class AttendancesController < ApplicationController
  before_action :require_login
  before_action :find_course, only: [:create, :index]

  def create
    ActiveRecord::Base.transaction do
      attendance = @course.course_attendances.create!(create_params)
      unless params[:group_ids].blank?
        params[:group_ids].each do |group_id|
          @course.course_attendance_groups.create!(course_group_id: group_id, course_attendance: attendance)
        end
      else

      end
    end
  end

  def index

  end

  def show

  end

  def update

  end

  def destroy

  end

  private
  def create_params
    params.permit(:name, :mode, :attendance_date, :start_time, :end_time)
  end
end