAL_FG.getRed(), TERMINAL_FG.getGreen(), TERMINAL_FG.getBlue(),
-          TERMINAL_BG.getRed(), TERMINAL_BG.getGreen(), TERMINAL_BG.getBlue());
-
-      String sampleChat = chatbotPresenter.getInitialChatContents();
 
       chatEditorPane.setContentType("text/html");
-      chatEditorPane.setText(htmlStyle + "<body><pre>" + sampleChat + "</pre></body>");
+      chatEditorPane.setText(HTML_STYLE + "<body></body>");
     }
     return chatEditorPane;
   }
 
+  private void resetChat() {
+    String sampleChat = chatbotService.getInitialChatContents();
+
+    chatEditorPane.setContentType("text/html");
+    chatEditorPane.setText(HTML_STYLE + "<body>" + sampleChat + "</body>");
+  }
+
   public JButton getAskButton() {
     if (askButton == null) {
       askButton = new JButton("Ask");
@@ -229,8 +266,8 @@ public class ChatbotPane extends JPanel {
       askButton.setBorderPainted(true);
       askButton.addActionListener(e -> {
         final String prompt = getPromptArea().getText();
-        appendSection(ChatbotPresenter.USER, prompt);
+        appendSection(ChatbotService.USER, prompt);
-        appendSection(ChatbotPresenter.TEMPORARY, "Waiting for the response...");
+        appendSection(ChatbotService.TEMPORARY, "Waiting for the response...");
         getPromptArea().setText(null);
 
 
@@ -240,19 +277,19 @@ public class ChatbotPane extends JPanel {
 
           @Override
           public String doInBackground() throws Exception {
-            return chatbotPresenter.promptChatbot(prompt);
+            return chatbotService.promptChatbot(prompt);
           }
 
           @Override
           public void failed(Exception e) {
-            appendSection(ChatbotPresenter.SYSTEM, "Failed to retrieve the response from the server. Error: " + e.getMessage());
+            appendSection(ChatbotService.SYSTEM, "Failed to retrieve the response from the server.");
             LOG.error("Failed to retrieve the response from the server", e);
             getClearButton().setEnabled(true);
           }
 
           @Override
           public void complete(String result) {
-            appendSection(ChatbotPresenter.ASSISTANT, result);
+            appendSection(ChatbotService.ASSISTANT, result);
             getClearButton().setEnabled(true);
           }
         }, false);
@@ -261,7 +298,7 @@ public class ChatbotPane extends JPanel {
     return askButton;
   }
 
-  private void appendSection(String style, String insertText) {
+  void appendSection(String style, String insertText) {
     String text = getChatEditorPane().getText();
     // remove any temporary divs
     String regex = "(?s)<div\\s+class=[\"']temporary[\"'][^>]*>.*?</div>\\s*<br>\\s*";
@@ -281,6 +318,29 @@ public class ChatbotPane extends JPanel {
       clearButton.setForeground(TERMINAL_FG);
       clearButton.setFocusPainted(false);
       clearButton.setBorderPainted(true);
+      clearButton.addActionListener(e -> {
+
+        swingUI.executeBackgroundTask(new ITask<Void>() {
+
+          @Override
+          public Void doInBackground() throws Exception {
+            chatbotService.deleteChatHistory();
+            return null;
+          }
+
+          @Override
+          public void failed(Exception e) {
+            appendSection(ChatbotService.SYSTEM, "Failed to delete chat history from the server.");
+            LOG.error("Failed to delete chat history from the server", e);
+            getClearButton().setEnabled(true);
+          }
+
+          @Override
+          public void complete(Void result) {
+            resetChat();
+          }
+        }, false);
+      });
     }
     return clearButton;
   }

