21 lines
728 B
Ruby
21 lines
728 B
Ruby
class Avatar < ActiveRecord::Base
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self.abstract_class = true
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MAX_AVATAR_SIZE = 5.megabyte
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AVATAR_SIZES = { micro: 16, small: 30, medium: 40, big: 81 }
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AVATAR_SIZES_HASH = {}.tap do |styles|
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AVATAR_SIZES.each do |name, size|
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styles[name] = { geometry: "#{size}x#{size}#", format: :jpg,
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convert_options: '-strip -background white -flatten -quality 70' }
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end
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end
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has_attached_file :avatar, styles: AVATAR_SIZES_HASH
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validates_attachment_size :avatar, less_than_or_equal_to: MAX_AVATAR_SIZE
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validates_attachment_content_type :avatar, content_type: /\Aimage/
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validates_attachment_file_name :avatar, matches: [ /(png|jpe?g|gif|bmp|tif?f)\z/i ]
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attr_accessible :avatar
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end
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