pupilfirst/pupilfirst

class DeleteCourseAuthorMutator < ApplicationQuery
  include AuthorizeSchoolAdmin

  property :id, validates: { presence: true }

  validate :must_be_author_in_this_school

  def delete_course_author
    course_author.destroy!
  end

  private

  def resource_school
    course_author&.user&.school
  end

  def must_be_author_in_this_school
    return if course_author.present?

    errors.add(:base, 'The ID that was supplied is invalid')
  end

  def course_author
    @course_author ||= CourseAuthor.find_by(id: id)
  end
end