Class: Beerxml::Fermentable

Inherits:
Model
  • Object
show all
Defined in:
lib/beerxml/fermentable.rb

Instance Method Summary collapse

Methods inherited from Model

beerxml_name, beerxml_plural_name, #beerxml_relationships, collection_from_xml, #each_beerxml_relationship, from_xml, #from_xml, inherited, #read_xml_field, #to_beerxml, #to_xml, xml_attr_name

Instance Method Details

#ppg ⇒ Object 



28
29
30
31
 
# File 'lib/beerxml/fermentable.rb', line 28

def ppg
  # potential is (yield * 0.001 + 1)
  (self.yield * 0.01) * 46.214
end

#ppg=(ppg) ⇒ Object 



24
25
26
 
# File 'lib/beerxml/fermentable.rb', line 24

def ppg=(ppg)
  self.yield = Beerxml.round((ppg / 46.214) / 0.01, 2)
end

#total_color ⇒ Object 



39
40
41
 
# File 'lib/beerxml/fermentable.rb', line 39

def total_color
  amount.in_pounds.to_f * color
end

#total_ppg(efficiency = nil) ⇒ Object 



33
34
35
36
37
 
# File 'lib/beerxml/fermentable.rb', line 33

def total_ppg(efficiency = nil)
  total = ppg * amount.in_pounds.to_f
  total *= (efficiency * 0.01) unless efficiency.nil? || type != 'Grain'
  total
end