class CreateChatContacts < ActiveRecord::Migration
  def up
    create_table :chat_contacts do |t|
      t.integer :user_id,                  null: false
      ## JID <= 3071 bytes http://tools.ietf.org/html/rfc6122
      t.string :jid,                      null: false
      t.string :name,         limit: 255, null: true
      t.string :ask,          limit: 128, null: true
      t.string :subscription, limit: 128, null: false
    end
    add_index :chat_contacts, [:user_id, :jid], unique: true, :length => {:jid => 190}
  end

  def down
    drop_table :chat_contacts
  end
end