Krystosterone/rubik

# frozen_string_literal: true
 
Mass assignment is not restricted using attr_accessible
class Schedule < ApplicationRecord
  belongs_to :agenda
 
  serialize :course_groups, CourseGroupsSerializer
 
  def starts_at
    @starts_at ||= weekdays.reject(&:empty?).min_by(&:starts_at).starts_at
  end
 
  def ends_at
    @ends_at ||= weekdays.reject(&:empty?).max_by(&:ends_at).ends_at
  end
 
  def duration
    (ends_at.hour - starts_at.hour) * 60
  end
 
  def weekdays
    @weekdays ||= (0..6).collect do |index|
      periods = weekday_courses[index] + weekday_leaves[index]
      ScheduleWeekday.new(index: index, periods: periods)
    end
  end
 
  private
 
  def weekday_courses
    @weekday_courses ||= ScheduleCourseBuilder.new(course_groups).call
  end
 
  def weekday_leaves
    @weekday_leaves ||= ScheduleLeaveBuilder.new(agenda.leaves).call
  end
end