Class ChatManager

app/services/ChatManager.ts:37–281

* Class to manage the state and operations of the chat

 * Class to manage the state and operations of the chat
 */
class ChatManager {

  private state: ChatState; // State of the chat
  private static instance: ChatManager | null = null; // Singleton instance of the ChatManager

  // Private constructor for singleton pattern
  private constructor(setChatMessages: (messages: any[]) => void, setStatusMessage: (message: string) => void, setProgress: (progress: number) => void, setIsLoadingFirstMessage: (isLoading: boolean) => void) {
    // Initialize the state
    this.state = {
      assistantId: null,
      threadId: null,
      messages: [],
      isLoading: false,
      error: null,
      runId: null,
      assistantResponseReceived: false,
      isSending: false,
      setChatMessages: setChatMessages,
      setStatusMessage: setStatusMessage,
      statusMessage: '',
      setProgress: setProgress,
      setIsLoadingFirstMessage: setIsLoadingFirstMessage,
    };
    console.log('ChatManager initialized');
  }
  
  // Method to get the current messages
  public getCurrentMessages(): any[] {
    return this.state.messages;
  }

  // Method to get the singleton instance of the ChatManager
  public static getInstance(setChatMessages: (messages: any[]) => void, setStatusMessage: (message: string) => void, setProgress: (progress: number) => void, setIsLoadingFirstMessage: (isLoading: boolean) => void): ChatManager { // Add setIsLoadingFirstMessage here
    if (this.instance === null) {
      this.instance = new ChatManager(setChatMessages, setStatusMessage, setProgress, setIsLoadingFirstMessage); // And here
    }
    return this.instance;
  }

  // Method to start the assistant
  async startAssistant(assistantDetails: any, fileIds: string[], initialMessage: string): Promise<void> {
    console.log('Starting assistant...');
    
    this.state.setStatusMessage('Initializing chat assistant...');
    this.state.isLoading = true;
    
    try {

    
      // Initialize the assistant
      this.state.setStatusMessage('Create Assistant...');
      const assistantId = await initializeAssistant(assistantDetails, fileIds);
      if (assistantId === null) {
        throw new Error('AssistantId is null');
      }
      this.state.setStatusMessage('Assistant created...');
  
      // Create the chat thread