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/chatbot/ChatbotPlugin.java

@@ -26,15 +26,11 @@ import org.diylc.common.BadPositionException;
 import org.diylc.common.EventType;
 import org.diylc.common.IPlugIn;
 import org.diylc.common.IPlugInPort;
-import org.diylc.core.IDIYComponent;
-import org.diylc.core.Project;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
 import org.diylc.swing.ISwingUI;
 import org.diylc.swing.plugins.config.ConfigPlugin;
 
 import javax.swing.*;
 import java.util.EnumSet;
-import java.util.Set;
 
 public class ChatbotPlugin implements IPlugIn {
 
@@ -47,31 +43,44 @@ public class ChatbotPlugin implements IPlugIn {
   public ChatbotPlugin(ISwingUI swingUI) {
     super();
     this.swingUI = swingUI;
+
+    // Delay a test of logged in state to give it time to complete
+    Timer timer = new Timer(2000, e -> {
+      if (!plugInPort.getCloudService().isLoggedIn()) {
+        getChatbotPane().refreshChat();
+      }
+    });
+    timer.setRepeats(false); // Make it one-shot
+    timer.start();
   }
 
   @Override
   public EnumSet<EventType> getSubscribedEventTypes() {
     return EnumSet.of(EventType.FILE_STATUS_CHANGED, EventType.PROJECT_LOADED,
-        EventType.PROJECT_MODIFIED, EventType.SELECTION_CHANGED);
+        EventType.PROJECT_MODIFIED, EventType.SELECTION_CHANGED, EventType.CLOUD_LOGGED_IN,
+        EventType.CLOUD_LOGGED_OUT);
   }
 
   @SuppressWarnings("unchecked")
   @Override
   public void processMessage(EventType eventType, Object... params) {
-//    switch (eventType) {
+    switch (eventType) {
-//      case PROJECT_MODIFIED:
+      case PROJECT_MODIFIED:
 //        getChatbotPane().setComponents(((Project) params[1]).getComponents(),
 //            plugInPort.getSelectedComponents());
-//        break;
+        break;
-//      case PROJECT_LOADED:
+      case SELECTION_CHANGED:
-//        getChatbotPane().setComponents(((Project) params[0]).getComponents(),
-//            plugInPort.getSelectedComponents());
-//        break;
-//      case SELECTION_CHANGED:
 //        getChatbotPane().setSelection((Set<IDIYComponent<?>>) params[0]);
-//      default:
+        break;
-//        break;
+      case FILE_STATUS_CHANGED:
-//    }
+      case PROJECT_LOADED:
+      case CLOUD_LOGGED_IN:
+      case CLOUD_LOGGED_OUT:
+        getChatbotPane().refreshChat();
+        break;
+      default:
+        break;
+    }
   }
 
   @Override

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/cloud/CloudPlugIn.java

@@ -31,6 +31,7 @@ import javax.imageio.ImageIO;
 import javax.swing.AbstractAction;
 import org.apache.log4j.Logger;
 import org.diylc.appframework.miscutils.InMemoryConfigurationManager;
+import org.diylc.plugins.cloud.service.CloudService;
 import org.diylc.swingframework.ButtonDialog;
 
 import org.diylc.common.EventType;
@@ -38,8 +39,7 @@ import org.diylc.common.IPlugIn;
 import org.diylc.common.IPlugInPort;
 import org.diylc.common.ITask;
 import org.diylc.core.IView;
-import org.diylc.plugins.cloud.presenter.CloudException;
+import org.diylc.plugins.cloud.service.CloudException;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
 import org.diylc.presenter.Presenter;
 import org.diylc.swing.ISwingUI;
 import org.diylc.swing.gui.DialogFactory;
@@ -63,6 +63,7 @@ public class CloudPlugIn implements IPlugIn {
   private IPlugInPort plugInPort;
   private IPlugInPort thumbnailPresenter;
   private ThumbnailGenerator thumbnailGenerator;
+  private CloudService cloudService;
 
   private LibraryAction libraryAction;
 
@@ -106,6 +107,7 @@ public class CloudPlugIn implements IPlugIn {
   @Override
   public void connect(IPlugInPort plugInPort) {
     this.plugInPort = plugInPort;
+    this.cloudService = plugInPort.getCloudService();
 
     initialize();
   }
@@ -115,7 +117,7 @@ public class CloudPlugIn implements IPlugIn {
 
       @Override
       public Boolean doInBackground() throws Exception {
-        return CloudPresenter.Instance.tryLogInWithToken();
+        return cloudService.tryLogInWithToken();
       }
 
