class CreateInvites < ActiveRecord::Migration[5.2]
def change
create_table :invites do |t|
t.belongs_to :user, foreign_key: { on_delete: :cascade }
t.string :code, null: false, default: ''
t.datetime :expires_at, null: true, default: nil
t.integer :max_uses, null: true, default: nil
t.integer :uses, null: false, default: 0
t.timestamps
end
add_index :invites, :code, unique: true