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Chatbot Overview: Floating Bubble & Full-Page Chat

1. What the Chatbot Feature Does #

According to the documentation, the Chatbot feature is one of the core parts of Davix AI Engine. It provides:

  • A floating chatbot bubble that appears across your site.
  • A chat popup window that opens when the user clicks the bubble.
  • A full-page chat experience via the
    👋 Welcome to Davix AI Engine!
     shortcode.
  • An optional login-required gate that shows an overlay to guests.
  • Integration with OpenAI via a REST endpoint to send and receive chat messages.
  • Optional site-search grounding to use posts/pages/products as context.

These pieces work together so that visitors can interact with an AI assistant anywhere on your WordPress site.

image IMAGE PLACEHOLDER: Screenshot of a front-end page showing the floating Davix AI chatbot bubble in the bottom corner and the chat popup open. IMAGE image

2. Where You Configure the Chatbot #

All chatbot settings live under:

  • WordPress Admin → Davix AI Engine → Chatbot.

From there, the documentation mentions several tabs, such as:

  • General / Style (branding and layout)
  • Buttons
  • Login Required
  • OpenAI Integration
  • Shortcode
  • Advanced / Custom CSS (depending on build)

Each of these tabs controls a different part of the chatbot experience. Later articles go through them step by step.

3. How the Chatbot Appears to Visitors #

The visitor’s experience follows this flow (based on your docs):

  1. The floating bubble is rendered by render_chat_widget_markup() on the front-end.
  2. When a visitor clicks the bubble:
    • The chat popup opens and shows:
      • The chatbot name and logo.
      • The welcome message (if set).
      • The chat history for that session.
  3. If you’ve created a page with
    👋 Welcome to Davix AI Engine!
    :
    • Visiting that page shows a full-page layout rendered by render_fullpage_layout() and render_fullpage_chat().
  4. If login_required is enabled:
    • Guests see a login/signup overlay instead of the chat interface.
    • The overlay texts and buttons come from your Chatbot settings.

4. How the Chatbot Talks to OpenAI #

From the technical section in your docs:

  • The plugin registers a REST route:
    • Namespace: davix-ai-engine/v1
    • Route: /chat
  • The route is registered in register_rest_routes() in the chatbot core class.
  • A permission callback (chat_permission_check()) validates:
    • Nonces.
    • Login status, especially when login_required is ON.
  • The handlerhandle_chat_request():
    • Reads the user message and current chatbot settings.
    • Optionally performs site search (if enabled).
    • Sends the request to OpenAI using:
      • openai_api_key
      • openai_model
      • system_prompt
      • temperature
    • Returns the AI’s response back to the front-end.

The front-end JavaScript for the chat popup calls this REST endpoint whenever a user sends a message.

5. Free vs Pro in the Chatbot Context #

From a user’s perspective, the chatbot is available in both Free and Pro:

  • Free:
    • Floating bubble + chat popup.
    • Full-page chat via shortcode.
    • Base theming and fixed model (gpt-4o-mini).
    • Site search grounding for posts/pages (basic).
  • Pro:
    • Additional theming options such as human message colors.
    • Model selection (not just gpt-4o-mini).
    • Extended search scopes (like products).
    • Telegram human handoff modes (when enabled separately).

image IMAGE PLACEHOLDER: Screenshot of the Chatbot settings main page (tabs visible: General, Buttons, Login Required, OpenAI Integration, Shortcode). IMAGE image

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