       @Override
@@ -244,7 +246,7 @@ public class CloudPlugIn implements IPlugIn {
         dialog.setVisible(true);
         if (ButtonDialog.OK.equals(dialog.getSelectedButtonCaption())) {
           try {
-            if (CloudPresenter.Instance.logIn(dialog.getUserName(), dialog.getPassword())) {
+            if (plugInPort.getCloudService().logIn(dialog.getUserName(), dialog.getPassword())) {
               swingUI
                   .showMessage(
                       "You have successfully logged into the system. You will remain logged in from this machine until logged out.",
@@ -277,7 +279,7 @@ public class CloudPlugIn implements IPlugIn {
 
     @Override
     public void actionPerformed(ActionEvent e) {
-      CloudPresenter.Instance.logOut();
+      cloudService.logOut();
       loggedOut();
     }
   }
@@ -301,7 +303,7 @@ public class CloudPlugIn implements IPlugIn {
 
           @Override
           public Void doInBackground() throws Exception {
-            CloudPresenter.Instance.createUserAccount(dialog.getUserName(), dialog.getPassword(), dialog.getEmail(),
+            cloudService.createUserAccount(dialog.getUserName(), dialog.getPassword(), dialog.getEmail(),
                 dialog.getWebsite(), dialog.getBio());
             return null;
           }
@@ -335,14 +337,14 @@ public class CloudPlugIn implements IPlugIn {
     public void actionPerformed(ActionEvent e) {
       try {
         final UserEditDialog dialog =
-            DialogFactory.getInstance().createUserEditDialog(CloudPresenter.Instance.getUserDetails());
+            DialogFactory.getInstance().createUserEditDialog(plugInPort.getCloudService().getUserDetails());
         dialog.setVisible(true);
         if (ButtonDialog.OK.equals(dialog.getSelectedButtonCaption())) {
           swingUI.executeBackgroundTask(new ITask<Void>() {
 
             @Override
             public Void doInBackground() throws Exception {
-              CloudPresenter.Instance.updateUserDetails(dialog.getEmail(), dialog.getWebsite(), dialog.getBio());
+              cloudService.updateUserDetails(dialog.getEmail(), dialog.getWebsite(), dialog.getBio());
               return null;
             }
 
@@ -384,7 +386,7 @@ public class CloudPlugIn implements IPlugIn {
 
           @Override
           public Void doInBackground() throws Exception {
-            CloudPresenter.Instance.updatePassword(dialog.getOldPassword(), dialog.getNewPassword());
+            cloudService.updatePassword(dialog.getOldPassword(), dialog.getNewPassword());
             return null;
           }
 
@@ -431,7 +433,7 @@ public class CloudPlugIn implements IPlugIn {
             public String[] doInBackground() throws Exception {
               LOG.debug("Uploading from " + file.getAbsolutePath());
               thumbnailPresenter.loadProjectFromFile(file.getAbsolutePath());
-              return CloudPresenter.Instance.getCategories();
+              return cloudService.getCategories();
             }
 
             @Override
@@ -448,7 +450,7 @@ public class CloudPlugIn implements IPlugIn {
 
                       @Override
                       public Void doInBackground() throws Exception {
-                        CloudPresenter.Instance.uploadProject(dialog.getName(), dialog.getCategory(), dialog
+                        cloudService.uploadProject(dialog.getName(), dialog.getCategory(), dialog
                             .getDescription(), dialog.getKeywords(), plugInPort.getCurrentVersionNumber().toString(),
                             thumbnailFile, file, null);
                         return null;

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/cloud/view/CommentDialog.java

@@ -37,11 +37,11 @@ import javax.swing.JScrollPane;
 import javax.swing.JSeparator;
 import javax.swing.JTextArea;
 
+import org.diylc.common.IPlugInPort;
 import org.diylc.common.ITask;
 import org.diylc.core.IView;
 import org.diylc.plugins.cloud.model.CommentEntity;
 import org.diylc.plugins.cloud.model.ProjectEntity;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
 import org.diylc.swing.ISimpleView;
 import org.diylc.swing.gui.components.HTMLTextArea;
 
@@ -57,6 +57,7 @@ public class CommentDialog extends JDialog {
 
   private static final long serialVersionUID = 1L;
 
