Kevin McConnell
25 lines
634 B
Ruby
25 lines
634 B
Ruby
module User::Avatar
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extend ActiveSupport::Concern
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ALLOWED_AVATAR_CONTENT_TYPES = %w[ image/jpeg image/png image/gif image/webp ].freeze
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included do
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has_one_attached :avatar do |attachable|
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attachable.variant :thumb, resize_to_fill: [ 256, 256 ]
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end
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validate :avatar_content_type_allowed
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end
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def avatar_thumbnail
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avatar.variable? ? avatar.variant(:thumb) : avatar
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end
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private
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def avatar_content_type_allowed
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if avatar.attached? && !ALLOWED_AVATAR_CONTENT_TYPES.include?(avatar.content_type)
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errors.add(:avatar, "must be a JPEG, PNG, GIF, or WebP image")
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end
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end
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end
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