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Migrates email user options to a new data structure, where `email_always`, `email_direct` and `email_private_messages` are replace by * `email_messages_level`, with options: `always`, `only_when_away` and `never` (defaults to `always`) * `email_level`, with options: `always`, `only_when_away` and `never` (defaults to `only_when_away`)
30 lines
772 B
Ruby
30 lines
772 B
Ruby
class MigrateEmailUserOptions < ActiveRecord::Migration[5.2]
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def up
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# see UserOption.email_level_types
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# always = 0, only_while_away: 1, never: 2
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add_column :user_options, :email_level, :integer, default: 1, null: false
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add_column :user_options, :email_messages_level, :integer, default: 0, null: false
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execute <<~SQL
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UPDATE user_options
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SET email_level = CASE
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WHEN email_direct AND email_always
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THEN 0
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WHEN email_direct AND email_always IS NOT TRUE
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THEN 1
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ELSE 2
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END,
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email_messages_level = CASE
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WHEN email_private_messages
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THEN 0
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ELSE 2
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END
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SQL
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end
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def down
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# See postmigration: 20190312194528_drop_email_user_options_columns.rb
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end
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end
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