adbanner-test/app/models/ad_image.rb

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require 'uri'
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class AdImage
include Mongoid::Document
include Mongoid::Timestamps
mount_uploader :file, ImageUploader
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
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field :sort_number, :type => Integer
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LINK_OPEN_TYPES = ["local", "new_window"]
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belongs_to :banner
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before_validation :add_http
validates :file, presence: true
validates :out_link, format: { with: URI::regexp(%w(http https)) }, allow_blank: true
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# 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)}
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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)}
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def expired?
self.deadline<Time.now rescue false
end
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protected
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def add_http
unless self.out_link.blank? || self.out_link[/^http:\/\//] || self.out_link[/^https:\/\//]
self.out_link = 'http://' + self.out_link
end
end
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end