18 lines
456 B
Ruby
18 lines
456 B
Ruby
class PraiseTreadCache < ActiveRecord::Base
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attr_accessible :object_id,:object_type,:praise_num,:tread_num
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belongs_to :object, :polymorphic => true
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def plus(flag,num)
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case flag
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when 0
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self.update_attribute(:tread_num, self.tread_num.to_i + num)
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when 1
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self.update_attribute(:praise_num, self.praise_num.to_i + num)
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end
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end
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def minus(num)
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self.update_attribute(:praise_num, self.praise_num.to_i - num)
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end
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end
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