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Aart van Halteren
2013-08-07 22:55:01 +02:00
parent 894932b726
commit 6fd8b79e1c
1 changed files with 5 additions and 5 deletions
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10
app/models/reading.rb
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@@ -34,11 +34,11 @@ class Reading < ActiveRecord::Base
# calculate difference with another reading # calculate difference with another reading
# return a hash with differences (self - reading) # return a hash with differences (self - reading)
def diff(reading) def diff(reading)
{ :total_kwh_consumed_high => self.total_kwh_consumed_high - reading.total_kwh_consumed_high, { :total_kwh_consumed_high => (self.total_kwh_consumed_high - reading.total_kwh_consumed_high).round(1),
:total_kwh_consumed_low => self.total_kwh_consumed_low - reading.total_kwh_consumed_low, :total_kwh_consumed_low => (self.total_kwh_consumed_low - reading.total_kwh_consumed_low).round(1),
:total_kwh_produced_high => self.total_kwh_produced_high - reading.total_kwh_produced_high, :total_kwh_produced_high => (self.total_kwh_produced_high - reading.total_kwh_produced_high).round(1),
:total_kwh_produced_low => self.total_kwh_produced_low - reading.total_kwh_produced_low, :total_kwh_produced_low => (self.total_kwh_produced_low - reading.total_kwh_produced_low).round(1),
:total_m3_gas_consumed => self.total_m3_gas_consumed - reading.total_m3_gas_consumed } :total_m3_gas_consumed => (self.total_m3_gas_consumed - reading.total_m3_gas_consumed).round(3) }
end end
# #