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/
PER_QUERY_GROUNDING_MODEL_PATTERN = 
/\bgemini-(?:[3-9]|[1-9]\d)\b/i

Instance Method Summary collapse

Instance Method Details

#match?(url) ⇒ Boolean

Returns:

  • (Boolean) 


14
15
16
 
# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 14

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

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



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 28

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_usage_capture(
    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_for_response(response, model: model)
  )
end

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



47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
 
# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 47

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_usage_capture(
      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_names ⇒ Object 



18
19
20
 
# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 18

def provider_names
  %w[gemini]
end

#streaming_request?(request_url, request_body) ⇒ Boolean

Returns:

  • (Boolean) 


22
23
24
25
26
 
# File 'lib/llm_cost_tracker/parsers/gemini.rb', line 22

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

  super
end