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@ -59,9 +59,11 @@ class MoveUserSettings < ActiveRecord::Migration[6.1] |
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end |
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def up |
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User.find_each do |user| |
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previous_settings = LegacySetting.where(thing_type: 'User', thing_id: user.id).index_by(&:var) |
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User.find_in_batches do |users| |
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previous_settings_for_batch = LegacySetting.where(thing_type: 'User', thing_id: users.map(&:id)).group_by(&:thing_id) |
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users.each do |user| |
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previous_settings = previous_settings_for_batch[user.id]&.index_by(&:var) || {} |
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user_settings = {} |
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MAPPING.each do |legacy_key, new_key| |
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@ -81,6 +83,7 @@ class MoveUserSettings < ActiveRecord::Migration[6.1] |
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user.update_column('settings', Oj.dump(user_settings)) # rubocop:disable Rails/SkipsModelValidations |
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end |
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end |
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end |
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def down; end |
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end |
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