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/

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#auto_enable_stream_usage?, #safe_json_parse

Methods included from UrlMatchers

#match_uri?, #parsed_uri, #path_matches?, #uri_matches?

Class Method Details

.match?(url) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 15

def match?(url)
  match_uri?(url, hosts: HOSTS, path_pattern: TRACKED_PATH_PATTERN)
end

.provider_names ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 19

def provider_names
  %w[gemini]
end

Instance Method Details

#model_for(request_url, _request_parsed) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 80

def model_for(request_url, _request_parsed)
  extract_model_from_url(request_url)
end

#parse(request_url:, request_body:, response_status:, response_body:, response_headers: nil) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 30

def parse(request_url:, request_body:, response_status:, response_body:, response_headers: nil)
  return nil unless response_status == 200

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

  request = safe_json_parse(request_body)
  model = extract_model_from_url(request_url)
  build_event(
    request_url: request_url,
    usage: usage,
    usage_source: :response,
    provider_response_id: response["responseId"],
    pricing_mode: pricing_mode(request: request, response_headers: response_headers),
    service_line_items: grounding_line_items(grounding_request_count(response["candidates"]), model: model)
  )
end

#parse_stream(response_status:, request_url: nil, request_body: nil, events: [], response_headers: nil) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 49

def parse_stream(response_status:, request_url: nil, request_body: nil, events: [], response_headers: nil)
  return nil unless response_status == 200

  request = safe_json_parse(request_body)
  usage = merged_stream_usage(events)
  model = extract_model_from_url(request_url)
  response_id = stream_response_id(events)
  mode = pricing_mode(request: request, response_headers: response_headers)
  service_line_items = grounding_line_items_for_stream(events, model: model)

  if usage
    build_event(
      request_url: request_url,
      usage: usage,
      stream: true,
      usage_source: :stream_final,
      provider_response_id: response_id,
      pricing_mode: mode,
      service_line_items: service_line_items
    )
  else
    build_unknown_stream_usage(
      provider: "gemini",
      model: model,
      provider_response_id: response_id,
      pricing_mode: mode,
      service_line_items: service_line_items
    )
  end
end

#provider_for(_request_url) ⇒ Object 



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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 84

def provider_for(_request_url)
  "gemini"
end

#streaming_request?(request_url, request_parsed) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 24

def streaming_request?(request_url, request_parsed)
  return true if match_uri?(request_url, path_pattern: STREAM_PATH_PATTERN)

  super
end