Module: MusicBrainz::ClientModules::FailsafeProxy

Included in:
MusicBrainz::Client
Defined in:
lib/musicbrainz/client_modules/failsafe_proxy.rb

Instance Method Summary collapse

Instance Method Details

#failsafe? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 34

def failsafe?
  MusicBrainz.config.tries_limit > 1 && MusicBrainz.config.query_interval.to_f > 0
end

#get_contents(url) ⇒ Object 



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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 4

def get_contents(url)
  return super unless failsafe?

  response = { body: nil, status: 500 }
  MusicBrainz.config.tries_limit.times do
    wait_util_ready!
    response = super
    break if response[:status] == 200
  end

  response
end

#ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 25

def ready?
  time_passed > MusicBrainz.config.query_interval
end

#time_passed ⇒ Object 



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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 17

def time_passed
  Time.now.to_f - @last_query_time ||= 0.0
end

#time_to_wait ⇒ Object 



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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 21

def time_to_wait
  MusicBrainz.config.query_interval - time_passed
end

#wait_util_ready! ⇒ Object 



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# File 'lib/musicbrainz/client_modules/failsafe_proxy.rb', line 29

def wait_util_ready!
  sleep(time_to_wait) unless ready?
  @last_query_time = Time.now.to_f
end