Module: Legion::LLM::API::OpenAI::Models

Extended by:
Legion::Logging::Helper
Defined in:
lib/legion/llm/api/openai/models.rb

Constant Summary collapse

PROVIDER_DEFAULT_MODELS = 
{
  bedrock:   'us.anthropic.claude-sonnet-4-6-v1',
  anthropic: 'claude-sonnet-4-6',
  openai:    'gpt-4o',
  gemini:    'gemini-2.0-flash',
  azure:     nil,
  ollama:    'llama3'
}.freeze

Class Method Summary collapse

Class Method Details

.build_model_list ⇒ Object 



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# File 'lib/legion/llm/api/openai/models.rb', line 67

def self.build_model_list
  models = []

  models.concat(models_from_discovery)
  models.concat(models_from_providers)

  seen = {}
  models.select { |m| seen[m[:id]] ? false : (seen[m[:id]] = true) }
end

.models_from_discovery ⇒ Object 



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# File 'lib/legion/llm/api/openai/models.rb', line 77

def self.models_from_discovery
  return [] unless defined?(Legion::LLM::Discovery::Ollama) &&
                   Legion::LLM::Discovery::Ollama.respond_to?(:available_models)

  Legion::LLM::Discovery::Ollama.available_models.map do |model_id|
    Legion::LLM::API::Translators::OpenAIResponse.format_model_object(model_id, owned_by: 'ollama')
  end
rescue StandardError => e
  handle_exception(e, level: :warn, handled: true, operation: 'llm.api.openai.models.discovery')
  []
end

.models_from_providers ⇒ Object 



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# File 'lib/legion/llm/api/openai/models.rb', line 89

def self.models_from_providers
  providers_config = Legion::LLM.settings.fetch(:providers, {})
  providers_config.filter_map do |name, config|
    next unless config.is_a?(Hash) && config[:enabled] != false

    model_id = config[:default_model] || PROVIDER_DEFAULT_MODELS[name.to_sym]
    next unless model_id

    Legion::LLM::API::Translators::OpenAIResponse.format_model_object(
      model_id, owned_by: name.to_s
    )
  end
rescue StandardError => e
  handle_exception(e, level: :warn, handled: true, operation: 'llm.api.openai.models.providers')
  []
end

.registered(app) ⇒ Object 



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# File 'lib/legion/llm/api/openai/models.rb', line 22

def self.registered(app)
  log.debug('[llm][api][openai][models] registering GET /v1/models and GET /v1/models/:id')

  app.get '/v1/models' do
    log.debug('[llm][api][openai][models] action=list')
    require_llm!

    model_list = Legion::LLM::API::OpenAI::Models.build_model_list
    log.debug("[llm][api][openai][models] action=listed count=#{model_list.size}")

    content_type :json
    Legion::JSON.dump({ object: 'list', data: model_list })
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.openai.models.list')
    halt 500, { 'Content-Type' => 'application/json' },
         Legion::JSON.dump({ error: { message: e.message, type: 'server_error' } })
  end

  app.get '/v1/models/:id' do
    model_id = params[:id]
    log.debug("[llm][api][openai][models] action=get id=#{model_id}")
    require_llm!

    model_list = Legion::LLM::API::OpenAI::Models.build_model_list
    found = model_list.find { |m| m[:id] == model_id }

    unless found
      log.debug("[llm][api][openai][models] action=not_found id=#{model_id}")
      halt 404, { 'Content-Type' => 'application/json' },
           Legion::JSON.dump({ error: { message: "Model '#{model_id}' not found",
                                        type: 'invalid_request_error', code: 'model_not_found' } })
    end

    log.debug("[llm][api][openai][models] action=found id=#{model_id}")
    content_type :json
    Legion::JSON.dump(found)
  rescue StandardError => e
    handle_exception(e, level: :error, handled: true, operation: 'llm.api.openai.models.get')
    halt 500, { 'Content-Type' => 'application/json' },
         Legion::JSON.dump({ error: { message: e.message, type: 'server_error' } })
  end

  log.debug('[llm][api][openai][models] GET /v1/models routes registered')
end