41 lines
758 B
Ruby
41 lines
758 B
Ruby
class Asset
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include MongoMapper::Document
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include Grip::HasAttachment
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key :filename, String, :required => true
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key :description, String
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has_grid_attachment :data, :required => true
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before_validation :setup_filename
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after_save :save_static_file
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after_destroy :delete_static_file
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def url
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"/assets/#{self.filename}"
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end
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def location
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"#{RAILS_ROOT}/public/assets/#{self.filename}"
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end
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protected
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def setup_filename
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if self.filename.blank? && self.data
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self.filename = self.data.file_name
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end
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end
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def save_static_file
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f = File.new(self.location, "wb")
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f.write(self.data.file.read)
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f.close
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end
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def delete_static_file
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File.delete(self.location) rescue nil
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end
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end |