Concern exceptions

exceptions.rb

module Exceptions
  extend ActiveSupport::Concern

  included do
    unless Rails.application.config.consider_all_requests_local
      rescue_from Exception, with: :render_error
      rescue_from ActiveRecord::RecordNotFound, with: :render_not_found
      rescue_from ActionController::RoutingError, with: :render_not_found
      rescue_from ActionController::UnknownController, with: :render_not_found
      rescue_from Pundit::NotAuthorizedError, with: :user_not_authorized
      rescue_from ActionController::UnknownFormat, with: :render_not_found
    end
    rescue_from NoMembershipError, with: :select_course
  end

  # Called by last route matching unmatched routes
  # Raises RoutingError which will be rescued from in the same way as other exceptions.
  def raise_not_found!
    render nothing: true and return if params[:path] && params[:path] =~ /\A(assets|uploads|images)/
    raise ActionController::RoutingError.new("No route matches #{params[:path]}")
  end

  private

  def select_course
    if current_user.courses.ongoing.blank?
      redirect_to new_contact_path and return
    else
      redirect_to courses_path and return
    end
  end

  def render_not_found(exception)
    render_exception exception, code: 404, message: 'Not Found Error'
  end

  def render_error(exception)
    render_exception exception, code: 500, message: 'Server Error'
  end

  def user_not_authorized(exception)
    render_exception exception, code: 403, message: 'Not Authorized'
  end

  def render_exception(exception, opts = {})
    Rails.logger.info exception.message
    Rails.logger.info exception.backtrace.join("\n")

    #Rollbar.report_exception(exception, rollbar_request_data, rollbar_person_data)

    respond_to do |format|
      format.html { render layout: 'application', template: "application/#{opts[:code]}", status: opts[:code] }
      format.js { render json: { error: opts[:message] }, status: opts[:code] }
      format.json { render json: { error: opts[:message] }, status: opts[:code] }
    end
  end

  class NoMembershipError < StandardError
  end
end