Class: Testimonials::NpsResponse

Inherits:
ApplicationRecord show all
Defined in:
app/models/testimonials/nps_response.rb

Overview

One answer to "How likely are you to recommend us?" (0–10).

Constant Summary collapse

THIN_SAMPLE =

Below this many responses a single answer swings the score by several points, so the dashboard says so instead of implying the number is solid.

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Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.band(nps) ⇒ Object

The industry-standard reading of an NPS number, so the dashboard can say whether a score is good without anyone having to go and google it.



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# File 'app/models/testimonials/nps_response.rb', line 27

def self.band(nps)
  return nil if nps.nil?

  case nps
  when ...0 then :needs_work
  when 0...30 then :good
  when 30...70 then :great
  else :excellent
  end
end

.score(scope = all) ⇒ Object

The classic Net Promoter Score: %promoters − %detractors, −100..100.



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# File 'app/models/testimonials/nps_response.rb', line 16

def self.score(scope = all)
  total = scope.count
  return nil if total.zero?

  promoters = scope.where(score: 9..10).count
  detractors = scope.where(score: 0..6).count
  ((promoters - detractors) * 100.0 / total).round
end

Instance Method Details

#detractor? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/testimonials/nps_response.rb', line 13

def detractor? = score <= 6

#passive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/testimonials/nps_response.rb', line 12

def passive? = score.between?(7, 8)

#promoter? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/testimonials/nps_response.rb', line 11

def promoter? = score >= 9