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class ChangeUsersMailNotificationToString < ActiveRecord::Migration[4.2]
def self.up
rename_column :users, :mail_notification, :mail_notification_bool
add_column :users, :mail_notification, :string, :default => '', :null => false
User.where("mail_notification_bool = #{connection.quoted_true}").
update_all("mail_notification = 'all'")
User.where("EXISTS (SELECT 1 FROM #{Member.table_name} WHERE #{Member.table_name}.mail_notification = #{connection.quoted_true} AND #{Member.table_name}.user_id = #{User.table_name}.id)").
update_all("mail_notification = 'selected'")
User.where("mail_notification NOT IN ('all', 'selected')").
update_all("mail_notification = 'only_my_events'")
remove_column :users, :mail_notification_bool
end
def self.down
rename_column :users, :mail_notification, :mail_notification_char
add_column :users, :mail_notification, :boolean, :default => true, :null => false
User.where("mail_notification_char <> 'all'").
update_all("mail_notification = #{connection.quoted_false}")
remove_column :users, :mail_notification_char
end
end
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