Noosfero/noosfero

class EventPlugin::EventBlock < Block
  attr_accessible :all_env_events, :limit, :future_only, :date_distance_limit, :display_as_calendar

  settings_items :all_env_events, type: :boolean, default: false
  settings_items :limit, type: :integer, default: 4
  settings_items :future_only, type: :boolean, default: true
  settings_items :date_distance_limit, type: :integer, default: 0
  settings_items :display_as_calendar, type: :boolean, default: false

  def self.description
    _("Events")
  end

  def help
    _("Show the profile events or all environment events.")
  end

  def events_source
    return environment if all_env_events

    if self.owner.kind_of? Environment
      environment.portal_community ? environment.portal_community : environment
    else
      self.owner
    end
  end

  def events(user = nil)
    events = events_source.events.order("start_date")
    events = events.accessible_to(user)

    if future_only
      events = events.where("start_date >= ?", DateTime.now.beginning_of_day)
    end

    if date_distance_limit > 0
      events = events.by_range([
                                 DateTime.now.beginning_of_day - date_distance_limit,
                                 DateTime.now.beginning_of_day + date_distance_limit
                               ])
    end

    event_list = []
    events.each do |event|
      event_list << event if event.display_to? user
      break if event_list.length >= limit
    end

    event_list
  end

  def self.expire_on
    { profile: [:article], environment: [:article] }
  end

  def api_content(params = {})
    content = []
    events.each do |event|
      content << { title: event.title, id: event.id, date: event.start_date.to_i * 1000, view_url: event.view_url }
    end
    { events: content }
  end
end