QutBioacousticsResearchGroup/bioacoustic-workbench

class ApplicationController < ActionController::Base
  before_filter :authenticate_user!
  protect_from_forgery

  ## CanCan permisisons
  ## https://github.com/ryanb/cancan

  ##Automatically does the following:
  ##@product = Product.find(params[:id])
  ##authorize! :discontinue, @product
  ## ----------------------------------


  #check_authorization :unless => :devise_controller?
  #load_and_authorize_resource  :unless => :devise_controller?
  rescue_from CanCan::AccessDenied do |exception|
    ##redirect_to root_url, :alert => exception.message
    render :json => Api::SessionsController.forbidden_info(current_user).to_json, :status => :forbidden
  end

  # end CanCan permissions

  # userstamp
  include Userstamp

  # from http://stackoverflow.com/a/94626
  def render_csv(filename = nil)
    require 'csv'
    filename ||= params[:action]
    filename += '.csv'

    if request.env['HTTP_USER_AGENT'] =~ /msie/i
      headers['Pragma'] = 'public'
      headers["Content-type"] = "text/plain"
      headers['Cache-Control'] = 'no-cache, must-revalidate, post-check=0, pre-check=0'
      headers['Content-Disposition'] = "attachment; filename=\"#{filename}\""
      headers['Expires'] = "0"
    else
      headers["Content-Type"] ||= 'text/csv'
      headers["Content-Disposition"] = "attachment; filename=\"#{filename}\""
    end

    render :layout => false
  end

  def add_archived_at_header(model)
    if model.respond_to?(:deleted_at) && !model.deleted_at.blank?
      response.headers["X-Archived-At"] = model.deleted_at
    end
  end

  def no_content_as_json
    head :no_content, :content_type => "application/json"
  end

  private

  #def set_stamper
  #  User.stamper = current_user if user_signed_in?
  #end

  def set_stampers
    User.stamper = self.current_user
  end
end