Class: Nutriscore::FR::NegativeScore

Inherits:
Common::Score show all
Defined in:
lib/nutriscore/fr/negative_score.rb

Instance Attribute Summary

Attributes inherited from Common::Score

#nutrients

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Common::Score

#initialize, #inspect, #score

Constructor Details

This class inherits a constructor from Nutriscore::Common::Score

Class Method Details

.nutrient_keys ⇒ Object 



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# File 'lib/nutriscore/fr/negative_score.rb', line 7

def self.nutrient_keys
  [:energy, :fat_saturated, :sugar, :sodium]
end

Instance Method Details

#energy ⇒ Object 



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# File 'lib/nutriscore/fr/negative_score.rb', line 11

def energy
  score_value(@nutrients.energy, 0..10) do |v|
    if    v > 3350 then 10
    elsif v > 3015 then  9
    elsif v > 2680 then  8
    elsif v > 2345 then  7
    elsif v > 2010 then  6
    elsif v > 1675 then  5
    elsif v > 1340 then  4
    elsif v > 1005 then  3
    elsif v >  670 then  2
    elsif v >  335 then  1
    else                 0
    end
  end
end

#fat_saturated ⇒ Object 



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# File 'lib/nutriscore/fr/negative_score.rb', line 28

def fat_saturated
  score_value(@nutrients.fat_saturated, 0..10) do |v|
    if    v > 10 then 10
    elsif v >  9 then  9
    elsif v >  8 then  8
    elsif v >  7 then  7
    elsif v >  6 then  6
    elsif v >  5 then  5
    elsif v >  4 then  4
    elsif v >  3 then  3
    elsif v >  2 then  2
    elsif v >  1 then  1
    else               0
    end
  end
end

#sodium ⇒ Object 



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# File 'lib/nutriscore/fr/negative_score.rb', line 62

def sodium
  score_value(@nutrients.sodium, 0..10) do |v|
    v *= 1000 if v # comparison is in mg/100g
    if    v > 900 then 10
    elsif v > 810 then  9
    elsif v > 720 then  8
    elsif v > 630 then  7
    elsif v > 540 then  6
    elsif v > 450 then  5
    elsif v > 360 then  4
    elsif v > 270 then  3
    elsif v > 180 then  2
    elsif v >  90 then  1
    else                0
    end
  end
end

#sugar ⇒ Object 



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# File 'lib/nutriscore/fr/negative_score.rb', line 45

def sugar
  score_value(@nutrients.sugar, 0..10) do |v|
    if    v > 45   then 10
    elsif v > 40   then  9
    elsif v > 36   then  8
    elsif v > 31   then  7
    elsif v > 27   then  6
    elsif v > 22.5 then  5
    elsif v > 18   then  4
    elsif v > 13.5 then  3
    elsif v >  9   then  2
    elsif v >  4.5 then  1
    else                 0
    end
  end
end