Software Público Brasileiro

require 'noosfero/translatable_content'
require 'builder'

class Event < Article

  attr_accessible :start_date, :end_date, :link, :address

  def self.type_name
    _('Event')
  end

  settings_items :address, :type => :string

  def link=(value)
    self.setting[:link] = maybe_add_http(value)
  end

  def link
    maybe_add_http(self.setting[:link])
  end

  xss_terminate :only => [ :name, :body, :link, :address ], :with => 'white_list', :on => 'validation'

  def initialize(*args)
    super(*args)
    self.start_date ||= Date.today
  end

  validates_presence_of :title, :start_date

  validates_each :start_date do |event,field,value|
    if event.end_date && event.start_date && event.start_date > event.end_date
      event.errors.add(:start_date, _('{fn} cannot come before end date.').fix_i18n)
    end
  end

  scope :by_day, lambda { |date|
    { :conditions => ['start_date = :date AND end_date IS NULL OR (start_date <= :date AND end_date >= :date)', {:date => date}],
      :order => 'start_date ASC'
    }
  }

  scope :next_events_from_month, lambda { |date|
    date_temp = date.strftime("%Y-%m-%d")
    { :conditions => ["start_date >= ?","#{date_temp}"],
      :order => 'start_date ASC'
    }
  }

  scope :by_month, lambda { |date|
    { :conditions => ["EXTRACT(YEAR FROM start_date) = ? AND EXTRACT(MONTH FROM start_date) = ?",date.year,date.month],
      :order => 'start_date ASC'
    }
  }

  include WhiteListFilter
  filter_iframes :body, :link, :address
  def iframe_whitelist
    profile && profile.environment && profile.environment.trusted_sites_for_iframe
  end

  def self.description
    _('A calendar event.')
  end

  def self.short_description
    _('Event')
  end

  def self.icon_name(article = nil)
    'event'
  end

  scope :by_range, lambda { |range| {
    :conditions => [
      'start_date BETWEEN :start_day AND :end_day OR end_date BETWEEN :start_day AND :end_day',
      { :start_day => range.first, :end_day => range.last }
    ]
  }}

  def self.date_range(year, month)
    if year.nil? || month.nil?
      today = Date.today
      year = today.year
      month = today.month
    else
      year = year.to_i
      month = month.to_i
    end

    first_day = Date.new(year, month, 1)
    last_day = first_day + 1.month - 1.day

    first_day..last_day
  end

  def date_range
    start_date..(end_date||start_date)
  end

  # FIXME this shouldn't be needed
  include ActionView::Helpers::TagHelper
  include ActionView::Helpers::UrlHelper
  include DatesHelper

  def to_html(options = {})

    result = ''
    html = ::Builder::XmlMarkup.new(:target => result)

    html.div(:class => 'event-info' ) {
      html.ul(:class => 'event-data' ) {
        html.li(:class => 'event-dates' ) {
          html.span _('When:')
          html.text! show_period(start_date, end_date)
        } if start_date.present? || end_date.present?
        html.li {
          html.span _('URL:')
          html.a(self.link || "", 'href' => self.link || "")
        } if self.link.present?
        html.li {
          html.span _('Address:')
          html.text! self.address || ""
        } if self.address.present?
      }

      # TODO: some good soul, please clean this ugly hack:
      if self.body
        html.div('_____XXXX_DESCRIPTION_GOES_HERE_XXXX_____', :class => 'event-description')
      end
    }

    if self.body
      if options[:format] == 'short'
        result.sub!('_____XXXX_DESCRIPTION_GOES_HERE_XXXX_____', display_short_format(self))
      else
        result.sub!('_____XXXX_DESCRIPTION_GOES_HERE_XXXX_____', self.body)
      end
    end

    result
  end

  def duration
    ((self.end_date || self.start_date) - self.start_date).to_i
  end

  alias_method :article_lead, :lead
  def lead
    self.class.action_view.render 'content_viewer/event_lead', event: self
  end

  def event?
    true
  end

  def tiny_mce?
    true
  end

  def notifiable?
    true
  end

  include Noosfero::TranslatableContent
  include MaybeAddHttp

end