Class: NitroIntelligence::Client::Observers::LangfuseObserver

Inherits:
Object
  • Object
show all
Defined in:
lib/nitro_intelligence/client/observers/langfuse_observer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(project_client:) ⇒ LangfuseObserver

Returns a new instance of LangfuseObserver.



7
8
9
 
# File 'lib/nitro_intelligence/client/observers/langfuse_observer.rb', line 7

def initialize(project_client:)
  @project_client = project_client
end

Instance Attribute Details

#project_client ⇒ Object (readonly)

Returns the value of attribute project_client.



5
6
7
 
# File 'lib/nitro_intelligence/client/observers/langfuse_observer.rb', line 5

def project_client
  @project_client
end

Instance Method Details

#observe(operation_name, type:, parameters:, trace_name:, prompt: nil) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/MethodLength



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/nitro_intelligence/client/observers/langfuse_observer.rb', line 11

def observe(operation_name, type:, parameters:, trace_name:, prompt: nil) # rubocop:disable Metrics/AbcSize, Metrics/MethodLength
  metadata = parameters[:metadata]
  seed = parameters[:trace_seed]
  user_id = parameters[:user_id] || NitroIntelligence.configuration.observability_user_id
  trace_id = NitroIntelligence::Trace.create_id(seed:) if seed.present?

  if prompt
    metadata[:prompt_name] = prompt.name
    metadata[:prompt_version] = prompt.version
  end

  metadata = metadata.transform_values(&:to_s)

  Langfuse.propagate_attributes(
    user_id:,
    metadata:
  ) do
    @project_client.observability_client.observe(
      operation_name,
      as_type: type,
      trace_id:,
      environment: NitroIntelligence.environment.to_s,
      model: parameters[:model],
      metadata:
    ) do |generation|
      generation.update_trace(name: trace_name, release: NitroIntelligence.configuration.current_revision)
      generation.update({ prompt: { name: prompt.name, version: prompt.version } }) if prompt

      result, trace_attributes = yield(generation)

      if trace_attributes
        handle_truncation(trace_attributes[:input], trace_attributes[:output], trace_attributes[:model])

        generation.model = trace_attributes[:model] if trace_attributes[:model]
        generation.usage_details = trace_attributes[:usage_details] if trace_attributes[:usage_details]
        generation.input = trace_attributes[:input] if trace_attributes[:input]
        generation.output = trace_attributes[:output] if trace_attributes[:output]

        generation.update_trace(input: trace_attributes[:input], output: trace_attributes[:output])
      end

      result
    end
  end
end