foodsoft/config/initializers/extensions.rb

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# extend the BigDecimal class
class String
# remove comma from decimal inputs
def self.delocalized_decimal(string)
if !string.blank? and string.is_a?(String)
BigDecimal.new(string.sub(',', '.'))
else
string
end
end
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end
class Array
def cumulative_sum
csum = 0
self.map { |val| csum += val }
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end
end