31 lines
882 B
Ruby
31 lines
882 B
Ruby
# frozen_string_literal: true
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module Avatarable
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extend ActiveSupport::Concern
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include Rails.application.routes.url_helpers
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included do
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has_one_attached :avatar
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validate :acceptable_avatar, if: -> { avatar.changed? }
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end
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def avatar_url
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return url_for(avatar.representation(resize: '250x250')) if avatar.attached? && avatar.representable?
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if [SuperAdmin, User, Contact].include?(self.class) && email.present?
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hash = Digest::MD5.hexdigest(email)
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return "https://www.gravatar.com/avatar/#{hash}?d=404"
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end
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''
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end
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def acceptable_avatar
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return unless avatar.attached?
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errors.add(:avatar, 'is too big') if avatar.byte_size > 15.megabytes
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acceptable_types = ['image/jpeg', 'image/png', 'image/gif'].freeze
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errors.add(:avatar, 'filetype not supported') unless acceptable_types.include?(avatar.content_type)
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end
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end
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