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# File 'app/controllers/mark_as_read/mark_as_read_controller.rb', line 4
def read
verifier = ActiveSupport::MessageVerifier.new(Rails.application.config.secret_key_base)
type = params[:type].constantize rescue nil
raise UnknownType.new("No such type: #{type}") unless type
raise InvalidType.new("Type #{type} is not a valid model type") unless type.respond_to?(:find)
model = type.find(verifier.verify(params[:id]))
raise InvalidType.new("Type #{type} does not include mark_as_read") unless model.respond_to?(:mark_as_read!)
model.mark_as_read!
send_data(Base64.decode64("R0lGODlhAQABAPAAAAAAAAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=="), :type => "image/gif", :disposition => "inline")
end
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