+  private final IPlugInPort plugInPort;
   private ProjectEntity project;
   private List<CommentEntity> comments;
 
@@ -69,8 +70,9 @@ public class CommentDialog extends JDialog {
 
   private ISimpleView cloudUI;
 
-  public CommentDialog(ISimpleView cloudUI, ProjectEntity project, List<CommentEntity> comments) {
+  public CommentDialog(ISimpleView cloudUI, IPlugInPort plugInPort, ProjectEntity project, List<CommentEntity> comments) {
     super(cloudUI.getOwnerFrame(), "Comments on " + project.getName());
+    this.plugInPort = plugInPort;
     this.project = project;
     this.comments = comments;
     this.cloudUI = cloudUI;
@@ -79,7 +81,7 @@ public class CommentDialog extends JDialog {
     pack();
     setLocationRelativeTo(cloudUI.getOwnerFrame());
     setModal(true);
-    if (!CloudPresenter.Instance.isLoggedIn()) {
+    if (!plugInPort.getCloudService().isLoggedIn()) {
       getReplyArea().setEnabled(false);
       getReplyArea().setText("Must be logged in to reply.");
       getSendButton().setEnabled(false);
@@ -162,7 +164,7 @@ public class CommentDialog extends JDialog {
 
             @Override
             public Void doInBackground() throws Exception {
-              CloudPresenter.Instance.postComment(project.getId(), comment);
+              plugInPort.getCloudService().postComment(project.getId(), comment);
               return null;
             }
 
@@ -176,7 +178,7 @@ public class CommentDialog extends JDialog {
               getReplyArea().setText("");
               CommentEntity newComment = new CommentEntity();
               newComment.setPostedAt(JUST_NOW);
-              newComment.setUsername(CloudPresenter.Instance.getCurrentUsername());
+              newComment.setUsername(plugInPort.getCloudService().getCurrentUsername());
               newComment.setComment(comment);
               addComment(newComment).requestFocusInWindow();
               getListPanel().revalidate();

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/cloud/view/browser/CloudBrowserFrame.java

@@ -45,8 +45,7 @@ import org.diylc.common.IPlugInPort;
 import org.diylc.common.ITask;
 import org.diylc.core.IView;
 import org.diylc.plugins.cloud.model.ProjectEntity;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
+import org.diylc.plugins.cloud.service.SearchSession;
-import org.diylc.plugins.cloud.presenter.SearchSession;
 import org.diylc.swing.ISimpleView;
 import org.diylc.swing.ISwingUI;
 import org.diylc.utils.IconLoader;
@@ -84,7 +83,7 @@ public class CloudBrowserFrame extends JFrame implements ISimpleView {
     this.setIconImage(IconLoader.Cloud.getImage());
     this.setPreferredSize(new Dimension(700, 640));
     this.plugInPort = plugInPort;
-    this.searchSession = new SearchSession();
+    this.searchSession = new SearchSession(plugInPort);
 
     setContentPane(getSearchPanel());
     this.pack();
@@ -103,7 +102,9 @@ public class CloudBrowserFrame extends JFrame implements ISimpleView {
 
         @Override
         public Pair<String[], String[]> doInBackground() throws Exception {
-          return new Pair<String[], String[]>(CloudPresenter.Instance.getCategories(), CloudPresenter.Instance.getSortings());
+          return new Pair<String[], String[]>(
+              plugInPort.getCloudService().getCategories(),
+              plugInPort.getCloudService().getSortings());
         }
 
         @Override

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/cloud/view/browser/ResultsScrollPanel.java

@@ -59,8 +59,7 @@ import org.diylc.common.PropertyWrapper;
 import org.diylc.core.IView;
 import org.diylc.plugins.cloud.model.CommentEntity;
 import org.diylc.plugins.cloud.model.ProjectEntity;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
+import org.diylc.plugins.cloud.service.SearchSession;
-import org.diylc.plugins.cloud.presenter.SearchSession;
 import org.diylc.presenter.Presenter;
 import org.diylc.swing.ISimpleView;
 import org.diylc.swing.ISwingUI;
@@ -234,7 +233,7 @@ public class ResultsScrollPanel extends JScrollPane {
 
