Class: Geminai::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/geminai/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(api_key: nil, base_url: nil) ⇒ Client

Returns a new instance of Client.



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# File 'lib/geminai/client.rb', line 9

def initialize(api_key: nil, base_url: nil)
  @api_key = api_key || ENV["GEMINI_API_KEY"]
  @base_url = base_url || "https://generativelanguage.googleapis.com"

  if @api_key.nil? || @api_key.empty?
    raise ArgumentError, "API Key is required"
  end
end

Instance Attribute Details

#api_key ⇒ Object (readonly)

Returns the value of attribute api_key.



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# File 'lib/geminai/client.rb', line 7

def api_key
  @api_key
end

#base_url ⇒ Object (readonly)

Returns the value of attribute base_url.



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# File 'lib/geminai/client.rb', line 7

def base_url
  @base_url
end

Instance Method Details

#interact(model:, input:, **options) ⇒ Object 



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# File 'lib/geminai/client.rb', line 18

def interact(model:, input:, **options)
  uri = URI.parse("#{@base_url}/v1beta/interactions")

  body = {
    model: model,
    input: input
  }

  # Infer output shortcut from model name if not explicitly provided
  output = options.delete(:output)
  unless output
    if model.include?("-tts-") || model.include?("-audio")
      output = :audio
    elsif model.include?("-image")
      output = :image
    elsif model.include?("-video") || model.include?("-generate")
      output = :video
    end
  end

  # Handle output shortcut
  if output
    body[:response_format] = {type: output.to_s}
    body[:response_format][:aspect_ratio] = options.delete(:aspect_ratio) if options.key?(:aspect_ratio)
    body[:response_format][:image_size] = options.delete(:image_size) if options.key?(:image_size)
  end

  if (voice = options.delete(:voice))
    body[:generation_config] = {speech_config: [{voice: voice}]}
  end

  # Merge other options, allowing them to override shortcuts if explicitly provided
  options.each do |k, v|
    if body[k].is_a?(Hash) && v.is_a?(Hash)
      body[k] = body[k].merge(v)
    else
      body[k] = v
    end
  end

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = (uri.scheme == "https")

  # Net::HTTP defaults read timeout is 60s, but search grounding or image generation can take longer,
  # let's set a generous timeout.
  http.read_timeout = 120

  request = Net::HTTP::Post.new(uri.request_uri)
  request["Content-Type"] = "application/json"
  request["x-goog-api-key"] = @api_key
  request.body = JSON.generate(body)

  response = http.request(request)

  unless response.code == "200"
    raise(
      ApiError.new("API Request failed with code #{response.code}: #{response.body}", response.code, response.body)
    )
  end

  data = JSON.parse(response.body, symbolize_names: true)
  Interaction.new(data)
end