require "image_sorcery" module Jobs class GenerateAvatars < Jobs::Base def execute(args) upload = Upload.where(id: args[:upload_id]).first return unless upload.present? external_copy = Discourse.store.download(upload) if Discourse.store.external? original_path = if Discourse.store.external? external_copy.path else Discourse.store.path_for(upload) end # we'll extract the first frame when it's a gif source = original_path source << "[0]" unless SiteSetting.allow_animated_avatars [120, 45, 32, 25, 20].each do |s| # handle retina too [s, s * 2].each do |size| # create a temp file with the same extension as the original temp_file = Tempfile.new(["discourse-avatar", File.extname(original_path)]) temp_path = temp_file.path # create a centered square thumbnail if ImageSorcery.new(source).convert(temp_path, gravity: "center", thumbnail: "#{size}x#{size}^", extent: "#{size}x#{size}", background: "transparent") Discourse.store.store_avatar(temp_file, upload, size) end # close && remove temp file temp_file.close! end end # make sure we remove the cached copy from external stores external_copy.close! if Discourse.store.external? user = User.where(id: upload.user_id).first user.uploaded_avatar_template = Discourse.store.absolute_avatar_template(upload) user.save! end end end