Class: ActiveCanvas::Admin::AiController

Inherits:
ApplicationController show all
Includes:
ActionController::Live, RateLimitable
Defined in:
app/controllers/active_canvas/admin/ai_controller.rb

Instance Method Summary collapse

Instance Method Details

#chat ⇒ Object 



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# File 'app/controllers/active_canvas/admin/ai_controller.rb', line 14

def chat
  unless AiConfiguration.text_enabled?
    return render json: { error: "Text generation is disabled" }, status: :forbidden
  end

  response.headers["Content-Type"] = "text/event-stream"
  response.headers["Cache-Control"] = "no-cache"
  response.headers["X-Accel-Buffering"] = "no"
  response.headers["Connection"] = "keep-alive"

  config = ActiveCanvas.config
  start_time = Time.current
  last_write = Time.current
  total_bytes = 0

  begin
    AiService.generate_text(
      prompt: params[:prompt],
      model: params[:model],
      context: build_context
    ) do |chunk|
      # Check stream timeout
      if Time.current - start_time > config.ai_stream_timeout
        write_sse_event("error", { error: "Stream timeout exceeded" })
        break
      end

      # Check idle timeout
      if Time.current - last_write > config.ai_stream_idle_timeout
        write_sse_event("error", { error: "Idle timeout - no data received" })
        break
      end

      # Check response size limit
      chunk_content = chunk.content.to_s
      chunk_size = chunk_content.bytesize
      total_bytes += chunk_size

      if total_bytes > config.ai_max_response_size
        write_sse_event("error", { error: "Response too large" })
        break
      end

      write_sse_event("chunk", { content: chunk_content })
      last_write = Time.current
    end

    write_sse_event("done", { total_bytes: total_bytes })
  rescue IOError => e
    # Client disconnected, this is normal
    Rails.logger.debug "AI Chat client disconnected: #{e.message}"
  rescue => e
    Rails.logger.error "AI Chat Error: #{e.class.name}: #{e.message}"
    begin
      write_sse_event("error", { error: e.message })
    rescue IOError
      # Client already disconnected
    end
  ensure
    response.stream.close rescue nil
  end
end

#image ⇒ Object 



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# File 'app/controllers/active_canvas/admin/ai_controller.rb', line 77

def image
  unless AiConfiguration.image_enabled?
    return render json: { error: "Image generation is disabled" }, status: :forbidden
  end

  media = AiService.generate_image(
    prompt: params[:prompt],
    model: params[:model]
  )

  render json: {
    success: true,
    image: media.as_json_for_editor,
    url: media.url
  }
rescue => e
  Rails.logger.error "AI Image Error: #{e.message}"
  render json: { error: e.message }, status: :unprocessable_entity
end

#models ⇒ Object 



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# File 'app/controllers/active_canvas/admin/ai_controller.rb', line 118

def models
  text   = AiModels.text_models
  image  = AiModels.image_models
  vision = AiModels.vision_models

  unless params[:debug]
    strip = ->(list) { list.map { |m| m.except(:input_modalities, :output_modalities, "input_modalities", "output_modalities") } }
    text   = strip.call(text)
    image  = strip.call(image)
    vision = strip.call(vision)
  end

  render json: {
    text: text,
    image: image,
    vision: vision,
    default_text: Setting.ai_default_text_model,
    default_image: Setting.ai_default_image_model,
    default_vision: Setting.ai_default_vision_model
  }
end

#screenshot_to_code ⇒ Object 



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# File 'app/controllers/active_canvas/admin/ai_controller.rb', line 97

def screenshot_to_code
  unless AiConfiguration.screenshot_enabled?
    return render json: { error: "Screenshot to code is disabled" }, status: :forbidden
  end

  unless params[:screenshot].present?
    return render json: { error: "No screenshot provided" }, status: :bad_request
  end

  html = AiService.screenshot_to_code(
    image_data: params[:screenshot],
    model: params[:model],
    additional_prompt: params[:additional_prompt]
  )

  render json: { success: true, html: html }
rescue => e
  Rails.logger.error "AI Screenshot Error: #{e.message}"
  render json: { error: e.message }, status: :unprocessable_entity
end

#status ⇒ Object 



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# File 'app/controllers/active_canvas/admin/ai_controller.rb', line 140

def status
  render json: {
    configured: AiConfiguration.configured?,
    providers: AiConfiguration.configured_providers,
    text_enabled: AiConfiguration.text_enabled?,
    image_enabled: AiConfiguration.image_enabled?,
    screenshot_enabled: AiConfiguration.screenshot_enabled?
  }
end