YaleSTC/shifts

require 'socket'

class ReportItem < ActiveRecord::Base
  belongs_to :report
  delegate :user, to: 'report.shift'
  validates_presence_of :content, :report_id
  before_save :check_for_ip_address_change

  scope :after_time, ->(time){where("time > ?", time) }
  scope :in_location, ->(loc) { joins(report: [:shift]).where(shifts: {location_id: loc.id}) }

  def content_with_formatting
    content.sanitize_and_format
  end


  def check_for_ip_address_change
    #if ip has changed from previous line item, note this
    previous_report_items = self.report.report_items
    hostname = Socket::getaddrinfo(self.ip_address, nil)[0][2]
    hostname = hostname == self.ip_address ? nil : (" (" + hostname + ") ") #Don't include the hostname if it is the same as IP address (usually this is returned if no hostname is available)
    self.content += " [IP Address changed to #{self.ip_address}#{hostname}]" if ( !previous_report_items.empty? and previous_report_items.last.ip_address != self.ip_address)
  end
end