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- #---
- # Excerpted from "Agile Web Development with Rails",
- # published by The Pragmatic Bookshelf.
- # Copyrights apply to this code. It may not be used to create training material,
- # courses, books, articles, and the like. Contact us if you are in doubt.
- # We make no guarantees that this code is fit for any purpose.
- # Visit http://www.pragmaticprogrammer.com/titles/rails4 for more book information.
- #---
- class Picture < ActiveRecord::Base
- validates_format_of :content_type,
- with: /^image/,
- message: "--- you can only upload pictures"
- def uploaded_picture=(picture_field)
- self.name = base_part_of(picture_field.original_filename)
- self.content_type = picture_field.content_type.chomp
- self.data = picture_field.read
- end
- def base_part_of(file_name)
- File.basename(file_name).gsub(/[^\w._-]/, '')
- end
- end
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