Class: LlmCostTracker::Parsers::Gemini

Inherits:
Base
  • Object
show all
Defined in:
lib/llm_cost_tracker/parsers/gemini.rb

Constant Summary collapse

HOSTS = 
%w[generativelanguage.googleapis.com].freeze
TRACKED_PATH_PATTERN = 
%r{/models/[^/:]+:(?:generateContent|streamGenerateContent)\z}
STREAM_PATH_PATTERN = 
/:streamGenerateContent\z/

Instance Method Summary collapse

Instance Method Details

#match?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 14

def match?(url)
  uri = URI.parse(url.to_s)
  HOSTS.include?(uri.host.to_s.downcase) && uri.path.match?(TRACKED_PATH_PATTERN)
rescue URI::InvalidURIError
  false
end

#parse(request_url, _request_body, response_status, response_body) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 31

def parse(request_url, _request_body, response_status, response_body)
  return nil unless response_status == 200

  response = safe_json_parse(response_body)
  usage    = response["usageMetadata"]
  return nil unless usage

  build_parsed_usage(
    request_url,
    usage,
    usage_source: :response,
    provider_response_id: response["responseId"]
  )
end

#parse_stream(request_url, _request_body, response_status, events) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 46

def parse_stream(request_url, _request_body, response_status, events)
  return nil unless response_status == 200

  usage = merged_stream_usage(events)
  model = extract_model_from_url(request_url)

  if usage
    build_parsed_usage(
      request_url,
      usage,
      stream: true,
      usage_source: :stream_final,
      provider_response_id: stream_response_id(events)
    )
  else
    ParsedUsage.build(
      provider: "gemini",
      provider_response_id: stream_response_id(events),
      model: model,
      input_tokens: 0,
      output_tokens: 0,
      total_tokens: 0,
      stream: true,
      usage_source: :unknown
    )
  end
end

#provider_names ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 21

def provider_names
  %w[gemini]
end

#streaming_request?(request_url, request_body) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 25

def streaming_request?(request_url, request_body)
  return true if streaming_url?(request_url)

  super
end