educoder/app/controllers/weapps/courses_controller.rb

class Weapps::CoursesController < Weapps::BaseController
  # before_action :require_wechat_login!
  before_action :teacher_allowed, except: [:create, :show]

  def create
    return render_error("只有老师身份才能创建课堂") unless current_user.is_teacher?
    course = Course.new(tea_id: current_user.id)
    Weapps::CreateCourseService.call(course, course_params)
    render_ok

  rescue ApplicationService::Error => ex
    render_error(ex.message)
  end

  def edit
    @course = current_course
  end

  def update
    Weapps::UpdateCourseService.call(current_course, update_course_params)
    render_ok
  end

  def show
    @course = current_course
    @current_user = current_user
  end

  private

  def course_params
    params.permit(:name, :course_list_name, :credit, course_module_types: [])
  end

  def update_course_params
    params.permit(:name, :course_list_name, :credit)
  end

  def current_course
    @_current_course = Course.find params[:id]
  end

  def teacher_allowed
    return render_forbidden unless current_user.course_identity(current_course) < Course::STUDENT
  end
end