Class: AB::Alternative

Inherits:
Object
  • Object
show all
Defined in:
lib/ab/alternative.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(test, name, options = {}, &value_proc) ⇒ Alternative 



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# File 'lib/ab/alternative.rb', line 6

def initialize(test, name, options = {}, &value_proc)
  @test, @name, @options, @value_proc = test, name, options, value_proc
  @test.update_percentage_range(self) if percent
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ab/alternative.rb', line 3

def name
  @name
end

#range ⇒ Object

Returns the value of attribute range.



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# File 'lib/ab/alternative.rb', line 4

def range
  @range
end

Instance Method Details

#conversions ⇒ Object 



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# File 'lib/ab/alternative.rb', line 46

def conversions
  redis.zcard(conversions_key)
end

#conversions_key ⇒ Object 



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# File 'lib/ab/alternative.rb', line 34

def conversions_key
  @conversions_key ||= views_key + ":conversions"
end

#percent ⇒ Object 



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# File 'lib/ab/alternative.rb', line 11

def percent
  @options[:percent]
end

#results ⇒ Object 



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# File 'lib/ab/alternative.rb', line 50

def results
  {
    :name => name,
    :value => value,
    :views => views,
    :conversions => conversions,
    :percent => percent
  }
end

#track_conversion!(identity) ⇒ Object 



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# File 'lib/ab/alternative.rb', line 38

def track_conversion!(identity)
  return if identity.nil?
  return if redis.zscore(conversions_key, identity)
  return unless redis.zscore(views_key, identity)
  score = Time.now.to_i
  redis.zadd(conversions_key, score, identity)
end

#value ⇒ Object 



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# File 'lib/ab/alternative.rb', line 15

def value
  @value ||= @value_proc.call
end

#view!(identity) ⇒ Object 



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# File 'lib/ab/alternative.rb', line 23

def view!(identity)
  return if identity.nil?
  return if redis.zscore(views_key, identity)
  score = Time.now.to_i
  redis.zadd(views_key, score, identity)
end

#views ⇒ Object 



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# File 'lib/ab/alternative.rb', line 30

def views
  redis.zcard(views_key)
end

#views_key ⇒ Object 



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# File 'lib/ab/alternative.rb', line 19

def views_key
  @views_key ||= "ab:#{@test.name}:#{@name}"
end