db/migrate/20180509103124_create_unique_nicknames.decidim.rb
# frozen_string_literal: true
# This migration comes from decidim (originally 20171212103803)
class CreateUniqueNicknames < ActiveRecord::Migration[5.1]
class User < ApplicationRecord
include Decidim::Nicknamizable
self.table_name = :decidim_users
end
def up
add_column :decidim_users, :nickname, :string, limit: 20
User.where.not(name: nil).find_each do |user|
user.update!(nickname: User.nicknamize(user.name))
end
add_index :decidim_users,
%w(nickname decidim_organization_id),
where: "(deleted_at IS NULL) AND (managed = 'f')",
name: "index_decidim_users_on_nickame_and_decidim_organization_id",
unique: true
end
def down
remove_index :decidim_users, %w(nickname decidim_organization_id)
remove_column :decidim_users, :nickname
end
end