Noosfero/noosfero

class CommunityTrackPlugin::Step < Folder
  settings_items :hidden, type: :boolean, default: false
  settings_items :tool_type, type: String

  attr_accessible :start_date, :end_date, :tool_type, :hidden

  alias :tools :children

  acts_as_list scope: :parent_id, add_new_at: :bottom

  def belong_to_track
    errors.add(:parent, _("Step not allowed at this parent.")) unless parent.kind_of?(CommunityTrackPlugin::Track)
  end

  validate :belong_to_track
  validates_presence_of :start_date, :end_date
  validate :end_date_equal_or_after_start_date

  after_save :schedule_activation

  before_create do |step|
    step.accept_comments = false
    true
  end

  def initialize(*args)
    super(*args)
    self.start_date ||= DateTime.now
    self.end_date ||= DateTime.now + 1.day
  end

  def end_date_equal_or_after_start_date
    if end_date && start_date
      errors.add(:end_date, _("must be equal or after start date.")) unless end_date >= start_date
    end
  end

  def self.short_description
    _("Step")
  end

  def self.description
    _("Defines a step.")
  end

  def accept_comments?
    accept_comments
  end

  def enabled_tools
    [TextArticle, Forum]
  end

  def to_html(options = {})
    step = self
    proc do
      render file: "content_viewer/step", locals: { step: step }
    end
  end

  def active?
    (start_date..end_date).cover?(DateTime.now)
  end

  def finished?
    DateTime.now > end_date
  end

  def waiting?
    DateTime.now < start_date
  end

  def schedule_activation
    return if !changes["start_date"] && !changes["end_date"]

    if DateTime.now <= end_date || accept_comments
      schedule_date = !accept_comments ? start_date : end_date + 1.day
      CommunityTrackPlugin::ActivationJob.find(id).destroy_all
      Delayed::Job.enqueue(CommunityTrackPlugin::ActivationJob.new(self.id), run_at: schedule_date)
    end
  end

  def toggle_activation
    accept_comments = active?
    # set accept_comments = true on all children
    self.class.toggle_activation(self, accept_comments)
  end

  def self.toggle_activation(article, accept_comments)
    article.update_attribute(:accept_comments, accept_comments)
    article.children.each { |a| toggle_activation(a, accept_comments) }
  end

  def tool_class
    tool_type ? tool_type.constantize : nil
  end

  def tool
    tools.where(type: tool_type).first
  end
end