Class: Rager::Chat::Providers::Openai

Inherits:
Abstract
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/rager/chat/providers/openai.rb

Constant Summary collapse

OpenaiMessages = 
T.type_alias { T::Array[T::Hash[String, T.any(String, T::Array[T.untyped])]] }

Instance Method Summary collapse

Instance Method Details

#chat(messages, options) ⇒ Object

Raises:



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# File 'lib/rager/chat/providers/openai.rb', line 22

def chat(messages, options)
  api_key = options.api_key || ENV["OPENAI_API_KEY"]
  raise Rager::Errors::CredentialsError.new("OpenAI", env_var: ["OPENAI_API_KEY"]) if api_key.nil?

  base_url = options.url || ENV["OPENAI_URL"] || "https://api.openai.com/v1"

  body = {
    model: options.model || "gpt-4.1",
    messages: build_openai_messages(messages, options.history, options.system_prompt)
  }.tap do |b|
    b[:n] = options.n if options.n
    b[:max_tokens] = options.max_tokens if options.max_tokens
    b[:temperature] = options.temperature if options.temperature
    b[:stream] = options.stream if options.stream
    b[:seed] = options.seed if options.seed

    if options.schema && options.schema_name
      b[:response_format] = {
        type: "json_schema",
        json_schema: {
          name: T.must(options.schema_name).downcase,
          strict: true,
          schema: Rager::Chat::Schema.dry_schema_to_json_schema(T.must(options.schema))
        }
      }
    end
  end

  headers = {"Content-Type" => "application/json"}
  headers["Authorization"] = "Bearer #{api_key}" if api_key

  request = Rager::Http::Request.new(
    verb: Rager::Http::Verb::Post,
    url: "#{base_url}/chat/completions",
    headers: headers,
    body: body.to_json,
    streaming: options.stream || false,
    timeout: options.timeout || Rager.config.timeout
  )

  response = Rager.config.http_adapter.make_request(request)
  response_body = T.must(response.body)

  raise Rager::Errors::HttpError.new(Rager.config.http_adapter, request.url, response.status, body: T.cast(response_body, String)) if response.status != 200

  case response_body
  when String then handle_non_stream_body(response_body)
  when Enumerator then handle_stream_body(response_body)
  end
end