Class: AutomobileActivityYearType

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
lib/earth/automobile/automobile_activity_year_type.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.find_by_type_name_and_closest_year(type_name, year) ⇒ Object

Used by Automobile and AutomobileTrip



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# File 'lib/earth/automobile/automobile_activity_year_type.rb', line 5

def self.find_by_type_name_and_closest_year(type_name, year)
  if year > maximum(:activity_year)
    where(:type_name => type_name, :activity_year => maximum(:activity_year)).first
  else
    where(:type_name => type_name, :activity_year => [year, minimum(:activity_year)].max).first
  end
end

Instance Method Details

#activity_year_type_fuels ⇒ Object

for calculating hfc ef



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# File 'lib/earth/automobile/automobile_activity_year_type.rb', line 14

def activity_year_type_fuels
  AutomobileActivityYearTypeFuel.where(:activity_year => activity_year, :type_name => type_name)
end