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9 lines
268 B
Ruby
9 lines
268 B
Ruby
class Thumbnail < ActiveRecord::Base
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has_attached_file :file, :path => ":class/:attachment/:id/:basename.:extension"
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validates :file, :attachment_presence => true
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validates_attachment_content_type :file, :content_type => /\Aimage\/.*\Z/
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belongs_to :post
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end
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