class Doorkeeper::OAuth::ClientCredentialsRequest::Issuer

def create(client, scopes, creator = Creator.new)
  if validation.valid?
    @token = create_token(client, scopes, creator)
    @error = :server_error unless @token
  else
    @token = false
    @error = validation.error
  end
  @token
end

def create_token(client, scopes, creator)
  creator.call(client, scopes, {
    :use_refresh_token => false,
    :expires_in        => @server.access_token_expires_in
  })
end

def initialize(server, validation)
  @server, @validation = server, validation
end