Class: Commiti::MessageGenerator

Inherits:
Object
  • Object
show all
Includes:
MessageGeneratorSupport
Defined in:
lib/services/message_generator.rb

Constant Summary collapse

COMMIT_PREFIX_ERROR = 
'First line must start with a conventional commit type (feat:, fix:, etc.).'
DEFAULT_COMMIT_SUBJECT = 
'update project files'
COMMIT_PREFIX_PATTERN = 
/\A(feat|fix|chore|refactor|docs|style|test|perf|ci|build|revert)(\([^)]+\))?!?\s*:?\s*/i

Instance Method Summary collapse

Constructor Details

#initialize(flow_type:, run_stage:, text_generation_config: nil) ⇒ MessageGenerator

Returns a new instance of MessageGenerator.



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# File 'lib/services/message_generator.rb', line 13

def initialize(flow_type:, run_stage:, text_generation_config: nil)
  @flow_type = flow_type
  @run_stage = run_stage
  @text_generation_config = text_generation_config || Commiti::TextGenerationStyle::DEFAULT_CONFIG
end

Instance Method Details

#generate_candidates(client:, prompt:, diff_metadata:, count:, model:) ⇒ Object 



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# File 'lib/services/message_generator.rb', line 19

def generate_candidates(client:, prompt:, diff_metadata:, count:, model:)
  (1..count).map do |index|
    puts "\nGenerating candidate #{index}/#{count}..."
    generate_with_quality_check(client: client, prompt: prompt, diff_metadata: diff_metadata, model: model)
  end
end

#generate_with_quality_check(client:, prompt:, diff_metadata:, model:) ⇒ Object 



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# File 'lib/services/message_generator.rb', line 26

def generate_with_quality_check(client:, prompt:, diff_metadata:, model:)
  message = clean_output(generate_from_client(
                           client: client,
                           system: prompt[:system],
                           user: prompt[:user],
                           model: model,
                           label: "Generating #{flow_type} with Google AI"
                         ))
  reason = invalid_generation_reason(message: message, diff_metadata: diff_metadata)
  return normalize_commit_message(message, diff_metadata: diff_metadata) if reason.nil? && flow_type == :commit
  return message if reason.nil?

  puts "\nGenerated output looked weak: #{reason}"
  puts "Retrying once with stronger constraints...\n"

  retried_message = clean_output(generate_from_client(
                                   client: client,
                                   system: prompt[:system],
                                   user: retry_prompt(prompt:, reason: reason),
                                   model: model,
                                   label: "Regenerating #{flow_type} with stricter prompt"
                                 ))
  retry_reason = invalid_generation_reason(message: retried_message, diff_metadata: diff_metadata)
  if flow_type == :commit && retry_reason&.include?(COMMIT_PREFIX_ERROR)
    normalized_commit = normalize_commit_message(retried_message, diff_metadata: diff_metadata)
    return normalized_commit || retried_message
  end
  return normalize_commit_message(retried_message, diff_metadata: diff_metadata) if retry_reason.nil? && flow_type == :commit
  return retried_message if retry_reason.nil?

  raise "Generated #{flow_type} is still invalid after retry: #{retry_reason}"
end