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