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

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 10

def match?(url)
  uri = URI.parse(url.to_s)
  HOSTS.include?(uri.host)
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 17

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

  # Extract model from URL: /v1beta/models/gemini-2.5-flash:generateContent
  model = extract_model_from_url(request_url)

  {
    provider: "gemini",
    model: model,
    input_tokens: usage["promptTokenCount"] || 0,
    output_tokens: usage["candidatesTokenCount"] || 0,
    total_tokens: usage["totalTokenCount"] || 0
  }
end