19 lines
430 B
Ruby
19 lines
430 B
Ruby
# -*- encoding : utf-8 -*-
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class Slide < ActiveRecord::Base
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belongs_to :image_file
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belongs_to :slider
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belongs_to :cible, :polymorphic => true
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accepts_nested_attributes_for :cible
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validates :title, :presence => true
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before_create do
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slides = Slide.where(:slider_id => self.slider_id).order(:position.desc)
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slides[0] ? position = slides[0].position.to_i + 1 : position = 1
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self.position = position
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end
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end
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