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class MigrateUsersNotificationLevel < ActiveRecord::Migration
# Migrates only users which changes theier default notification level :participating
# creating a new record on notification settins table
def up
changed_users = exec_query(%Q{
SELECT id, notification_level
FROM users
WHERE notification_level != 1
})
changed_users.each do |row|
uid = row['id']
u_notification_level = row['notification_level']
execute(%Q{
INSERT INTO notification_settings
(user_id, level, created_at, updated_at)
VALUES
(#{uid}, #{u_notification_level}, now(), now())
})
end
end
end
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