Switch to openai-client, add conversation history empty label, remove unofficial reverse proxy (closes #43)

src/main/java/ee/carlrobert/codegpt/toolwindow/ToolWindowService.java

@@ -0,0 +1,81 @@
+package ee.carlrobert.codegpt.toolwindow;
+
+import com.intellij.ide.ui.LafManager;
+import com.intellij.ide.ui.LafManagerListener;
+import com.intellij.openapi.project.Project;
+import ee.carlrobert.codegpt.client.ClientFactory;
+import ee.carlrobert.codegpt.client.ClientRequestFactory;
+import ee.carlrobert.codegpt.client.EventListener;
+import ee.carlrobert.codegpt.conversations.ConversationsState;
+import ee.carlrobert.codegpt.conversations.message.Message;
+import ee.carlrobert.codegpt.settings.SettingsState;
+import ee.carlrobert.codegpt.toolwindow.chat.ChatGptToolWindow;
+import ee.carlrobert.codegpt.toolwindow.components.SyntaxTextArea;
+import java.util.List;
+import javax.swing.SwingWorker;
+import okhttp3.sse.EventSource;
+import org.jetbrains.annotations.NotNull;
+
+public class ToolWindowService implements LafManagerListener {
+
+  private ChatGptToolWindow chatToolWindow;
+
+  @Override
+  public void lookAndFeelChanged(@NotNull LafManager source) {
+    chatToolWindow.changeStyle();
+  }
+
+  public void setChatToolWindow(ChatGptToolWindow chatToolWindow) {
+    this.chatToolWindow = chatToolWindow;
+  }
+
+  public ChatGptToolWindow getChatToolWindow() {
+    return chatToolWindow;
+  }
+
+  public void startRequest(String prompt, SyntaxTextArea textArea, Project project) {
+    var conversationsState = ConversationsState.getInstance();
+    var currentConversation = ConversationsState.getCurrentConversation();
+    var conversation = currentConversation == null ? conversationsState.startConversation() : currentConversation;
+    var conversationMessage = new Message(prompt);
+
+    new SwingWorker<Void, String>() {
+      protected Void doInBackground() {
+        var eventListener = new EventListener(
+            conversationMessage,
+            textArea::append,
+            () -> chatToolWindow.stopGenerating(prompt, textArea, project)) {
+          public void onMessage(String message) {
+            publish(message);
+          }
+        };
+
+        EventSource call;
+        var settings = SettingsState.getInstance();
+        var requestFactory = new ClientRequestFactory(prompt, conversation);
+        if (settings.isChatCompletionOptionSelected) {
+          call = ClientFactory.getChatCompletionClient().stream(
+              requestFactory.buildChatCompletionRequest(settings), eventListener);
+        } else {
+          call = ClientFactory.getTextCompletionClient().stream(
+              requestFactory.buildTextCompletionRequest(settings), eventListener);
+        }
+        chatToolWindow.displayGenerateButton(call::cancel);
+        return null;
+      }
+
+      protected void process(List<String> chunks) {
+        for (String text : chunks) {
+          try {
+            textArea.append(text);
+            conversationMessage.setResponse(textArea.getText());
+            chatToolWindow.scrollToBottom();
+          } catch (Exception e) {
+            textArea.append("Something went wrong. Please try again later.");
+            throw new RuntimeException(e);
+          }
+        }
+      }
+    }.execute();
+  }
+}