class Doorkeeper::AuthorizationsController

def authorization
  @authorization ||= Doorkeeper::OAuth::AuthorizationRequest.new(client, current_resource_owner, authorization_params)
end

def authorization_params
  params.has_key?(:authorization) ? params[:authorization] : params
end

def client
  @client ||= Doorkeeper::OAuth::Client.find(authorization_params[:client_id])
end

def create
  if authorization.authorize
    redirect_to authorization.success_redirect_uri
  elsif authorization.redirect_on_error?
    redirect_to authorization.invalid_redirect_uri
  else
    @error = authorization.error_response
    render :error
  end
end

def destroy
  authorization.deny
  redirect_to authorization.invalid_redirect_uri
end

def new
  if authorization.valid?
    if authorization.access_token_exists?
      authorization.authorize
      redirect_to authorization.success_redirect_uri
    end
  elsif authorization.redirect_on_error?
    redirect_to authorization.invalid_redirect_uri
  else
    @error = authorization.error_response
    render :error
  end
end