Class: CompletionKit::OpenAiClient

Inherits:
LlmClient
  • Object
show all
Defined in:
app/services/completion_kit/open_ai_client.rb

Constant Summary collapse

STATIC_MODELS = 
[
  { id: "gpt-5.4-mini", name: "GPT-5.4 Mini" },
  { id: "gpt-4.1-mini", name: "GPT-4.1 Mini" },
  { id: "gpt-4o-mini", name: "GPT-4o Mini" }
].freeze

Instance Method Summary collapse

Methods inherited from LlmClient

for_model, for_provider, #initialize

Constructor Details

This class inherits a constructor from CompletionKit::LlmClient

Instance Method Details

#available_models ⇒ Object 



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# File 'app/services/completion_kit/open_ai_client.rb', line 51

def available_models
  STATIC_MODELS
end

#configuration_errors ⇒ Object 



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# File 'app/services/completion_kit/open_ai_client.rb', line 59

def configuration_errors
  errors = []
  errors << "OpenAI API key is not configured" unless api_key.present?
  errors
end

#configured? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/completion_kit/open_ai_client.rb', line 55

def configured?
  api_key.present?
end

#generate_completion(prompt, options = {}) ⇒ Object 



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# File 'app/services/completion_kit/open_ai_client.rb', line 9

def generate_completion(prompt, options = {})
  return "Error: API key not configured" unless configured?

  require "faraday"
  require "faraday/retry"
  require "json"

  model = options[:model] || "gpt-4.1-mini"
  max_tokens = options[:max_tokens] || 1000
  temperature = options[:temperature] || 0.7

  conn = Faraday.new(url: "https://api.openai.com") do |f|
    f.request :retry, max: 2, interval: 0.5
    f.adapter Faraday.default_adapter
  end

  response = conn.post do |req|
    req.url "/v1/responses"
    req.headers["Content-Type"] = "application/json"
    req.headers["Authorization"] = "Bearer #{api_key}"
    req.body = {
      model: model,
      input: prompt,
      instructions: "You are a helpful assistant.",
      max_output_tokens: max_tokens,
      temperature: temperature,
      store: false
    }.to_json
  end

  if response.success?
    data = JSON.parse(response.body)
    data["output"][0]["content"][0]["text"].strip
  else
    "Error: #{response.status} - #{response.body}"
  end
rescue Faraday::Error => e
  raise
rescue => e
  "Error: #{e.message}"
end