module Doorkeeper

# File lib/doorkeeper.rb, line 187
def authenticate(request, methods = Doorkeeper.config.access_token_methods)
  OAuth::Token.authenticate(request, *methods)
end

# File lib/doorkeeper.rb, line 133
def configuration
  @config || configure
end

# File lib/doorkeeper.rb, line 125
def configure(&block)
  @config = Config::Builder.new(&block).build
  setup
  @config
end

# File lib/doorkeeper.rb, line 137
def configured?
  !@config.nil?
end

# File lib/doorkeeper.rb, line 191
def gem_version
  ::Gem::Version.new(::Doorkeeper::VERSION::STRING)
end

# File lib/doorkeeper.rb, line 165
    def run_orm_hooks
      config.clear_cache!

      if @orm_adapter.respond_to?(:run_hooks)
        @orm_adapter.run_hooks
      else
        ::Kernel.warn <<~MSG.strip_heredoc
          [DOORKEEPER] ORM "#{configuration.orm}" should move all it's setup logic under `#run_hooks` method for
          the #{@orm_adapter.name}. Later versions of Doorkeeper will no longer support `setup_orm_models` and
          `setup_application_owner` API.
        MSG
      end
    end

# File lib/doorkeeper.rb, line 143
def setup
  setup_orm_adapter

  # Deprecated, will be removed soon
  unless configuration.orm == :active_record
    setup_orm_models
    setup_application_owner
  end
end

# File lib/doorkeeper.rb, line 183
def setup_application_owner
  @orm_adapter.initialize_application_owner!
end

# File lib/doorkeeper.rb, line 153
    def setup_orm_adapter
      @orm_adapter = "doorkeeper/orm/#{configuration.orm}".classify.constantize
    rescue NameError => e
      raise e, "ORM adapter not found (#{configuration.orm})", <<-ERROR_MSG.strip_heredoc
        [DOORKEEPER] ORM adapter not found (#{configuration.orm}), or there was an error
        trying to load it.

        You probably need to add the related gem for this adapter to work with
        doorkeeper.
      ERROR_MSG
    end

# File lib/doorkeeper.rb, line 179
def setup_orm_models
  @orm_adapter.initialize_models!
end