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32 lines
802 B
32 lines
802 B
class AlterBikeWheelToId < ActiveRecord::Migration
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def up
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add_column :bikes, :bike_wheel_size_id, :integer
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undetermined_id = BikeWheelSize.find_by_rdin("0")
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Bike.find_each do |bike|
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wheel_size = BikeWheelSize.find_by_rdin(bike['wheel_size'].to_s)
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if wheel_size.nil?
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wheel_size_id = undetermined_id
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else
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wheel_size_id = wheel_size.id
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end
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bike.update_attribute(:bike_wheel_size_id, wheel_size_id)
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end
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remove_column :bikes, :wheel_size
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end
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def down
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add_column :bikes, :wheel_size, :integer
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Bike.find_each do |bike|
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wheel_size = BikeWheelSize.find_by_id(bike['bike_wheel_size_id'])
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bike.update_attribute(:wheel_size, wheel_size["rdin"].to_i)
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end
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remove_column :bikes, :bike_wheel_size_id
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end
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end
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