Class: Sublayer::Providers::OpenAI

Inherits:
Object
  • Object
show all
Defined in:
lib/sublayer/providers/open_ai.rb

Class Method Summary collapse

Class Method Details

.call(prompt:, output_adapter:) ⇒ Object



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
# File 'lib/sublayer/providers/open_ai.rb', line 7

def self.call(prompt:, output_adapter:)
  client = ::OpenAI::Client.new(access_token: ENV.fetch("OPENAI_API_KEY"))

  request_id = SecureRandom.uuid

  Sublayer.configuration.logger.log(:info, "OpenAI API request", {
    model: Sublayer.configuration.ai_model,
    prompt: prompt,
    request_id: request_id,
  })

  before_request = Time.now

  response = client.chat(
    parameters: {
      model: Sublayer.configuration.ai_model,
      messages: [
        {
          "role": "user",
          "content": prompt
        }
      ],
      tool_choice: { type: "function", function: { name: output_adapter.name }},
      tools: [
        {
          type: "function",
          function: {
            name: output_adapter.name,
            description: output_adapter.description,
            parameters: {
              type: "object",
              properties: output_adapter.format_properties
            },
            required: output_adapter.format_required
          }
        }
      ]
    })

  after_request = Time.now
  response_time = after_request - before_request

  Sublayer.configuration.logger.log(:info, "OpenAI API response", {
    request_id: request_id,
    response_time: response_time,
    usage: {
      input_tokens: response["usage"]["prompt_tokens"],
      output_tokens: response["usage"]["completion_tokens"],
      total_tokens: response["usage"]["total_tokens"]
    }
  })

  message = response.dig("choices", 0, "message")

  raise "No function called" unless message["tool_calls"]

  function_body = message.dig("tool_calls", 0, "function", "arguments")

  raise "Error generating with OpenAI. Empty response. Try rewording your output adapter params to be from the perspective of the model. Full Response: #{response}" if function_body == "{}"
  raise "Error generating with OpenAI. Error: Max tokens exceeded. Try breaking your problem up into smaller pieces." if response["choices"][0]["finish_reason"] == "length"

  results = JSON.parse(function_body)[output_adapter.name]
end