Class: LLMs::APIs::OpenAICompatibleAPI

Inherits:
Object
  • Object
show all
Defined in:
lib/llms/apis/open_ai_compatible_api.rb

Instance Method Summary collapse

Constructor Details

#initialize(api_key, base_url) ⇒ OpenAICompatibleAPI

Returns a new instance of OpenAICompatibleAPI.



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# File 'lib/llms/apis/open_ai_compatible_api.rb', line 7

def initialize(api_key, base_url)
  @api_key = api_key
  @base_url = base_url
end

Instance Method Details

#chat_completion(model_name, messages, params = {}) ⇒ Object 



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# File 'lib/llms/apis/open_ai_compatible_api.rb', line 12

def chat_completion(model_name, messages, params = {})
  uri = URI("#{@base_url}/chat/completions")

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = @base_url.start_with?('https://')
  http.read_timeout = 1000

  stream = params.delete(:stream)
  params[:stream] = !!stream

  request = Net::HTTP::Post.new(uri).tap do |req|
    req['Content-Type'] = 'application/json'
    req['Authorization'] = "Bearer #{@api_key}"
    req.body = params.merge({
      model: model_name,
      messages: messages,
    }).to_json
  end

  if !!stream
    http.request(request) do |response|
      if response.code.to_s == '200'
        response.read_body do |data|
          stream.call(data)
        end
        return nil ## return nil to indicate that there's no separate api response other than the stream
      else
        return JSON.parse(response.body)
      end
    end
  else
    response = http.request(request)
    if response.code.to_s == '200'
      JSON.parse(response.body)
    else
      {'error' => JSON.parse(response.body)} ## TODO add status code?
    end
  end
end