Module: Soulheart::Config

Included in:
Soulheart
Defined in:
lib/soulheart/config.rb

Instance Method Summary collapse

Instance Method Details

#base_id ⇒ Object 



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# File 'lib/soulheart/config.rb', line 40

def base_id
  ENV['RACK_ENV'] != 'test' ? 'soulheart:' : 'soulheart_test:'
end

#default_normalizer ⇒ Object 



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# File 'lib/soulheart/config.rb', line 71

def default_normalizer
  '[^\p{Word}\ ]'
end

#default_stop_words ⇒ Object 



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# File 'lib/soulheart/config.rb', line 48

def default_stop_words
  %w(vs at the)
end

#jruby? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/soulheart/config.rb', line 22

def jruby?
  RUBY_ENGINE == 'jruby'
end

#normalizer ⇒ Object 



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# File 'lib/soulheart/config.rb', line 80

def normalizer
  @normalizer ||= redis_normalizer || default_normalizer
end

#normalizer=(str) ⇒ Object 



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# File 'lib/soulheart/config.rb', line 84

def normalizer=(str)
  redis.expire normalizer_id, 0
  @normalizer = str
  redis.set normalizer_id, @normalizer
end

#normalizer_id ⇒ Object 



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# File 'lib/soulheart/config.rb', line 67

def normalizer_id
  "#{base_id}normalizer:"
end

#redis ⇒ Object

Returns the current Redis connection. If none has been created, will create a new one.



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# File 'lib/soulheart/config.rb', line 28

def redis
  @redis ||= (
    url = URI(@redis_url || ENV['REDIS_URL'] || 'redis://127.0.0.1:6379/0')
    ::Redis.new(          # 
      driver: (jruby? ? :ruby : :hiredis),
      host: url.host,
      port: url.port,
      db: url.path[1..-1],
      password: url.password)
  )
end

#redis=(server) ⇒ Object

Accepts:

1. A Redis URL String 'redis://host:port/db'
2. An existing instance of Redis, Redis::Namespace, etc.



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# File 'lib/soulheart/config.rb', line 11

def redis=(server)
  if server.is_a?(String)
    @redis = nil
    @redis_url = server
  else
    @redis = server
  end

  redis
end

#redis_normalizer ⇒ Object 



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# File 'lib/soulheart/config.rb', line 75

def redis_normalizer
  return false unless redis.exists normalizer_id
  redis.get normalizer_id
end

#redis_stop_words ⇒ Object 



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# File 'lib/soulheart/config.rb', line 52

def redis_stop_words
  return false unless redis.exists stop_words_id
  redis.lrange(stop_words_id, 0, -1) 
end

#stop_words ⇒ Object 



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# File 'lib/soulheart/config.rb', line 57

def stop_words
  @stop_words ||= redis_stop_words || default_stop_words
end

#stop_words=(arr) ⇒ Object 



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# File 'lib/soulheart/config.rb', line 61

def stop_words=(arr)
  redis.expire stop_words_id, 0
  @stop_words = Array(arr).flatten
  redis.lpush stop_words_id, @stop_words
end

#stop_words_id ⇒ Object 



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# File 'lib/soulheart/config.rb', line 44

def stop_words_id
  "#{base_id}stop_list:"
end