           @Override
           public List<CommentEntity> doInBackground() throws Exception {
-            return CloudPresenter.Instance.getComments(project.getId());
+            return plugInPort.getCloudService().getComments(project.getId());
           }
 
           @Override
@@ -245,7 +244,7 @@ public class ResultsScrollPanel extends JScrollPane {
 
           @Override
           public void complete(List<CommentEntity> result) {
-            CommentDialog dialog = new CommentDialog(cloudUI, project, result);
+            CommentDialog dialog = new CommentDialog(cloudUI, plugInPort, project, result);
             dialog.setVisible(true);
           }
 
@@ -343,7 +342,7 @@ public class ResultsScrollPanel extends JScrollPane {
     editButton.addMouseListener(new MouseAdapter() {
       @Override
       public void mouseClicked(MouseEvent e) {
-        List<PropertyWrapper> projectProperties = CloudPresenter.Instance.getProjectProperties(project);
+        List<PropertyWrapper> projectProperties = plugInPort.getCloudService().getProjectProperties(project);
         PropertyEditorDialog editor =
             DialogFactory.getInstance().createPropertyEditorDialog(cloudUI.getOwnerFrame(), projectProperties,
                 "Edit Published Project", true);
@@ -364,8 +363,8 @@ public class ResultsScrollPanel extends JScrollPane {
 
             @Override
             public ProjectEntity doInBackground() throws Exception {
-              CloudPresenter.Instance.updateProjectDetails(project, plugInPort.getCurrentVersionNumber().toString());
+              plugInPort.getCloudService().updateProjectDetails(project, plugInPort.getCurrentVersionNumber().toString());
-              return CloudPresenter.Instance.fetchUserUploads(project.getId()).get(0);
+              return plugInPort.getCloudService().fetchUserUploads(project.getId()).get(0);
             }
 
             @Override
@@ -418,11 +417,11 @@ public class ResultsScrollPanel extends JScrollPane {
                 thumbnailPresenter.loadProjectFromFile(file.getAbsolutePath());               
                 final File thumbnailFile = File.createTempFile("upload-thumbnail", ".png");
                 if (ImageIO.write(thumbnailGenerator.getThumbnail(), "png", thumbnailFile)) {
-                  CloudPresenter.Instance.replaceProjectFile(
+                  plugInPort.getCloudService().replaceProjectFile(
                       plugInPort.getCurrentVersionNumber().toString(), thumbnailFile, file,
                       project.getId());
                   return new Pair<BufferedImage, ProjectEntity>(thumbnailGenerator.getThumbnail(),
-                      CloudPresenter.Instance.fetchUserUploads(project.getId()).get(0));
+                      plugInPort.getCloudService().fetchUserUploads(project.getId()).get(0));
                 } else {
                   cloudUI.showMessage(
                       "Could not prepare temporary files to be uploaded to the cloud.",
@@ -478,7 +477,7 @@ public class ResultsScrollPanel extends JScrollPane {
 
             @Override
             public Void doInBackground() throws Exception {
-              CloudPresenter.Instance.deleteProject(project.getId());
+              plugInPort.getCloudService().deleteProject(project.getId());
               return null;
             }
 

diylc/diylc-swing/src/main/java/org/diylc/swing/plugins/cloud/view/browser/UploadManagerFrame.java

@@ -33,7 +33,6 @@ import org.diylc.common.IPlugInPort;
 import org.diylc.common.ITask;
 import org.diylc.core.IView;
 import org.diylc.plugins.cloud.model.ProjectEntity;
-import org.diylc.plugins.cloud.presenter.CloudPresenter;
 import org.diylc.swing.ISimpleView;
 import org.diylc.swing.ISwingUI;
 import org.diylc.utils.IconLoader;
@@ -80,7 +79,7 @@ public class UploadManagerFrame extends JFrame implements ISimpleView {
 
       @Override
       public List<ProjectEntity> doInBackground() throws Exception {
-        return CloudPresenter.Instance.fetchUserUploads(null);
+        return plugInPort.getCloudService().fetchUserUploads(null);
       }
 
       @Override