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Extract Weight as a value object

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nilbus committed Jul 10, 2015
1 parent 18b143e commit 67b31e9a37074a51fccf51495a333c207ec7d097
Showing with 14 additions and 7 deletions.
  1. +2 −7 app/models/patient.rb
  2. +12 −0 app/models/weight.rb
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@@ -24,13 +24,8 @@ def full_name
end
def weight
if observations.map(&:code_display).include?("Body Weight")
body_weight_observation = [observations.select{|observation| observation.code_display == "Body Weight"}].flatten.sort_by(&:date).last
weight = "#{body_weight_observation.value} #{body_weight_observation.units}"
else
weight = "N/A"
end
weight
body_weight_observation = observations.select { |observation| observation.code_display == "Body Weight"}
Weight.new(body_weight_observation).to_s
end
def birthday
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@@ -0,0 +1,12 @@
class Weight
def initialize(observation)
return unless observation.present?
@weight = observation.value
@unit = observation.units
end
def to_s
return 'N/A' unless @weight.present?
"#{@weight} #{@unit}"
end
end

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