+
+ private
+
+ # Local avatar support
+ def user_avatar_variant_tag(user, variant_options, options)
+ if user.avatar.variable?
+ variant = user.avatar.variant(variant_options)
+ # https://stackoverflow.com/questions/61893089/get-metadata-of-active-storage-variant/67228171
+ if variant.send(:processed?)
+ metadata = variant.processed.send(:record).image.blob.metadata
+ if metadata["width"]
+ options[:width] = metadata["width"]
+ options[:height] = metadata["height"]
+ end
+ end
+ image_tag variant, options
+ else
+ image_tag user.avatar, options
+ end
+ end
+
+ def user_avatar_variant(user, options)
+ if user.avatar.variable?
+ user.avatar.variant(options)
+ else
+ user.avatar
+ end
+ end
+
+ # Gravatar support
+
+ # See http://en.gravatar.com/site/implement/images/ for details.
+ def user_gravatar_url(user, options = {})
+ size = options[:size] || 100
+ hash = Digest::MD5.hexdigest(user.email.downcase)
+ default_image_url = image_url("avatar_large.png")
+ "#{request.protocol}www.gravatar.com/avatar/#{hash}.jpg?s=#{size}&d=#{u(default_image_url)}"
+ end
+
+ def user_gravatar_tag(user, options = {})
+ url = user_gravatar_url(user, options)
+ options[:height] = options[:width] = options.delete(:size) || 100
+ image_tag url, options
+ end