require 'uri' class AdImage include Mongoid::Document include Mongoid::Timestamps mount_uploader :file, ImageUploader mount_uploader :video_file, BannerUploader mount_uploader :video_file_webm, BannerUploader field :auto_convert_video, type: Boolean, default: false field :title, type: String, localize: true field :context, type: String, localize: true field :weight, type: Integer, default: 1 field :out_link, type: String field :link_open, type: String field :postdate , :type => DateTime, :default => Time.now field :deadline , :type => DateTime field :youtube , :type => String field :sort_number, :type => Integer field :language_enabled, :type => Array, :default => ["en","zh_tw"] field :exchange_item, :default => "1" LINK_OPEN_TYPES = ["local", "new_window"] belongs_to :banner before_validation :add_http # validates :file, presence: true validates :out_link, format: { with: URI::regexp(%w(http https)) }, allow_blank: true # validates :title, presence: true scope :can_display, ->{self.and(AdImage.or({:postdate.lte=>Time.now},{:postdate=>nil}).selector,AdImage.or({:deadline.gte=>Time.now},{:deadline=>nil}).selector)} scope :is_expired, ->{self.and(AdImage.or({:deadline.lte=>Time.now}).selector)} scope :not_expired, ->{self.and(AdImage.or({:deadline.gte=>Time.now},{:deadline=>nil}).selector)} after_save do if (self.video_file_changed? || self.auto_convert_video_changed?) && self.auto_convert_video Thread.new do self.generate_webm end end end def generate_webm video_path = self.video_file.path rescue nil if !video_path.blank? video_webm = video_path.split('.')[0...-1].join('.')+".webm" core_num = [`cat /proc/cpuinfo | grep processor | wc -l`.to_i/2,1].max flag = system("tmp/ffmpeg/ffmpeg -i #{video_path} -c:v libvpx-vp9 -crf 35 -b:v 0 -b:a 96k -c:a libopus -filter:v fps=20 #{video_webm} -cpu-used #{core_num}") if flag self.video_file_webm = File.open(video_webm) self.save else puts "generate webm failed" end end end def expired? self.deadline