app/concerns/web_request_concern.rb

@@ -58,7 +58,12 @@ module WebRequestConcern

                   end
              

                 
              

                   def user_agent
              

                -    interpolated['user_agent'].presence ||
              

                +    interpolated['user_agent'].presence || self.class.default_user_agent
              

                +  end
              

                +
              

                +  module ClassMethods
              

                +    def default_user_agent
              

                       ENV.fetch('DEFAULT_HTTP_USER_AGENT', Faraday.new.headers[:user_agent])
              

                +    end
              

                   end
              

                 end
              

app/models/agents/website_agent.rb

@@ -50,7 +50,7 @@ module Agents

                 
              

                       Set `force_encoding` to an encoding name if the website does not return a Content-Type header with a proper charset.
              

                 
              

                -      Set `user_agent` to a custom User-Agent name if the website does not like the default value ("Faraday v#{Faraday::VERSION}").
              

                +      Set `user_agent` to a custom User-Agent name if the website does not like the default value (`#{default_user_agent}`).
              

                 
              

                       The `headers` field is optional.  When present, it should be a hash of headers to send with the request.