Module: Arturo::FeatureMethods

Extended by:
ActiveSupport::Concern
Includes:
SpecialHandling
Included in:
Feature
Defined in:
lib/arturo/feature_methods.rb

Constant Summary collapse

SYMBOL_REGEX = 
/^[a-zA-z][a-zA-Z0-9_]*$/
DEFAULT_ATTRIBUTES = 
{ :deployment_percentage => 0 }.with_indifferent_access

Instance Method Summary collapse

Instance Method Details

#enabled_for?(feature_recipient) ⇒ true, false

Returns whether or not this feature is enabled for feature_recipient.

Parameters:

  • feature_recipient (Object) —

    a User, Account, or other model with an #id method

Returns:

  • (true, false) —

    whether or not this feature is enabled for feature_recipient

See Also:

  • SpecialHandling#whitelisted?
  • SpecialHandling#blacklisted?


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# File 'lib/arturo/feature_methods.rb', line 62

def enabled_for?(feature_recipient)
  return false if feature_recipient.nil?
  return false if blacklisted?(feature_recipient)
  return true if  whitelisted?(feature_recipient)
  passes_threshold?(feature_recipient, deployment_percentage || 0)
end

#initialize(*args, &block) ⇒ Object

Create a new Feature



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# File 'lib/arturo/feature_methods.rb', line 51

def initialize(*args, &block)
  args[0] = DEFAULT_ATTRIBUTES.merge(args[0].try(:to_h) || {})
  super(*args, &block)
end

#inspect ⇒ Object 



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# File 'lib/arturo/feature_methods.rb', line 83

def inspect
  "<Arturo::Feature #{name}, deployed to #{deployment_percentage}%>"
end

#name ⇒ Object 



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# File 'lib/arturo/feature_methods.rb', line 69

def name
  return I18n.translate("arturo.feature.nameless") if symbol.blank?

  I18n.translate("arturo.feature.#{symbol}", :default => symbol.to_s.titleize)
end

#passes_threshold?(feature_recipient, threshold) ⇒ Boolean

made public so as to allow for thresholds stored outside of the model

Returns:

  • (Boolean) 


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# File 'lib/arturo/feature_methods.rb', line 88

def passes_threshold?(feature_recipient, threshold)
  return true if threshold == 100
  return false if threshold == 0 || !feature_recipient.id
  (((feature_recipient.id + (self.id || 1) + 17) * 13) % 100) < threshold
end

#to_param ⇒ Object 



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# File 'lib/arturo/feature_methods.rb', line 79

def to_param
  persisted? ? "#{id}-#{symbol.to_s.parameterize}" : nil
end

#to_s ⇒ Object 



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# File 'lib/arturo/feature_methods.rb', line 75

def to_s
  "Feature #{name}"
end