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29 lines
1.0 KiB
29 lines
1.0 KiB
# Existing players predate step tracking, so the funnel would start empty.
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# Their `progress` still says which stages they answered -- good enough to
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# reconstruct roughly how far they got. Players with no progress at all are
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# left alone: there is nothing to infer from.
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class BackfillPlayerFurthestStep < ActiveRecord::Migration[8.1]
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def up
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Player.where(furthest_step: nil).find_each do |player|
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stages = player.progress.keys.grep(/\A\d+\z/).map(&:to_i)
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next if stages.empty? && !player.progress.key?(Player::LAST_SAVE_KEY)
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# is_done is set on the final screen, not the results screen, so stop
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# there rather than claiming they saw the results.
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step =
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if player.is_done?
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"done"
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elsif player.progress.key?(Player::LAST_SAVE_KEY)
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"last_save"
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else
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"stage_#{stages.max}_result"
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end
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player.update_column(:furthest_step, step)
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end
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end
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def down
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# No-op: the reconstructed values are indistinguishable from live ones.
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end
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end
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